diff --git a/README.md b/README.md
index b99a182b..5c8db2e0 100644
--- a/README.md
+++ b/README.md
@@ -47,7 +47,7 @@
 
 0. 100% Kotlin [![awesome-kotlin](https://kotlin.link/awesome-kotlin.svg)](https://kotlin.link)
 1. Jetpack Compose
-2. MVI/Repository Pattern (MVI framework: [Orbit](https://github.com/orbit-mvi/orbit-mvi))
+2. MVVM+MVI/Repository Pattern (MVI framework: [Orbit](https://github.com/orbit-mvi/orbit-mvi))
 3. Coroutines, Flow
 4. Retrofit, OkHttp
 5. Dagger2 - Hilt
diff --git a/build.gradle.kts b/build.gradle.kts
index 16627355..f0611a25 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -17,9 +17,9 @@ buildscript {
     }
 
     dependencies {
-        classpath("com.chaquo.python:gradle:${Versions.Essential.Python}")
+        classpath("com.chaquo.python:gradle:${Versions.Bot.Python}")
         classpath("com.android.tools.build:gradle:${Versions.Essential.Gradle}")
-        classpath("com.google.dagger:hilt-android-gradle-plugin:${Versions.Hilt.Master}")
+        classpath("com.google.dagger:hilt-android-gradle-plugin:${Versions.Jetpack.Hilt}")
         classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:${Versions.Essential.Kotlin}")
         classpath("com.google.android.gms:oss-licenses-plugin:${Versions.OssLicense.Classpath}")
     }
@@ -39,8 +39,8 @@ allprojects {
         tasks.withType<KotlinCompile> {
             kotlinOptions {
                 freeCompilerArgs = freeCompilerArgs + listOf(
-                    "-Xopt-in=kotlin.RequiresOptIn",
-                    "-Xopt-in=kotlin.OptIn"
+                    "-Xopt-in=kotlin.OptIn",
+                    "-Xopt-in=kotlin.RequiresOptIn"
                 )
             }
         }
diff --git a/buildSrc/src/main/kotlin/Dependencies.kt b/buildSrc/src/main/kotlin/Dependencies.kt
index 6169254d..05996ab1 100644
--- a/buildSrc/src/main/kotlin/Dependencies.kt
+++ b/buildSrc/src/main/kotlin/Dependencies.kt
@@ -11,8 +11,8 @@ import org.gradle.api.JavaVersion
 
 object Application {
     const val minSdk = 24
-    const val targetSdk = 30
-    const val compileSdk = 30
+    const val targetSdk = 31
+    const val compileSdk = 31
     const val jvmTarget = "11"
     const val versionCode = 1
     const val versionName = "please_die_fucking_covid"
@@ -22,15 +22,17 @@ object Application {
 }
 
 object Versions {
+    const val Orbit = "4.2.0"
+
     object Essential {
-        const val Python = "9.1.0"
-        const val Kotlin = "1.5.21"
+        const val Kotlin = "1.5.31"
         const val CoreKtx = "1.6.0"
         const val Coroutines = "1.5.1"
-        const val Gradle = "7.1.0-alpha05"
+        const val Gradle = "7.1.0-beta02"
     }
 
     object Bot {
+        const val Python = "9.1.0"
         const val Rhino = "1.7.13"
         const val J2V8 = "6.2.1@aar"
     }
@@ -38,48 +40,39 @@ object Versions {
     object Ui {
         const val Browser = "1.3.0"
         const val Material = "1.4.0"
-        const val TimeLineView = "1.0.2"
-        const val LottieCompose = "4.1.0"
-        const val FancyBottomBar = "1.0.1"
-        const val LandscapistCoil = "1.3.6"
-        const val ConstraintLayout = "1.0.0-beta01"
     }
 
     object Util {
-        const val Pluto = "1.0.7"
-        const val Timber = "5.0.1"
+        const val Pluto = "1.1.1"
+        const val Erratum = "1.0.1"
+        const val Logeukes = "1.0.0"
+        const val Jackson = "2.13.0"
         const val LeakCanary = "2.7"
         const val KeyboardObserver = "1.0.1"
-        const val ViewColorGenerator = "v0.1"
         const val CheckDependencyUpdates = "1.5.0"
     }
 
     object Network {
-        const val Jsoup = "1.14.2"
-        const val OkHttp = "4.9.1"
+        const val Jsoup = "1.14.3"
+        const val OkHttp = "4.9.2"
         const val Retrofit = "2.9.0"
     }
 
     object Jetpack {
         const val Room = "2.3.0"
-    }
-
-    object Jackson {
-        const val Master = "2.12.5"
-    }
-
-    object Hilt {
-        const val Master = "2.38.1"
+        const val Hilt = "2.40"
     }
 
     object Compose {
-        const val Master = "1.0.2"
-        const val Activity = "1.3.1"
-    }
-
-    object Lifecycle {
-        const val Master = "2.3.1"
-        const val Compose = "1.0.0-alpha07"
+        const val Lottie = "4.2.0"
+        const val Master = "1.0.5"
+        const val Activity = "1.4.0"
+        const val Lifecycle = "2.4.0"
+        const val TimeLineView = "1.0.2"
+        const val FancyBottomBar = "1.0.1"
+        const val LandscapistCoil = "1.4.1"
+        const val Navigation = "2.4.0-alpha09"
+        const val ConstraintLayout = "1.0.0-beta01"
     }
 
     object OssLicense {
@@ -89,83 +82,76 @@ object Versions {
 }
 
 object Dependencies {
-    const val jsoup = "org.jsoup:jsoup:${Versions.Network.Jsoup}"
-
+    const val Jsoup = "org.jsoup:jsoup:${Versions.Network.Jsoup}"
+    const val Orbit = "org.orbit-mvi:orbit-viewmodel:${Versions.Orbit}"
     const val browser = "androidx.browser:browser:${Versions.Ui.Browser}"
     const val LandscapistCoil =
-        "com.github.skydoves:landscapist-coil:${Versions.Ui.LandscapistCoil}"
+        "com.github.skydoves:landscapist-coil:${Versions.Compose.LandscapistCoil}"
 
-    const val hilt = "com.google.dagger:hilt-android:${Versions.Hilt.Master}"
-    const val hiltCompiler = "com.google.dagger:hilt-android-compiler:${Versions.Hilt.Master}"
+    const val Hilt = "com.google.dagger:hilt-android:${Versions.Jetpack.Hilt}"
+    const val HiltCompiler = "com.google.dagger:hilt-android-compiler:${Versions.Jetpack.Hilt}"
 
-    const val roomCompiler = "androidx.room:room-compiler:${Versions.Jetpack.Room}"
+    const val RoomCompiler = "androidx.room:room-compiler:${Versions.Jetpack.Room}"
 
-    const val livedata =
-        "androidx.lifecycle:lifecycle-livedata-core-ktx:${Versions.Lifecycle.Master}"
-
-    const val jacksonModule =
-        "com.fasterxml.jackson.module:jackson-module-kotlin:${Versions.Jackson.Master}"
+    val Essential = listOf(
+        "androidx.core:core-ktx:${Versions.Essential.CoreKtx}",
+        "org.jetbrains.kotlinx:kotlinx-coroutines-core:${Versions.Essential.Coroutines}"
+    )
 
-    val bot = listOf(
+    val Bot = listOf(
         "org.mozilla:rhino:${Versions.Bot.Rhino}",
         "com.eclipsesource.j2v8:j2v8:${Versions.Bot.J2V8}"
     )
 
-    val debug = listOf(
-        "com.mocklets:pluto:${Versions.Util.Pluto}",
-        "com.squareup.leakcanary:leakcanary-android:${Versions.Util.LeakCanary}"
+    val Ui = listOf(
+        "com.google.android.material:material:${Versions.Ui.Material}",
+        "com.google.android.gms:play-services-oss-licenses:${Versions.OssLicense.Master}"
     )
 
-    val release = listOf("com.mocklets:pluto-no-op:${Versions.Util.Pluto}")
-
-    val jackson = listOf(
-        "com.fasterxml.jackson.core:jackson-core:${Versions.Jackson.Master}",
-        "com.fasterxml.jackson.core:jackson-databind:${Versions.Jackson.Master}",
-        "com.fasterxml.jackson.core:jackson-annotations:${Versions.Jackson.Master}"
+    val Jackson = listOf(
+        "com.fasterxml.jackson.core:jackson-core:${Versions.Util.Jackson}",
+        "com.fasterxml.jackson.core:jackson-databind:${Versions.Util.Jackson}",
+        "com.fasterxml.jackson.core:jackson-annotations:${Versions.Util.Jackson}",
+        "com.fasterxml.jackson.module:jackson-module-kotlin:${Versions.Util.Jackson}"
     )
 
-    val retrofit = listOf(
+    val Retrofit = listOf(
         "com.squareup.okhttp3:okhttp:${Versions.Network.OkHttp}",
         "com.squareup.retrofit2:retrofit:${Versions.Network.Retrofit}"
     )
 
-    val retrofitutil = listOf(
+    val RetrofitUtil = listOf(
         "com.squareup.okhttp3:logging-interceptor:${Versions.Network.OkHttp}",
         "com.squareup.retrofit2:converter-jackson:${Versions.Network.Retrofit}"
     )
 
-    val essential = listOf(
-        "androidx.core:core-ktx:${Versions.Essential.CoreKtx}",
-        "org.jetbrains.kotlinx:kotlinx-coroutines-core:${Versions.Essential.Coroutines}"
+    val Util = listOf(
+        "io.github.jisungbin:erratum:${Versions.Util.Erratum}",
+        "io.github.jisungbin:logeukes:${Versions.Util.Logeukes}",
+        "io.github.ParkSangGwon:tedkeyboardobserver:${Versions.Util.KeyboardObserver}"
     )
 
-    val ui = listOf(
-        "io.github.jisungbin:timelineview:${Versions.Ui.TimeLineView}",
-        "com.google.android.material:material:${Versions.Ui.Material}",
-        "com.airbnb.android:lottie-compose:${Versions.Ui.LottieCompose}",
-        "io.github.jisungbin:fancybottombar:${Versions.Ui.FancyBottomBar}",
-        "com.google.android.gms:play-services-oss-licenses:${Versions.OssLicense.Master}",
-        "androidx.constraintlayout:constraintlayout-compose:${Versions.Ui.ConstraintLayout}"
-    )
-
-    val util = listOf(
-        "com.jakewharton.timber:timber:${Versions.Util.Timber}",
-        "io.github.ParkSangGwon:tedkeyboardobserver:${Versions.Util.KeyboardObserver}",
-        "com.github.MindorksOpenSource:ViewColorGenerator:${Versions.Util.ViewColorGenerator}"
-    )
-
-    val room = listOf(
+    val Room = listOf(
         "androidx.room:room-ktx:${Versions.Jetpack.Room}",
         "androidx.room:room-runtime:${Versions.Jetpack.Room}"
     )
 
-    val compose = listOf(
+    val Compose = listOf(
         "androidx.compose.ui:ui:${Versions.Compose.Master}",
         "androidx.compose.ui:ui-tooling:${Versions.Compose.Master}",
+        "com.airbnb.android:lottie-compose:${Versions.Compose.Lottie}",
         "androidx.compose.compiler:compiler:${Versions.Compose.Master}",
         "androidx.compose.material:material:${Versions.Compose.Master}",
         "androidx.activity:activity-compose:${Versions.Compose.Activity}",
-        "androidx.compose.runtime:runtime-livedata:${Versions.Compose.Master}",
-        "androidx.lifecycle:lifecycle-viewmodel-compose:${Versions.Lifecycle.Compose}"
+        "io.github.jisungbin:timelineview:${Versions.Compose.TimeLineView}",
+        "io.github.jisungbin:fancybottombar:${Versions.Compose.FancyBottomBar}",
+        "androidx.navigation:navigation-compose:${Versions.Compose.Navigation}",
+        "androidx.lifecycle:lifecycle-viewmodel-compose:${Versions.Compose.Lifecycle}",
+        "androidx.constraintlayout:constraintlayout-compose:${Versions.Compose.ConstraintLayout}"
+    )
+
+    val Debug = listOf(
+        "com.mocklets:pluto:${Versions.Util.Pluto}",
+        "com.squareup.leakcanary:leakcanary-android:${Versions.Util.LeakCanary}"
     )
 }
diff --git a/common/build.gradle.kts b/common/build.gradle.kts
index 210fc27b..9a0a17a1 100644
--- a/common/build.gradle.kts
+++ b/common/build.gradle.kts
@@ -38,11 +38,9 @@ android {
 }
 
 dependencies {
-    implementation(Dependencies.jsoup)
+    implementation(Dependencies.Jsoup)
     implementation(Dependencies.browser)
-    implementation(Dependencies.livedata)
-    implementation(Dependencies.jacksonModule)
 
-    Dependencies.essential.forEach(::api)
-    Dependencies.jackson.forEach(::implementation)
+    Dependencies.Essential.forEach(::api)
+    Dependencies.Jackson.forEach(::implementation)
 }
diff --git a/common/src/main/AndroidManifest.xml b/common/src/main/AndroidManifest.xml
index fd0b5041..f104f333 100644
--- a/common/src/main/AndroidManifest.xml
+++ b/common/src/main/AndroidManifest.xml
@@ -1,4 +1,4 @@
-<!--
+<?xml version="1.0" encoding="utf-8"?><!--
   ~ GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
   ~ GitMessengerBot license is under the GPL-3.0.
   ~
@@ -7,6 +7,4 @@
   ~ Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
   -->
 
-<manifest package="io.github.jisungbin.gitmessengerbot.util">
-
-</manifest>
\ No newline at end of file
+<manifest package="io.github.jisungbin.gitmessengerbot.util" />
\ No newline at end of file
diff --git a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/config/Config.kt b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/constant/BotConstant.kt
similarity index 81%
rename from common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/config/Config.kt
rename to common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/constant/BotConstant.kt
index c1cda8c0..b26402ff 100644
--- a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/config/Config.kt
+++ b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/constant/BotConstant.kt
@@ -7,8 +7,8 @@
  * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
  */
 
-package io.github.jisungbin.gitmessengerbot.common.config
+package io.github.jisungbin.gitmessengerbot.common.constant
 
-object Config {
+object BotConstant {
     const val KakaoTalkDefaultPackageName = "com.kakao.talk"
 }
diff --git a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/config/EditorConfig.kt b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/constant/EditorConstant.kt
similarity index 83%
rename from common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/config/EditorConfig.kt
rename to common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/constant/EditorConstant.kt
index e3bfeb84..2572125b 100644
--- a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/config/EditorConfig.kt
+++ b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/constant/EditorConstant.kt
@@ -7,9 +7,9 @@
  * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
  */
 
-package io.github.jisungbin.gitmessengerbot.common.config
+package io.github.jisungbin.gitmessengerbot.common.constant
 
-object EditorConfig {
+object EditorConstant {
     const val HorizontalScroll = true
     const val FontName = "" // TODO
     const val FontSize = 13
diff --git a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/config/GithubConfig.kt b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/constant/GithubConstant.kt
similarity index 79%
rename from common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/config/GithubConfig.kt
rename to common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/constant/GithubConstant.kt
index 1f3f3f38..977a534f 100644
--- a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/config/GithubConfig.kt
+++ b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/constant/GithubConstant.kt
@@ -7,13 +7,13 @@
  * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
  */
 
-package io.github.jisungbin.gitmessengerbot.common.config
+package io.github.jisungbin.gitmessengerbot.common.constant
 
-object GithubConfig {
+object GithubConstant {
     const val BaseUrl = "https://github.com"
     const val BaseApiUrl = "https://api.github.com"
 
-    const val DataPath = "${PathConfig.AppStorage}/github-data.json"
+    const val DataPath = "${PathConstant.AppStorage}/github-data.json"
 
     const val DefaultBranch = "main"
     const val DefaultRepoDescription = "Created by GitMessengerBot"
diff --git a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/config/IntentConfig.kt b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/constant/IntentConstant.kt
similarity index 88%
rename from common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/config/IntentConfig.kt
rename to common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/constant/IntentConstant.kt
index cab75324..681ffc87 100644
--- a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/config/IntentConfig.kt
+++ b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/constant/IntentConstant.kt
@@ -7,9 +7,9 @@
  * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
  */
 
-package io.github.jisungbin.gitmessengerbot.common.config
+package io.github.jisungbin.gitmessengerbot.common.constant
 
-object IntentConfig {
+object IntentConstant {
     const val ScriptId = "intent-script-id"
     const val DebugScriptId = "intent-debug-script-id"
 
diff --git a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/config/PathConfig.kt b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/constant/PathConstant.kt
similarity index 83%
rename from common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/config/PathConfig.kt
rename to common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/constant/PathConstant.kt
index 0e207932..565b1a58 100644
--- a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/config/PathConfig.kt
+++ b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/constant/PathConstant.kt
@@ -7,9 +7,9 @@
  * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
  */
 
-package io.github.jisungbin.gitmessengerbot.common.config
+package io.github.jisungbin.gitmessengerbot.common.constant
 
-object PathConfig {
+object PathConstant {
     internal const val AppStorage = "GitMessengerBot/data"
     const val AppData = "$AppStorage/app.json"
 }
diff --git a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/config/ScriptConfig.kt b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/constant/ScriptConstant.kt
similarity index 59%
rename from common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/config/ScriptConfig.kt
rename to common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/constant/ScriptConstant.kt
index 797f8bc9..e40c2717 100644
--- a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/config/ScriptConfig.kt
+++ b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/constant/ScriptConstant.kt
@@ -7,28 +7,28 @@
  * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
  */
 
-package io.github.jisungbin.gitmessengerbot.common.config
+package io.github.jisungbin.gitmessengerbot.common.constant
 
 import io.github.jisungbin.gitmessengerbot.common.script.getScriptSuffix
 import io.github.jisungbin.gitmessengerbot.common.script.toScriptLangName
 import kotlin.random.Random
 
 @Suppress("FunctionName")
-object ScriptConfig {
+object ScriptConstant {
     const val DebugAllBot = -1
     const val EvalId = -2
 
     const val DefaultResponseFunctionName = "onMessage"
-    const val DebugAllPath = "${PathConfig.AppStorage}/debug"
+    const val DebugAllPath = "${PathConstant.AppStorage}/debug"
 
     fun DebugDataPath(scriptId: Int) =
-        "${PathConfig.AppStorage}/debug/$scriptId/${Random.nextInt()}.json"
+        "${PathConstant.AppStorage}/debug/$scriptId/${Random.nextInt()}.json"
 
     fun ScriptPath(name: String, lang: Int) =
-        "${PathConfig.AppStorage}/scripts/${lang.toScriptLangName()}/$name.${lang.getScriptSuffix()}"
+        "${PathConstant.AppStorage}/scripts/${lang.toScriptLangName()}/$name.${lang.getScriptSuffix()}"
 
-    fun ScriptListPath(lang: Int) = "${PathConfig.AppStorage}/scripts/${lang.toScriptLangName()}"
+    fun ScriptListPath(lang: Int) = "${PathConstant.AppStorage}/scripts/${lang.toScriptLangName()}"
 
     fun ScriptDataPath(name: String, lang: Int) =
-        "${PathConfig.AppStorage}/scripts/${lang.toScriptLangName()}/$name-data.json"
+        "${PathConstant.AppStorage}/scripts/${lang.toScriptLangName()}/$name-data.json"
 }
diff --git a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/exception/ExceptionBuilder.kt b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/exception/ExceptionBuilder.kt
index f73b49ea..916047f6 100644
--- a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/exception/ExceptionBuilder.kt
+++ b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/exception/ExceptionBuilder.kt
@@ -9,6 +9,8 @@
 
 package io.github.jisungbin.gitmessengerbot.common.exception
 
+class TodoException(where: String) : Exception("$where 은 아직 개발되지 않은 기능입니다.")
+
 class CoreException(override val message: String?) : Exception()
 
 class DataGithubException(override val message: String?) : Exception()
diff --git a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/LiveData.kt b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/LiveData.kt
deleted file mode 100644
index 6e175c58..00000000
--- a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/LiveData.kt
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
- * GitMessengerBot license is under the GPL-3.0.
- *
- * [LiveData.kt] created by Ji Sungbin on 21. 8. 30. 오후 5:06
- *
- * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
- */
-
-package io.github.jisungbin.gitmessengerbot.common.extension
-
-import androidx.lifecycle.MutableLiveData
-
-fun <T> MutableLiveData<List<T>>.clear() {
-    value = emptyList()
-}
-
-fun <T> MutableLiveData<List<T>>.removeAll(predicate: (T) -> Boolean) {
-    val value = this.value?.toMutableList() ?: return
-    value.removeAll(predicate)
-    notifyDataSetChanged(value)
-}
-
-fun <T> MutableLiveData<List<T>>.removeIf(predicate: (T) -> Boolean) {
-    val value = this.value?.toMutableList() ?: return
-    value.removeIf(predicate)
-    notifyDataSetChanged(value)
-}
-
-@PublishedApi
-internal fun <T> MutableLiveData<List<T>>.notifyDataSetChanged(value: List<T>) {
-    this.value = value
-}
-
-inline fun <T> MutableLiveData<List<T>>.edit(action: MutableList<T>.() -> Unit) {
-    val items = value?.toMutableList() ?: return
-    action(items)
-    notifyDataSetChanged(items)
-}
diff --git a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/Result.kt b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/Result.kt
new file mode 100644
index 00000000..2298c738
--- /dev/null
+++ b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/Result.kt
@@ -0,0 +1,21 @@
+/*
+ * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
+ * GitMessengerBot license is under the GPL-3.0.
+ *
+ * [Result.kt] created by Ji Sungbin on 21. 11. 7. 오후 8:33
+ *
+ * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
+ */
+
+package io.github.jisungbin.gitmessengerbot.common.extension
+
+inline fun <T> Result<T>.doWhen(
+    onSuccess: (result: T) -> Unit,
+    onFailure: (throwable: Throwable) -> Unit
+) {
+    if (isSuccess) {
+        onSuccess(getOrNull()!!)
+    } else {
+        onFailure(exceptionOrNull()!!)
+    }
+}
diff --git a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/StateFlow.kt b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/StateFlow.kt
new file mode 100644
index 00000000..f5628d71
--- /dev/null
+++ b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/StateFlow.kt
@@ -0,0 +1,39 @@
+/*
+ * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
+ * GitMessengerBot license is under the GPL-3.0.
+ *
+ * [StateFlow.kt] created by Ji Sungbin on 21. 8. 30. 오후 5:06
+ *
+ * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
+ */
+
+package io.github.jisungbin.gitmessengerbot.common.extension
+
+import kotlinx.coroutines.flow.MutableStateFlow
+
+fun <T> MutableStateFlow<List<T>>.clear() {
+    value = emptyList()
+}
+
+fun <T> MutableStateFlow<List<T>>.removeAll(predicate: (T) -> Boolean) {
+    val value = this.value.toMutableList()
+    value.removeAll(predicate)
+    notifyDataSetChanged(value)
+}
+
+fun <T> MutableStateFlow<List<T>>.removeIf(predicate: (T) -> Boolean) {
+    val value = this.value.toMutableList()
+    value.removeIf(predicate)
+    notifyDataSetChanged(value)
+}
+
+@PublishedApi
+internal fun <T> MutableStateFlow<List<T>>.notifyDataSetChanged(value: List<T>) {
+    this.value = value
+}
+
+inline fun <T> MutableStateFlow<List<T>>.edit(action: MutableList<T>.() -> Unit) {
+    val items = value.toMutableList()
+    action(items)
+    notifyDataSetChanged(items)
+}
diff --git a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/Activity.kt b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/Throwable.kt
similarity index 55%
rename from common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/Activity.kt
rename to common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/Throwable.kt
index 8db40e2f..e3947d7e 100644
--- a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/Activity.kt
+++ b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/Throwable.kt
@@ -2,16 +2,11 @@
  * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
  * GitMessengerBot license is under the GPL-3.0.
  *
- * [Activity.kt] created by Ji Sungbin on 21. 8. 30. 오후 5:05
+ * [Throwable.kt] created by Ji Sungbin on 21. 11. 7. 오후 11:49
  *
  * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
  */
 
 package io.github.jisungbin.gitmessengerbot.common.extension
 
-import android.app.Activity
-import android.widget.Toast
-
-fun Activity.toast(message: String, length: Int = Toast.LENGTH_SHORT) {
-    toast(this, message, length)
-}
+fun Throwable.toException() = Exception(this)
diff --git a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/Unit.kt b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/Unit.kt
index 21835b77..c2ce2dae 100644
--- a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/Unit.kt
+++ b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/Unit.kt
@@ -9,9 +9,9 @@
 
 package io.github.jisungbin.gitmessengerbot.common.extension
 
-import android.os.Handler
-import android.os.Looper
+import kotlinx.coroutines.delay
 
-inline fun doDelay(ms: Long, crossinline action: () -> Unit) {
-    Handler(Looper.getMainLooper()).postDelayed({ action() }, ms)
+suspend fun doDelay(ms: Long, block: () -> Unit) {
+    delay(ms)
+    block()
 }
diff --git a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/json.kt b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/json.kt
index ea1547a8..c55a205d 100644
--- a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/json.kt
+++ b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/json.kt
@@ -21,7 +21,7 @@ internal val mapper by lazy {
 }
 
 inline fun <reified T> String.toModel(): T = mapper.readValue(this, T::class.java)
-    ?: throw CommonException("Error occur when convert string to json-object. ($this)")
+    ?: throw CommonException("문자열을 json 모델로 바꾸는데 오류가 발생했어요.\n\n($this)")
 
 fun Any.toJsonString() = mapper.writeValueAsString(this)
-    ?: throw CommonException("Error occur when convert json-object to string. ($this)")
+    ?: throw CommonException("json 모델을 문자열로 바꾸는데 오류가 발생했어요.\n\n($this)")
diff --git a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/runif.kt b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/runIf.kt
similarity index 86%
rename from common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/runif.kt
rename to common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/runIf.kt
index 6e0067d3..11f8e8be 100644
--- a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/runif.kt
+++ b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/runIf.kt
@@ -2,7 +2,7 @@
  * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
  * GitMessengerBot license is under the GPL-3.0.
  *
- * [runif.kt] created by Ji Sungbin on 21. 8. 30. 오후 5:06
+ * [runIf.kt] created by Ji Sungbin on 21. 8. 30. 오후 5:06
  *
  * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
  */
diff --git a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/UI.kt b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/toast.kt
similarity index 69%
rename from common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/UI.kt
rename to common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/toast.kt
index 72ec4e75..f9b2b888 100644
--- a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/UI.kt
+++ b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/extension/toast.kt
@@ -2,7 +2,7 @@
  * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
  * GitMessengerBot license is under the GPL-3.0.
  *
- * [UI.kt] created by Ji Sungbin on 21. 8. 30. 오후 5:06
+ * [toast.kt] created by Ji Sungbin on 21. 8. 30. 오후 5:06
  *
  * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
  */
@@ -13,9 +13,9 @@ import android.app.Activity
 import android.content.Context
 import android.widget.Toast
 
-fun toast(activity: Activity, message: String, length: Int = Toast.LENGTH_SHORT) {
-    activity.runOnUiThread {
-        Toast.makeText(activity, message, length).show()
+fun Activity.toast(message: String, length: Int = Toast.LENGTH_SHORT) {
+    runOnUiThread {
+        toast(this, message, length)
     }
 }
 
diff --git a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/operator/LiveData.kt b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/operator/LiveData.kt
deleted file mode 100644
index 0727ee94..00000000
--- a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/operator/LiveData.kt
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
- * GitMessengerBot license is under the GPL-3.0.
- *
- * [LiveData.kt] created by Ji Sungbin on 21. 8. 30. 오후 5:06
- *
- * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
- */
-
-package io.github.jisungbin.gitmessengerbot.common.operator
-
-import androidx.lifecycle.MutableLiveData
-
-operator fun <T> MutableLiveData<List<T>>.plusAssign(item: T) {
-    val value = this.value ?: emptyList()
-    this.value = value + listOf(item)
-}
-
-operator fun <T> MutableLiveData<List<T>>.minusAssign(item: T) {
-    val value = this.value ?: emptyList()
-    this.value = value - listOf(item)
-}
diff --git a/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/operator/StateFlow.kt b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/operator/StateFlow.kt
new file mode 100644
index 00000000..046bfc1b
--- /dev/null
+++ b/common/src/main/kotlin/io/github/jisungbin/gitmessengerbot/common/operator/StateFlow.kt
@@ -0,0 +1,20 @@
+/*
+ * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
+ * GitMessengerBot license is under the GPL-3.0.
+ *
+ * [StateFlow.kt] created by Ji Sungbin on 21. 8. 30. 오후 5:06
+ *
+ * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
+ */
+
+package io.github.jisungbin.gitmessengerbot.common.operator
+
+import kotlinx.coroutines.flow.MutableStateFlow
+
+operator fun <T> MutableStateFlow<List<T>>.plusAssign(item: T) {
+    this.value = this.value + listOf(item)
+}
+
+operator fun <T> MutableStateFlow<List<T>>.minusAssign(item: T) {
+    this.value = this.value - listOf(item)
+}
diff --git a/common/src/main/res/values/strings.xml b/common/src/main/res/values/strings.xml
index a466b3be..738d557d 100644
--- a/common/src/main/res/values/strings.xml
+++ b/common/src/main/res/values/strings.xml
@@ -1,4 +1,4 @@
-<!--
+<?xml version="1.0" encoding="utf-8"?><!--
   ~ GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
   ~ GitMessengerBot license is under the GPL-3.0.
   ~
diff --git a/core/build.gradle.kts b/core/build.gradle.kts
index 708a4e17..6316de54 100644
--- a/core/build.gradle.kts
+++ b/core/build.gradle.kts
@@ -44,11 +44,10 @@ android {
 }
 
 dependencies {
-    implementation(Dependencies.jsoup)
-    implementation(Dependencies.livedata)
+    implementation(Dependencies.Jsoup)
 
     implementation(project(":common"))
 
-    Dependencies.bot.forEach(::implementation)
-    Dependencies.jackson.forEach(::implementation)
+    Dependencies.Bot.forEach(::implementation)
+    Dependencies.Jackson.forEach(::implementation)
 }
diff --git a/core/src/main/AndroidManifest.xml b/core/src/main/AndroidManifest.xml
index 5a3a7d7e..3255696b 100644
--- a/core/src/main/AndroidManifest.xml
+++ b/core/src/main/AndroidManifest.xml
@@ -1,4 +1,4 @@
-<!--
+<?xml version="1.0" encoding="utf-8"?><!--
   ~ GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
   ~ GitMessengerBot license is under the GPL-3.0.
   ~
@@ -7,6 +7,4 @@
   ~ Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
   -->
 
-<manifest package="io.github.sungbin.gitmessengerbot.core">
-
-</manifest>
\ No newline at end of file
+<manifest package="io.github.sungbin.gitmessengerbot.core" />
\ No newline at end of file
diff --git a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/CoreResult.kt b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/CoreResult.kt
deleted file mode 100644
index 1d5b54b5..00000000
--- a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/CoreResult.kt
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
- * GitMessengerBot license is under the GPL-3.0.
- *
- * [CoreResult.kt] created by Ji Sungbin on 21. 8. 28. 오후 11:18
- *
- * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
- */
-
-package io.github.sungbin.gitmessengerbot.core
-
-sealed class CoreResult<out T> {
-    data class Success<out T>(val response: T) : CoreResult<T>()
-    data class Fail(val exception: Exception) : CoreResult<Nothing>()
-}
-
-suspend fun <T> CoreResult<T>.doWhen(
-    onSuccess: suspend (T) -> Unit,
-    onFail: suspend (Exception) -> Unit,
-) {
-    when (this) {
-        is CoreResult.Success -> onSuccess(response)
-        is CoreResult.Fail -> onFail(exception)
-    }
-}
diff --git a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/Bot.kt b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/Bot.kt
index 2ffa82c2..1f55e300 100644
--- a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/Bot.kt
+++ b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/Bot.kt
@@ -15,9 +15,7 @@ import android.os.Bundle
 import android.util.Log
 import androidx.core.app.NotificationCompat
 import androidx.core.app.RemoteInput
-import androidx.lifecycle.LiveData
-import androidx.lifecycle.MutableLiveData
-import io.github.jisungbin.gitmessengerbot.common.config.ScriptConfig
+import io.github.jisungbin.gitmessengerbot.common.constant.ScriptConstant
 import io.github.jisungbin.gitmessengerbot.common.core.Storage
 import io.github.jisungbin.gitmessengerbot.common.exception.CoreException
 import io.github.jisungbin.gitmessengerbot.common.extension.edit
@@ -29,48 +27,52 @@ import io.github.sungbin.gitmessengerbot.core.Injection
 import io.github.sungbin.gitmessengerbot.core.bot.debug.DebugStore
 import io.github.sungbin.gitmessengerbot.core.bot.debug.createDebugItem
 import io.github.sungbin.gitmessengerbot.core.bot.script.ScriptItem
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asStateFlow
 
-@Suppress("FunctionName")
 object Sender {
     const val Bot = "Bot"
+
+    @Suppress("FunctionName")
     fun User(name: String = "User") = name
 }
 
 object Bot {
-    private val _scripts = MutableLiveData(getList())
-    private val scriptPowers: HashMap<Int, MutableLiveData<Boolean>> = hashMapOf()
-    private val compileStates: HashMap<Int, MutableLiveData<Boolean>> = hashMapOf()
+    private val _scripts = MutableStateFlow(getList())
+    private val scriptPowers: HashMap<Int, MutableStateFlow<Boolean>> = hashMapOf()
+    private val compileStates: HashMap<Int, MutableStateFlow<Boolean>> = hashMapOf()
     private val scriptCompiler = Injection.Compiler.provide
 
-    val scripts get(): LiveData<List<ScriptItem>> = _scripts
+    val scripts = _scripts.asStateFlow()
 
-    fun compileScript(context: Context, script: ScriptItem) =
+    suspend fun compileScript(context: Context, script: ScriptItem) =
         scriptCompiler.process(context, script)
 
-    fun getAllScripts() = scripts.value ?: emptyList()
+    fun getAllScripts() = scripts.value
 
-    fun getCompiledScripts() = _scripts.value?.filter { it.compiled } ?: emptyList()
+    fun getCompiledScripts() = _scripts.value.filter { it.compiled }
 
-    fun getRunnableScripts() = _scripts.value?.filter { it.isRunnable } ?: emptyList()
+    fun getRunnableScripts() = _scripts.value.filter { it.isRunnable }
 
-    fun getScriptPower(script: ScriptItem): LiveData<Boolean> =
-        scriptPowers[script.id]
-            ?: throw CoreException("There is no ${script.id} key in scriptPowers.")
+    fun getScriptPower(script: ScriptItem) = scriptPowers[script.id]?.asStateFlow()
+        ?: throw CoreException("scriptPowers에 ${script.id} 키가 없어요.")
 
-    fun getCompileState(script: ScriptItem): LiveData<Boolean> =
-        scriptPowers[script.id]
-            ?: throw CoreException("There is no ${script.id} key in compileStates.")
+    fun getCompileState(script: ScriptItem) = compileStates[script.id]?.asStateFlow()
+        ?: throw CoreException("compileStates에 ${script.id} 키가 없어요.")
 
     fun scriptDataSave(script: ScriptItem) {
         _scripts.edit {
             removeIf { it.id == script.id }
             add(script)
         }
-        Storage.write(ScriptConfig.ScriptDataPath(script.name, script.lang), script.toJsonString())
+        Storage.write(
+            ScriptConstant.ScriptDataPath(script.name, script.lang),
+            script.toJsonString()
+        )
     }
 
     fun scriptCodeSave(script: ScriptItem, code: String) {
-        Storage.write(ScriptConfig.ScriptPath(script.name, script.lang), code)
+        Storage.write(ScriptConstant.ScriptPath(script.name, script.lang), code)
     }
 
     fun addScript(script: ScriptItem) {
@@ -88,7 +90,7 @@ object Bot {
             val sendIntent = Intent()
             val messageBundle = Bundle()
             val remoteInputs =
-                session.remoteInputs ?: throw CoreException("remoteInputs cannot be null.")
+                session.remoteInputs ?: throw CoreException("remoteInputs가 null 이에요.")
             for (inputable in remoteInputs) {
                 messageBundle.putCharSequence(inputable.resultKey, message)
             }
@@ -114,14 +116,14 @@ object Bot {
                 return
             }
             v8.locker.acquire()
-            if (script.id == ScriptConfig.EvalId) {
+            if (script.id == ScriptConstant.EvalId) {
                 val result = v8.executeScript(message).toString()
-                DebugStore.add(createDebugItem(ScriptConfig.EvalId, result, "null", Sender.Bot))
+                DebugStore.add(createDebugItem(ScriptConstant.EvalId, result, "null", Sender.Bot))
             } else {
                 val arguments =
                     listOf(room, message, sender, isGroupChat, "null", isDebugMode)
                 v8.executeJSFunction(
-                    ScriptConfig.DefaultResponseFunctionName,
+                    ScriptConstant.DefaultResponseFunctionName,
                     *arguments.toTypedArray()
                 )
             }
@@ -135,10 +137,11 @@ object Bot {
     private fun getList(): List<ScriptItem> {
         val scripts = mutableListOf<ScriptItem>()
         repeat(4) { lang -> // 스크립트 코드파일이 아니라, 스크립트 정보 파일을 읽어와야함
-            Storage.fileList(ScriptConfig.ScriptListPath(lang)).filter { it.path.endsWith(".json") }
+            Storage.fileList(ScriptConstant.ScriptListPath(lang))
+                .filter { it.path.endsWith(".json") }
                 .forEach { scriptDataFile ->
                     val scriptData = Storage.read(scriptDataFile.path, null)
-                        ?: throw CoreException("$scriptDataFile file is null.")
+                        ?: throw CoreException("$scriptDataFile 파일이 null 이에요.")
                     val script: ScriptItem = scriptData.toModel()
                     if (script.compiled) {
                         if (StackManager.v8[script.id] == null) {
diff --git a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/api/BotApi.kt b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/api/BotApi.kt
index ab84ee0e..5d0a266b 100644
--- a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/api/BotApi.kt
+++ b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/api/BotApi.kt
@@ -22,7 +22,7 @@ internal class BotApi(private val context: Context, private val scriptId: Int) {
     private val showAll = "\u200b".repeat(500)
 
     private fun getReplySession(room: String) = StackManager.sessions[room]
-        ?: throw CoreException("There is no $scriptId key in StackManager.sessions.")
+        ?: throw CoreException("StackManager.sessions에 $scriptId 키가 없어요.")
 
     fun reply(room: String, message: String, isDebugMode: Boolean) {
         if (!isDebugMode) {
diff --git a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/api/UI.kt b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/api/UI.kt
index 84898eab..d74cdacb 100644
--- a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/api/UI.kt
+++ b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/api/UI.kt
@@ -2,7 +2,7 @@
  * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
  * GitMessengerBot license is under the GPL-3.0.
  *
- * [UI.kt] created by Ji Sungbin on 21. 7. 10. 오전 11:35.
+ * [toast.kt] created by Ji Sungbin on 21. 7. 10. 오전 11:35.
  *
  * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
  */
@@ -11,7 +11,7 @@ package io.github.sungbin.gitmessengerbot.core.bot.api
 
 import android.content.Context
 
-// TODO: activity 메모리 누수 해결
+// TODO: context 메모리 누수 해결
 internal class UI(private val context: Context) { // TODO
     fun toast(message: String) {
         io.github.jisungbin.gitmessengerbot.common.extension.toast(context, message)
diff --git a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/debug/DebugStore.kt b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/debug/DebugStore.kt
index 89ee3efa..5b9f043e 100644
--- a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/debug/DebugStore.kt
+++ b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/debug/DebugStore.kt
@@ -9,9 +9,7 @@
 
 package io.github.sungbin.gitmessengerbot.core.bot.debug
 
-import androidx.lifecycle.LiveData
-import androidx.lifecycle.MutableLiveData
-import io.github.jisungbin.gitmessengerbot.common.config.ScriptConfig
+import io.github.jisungbin.gitmessengerbot.common.constant.ScriptConstant
 import io.github.jisungbin.gitmessengerbot.common.core.Storage
 import io.github.jisungbin.gitmessengerbot.common.exception.CoreException
 import io.github.jisungbin.gitmessengerbot.common.extension.clear
@@ -19,47 +17,46 @@ import io.github.jisungbin.gitmessengerbot.common.extension.removeAll
 import io.github.jisungbin.gitmessengerbot.common.extension.toJsonString
 import io.github.jisungbin.gitmessengerbot.common.extension.toModel
 import io.github.jisungbin.gitmessengerbot.common.operator.plusAssign
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asStateFlow
 
-@Suppress("ObjectPropertyName")
 object DebugStore {
-    private val _items = MutableLiveData(getList())
+    private val _items = MutableStateFlow(getList())
+    val items = _items.asStateFlow()
 
-    val items: LiveData<List<DebugItem>> get() = _items
-    val itemsValue get(): List<DebugItem> = items.value ?: emptyList()
-
-    fun getByScriptId(id: Int) = itemsValue.filter { id == id }
+    fun getByScriptId(id: Int) = items.value.filter { id == id }
 
     fun add(item: DebugItem) {
         _items += item
-        Storage.write(ScriptConfig.DebugDataPath(item.scriptId), item.toJsonString())
+        Storage.write(ScriptConstant.DebugDataPath(item.scriptId), item.toJsonString())
     }
 
     fun removeAll() {
         _items.clear()
-        Storage.deleteAll(ScriptConfig.DebugAllPath)
+        Storage.deleteAll(ScriptConstant.DebugAllPath)
     }
 
     fun removeAll(scriptId: Int) {
-        if (scriptId == ScriptConfig.DebugAllBot) {
-            _items.removeAll { it.scriptId != ScriptConfig.EvalId }
-            Storage.fileList(ScriptConfig.DebugAllPath).forEach { debugFolder ->
-                if (debugFolder.path != ScriptConfig.DebugDataPath(ScriptConfig.EvalId)) {
+        if (scriptId == ScriptConstant.DebugAllBot) {
+            _items.removeAll { it.scriptId != ScriptConstant.EvalId }
+            Storage.fileList(ScriptConstant.DebugAllPath).forEach { debugFolder ->
+                if (debugFolder.path != ScriptConstant.DebugDataPath(ScriptConstant.EvalId)) {
                     debugFolder.deleteRecursively()
                 }
             }
         } else {
             _items.removeAll { it.scriptId == scriptId }
-            Storage.deleteAll(ScriptConfig.DebugDataPath(scriptId))
+            Storage.deleteAll(ScriptConstant.DebugDataPath(scriptId))
         }
     }
 
     private fun getList(): List<DebugItem> {
         val debugs = mutableListOf<DebugItem>()
-        Storage.fileList(ScriptConfig.DebugAllPath).forEach { debugFolder ->
+        Storage.fileList(ScriptConstant.DebugAllPath).forEach { debugFolder ->
             Storage.fileList(debugFolder.path).forEach { debugFile ->
                 debugs.add(
                     Storage.read(debugFile.path, null)?.toModel()
-                        ?: throw CoreException("$debugFile file is null.")
+                        ?: throw CoreException("$debugFile 파일이 없어요.")
                 )
             }
         }
diff --git a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/script/ScriptItem.kt b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/script/ScriptItem.kt
index 75b15bb6..25500024 100644
--- a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/script/ScriptItem.kt
+++ b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/script/ScriptItem.kt
@@ -9,7 +9,7 @@
 
 package io.github.sungbin.gitmessengerbot.core.bot.script
 
-import io.github.jisungbin.gitmessengerbot.common.config.ScriptConfig
+import io.github.jisungbin.gitmessengerbot.common.constant.ScriptConstant
 import io.github.jisungbin.gitmessengerbot.common.core.Storage
 import io.github.jisungbin.gitmessengerbot.common.exception.CoreException
 import io.github.jisungbin.gitmessengerbot.common.extension.toJsonString
@@ -30,16 +30,16 @@ data class ScriptItem(
     private val defaultCode = lang.getScriptDefaultCode()
 
     fun add() {
-        Storage.write(ScriptConfig.ScriptPath(name, lang), defaultCode)
-        Storage.write(ScriptConfig.ScriptDataPath(name, lang), toJsonString())
+        Storage.write(ScriptConstant.ScriptPath(name, lang), defaultCode)
+        Storage.write(ScriptConstant.ScriptDataPath(name, lang), toJsonString())
     }
 
     fun delete() {
-        Storage.delete(ScriptConfig.ScriptPath(name, lang))
-        Storage.delete(ScriptConfig.ScriptDataPath(name, lang))
+        Storage.delete(ScriptConstant.ScriptPath(name, lang))
+        Storage.delete(ScriptConstant.ScriptDataPath(name, lang))
     }
 
-    fun getCode() = Storage.read(ScriptConfig.ScriptPath(name, lang), defaultCode)
+    fun getCode() = Storage.read(ScriptConstant.ScriptPath(name, lang), defaultCode)
         ?: throw CoreException("The script's code cannot be null. (ScriptId: $id)")
 }
 
diff --git a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/script/compiler/repo/ScriptCompiler.kt b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/script/compiler/repo/ScriptCompiler.kt
index de062ca0..967835e8 100644
--- a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/script/compiler/repo/ScriptCompiler.kt
+++ b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/script/compiler/repo/ScriptCompiler.kt
@@ -10,10 +10,8 @@
 package io.github.sungbin.gitmessengerbot.core.bot.script.compiler.repo
 
 import android.content.Context
-import io.github.sungbin.gitmessengerbot.core.CoreResult
 import io.github.sungbin.gitmessengerbot.core.bot.script.ScriptItem
-import kotlinx.coroutines.flow.Flow
 
 internal interface ScriptCompiler {
-    fun process(context: Context, script: ScriptItem): Flow<CoreResult<Unit>>
+    suspend fun process(context: Context, script: ScriptItem): Result<Unit>
 }
diff --git a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/script/compiler/repo/ScriptCompilerImpl.kt b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/script/compiler/repo/ScriptCompilerImpl.kt
index a5cc4793..3db86044 100644
--- a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/script/compiler/repo/ScriptCompilerImpl.kt
+++ b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/script/compiler/repo/ScriptCompilerImpl.kt
@@ -12,10 +12,10 @@ package io.github.sungbin.gitmessengerbot.core.bot.script.compiler.repo
 import android.content.Context
 import com.eclipsesource.v8.V8
 import com.eclipsesource.v8.V8Object
-import io.github.jisungbin.gitmessengerbot.common.config.ScriptConfig
-import io.github.jisungbin.gitmessengerbot.common.exception.CoreException
+import io.github.jisungbin.gitmessengerbot.common.constant.ScriptConstant
+import io.github.jisungbin.gitmessengerbot.common.exception.TodoException
+import io.github.jisungbin.gitmessengerbot.common.extension.doWhen
 import io.github.jisungbin.gitmessengerbot.common.script.ScriptLang
-import io.github.sungbin.gitmessengerbot.core.CoreResult
 import io.github.sungbin.gitmessengerbot.core.bot.Bot
 import io.github.sungbin.gitmessengerbot.core.bot.StackManager
 import io.github.sungbin.gitmessengerbot.core.bot.api.BotApi
@@ -23,13 +23,10 @@ import io.github.sungbin.gitmessengerbot.core.bot.api.Log
 import io.github.sungbin.gitmessengerbot.core.bot.api.UI
 import io.github.sungbin.gitmessengerbot.core.bot.script.ScriptItem
 import io.github.sungbin.gitmessengerbot.core.bot.script.ts2js.repo.Ts2JsRepo
-import kotlinx.coroutines.ExperimentalCoroutinesApi
-import kotlinx.coroutines.channels.awaitClose
-import kotlinx.coroutines.flow.callbackFlow
-import kotlinx.coroutines.flow.collect
+import kotlin.coroutines.resume
+import kotlin.coroutines.suspendCoroutine
 
 internal class ScriptCompilerImpl(private val ts2Js: Ts2JsRepo) : ScriptCompiler {
-
     private fun compileJavaScript(
         context: Context,
         script: ScriptItem,
@@ -103,11 +100,11 @@ internal class ScriptCompilerImpl(private val ts2Js: Ts2JsRepo) : ScriptCompiler
         StackManager.v8[script.id] = v8
         script.compiled = true
         v8.locker.release()
-        CoreResult.Success(Unit)
+        Result.success(Unit)
     } catch (exception: Exception) {
         script.power = false
         script.compiled = false
-        CoreResult.Fail(exception)
+        Result.failure(exception)
     }
 
     @Suppress("DEPRECATION")
@@ -132,42 +129,40 @@ internal class ScriptCompilerImpl(private val ts2Js: Ts2JsRepo) : ScriptCompiler
         api.release()
     }
 
-    @OptIn(ExperimentalCoroutinesApi::class)
-    override fun process(context: Context, script: ScriptItem) = callbackFlow {
-        when (script.lang) {
-            ScriptLang.TypeScript -> {
-                ts2Js
-                    .convert(script.getCode())
-                    .collect { ts2JsResult ->
-                        when (ts2JsResult) {
-                            is CoreResult.Success -> {
-                                val jsCode = ts2JsResult.response.jsCode
+    override suspend fun process(context: Context, script: ScriptItem): Result<Unit> =
+        suspendCoroutine { continuation ->
+            when (script.lang) {
+                ScriptLang.TypeScript -> suspend {
+                    ts2Js
+                        .convert(script.getCode())
+                        .doWhen(
+                            onSuccess = { ts2JsResult ->
+                                val jsCode = ts2JsResult.jsCode
                                 android.util.Log.i("ts2JsResult", jsCode)
-                                trySend(compileJavaScript(context, script, jsCode))
-                            }
-                            is CoreResult.Fail -> {
+                                continuation.resume(
+                                    compileJavaScript(context, script, jsCode)
+                                )
+                            },
+                            onFailure = { exception ->
                                 script.power = false
                                 script.compiled = false
-                                trySend(CoreResult.Fail(ts2JsResult.exception))
+                                continuation.resume(Result.failure(exception))
                             }
-                        }
-                    }
-            }
-            ScriptLang.JavaScript -> {
-                trySend(compileJavaScript(context, script, script.getCode()))
-            }
-            ScriptLang.Python -> { // todo
-                trySend(CoreResult.Fail(CoreException("Python build is TODO.")))
-            }
-            ScriptLang.Simple -> { // todo
-                trySend(CoreResult.Fail(CoreException("SimpleLang build is TODO.")))
+                        )
+                }
+                ScriptLang.JavaScript -> {
+                    continuation.resume(compileJavaScript(context, script, script.getCode()))
+                }
+                ScriptLang.Python -> { // todo
+                    continuation.resume(Result.failure(TodoException("파이썬 언어")))
+                }
+                ScriptLang.Simple -> { // todo
+                    continuation.resume(Result.failure(TodoException("단자응 언어")))
+                }
             }
-        }
 
-        if (script.id != ScriptConfig.EvalId) {
-            Bot.scriptDataSave(script)
+            if (script.id != ScriptConstant.EvalId) {
+                Bot.scriptDataSave(script)
+            }
         }
-
-        awaitClose { close() }
-    }
 }
diff --git a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/script/ts2js/repo/Ts2JsRepo.kt b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/script/ts2js/repo/Ts2JsRepo.kt
index b567d62a..29d884bd 100644
--- a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/script/ts2js/repo/Ts2JsRepo.kt
+++ b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/script/ts2js/repo/Ts2JsRepo.kt
@@ -9,10 +9,8 @@
 
 package io.github.sungbin.gitmessengerbot.core.bot.script.ts2js.repo
 
-import io.github.sungbin.gitmessengerbot.core.CoreResult
 import io.github.sungbin.gitmessengerbot.core.bot.script.ts2js.Ts2JsResponse
-import kotlinx.coroutines.flow.Flow
 
 internal interface Ts2JsRepo {
-    fun convert(js: String): Flow<CoreResult<Ts2JsResponse>>
+    suspend fun convert(js: String): Result<Ts2JsResponse>
 }
diff --git a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/script/ts2js/repo/Ts2JsRepoImpl.kt b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/script/ts2js/repo/Ts2JsRepoImpl.kt
index e73bb90b..00603cb7 100644
--- a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/script/ts2js/repo/Ts2JsRepoImpl.kt
+++ b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/bot/script/ts2js/repo/Ts2JsRepoImpl.kt
@@ -11,25 +11,21 @@ package io.github.sungbin.gitmessengerbot.core.bot.script.ts2js.repo
 
 import io.github.jisungbin.gitmessengerbot.common.extension.ioThread
 import io.github.jisungbin.gitmessengerbot.common.extension.toModel
-import io.github.sungbin.gitmessengerbot.core.CoreResult
 import io.github.sungbin.gitmessengerbot.core.bot.script.ts2js.Ts2JsResponse
-import kotlinx.coroutines.ExperimentalCoroutinesApi
-import kotlinx.coroutines.channels.awaitClose
-import kotlinx.coroutines.flow.callbackFlow
+import kotlin.coroutines.resume
+import kotlin.coroutines.suspendCoroutine
 import org.jsoup.Connection
 
 internal class Ts2JsRepoImpl(private val jsoup: Connection) : Ts2JsRepo {
-    @OptIn(ExperimentalCoroutinesApi::class)
-    override fun convert(js: String) = callbackFlow {
-        try {
-            ioThread {
-                val ts2js: Ts2JsResponse = jsoup.requestBody(js).post().text().toModel()
-                trySend(CoreResult.Success(ts2js))
+    override suspend fun convert(js: String): Result<Ts2JsResponse> =
+        suspendCoroutine { continuation ->
+            try {
+                ioThread {
+                    val ts2js: Ts2JsResponse = jsoup.requestBody(js).post().text().toModel()
+                    continuation.resume(Result.success(ts2js))
+                }
+            } catch (exception: Exception) {
+                continuation.resume(Result.failure(exception))
             }
-        } catch (exception: Exception) {
-            trySend(CoreResult.Fail(exception))
         }
-
-        awaitClose { close() }
-    }
 }
diff --git a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/service/BackgroundService.kt b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/service/BackgroundService.kt
index b955c212..79e38d92 100644
--- a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/service/BackgroundService.kt
+++ b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/service/BackgroundService.kt
@@ -17,7 +17,7 @@ import android.content.Intent
 import android.os.IBinder
 import android.os.PowerManager
 import androidx.core.app.NotificationCompat
-import io.github.jisungbin.gitmessengerbot.common.config.IntentConfig
+import io.github.jisungbin.gitmessengerbot.common.constant.IntentConstant
 import io.github.jisungbin.gitmessengerbot.common.core.NotificationUtil
 import io.github.sungbin.gitmessengerbot.core.R
 
@@ -45,7 +45,7 @@ class BackgroundService : Service() {
         )
 
         val botPowerToggleIntent = Intent(this, NotifiactionService::class.java).apply {
-            putExtra(IntentConfig.NotificationAction, IntentConfig.BotPowerToggle)
+            putExtra(IntentConstant.NotificationAction, IntentConstant.BotPowerToggle)
         }
 
         val botPowerTogglePendingIntent = PendingIntent.getBroadcast(
@@ -64,7 +64,7 @@ class BackgroundService : Service() {
         )
 
         val botRecompileIntent = Intent(this, NotifiactionService::class.java).apply {
-            putExtra(IntentConfig.NotificationAction, IntentConfig.BotAllRecompile)
+            putExtra(IntentConstant.NotificationAction, IntentConstant.BotAllRecompile)
         }
 
         val botRecompilePendingIntent = PendingIntent.getBroadcast(
diff --git a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/service/NotifiactionService.kt b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/service/NotifiactionService.kt
index 8d64039d..d549d7a6 100644
--- a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/service/NotifiactionService.kt
+++ b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/service/NotifiactionService.kt
@@ -12,15 +12,14 @@ package io.github.sungbin.gitmessengerbot.core.service
 import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
-import io.github.jisungbin.gitmessengerbot.common.config.IntentConfig
+import io.github.jisungbin.gitmessengerbot.common.constant.IntentConstant
+import io.github.jisungbin.gitmessengerbot.common.extension.doWhen
 import io.github.jisungbin.gitmessengerbot.common.extension.toast
 import io.github.sungbin.gitmessengerbot.core.Injection
 import io.github.sungbin.gitmessengerbot.core.R
 import io.github.sungbin.gitmessengerbot.core.bot.Bot
-import io.github.sungbin.gitmessengerbot.core.doWhen
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.launch
 
 class NotifiactionService : BroadcastReceiver() {
@@ -28,8 +27,8 @@ class NotifiactionService : BroadcastReceiver() {
     private val scriptCompiler = Injection.Compiler.provide
 
     override fun onReceive(context: Context?, intent: Intent?) {
-        when (intent?.getStringExtra(IntentConfig.NotificationAction)) {
-            IntentConfig.BotPowerToggle -> {
+        when (intent?.getStringExtra(IntentConstant.NotificationAction)) {
+            IntentConstant.BotPowerToggle -> {
                 // TODO
                 /*if (Bot.app.value.power.value) {
                     context!!.startService(Intent(context, BackgroundService::class.java))
@@ -38,33 +37,31 @@ class NotifiactionService : BroadcastReceiver() {
                 }
                 Bot.scriptDataSaveAndUpdate(Bot.app.value.copy(power = mutableStateOf(!Bot.app.value.power.value)))*/
             }
-            IntentConfig.BotAllRecompile -> {
+            IntentConstant.BotAllRecompile -> {
                 CoroutineScope(Dispatchers.Default).launch {
                     toast(
                         context!!,
                         context.getString(R.string.service_notification_toast_running_scripts_recompile)
                     )
                     Bot.getRunnableScripts().forEach { script ->
-                        scriptCompiler.process(context, script).collect { compileResult ->
-                            compileResult.doWhen(
-                                onSuccess = {
-                                    toast(
-                                        context,
-                                        context.getString(R.string.service_notification_toast_recompile_done)
+                        scriptCompiler.process(context, script).doWhen(
+                            onSuccess = {
+                                toast(
+                                    context,
+                                    context.getString(R.string.service_notification_toast_recompile_done)
+                                )
+                            },
+                            onFailure = { exception ->
+                                toast(
+                                    context,
+                                    context.getString(
+                                        R.string.service_notification_toast_compile_error,
+                                        script.name,
+                                        exception.message
                                     )
-                                },
-                                onFail = { exception ->
-                                    toast(
-                                        context,
-                                        context.getString(
-                                            R.string.service_notification_toast_compile_error,
-                                            script.name,
-                                            exception.message
-                                        )
-                                    )
-                                }
-                            )
-                        }
+                                )
+                            }
+                        )
                     }
                 }
             }
diff --git a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/setting/AppConfig.kt b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/setting/AppConfig.kt
index 1c209015..0ece6f35 100644
--- a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/setting/AppConfig.kt
+++ b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/setting/AppConfig.kt
@@ -9,31 +9,29 @@
 
 package io.github.sungbin.gitmessengerbot.core.setting
 
-import androidx.lifecycle.LiveData
-import androidx.lifecycle.MutableLiveData
-import io.github.jisungbin.gitmessengerbot.common.config.PathConfig
-import io.github.jisungbin.gitmessengerbot.common.config.ScriptConfig
+import io.github.jisungbin.gitmessengerbot.common.constant.PathConstant
+import io.github.jisungbin.gitmessengerbot.common.constant.ScriptConstant
 import io.github.jisungbin.gitmessengerbot.common.core.Storage
-import io.github.jisungbin.gitmessengerbot.common.exception.CoreException
 import io.github.jisungbin.gitmessengerbot.common.extension.toJsonString
 import io.github.jisungbin.gitmessengerbot.common.extension.toModel
 import io.github.sungbin.gitmessengerbot.core.bot.StackManager
 import io.github.sungbin.gitmessengerbot.core.setting.model.App
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asStateFlow
 
 object AppConfig {
-    private val _app = MutableLiveData(loadApp())
+    private val _app = MutableStateFlow(loadApp())
 
-    val app: LiveData<App> get() = _app
-    val appValue: App get() = app.value ?: throw CoreException("AppConfig.app value is null.")
+    val app = _app.asStateFlow()
+    val appValue: App get() = app.value
 
-    val canUseEval: Boolean get() = StackManager.v8[ScriptConfig.EvalId] != null
+    val evalUsable: Boolean get() = StackManager.v8[ScriptConstant.EvalId] != null
 
     fun update(update: (App) -> App) {
-        var value = _app.value ?: throw CoreException("AppConfig.app value is null.")
-        value = update(value)
-        Storage.write(PathConfig.AppData, value.toJsonString())
+        val value = update(appValue)
+        Storage.write(PathConstant.AppData, value.toJsonString())
         _app.value = value
     }
 
-    private fun loadApp() = Storage.read(PathConfig.AppData, null)?.toModel() ?: App()
+    private fun loadApp() = Storage.read(PathConstant.AppData, null)?.toModel() ?: App()
 }
diff --git a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/setting/model/App.kt b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/setting/model/App.kt
index 1d896bce..1f2fb7f4 100644
--- a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/setting/model/App.kt
+++ b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/setting/model/App.kt
@@ -9,24 +9,24 @@
 
 package io.github.sungbin.gitmessengerbot.core.setting.model
 
-import io.github.jisungbin.gitmessengerbot.common.config.Config
-import io.github.jisungbin.gitmessengerbot.common.config.EditorConfig
-import io.github.jisungbin.gitmessengerbot.common.config.GithubConfig
-import io.github.jisungbin.gitmessengerbot.common.config.ScriptConfig
+import io.github.jisungbin.gitmessengerbot.common.constant.BotConstant
+import io.github.jisungbin.gitmessengerbot.common.constant.EditorConstant
+import io.github.jisungbin.gitmessengerbot.common.constant.GithubConstant
+import io.github.jisungbin.gitmessengerbot.common.constant.ScriptConstant
 import io.github.jisungbin.gitmessengerbot.common.script.ScriptLang
 
 data class App(
     val power: Boolean = false,
     val evalMode: Boolean = false,
-    val editorHorizontalScroll: Boolean = EditorConfig.HorizontalScroll,
-    val editorFontName: String = EditorConfig.FontName,
-    val editorFontSize: Int = EditorConfig.FontSize,
-    val editorAutoSave: Int = EditorConfig.AutoSave,
+    val editorHorizontalScroll: Boolean = EditorConstant.HorizontalScroll,
+    val editorFontName: String = EditorConstant.FontName,
+    val editorFontSize: Int = EditorConstant.FontSize,
+    val editorAutoSave: Int = EditorConstant.AutoSave,
     val scriptDefaultCode: ScriptDefaultCode = ScriptDefaultCode(),
     val scriptDefaultLang: Int = ScriptLang.TypeScript,
-    val scriptResponseFunctionName: String = ScriptConfig.DefaultResponseFunctionName,
-    val gitDefaultBranch: String = GithubConfig.DefaultBranch,
-    val gitDefaultCommitMessage: String = GithubConfig.DefaultCommitMessage,
+    val scriptResponseFunctionName: String = ScriptConstant.DefaultResponseFunctionName,
+    val gitDefaultBranch: String = GithubConstant.DefaultBranch,
+    val gitDefaultCommitMessage: String = GithubConstant.DefaultCommitMessage,
     val gitDefaultRepoOptions: RepoOptions = RepoOptions(),
-    val kakaoTalkPackageNames: List<String> = listOf(Config.KakaoTalkDefaultPackageName),
+    val kakaoTalkPackageNames: List<String> = listOf(BotConstant.KakaoTalkDefaultPackageName),
 )
diff --git a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/setting/model/ScriptDefaultCode.kt b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/setting/model/ScriptDefaultCode.kt
index fb613083..524c0b3c 100644
--- a/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/setting/model/ScriptDefaultCode.kt
+++ b/core/src/main/kotlin/io/github/sungbin/gitmessengerbot/core/setting/model/ScriptDefaultCode.kt
@@ -9,12 +9,12 @@
 
 package io.github.sungbin.gitmessengerbot.core.setting.model
 
-import io.github.jisungbin.gitmessengerbot.common.config.ScriptConfig
+import io.github.jisungbin.gitmessengerbot.common.constant.ScriptConstant
 
 // TODO: sim
 data class ScriptDefaultCode(
-    var js: String = "const ${ScriptConfig.DefaultResponseFunctionName} = (room, message, sender, isGroupChat, profileImageBase64, isDebugMode) => {\n\t\tconst reply = (message) => {\n\t\t\t\tBot.reply(room, message, isDebugMode);\n\t\t}\n}",
-    var ts: String = "const ${ScriptConfig.DefaultResponseFunctionName} = (room: string, message: string, sender: string, isGroupChat: boolean, profileImageBase64: string, isDebugMode: Boolean) => {\n\t\tconst reply = (message: String) => {\n\t\t\t\tBot.reply(room, message, isDebugMode);\n\t\t}\n}",
-    var py: String = "def ${ScriptConfig.DefaultResponseFunctionName}(self, room, message, sender, isGroupChat, profileImageBase64):\n\t\t\t\t",
+    var js: String = "const ${ScriptConstant.DefaultResponseFunctionName} = (room, message, sender, isGroupChat, profileImageBase64, isDebugMode) => {\n\t\tconst reply = (message) => {\n\t\t\t\tBot.reply(room, message, isDebugMode);\n\t\t}\n}",
+    var ts: String = "const ${ScriptConstant.DefaultResponseFunctionName} = (room: string, message: string, sender: string, isGroupChat: boolean, profileImageBase64: string, isDebugMode: Boolean) => {\n\t\tconst reply = (message: String) => {\n\t\t\t\tBot.reply(room, message, isDebugMode);\n\t\t}\n}",
+    var py: String = "def ${ScriptConstant.DefaultResponseFunctionName}(self, room, message, sender, isGroupChat, profileImageBase64):\n\t\t\t\t",
     var sim: String = "todo",
 )
diff --git a/core/src/main/res/values/strings.xml b/core/src/main/res/values/strings.xml
index 9ee420ca..453ed5f4 100644
--- a/core/src/main/res/values/strings.xml
+++ b/core/src/main/res/values/strings.xml
@@ -1,4 +1,4 @@
-<!--
+<?xml version="1.0" encoding="utf-8"?><!--
   ~ GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
   ~ GitMessengerBot license is under the GPL-3.0.
   ~
diff --git a/data-github/build.gradle.kts b/data-github/build.gradle.kts
index 38e75009..d3840249 100644
--- a/data-github/build.gradle.kts
+++ b/data-github/build.gradle.kts
@@ -42,7 +42,7 @@ dependencies {
     implementation(project(":common"))
     implementation(project(":domain-github"))
 
-    Dependencies.jackson.forEach(::implementation)
-    Dependencies.retrofit.forEach(::implementation)
-    Dependencies.retrofitutil.forEach(::implementation)
+    Dependencies.Jackson.forEach(::implementation)
+    Dependencies.Retrofit.forEach(::implementation)
+    Dependencies.RetrofitUtil.forEach(::implementation)
 }
diff --git a/data-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/data/github/repo/GithubCommitRepositoryImpl.kt b/data-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/data/github/repo/GithubCommitRepositoryImpl.kt
index f1370682..1a6e6cc5 100644
--- a/data-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/data/github/repo/GithubCommitRepositoryImpl.kt
+++ b/data-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/data/github/repo/GithubCommitRepositoryImpl.kt
@@ -13,52 +13,59 @@ import io.github.jisungbin.gitmessengerbot.data.github.api.GithubCommitService
 import io.github.jisungbin.gitmessengerbot.data.github.mapper.toDomain
 import io.github.jisungbin.gitmessengerbot.data.github.util.isValid
 import io.github.jisungbin.gitmessengerbot.data.github.util.toFailResult
-import io.github.jisungbin.gitmessengerbot.domain.github.GithubResult
+import io.github.jisungbin.gitmessengerbot.domain.github.model.commit.CommitContents
+import io.github.jisungbin.gitmessengerbot.domain.github.model.commit.CommitLists
 import io.github.jisungbin.gitmessengerbot.domain.github.repo.GithubCommitRepository
-import kotlinx.coroutines.ExperimentalCoroutinesApi
-import kotlinx.coroutines.flow.callbackFlow
+import kotlin.coroutines.resume
+import kotlin.coroutines.suspendCoroutine
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.launch
 import retrofit2.Retrofit
 
-class GithubCommitRepositoryImpl(private val signedRetrofit: Retrofit) : GithubCommitRepository {
-    private val api by lazy { signedRetrofit.create(GithubCommitService::class.java) }
+class GithubCommitRepositoryImpl(signedRetrofit: Retrofit) : GithubCommitRepository {
+    private val api = signedRetrofit.create(GithubCommitService::class.java)
 
-    @OptIn(ExperimentalCoroutinesApi::class)
-    override suspend fun getFileCommitHistory(owner: String, repoName: String) = callbackFlow {
-        try {
-            val request = api.getFileCommitHistory(owner = owner, repoName = repoName)
-            trySend(
-                if (request.isValid()) {
-                    GithubResult.Success(request.body()!!.toDomain())
-                } else {
-                    request.toFailResult("getFileCommitHistory")
-                }
-            )
-        } catch (exception: Exception) {
-            trySend(GithubResult.Fail(exception))
+    override suspend fun getFileCommitHistory(
+        owner: String,
+        repoName: String,
+        coroutineScope: CoroutineScope
+    ): Result<CommitLists> = suspendCoroutine { continuation ->
+        coroutineScope.launch {
+            try {
+                val request = api.getFileCommitHistory(owner = owner, repoName = repoName)
+                continuation.resume(
+                    if (request.isValid()) {
+                        Result.success(request.body()!!.toDomain())
+                    } else {
+                        request.toFailResult("getFileCommitHistory")
+                    }
+                )
+            } catch (exception: Exception) {
+                continuation.resume(Result.failure(exception))
+            }
         }
-
-        close()
     }
 
-    @OptIn(ExperimentalCoroutinesApi::class)
     override suspend fun getFileCommitContent(
         owner: String,
         repoName: String,
         sha: String,
-    ) = callbackFlow {
-        try {
-            val request = api.getFileCommitContent(owner = owner, repoName = repoName, sha = sha)
-            trySend(
-                if (request.isValid()) {
-                    GithubResult.Success(request.body()!!.toDomain())
-                } else {
-                    request.toFailResult("getFileCommitContent")
-                }
-            )
-        } catch (exception: Exception) {
-            trySend(GithubResult.Fail(exception))
+        coroutineScope: CoroutineScope
+    ): Result<CommitContents> = suspendCoroutine { continuation ->
+        coroutineScope.launch {
+            try {
+                val request =
+                    api.getFileCommitContent(owner = owner, repoName = repoName, sha = sha)
+                continuation.resume(
+                    if (request.isValid()) {
+                        Result.success(request.body()!!.toDomain())
+                    } else {
+                        request.toFailResult("getFileCommitContent")
+                    }
+                )
+            } catch (exception: Exception) {
+                continuation.resume(Result.failure(exception))
+            }
         }
-
-        close()
     }
 }
diff --git a/data-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/data/github/repo/GithubRepoRepositoryImpl.kt b/data-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/data/github/repo/GithubRepoRepositoryImpl.kt
index 115967e2..f52e67bd 100644
--- a/data-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/data/github/repo/GithubRepoRepositoryImpl.kt
+++ b/data-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/data/github/repo/GithubRepoRepositoryImpl.kt
@@ -9,7 +9,7 @@
 
 package io.github.jisungbin.gitmessengerbot.data.github.repo
 
-import io.github.jisungbin.gitmessengerbot.common.config.GithubConfig
+import io.github.jisungbin.gitmessengerbot.common.constant.GithubConstant
 import io.github.jisungbin.gitmessengerbot.common.core.Storage
 import io.github.jisungbin.gitmessengerbot.common.exception.DataGithubException
 import io.github.jisungbin.gitmessengerbot.common.extension.toModel
@@ -17,80 +17,89 @@ import io.github.jisungbin.gitmessengerbot.data.github.api.GithubRepoService
 import io.github.jisungbin.gitmessengerbot.data.github.mapper.toDomain
 import io.github.jisungbin.gitmessengerbot.data.github.util.isValid
 import io.github.jisungbin.gitmessengerbot.data.github.util.toFailResult
-import io.github.jisungbin.gitmessengerbot.domain.github.GithubResult
 import io.github.jisungbin.gitmessengerbot.domain.github.model.repo.GithubFile
+import io.github.jisungbin.gitmessengerbot.domain.github.model.repo.GithubFileContent
 import io.github.jisungbin.gitmessengerbot.domain.github.model.repo.GithubRepo
 import io.github.jisungbin.gitmessengerbot.domain.github.model.user.GithubData
 import io.github.jisungbin.gitmessengerbot.domain.github.repo.GithubRepoRepository
-import kotlinx.coroutines.ExperimentalCoroutinesApi
-import kotlinx.coroutines.flow.callbackFlow
+import kotlin.coroutines.resume
+import kotlin.coroutines.suspendCoroutine
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.launch
 import retrofit2.Retrofit
 
-class GithubRepoRepositoryImpl(private val retrofit: Retrofit) : GithubRepoRepository {
-    private val api by lazy { retrofit.create(GithubRepoService::class.java) }
-    private val githubData: GithubData = Storage.read(GithubConfig.DataPath, null)?.toModel()
-        ?: throw DataGithubException("GithubConfig.DataPath data is null.")
+class GithubRepoRepositoryImpl(retrofit: Retrofit) : GithubRepoRepository {
+    private val api = retrofit.create(GithubRepoService::class.java)
+    private val githubData: GithubData = Storage.read(GithubConstant.DataPath, null)?.toModel()
+        ?: throw DataGithubException("GithubConfig.DataPath 데이터가 null 이에요.")
 
-    @OptIn(ExperimentalCoroutinesApi::class)
-    override fun getFileContent(repoName: String, path: String, branch: String) = callbackFlow {
-        try {
-            val request = api.getFileContent(githubData.userName, repoName, path, branch)
-            trySend(
-                if (request.isValid()) {
-                    GithubResult.Success(request.body()!!.toDomain())
-                } else {
-                    request.toFailResult("getFileContent")
-                }
-            )
-        } catch (exception: Exception) {
-            trySend(GithubResult.Fail(exception))
+    override suspend fun getFileContent(
+        repoName: String,
+        path: String,
+        branch: String,
+        coroutineScope: CoroutineScope
+    ): Result<GithubFileContent> = suspendCoroutine { continuation ->
+        coroutineScope.launch {
+            try {
+                val request = api.getFileContent(githubData.userName, repoName, path, branch)
+                continuation.resume(
+                    if (request.isValid()) {
+                        Result.success(request.body()!!.toDomain())
+                    } else {
+                        request.toFailResult("getFileContent")
+                    }
+                )
+            } catch (exception: Exception) {
+                continuation.resume(Result.failure(exception))
+            }
         }
-
-        close()
     }
 
-    @OptIn(ExperimentalCoroutinesApi::class)
-    override fun createRepo(githubRepo: GithubRepo) = callbackFlow {
-        try {
-            val request = api.createRepo(githubRepo)
-            trySend(
-                if (request.isValid()) {
-                    GithubResult.Success(Unit)
-                } else {
-                    request.toFailResult("createRepo")
+    override suspend fun createRepo(
+        githubRepo: GithubRepo,
+        coroutineScope: CoroutineScope
+    ): Result<Unit> =
+        suspendCoroutine { continuation ->
+            coroutineScope.launch {
+                try {
+                    val request = api.createRepo(githubRepo)
+                    continuation.resume(
+                        if (request.isValid()) {
+                            Result.success(Unit)
+                        } else {
+                            request.toFailResult("createRepo")
+                        }
+                    )
+                } catch (exception: Exception) {
+                    continuation.resume(Result.failure(exception))
                 }
-            )
-        } catch (exception: Exception) {
-            trySend(GithubResult.Fail(exception))
+            }
         }
 
-        close()
-    }
-
-    @OptIn(ExperimentalCoroutinesApi::class)
-    override fun updateFile(
+    override suspend fun updateFile(
         repoName: String,
         path: String,
         githubFile: GithubFile,
-    ) = callbackFlow {
-        try {
-            val request = api.updateFile(
-                owner = githubData.userName,
-                repoName = repoName,
-                path = path,
-                githubFile = githubFile
-            )
-            trySend(
-                if (request.isValid()) {
-                    GithubResult.Success(Unit)
-                } else {
-                    request.toFailResult("updateFile")
-                }
-            )
-        } catch (exception: Exception) {
-            trySend(GithubResult.Fail(exception))
+        coroutineScope: CoroutineScope
+    ): Result<Unit> = suspendCoroutine { continuation ->
+        coroutineScope.launch {
+            try {
+                val request = api.updateFile(
+                    owner = githubData.userName,
+                    repoName = repoName,
+                    path = path,
+                    githubFile = githubFile
+                )
+                continuation.resume(
+                    if (request.isValid()) {
+                        Result.success(Unit)
+                    } else {
+                        request.toFailResult("updateFile")
+                    }
+                )
+            } catch (exception: Exception) {
+                continuation.resume(Result.failure(exception))
+            }
         }
-
-        close()
     }
 }
diff --git a/data-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/data/github/repo/GithubUserRepositoryImpl.kt b/data-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/data/github/repo/GithubUserRepositoryImpl.kt
index 417d0e19..1cad62e0 100644
--- a/data-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/data/github/repo/GithubUserRepositoryImpl.kt
+++ b/data-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/data/github/repo/GithubUserRepositoryImpl.kt
@@ -9,17 +9,20 @@
 
 package io.github.jisungbin.gitmessengerbot.data.github.repo
 
-import io.github.jisungbin.gitmessengerbot.common.exception.DataGithubException
 import io.github.jisungbin.gitmessengerbot.common.extension.runIf
 import io.github.jisungbin.gitmessengerbot.data.github.api.GithubUserService
 import io.github.jisungbin.gitmessengerbot.data.github.mapper.toDomain
 import io.github.jisungbin.gitmessengerbot.data.github.secret.SecretConfig
 import io.github.jisungbin.gitmessengerbot.data.github.util.isValid
 import io.github.jisungbin.gitmessengerbot.data.github.util.toFailResult
-import io.github.jisungbin.gitmessengerbot.domain.github.GithubResult
+import io.github.jisungbin.gitmessengerbot.domain.github.model.user.GithubAouth
+import io.github.jisungbin.gitmessengerbot.domain.github.model.user.GithubUser
 import io.github.jisungbin.gitmessengerbot.domain.github.repo.GithubUserRepository
+import kotlin.coroutines.resume
+import kotlin.coroutines.suspendCoroutine
+import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.ExperimentalCoroutinesApi
-import kotlinx.coroutines.flow.callbackFlow
+import kotlinx.coroutines.launch
 import okhttp3.Interceptor
 import okhttp3.OkHttpClient
 import okhttp3.Response
@@ -29,7 +32,7 @@ import retrofit2.Retrofit
 class GithubUserRepositoryImpl(
     private val httpLoggingInterceptor: HttpLoggingInterceptor,
     private val userRetrofit: Retrofit.Builder,
-    private val aouthRetrofit: Retrofit.Builder,
+    private val aouthRetrofit: Retrofit.Builder
 ) : GithubUserRepository {
     private class AuthInterceptor(private val aouthToken: String?) : Interceptor {
         override fun intercept(chain: Interceptor.Chain): Response {
@@ -51,45 +54,52 @@ class GithubUserRepositoryImpl(
         .build()
         .create(GithubUserService::class.java)
 
-    @OptIn(ExperimentalCoroutinesApi::class)
-    override suspend fun getUserInfo(aouthToken: String) = callbackFlow {
-        try {
-            val request =
-                getApi(retrofit = userRetrofit, aouthToken = aouthToken).getUserInfo()
-            trySend(
-                if (request.isValid()) {
-                    GithubResult.Success(request.body()!!.toDomain())
-                } else {
-                    request.toFailResult("getUserInfo")
+    override suspend fun getUserInfo(
+        aouthToken: String,
+        coroutineScope: CoroutineScope
+    ): Result<GithubUser> =
+        suspendCoroutine { continuation ->
+            coroutineScope.launch {
+                try {
+                    val request =
+                        getApi(retrofit = userRetrofit, aouthToken = aouthToken).getUserInfo()
+                    continuation.resume(
+                        if (request.isValid()) {
+                            Result.success(request.body()!!.toDomain())
+                        } else {
+                            request.toFailResult("getUserInfo")
+                        }
+                    )
+                } catch (exception: Exception) {
+                    continuation.resume(Result.failure(exception))
                 }
-            )
-        } catch (exception: Exception) {
-            trySend(GithubResult.Fail(DataGithubException(exception.message)))
+            }
         }
 
-        close()
-    }
-
     @OptIn(ExperimentalCoroutinesApi::class)
-    override suspend fun requestAouthToken(requestCode: String) = callbackFlow {
-        try {
-            val request =
-                getApi(retrofit = aouthRetrofit, aouthToken = null).requestAouthToken(
-                    requestCode = requestCode,
-                    clientId = SecretConfig.GithubOauthClientId,
-                    clientSecret = SecretConfig.GithubOauthClientSecret
-                )
-            trySend(
-                if (request.isValid()) {
-                    GithubResult.Success(request.body()!!.toDomain())
-                } else {
-                    request.toFailResult("requestAouthToken")
+    override suspend fun requestAouthToken(
+        requestCode: String,
+        coroutineScope: CoroutineScope
+    ): Result<GithubAouth> =
+        suspendCoroutine { continuation ->
+            coroutineScope.launch {
+                try {
+                    val request =
+                        getApi(retrofit = aouthRetrofit, aouthToken = null).requestAouthToken(
+                            requestCode = requestCode,
+                            clientId = SecretConfig.GithubOauthClientId,
+                            clientSecret = SecretConfig.GithubOauthClientSecret
+                        )
+                    continuation.resume(
+                        if (request.isValid()) {
+                            Result.success(request.body()!!.toDomain())
+                        } else {
+                            request.toFailResult("requestAouthToken")
+                        }
+                    )
+                } catch (exception: Exception) {
+                    continuation.resume(Result.failure(exception))
                 }
-            )
-        } catch (exception: Exception) {
-            trySend(GithubResult.Fail(DataGithubException(exception.message)))
+            }
         }
-
-        close()
-    }
 }
diff --git a/data-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/data/github/util/Response.kt b/data-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/data/github/util/Response.kt
index 366d5adc..8f3ebf27 100644
--- a/data-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/data/github/util/Response.kt
+++ b/data-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/data/github/util/Response.kt
@@ -10,14 +10,14 @@
 package io.github.jisungbin.gitmessengerbot.data.github.util
 
 import io.github.jisungbin.gitmessengerbot.common.exception.DataGithubException
-import io.github.jisungbin.gitmessengerbot.domain.github.GithubResult
+import io.github.jisungbin.gitmessengerbot.data.github.R
 import retrofit2.Response
 
 fun <T> Response<T>.isValid() = isSuccessful && body() != null
 
-fun <T> Response<T>.toFailResult(requestMethod: String) = GithubResult.Fail(
+fun <T, R> Response<T>.toFailResult(requestMethod: String) = Result.failure<R>(
     DataGithubException(
-        "Github.$requestMethod request fail.\n\n${
+        "Github.$requestMethod 요청 실패\n\n${
         errorBody()?.use { it.string() }
         }"
     )
diff --git a/data-kaven/build.gradle.kts b/data-kaven/build.gradle.kts
index ad74417e..25bb5668 100644
--- a/data-kaven/build.gradle.kts
+++ b/data-kaven/build.gradle.kts
@@ -42,10 +42,10 @@ dependencies {
     implementation(project(":common"))
     implementation(project(":domain-kaven"))
 
-    Dependencies.room.forEach(::implementation)
-    Dependencies.jackson.forEach(::implementation)
-    Dependencies.retrofit.forEach(::implementation)
-    Dependencies.retrofitutil.forEach(::implementation)
+    Dependencies.Room.forEach(::implementation)
+    Dependencies.Jackson.forEach(::implementation)
+    Dependencies.Retrofit.forEach(::implementation)
+    Dependencies.RetrofitUtil.forEach(::implementation)
 
-    kapt(Dependencies.roomCompiler)
+    kapt(Dependencies.RoomCompiler)
 }
diff --git a/domain-github/build.gradle.kts b/domain-github/build.gradle.kts
index 91385b2b..cbf35994 100644
--- a/domain-github/build.gradle.kts
+++ b/domain-github/build.gradle.kts
@@ -39,5 +39,5 @@ android {
 }
 
 dependencies {
-    Dependencies.essential.forEach(::implementation)
+    Dependencies.Essential.forEach(::implementation)
 }
diff --git a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/BaseUseCase.kt b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/BaseUseCase.kt
deleted file mode 100644
index 9d2fb8e0..00000000
--- a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/BaseUseCase.kt
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
- * GitMessengerBot license is under the GPL-3.0.
- *
- * [BaseUseCase.kt] created by Ji Sungbin on 21. 8. 28. 오후 11:28
- *
- * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
- */
-
-package io.github.jisungbin.gitmessengerbot.domain.github
-
-import kotlinx.coroutines.flow.Flow
-
-interface BaseUseCase<in Parameter, out ResultType> {
-    suspend operator fun invoke(
-        parameter: Parameter,
-    ): Flow<GithubResult<ResultType>>
-}
-
-interface BaseUseCase2<in Parameter, in Parameter2, out ResultType> {
-    suspend operator fun invoke(
-        parameter: Parameter,
-        parameter2: Parameter2,
-    ): Flow<GithubResult<ResultType>>
-}
-
-interface BaseUseCase3<in Parameter, in Parameter2, in Parameter3, out ResultType> {
-    suspend operator fun invoke(
-        parameter: Parameter,
-        parameter2: Parameter2,
-        parameter3: Parameter3,
-    ): Flow<GithubResult<ResultType>>
-}
diff --git a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/GithubResult.kt b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/GithubResult.kt
deleted file mode 100644
index addc461b..00000000
--- a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/GithubResult.kt
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
- * GitMessengerBot license is under the GPL-3.0.
- *
- * [GithubResult.kt] created by Ji Sungbin on 21. 8. 28. 오후 11:18
- *
- * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
- */
-
-package io.github.jisungbin.gitmessengerbot.domain.github
-
-sealed class GithubResult<out T> {
-    data class Success<out T>(val response: T) : GithubResult<T>()
-    data class Fail(val exception: Exception) : GithubResult<Nothing>()
-}
-
-suspend fun <T> GithubResult<T>.doWhen(
-    onSuccess: suspend (T) -> Unit,
-    onFail: suspend (Exception) -> Unit,
-) {
-    when (this) {
-        is GithubResult.Success -> onSuccess(response)
-        is GithubResult.Fail -> onFail(exception)
-    }
-}
diff --git a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/model/user/GithubData.kt b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/model/user/GithubData.kt
index debf35e0..3916f88f 100644
--- a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/model/user/GithubData.kt
+++ b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/model/user/GithubData.kt
@@ -10,7 +10,7 @@
 package io.github.jisungbin.gitmessengerbot.domain.github.model.user
 
 data class GithubData(
-    val aouthToken: String,
+    val aouthToken: String = "",
     val userName: String = "",
     val profileImageUrl: String = "",
 )
diff --git a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/repo/GithubCommitRepository.kt b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/repo/GithubCommitRepository.kt
index 7c11d98c..63249da7 100644
--- a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/repo/GithubCommitRepository.kt
+++ b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/repo/GithubCommitRepository.kt
@@ -9,20 +9,21 @@
 
 package io.github.jisungbin.gitmessengerbot.domain.github.repo
 
-import io.github.jisungbin.gitmessengerbot.domain.github.GithubResult
 import io.github.jisungbin.gitmessengerbot.domain.github.model.commit.CommitContents
 import io.github.jisungbin.gitmessengerbot.domain.github.model.commit.CommitLists
-import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.CoroutineScope
 
 interface GithubCommitRepository {
     suspend fun getFileCommitHistory(
         owner: String,
         repoName: String,
-    ): Flow<GithubResult<CommitLists>>
+        coroutineScope: CoroutineScope
+    ): Result<CommitLists>
 
     suspend fun getFileCommitContent(
         owner: String,
         repoName: String,
         sha: String,
-    ): Flow<GithubResult<CommitContents>>
+        coroutineScope: CoroutineScope
+    ): Result<CommitContents>
 }
diff --git a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/repo/GithubRepoRepository.kt b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/repo/GithubRepoRepository.kt
index 6c1d489b..ef5fb3c4 100644
--- a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/repo/GithubRepoRepository.kt
+++ b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/repo/GithubRepoRepository.kt
@@ -9,20 +9,25 @@
 
 package io.github.jisungbin.gitmessengerbot.domain.github.repo
 
-import io.github.jisungbin.gitmessengerbot.domain.github.GithubResult
 import io.github.jisungbin.gitmessengerbot.domain.github.model.repo.GithubFile
 import io.github.jisungbin.gitmessengerbot.domain.github.model.repo.GithubFileContent
 import io.github.jisungbin.gitmessengerbot.domain.github.model.repo.GithubRepo
-import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.CoroutineScope
 
 interface GithubRepoRepository {
-    fun getFileContent(
+    suspend fun getFileContent(
         repoName: String,
         path: String,
         branch: String,
-    ): Flow<GithubResult<GithubFileContent>>
+        coroutineScope: CoroutineScope
+    ): Result<GithubFileContent>
 
-    fun createRepo(githubRepo: GithubRepo): Flow<GithubResult<Unit>>
+    suspend fun createRepo(githubRepo: GithubRepo, coroutineScope: CoroutineScope): Result<Unit>
 
-    fun updateFile(repoName: String, path: String, githubFile: GithubFile): Flow<GithubResult<Unit>>
+    suspend fun updateFile(
+        repoName: String,
+        path: String,
+        githubFile: GithubFile,
+        coroutineScope: CoroutineScope
+    ): Result<Unit>
 }
diff --git a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/repo/GithubUserRepository.kt b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/repo/GithubUserRepository.kt
index 526eaf8d..a4b485e0 100644
--- a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/repo/GithubUserRepository.kt
+++ b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/repo/GithubUserRepository.kt
@@ -9,12 +9,14 @@
 
 package io.github.jisungbin.gitmessengerbot.domain.github.repo
 
-import io.github.jisungbin.gitmessengerbot.domain.github.GithubResult
 import io.github.jisungbin.gitmessengerbot.domain.github.model.user.GithubAouth
 import io.github.jisungbin.gitmessengerbot.domain.github.model.user.GithubUser
-import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.CoroutineScope
 
 interface GithubUserRepository {
-    suspend fun requestAouthToken(requestCode: String): Flow<GithubResult<GithubAouth>>
-    suspend fun getUserInfo(aouthToken: String): Flow<GithubResult<GithubUser>>
+    suspend fun getUserInfo(aouthToken: String, coroutineScope: CoroutineScope): Result<GithubUser>
+    suspend fun requestAouthToken(
+        requestCode: String,
+        coroutineScope: CoroutineScope
+    ): Result<GithubAouth>
 }
diff --git a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GetCommitContentUseCase.kt b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GetCommitContentUseCase.kt
index 5c0f922c..4d0414da 100644
--- a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GetCommitContentUseCase.kt
+++ b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GetCommitContentUseCase.kt
@@ -9,22 +9,19 @@
 
 package io.github.jisungbin.gitmessengerbot.domain.github.usecase
 
-import io.github.jisungbin.gitmessengerbot.domain.github.BaseUseCase3
-import io.github.jisungbin.gitmessengerbot.domain.github.model.commit.CommitContents
 import io.github.jisungbin.gitmessengerbot.domain.github.repo.GithubCommitRepository
+import kotlinx.coroutines.CoroutineScope
 
-private typealias BaseCommitContentUseCase = BaseUseCase3<String, String, String, CommitContents>
-
-class GetCommitContentUseCase(
-    private val commitRepository: GithubCommitRepository,
-) : BaseCommitContentUseCase {
-    override suspend fun invoke(
-        parameter: String,
-        parameter2: String,
-        parameter3: String,
+class GetCommitContentUseCase(private val commitRepository: GithubCommitRepository) {
+    suspend operator fun invoke(
+        owner: String,
+        repoName: String,
+        sha: String,
+        coroutineScope: CoroutineScope
     ) = commitRepository.getFileCommitContent(
-        owner = parameter,
-        repoName = parameter2,
-        sha = parameter3
+        owner = owner,
+        repoName = repoName,
+        sha = sha,
+        coroutineScope = coroutineScope
     )
 }
diff --git a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GetCommitHistoryUseCase.kt b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GetCommitHistoryUseCase.kt
index ee90e808..98d60833 100644
--- a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GetCommitHistoryUseCase.kt
+++ b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GetCommitHistoryUseCase.kt
@@ -9,17 +9,17 @@
 
 package io.github.jisungbin.gitmessengerbot.domain.github.usecase
 
-import io.github.jisungbin.gitmessengerbot.domain.github.BaseUseCase2
-import io.github.jisungbin.gitmessengerbot.domain.github.model.commit.CommitLists
 import io.github.jisungbin.gitmessengerbot.domain.github.repo.GithubCommitRepository
+import kotlinx.coroutines.CoroutineScope
 
-private typealias BaseCommitHistoryUseCase = BaseUseCase2<String, String, CommitLists>
-
-class GetCommitHistoryUseCase(
-    private val commitRepository: GithubCommitRepository,
-) : BaseCommitHistoryUseCase {
-    override suspend fun invoke(
-        parameter: String,
-        parameter2: String,
-    ) = commitRepository.getFileCommitHistory(owner = parameter, repoName = parameter2)
+class GetCommitHistoryUseCase(private val commitRepository: GithubCommitRepository) {
+    suspend operator fun invoke(
+        owner: String,
+        repoName: String,
+        coroutineScope: CoroutineScope
+    ) = commitRepository.getFileCommitHistory(
+        owner = owner,
+        repoName = repoName,
+        coroutineScope = coroutineScope
+    )
 }
diff --git a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GithubCreateRepoUseCase.kt b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GithubCreateRepoUseCase.kt
index 358c7e21..7ca3db7b 100644
--- a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GithubCreateRepoUseCase.kt
+++ b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GithubCreateRepoUseCase.kt
@@ -9,15 +9,14 @@
 
 package io.github.jisungbin.gitmessengerbot.domain.github.usecase
 
-import io.github.jisungbin.gitmessengerbot.domain.github.BaseUseCase
 import io.github.jisungbin.gitmessengerbot.domain.github.model.repo.GithubRepo
 import io.github.jisungbin.gitmessengerbot.domain.github.repo.GithubRepoRepository
+import kotlinx.coroutines.CoroutineScope
 
-private typealias BaseGithubCreateRepoUseCase = BaseUseCase<GithubRepo, Unit>
-
-class GithubCreateRepoUseCase(
-    private val githubRepoRepository: GithubRepoRepository,
-) : BaseGithubCreateRepoUseCase {
-    override suspend fun invoke(parameter: GithubRepo) =
-        githubRepoRepository.createRepo(githubRepo = parameter)
+class GithubCreateRepoUseCase(private val githubRepoRepository: GithubRepoRepository) {
+    suspend operator fun invoke(githubRepoarameter: GithubRepo, coroutineScope: CoroutineScope) =
+        githubRepoRepository.createRepo(
+            githubRepo = githubRepoarameter,
+            coroutineScope = coroutineScope
+        )
 }
diff --git a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GithubGetFileContentUseCase.kt b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GithubGetFileContentUseCase.kt
index 1d65aa33..d415a783 100644
--- a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GithubGetFileContentUseCase.kt
+++ b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GithubGetFileContentUseCase.kt
@@ -9,22 +9,19 @@
 
 package io.github.jisungbin.gitmessengerbot.domain.github.usecase
 
-import io.github.jisungbin.gitmessengerbot.domain.github.BaseUseCase3
-import io.github.jisungbin.gitmessengerbot.domain.github.model.repo.GithubFileContent
 import io.github.jisungbin.gitmessengerbot.domain.github.repo.GithubRepoRepository
+import kotlinx.coroutines.CoroutineScope
 
-private typealias BaseGithubGetFileContentUseCase = BaseUseCase3<String, String, String, GithubFileContent>
-
-class GithubGetFileContentUseCase(
-    private val githubRepoRepository: GithubRepoRepository,
-) : BaseGithubGetFileContentUseCase {
-    override suspend fun invoke(
-        parameter: String,
-        parameter2: String,
-        parameter3: String,
+class GithubGetFileContentUseCase(private val githubRepoRepository: GithubRepoRepository) {
+    suspend operator fun invoke(
+        repoName: String,
+        path: String,
+        branch: String,
+        coroutineScope: CoroutineScope
     ) = githubRepoRepository.getFileContent(
-        repoName = parameter,
-        path = parameter2,
-        branch = parameter3
+        repoName = repoName,
+        path = path,
+        branch = branch,
+        coroutineScope = coroutineScope
     )
 }
diff --git a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GithubGetUserInfoUseCase.kt b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GithubGetUserInfoUseCase.kt
index 85c37b9f..d7627f35 100644
--- a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GithubGetUserInfoUseCase.kt
+++ b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GithubGetUserInfoUseCase.kt
@@ -9,15 +9,10 @@
 
 package io.github.jisungbin.gitmessengerbot.domain.github.usecase
 
-import io.github.jisungbin.gitmessengerbot.domain.github.BaseUseCase
-import io.github.jisungbin.gitmessengerbot.domain.github.model.user.GithubUser
 import io.github.jisungbin.gitmessengerbot.domain.github.repo.GithubUserRepository
+import kotlinx.coroutines.CoroutineScope
 
-private typealias BaseGithubGetUserInfoUseCase = BaseUseCase<String, GithubUser>
-
-class GithubGetUserInfoUseCase(
-    private val githubUserRepository: GithubUserRepository,
-) : BaseGithubGetUserInfoUseCase {
-    override suspend fun invoke(parameter: String) =
-        githubUserRepository.getUserInfo(aouthToken = parameter)
+class GithubGetUserInfoUseCase(private val githubUserRepository: GithubUserRepository) {
+    suspend operator fun invoke(aouthToken: String, coroutineScope: CoroutineScope) =
+        githubUserRepository.getUserInfo(aouthToken = aouthToken, coroutineScope = coroutineScope)
 }
diff --git a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GithubRequestAouthTokenUseCase.kt b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GithubRequestAouthTokenUseCase.kt
index f280255e..7a3cc747 100644
--- a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GithubRequestAouthTokenUseCase.kt
+++ b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GithubRequestAouthTokenUseCase.kt
@@ -9,15 +9,13 @@
 
 package io.github.jisungbin.gitmessengerbot.domain.github.usecase
 
-import io.github.jisungbin.gitmessengerbot.domain.github.BaseUseCase
-import io.github.jisungbin.gitmessengerbot.domain.github.model.user.GithubAouth
 import io.github.jisungbin.gitmessengerbot.domain.github.repo.GithubUserRepository
+import kotlinx.coroutines.CoroutineScope
 
-private typealias BaseGithubRequestAouthTokenUseCase = BaseUseCase<String, GithubAouth>
-
-class GithubRequestAouthTokenUseCase(
-    private val githubUserRepository: GithubUserRepository,
-) : BaseGithubRequestAouthTokenUseCase {
-    override suspend fun invoke(parameter: String) =
-        githubUserRepository.requestAouthToken(requestCode = parameter)
+class GithubRequestAouthTokenUseCase(private val githubUserRepository: GithubUserRepository) {
+    suspend operator fun invoke(requestCode: String, coroutineScope: CoroutineScope) =
+        githubUserRepository.requestAouthToken(
+            requestCode = requestCode,
+            coroutineScope = coroutineScope
+        )
 }
diff --git a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GithubUpdateFileUseCase.kt b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GithubUpdateFileUseCase.kt
index 2c30078b..6bac2166 100644
--- a/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GithubUpdateFileUseCase.kt
+++ b/domain-github/src/main/kotlin/io/github/jisungbin/gitmessengerbot/domain/github/usecase/GithubUpdateFileUseCase.kt
@@ -9,22 +9,20 @@
 
 package io.github.jisungbin.gitmessengerbot.domain.github.usecase
 
-import io.github.jisungbin.gitmessengerbot.domain.github.BaseUseCase3
 import io.github.jisungbin.gitmessengerbot.domain.github.model.repo.GithubFile
 import io.github.jisungbin.gitmessengerbot.domain.github.repo.GithubRepoRepository
+import kotlinx.coroutines.CoroutineScope
 
-private typealias BaseGithubUpdateFileUseCase = BaseUseCase3<String, String, GithubFile, Unit>
-
-class GithubUpdateFileUseCase(
-    private val githubRepoRepository: GithubRepoRepository,
-) : BaseGithubUpdateFileUseCase {
-    override suspend fun invoke(
-        parameter: String,
-        parameter2: String,
-        parameter3: GithubFile,
+class GithubUpdateFileUseCase(private val githubRepoRepository: GithubRepoRepository) {
+    suspend operator fun invoke(
+        repoName: String,
+        path: String,
+        githubFile: GithubFile,
+        coroutineScope: CoroutineScope
     ) = githubRepoRepository.updateFile(
-        repoName = parameter,
-        path = parameter2,
-        githubFile = parameter3
+        repoName = repoName,
+        path = path,
+        githubFile = githubFile,
+        coroutineScope = coroutineScope
     )
 }
diff --git a/domain-kaven/build.gradle.kts b/domain-kaven/build.gradle.kts
index 91385b2b..cbf35994 100644
--- a/domain-kaven/build.gradle.kts
+++ b/domain-kaven/build.gradle.kts
@@ -39,5 +39,5 @@ android {
 }
 
 dependencies {
-    Dependencies.essential.forEach(::implementation)
+    Dependencies.Essential.forEach(::implementation)
 }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 39fa6533..772d354a 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
diff --git a/presentation/build.gradle.kts b/presentation/build.gradle.kts
index 10d98699..2b8c7dbf 100644
--- a/presentation/build.gradle.kts
+++ b/presentation/build.gradle.kts
@@ -67,9 +67,9 @@ android {
 }
 
 dependencies {
-    implementation(Dependencies.hilt)
-    implementation(Dependencies.jsoup)
-    implementation(Dependencies.jacksonModule)
+    implementation(Dependencies.Hilt)
+    implementation(Dependencies.Orbit)
+    implementation(Dependencies.Jsoup)
     implementation(Dependencies.LandscapistCoil) {
         exclude(group = "androidx.appcompat", module = "appcompat")
         exclude(group = "androidx.appcompat", module = "appcompat-resources")
@@ -77,19 +77,19 @@ dependencies {
 
     implementation(project(":core"))
     implementation(project(":common"))
-    implementation(project(":data-github"))
     implementation(project(":data-kaven"))
-    implementation(project(":domain-github"))
+    implementation(project(":data-github"))
     implementation(project(":domain-kaven"))
+    implementation(project(":domain-github"))
 
-    Dependencies.ui.forEach(::implementation)
-    Dependencies.util.forEach(::implementation)
-    Dependencies.compose.forEach(::implementation)
-    Dependencies.retrofit.forEach(::implementation)
-    Dependencies.retrofitutil.forEach(::implementation)
+    Dependencies.Ui.forEach(::implementation)
+    Dependencies.Util.forEach(::implementation)
+    Dependencies.Jackson.forEach(::implementation)
+    Dependencies.Compose.forEach(::implementation)
+    Dependencies.Retrofit.forEach(::implementation)
+    Dependencies.RetrofitUtil.forEach(::implementation)
 
-    Dependencies.debug.forEach(::debugImplementation)
-    Dependencies.release.forEach(::releaseImplementation)
+    Dependencies.Debug.forEach(::debugImplementation)
 
-    kapt(Dependencies.hiltCompiler)
+    kapt(Dependencies.HiltCompiler)
 }
diff --git a/presentation/src/main/AndroidManifest.xml b/presentation/src/main/AndroidManifest.xml
index be8ec693..178cb174 100644
--- a/presentation/src/main/AndroidManifest.xml
+++ b/presentation/src/main/AndroidManifest.xml
@@ -9,12 +9,12 @@
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
-    package="io.github.jisungbin.gitmessengerbot"
-    tools:ignore="ScopedStorage">
+    package="io.github.jisungbin.gitmessengerbot">
 
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
-    <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE"
+        tools:ignore="ScopedStorage" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
@@ -44,10 +44,12 @@
             android:name=".activity.splash.SplashActivity"
             android:exported="true"
             android:theme="@style/Theme.GitMessengerBot.Splash">
+
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
+
         </activity>
 
         <activity
@@ -65,6 +67,7 @@
                     android:host="authorize"
                     android:scheme="gmb" />
             </intent-filter>
+
         </activity>
 
         <activity
@@ -73,9 +76,9 @@
 
         <activity android:name=".activity.editor.js.JsEditorActivity" />
         <activity android:name=".activity.editor.simple.SimpleEditorActivity" />
-        <activity android:name=".ui.imageviewer.ImageViewActivity" />
         <activity android:name=".activity.debug.DebugActivty" />
         <activity android:name=".activity.exception.ExceptionActivity" />
+        <activity android:name=".ui.imageviewer.ImageViewActivity" />
         <activity android:name=".test.TestActivity" />
 
         <service
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/BuildOption.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/BuildOption.kt
index ac213ff9..e92257f2 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/BuildOption.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/BuildOption.kt
@@ -10,5 +10,5 @@
 package io.github.jisungbin.gitmessengerbot
 
 object BuildOption {
-    const val TestMode = true
+    const val TestMode = false
 }
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/GitMessengerBot.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/GitMessengerBot.kt
index 78d8eb15..2e4b8c3f 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/GitMessengerBot.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/GitMessengerBot.kt
@@ -10,18 +10,14 @@
 package io.github.jisungbin.gitmessengerbot
 
 import android.app.Application
-import android.os.Process
 import com.mocklets.pluto.Pluto
-import com.mocklets.pluto.PlutoLog
-import com.mocklets.pluto.modules.exceptions.ANRException
-import com.mocklets.pluto.modules.exceptions.ANRListener
 import dagger.hilt.android.HiltAndroidApp
+import io.github.jisungbin.erratum.Erratum
 import io.github.jisungbin.gitmessengerbot.common.core.NotificationUtil
+import io.github.jisungbin.logeukes.Logeukes
 import io.github.sungbin.gitmessengerbot.core.bot.Bot
 import io.github.sungbin.gitmessengerbot.core.bot.debug.DebugStore
 import io.github.sungbin.gitmessengerbot.core.setting.AppConfig
-import kotlin.system.exitProcess
-import timber.log.Timber
 
 @HiltAndroidApp
 class GitMessengerBot : Application() {
@@ -29,7 +25,7 @@ class GitMessengerBot : Application() {
         super.onCreate()
 
         if (BuildConfig.DEBUG) {
-            Timber.plant(Timber.DebugTree())
+            Logeukes.setup()
         }
 
         NotificationUtil.createChannel(
@@ -43,17 +39,6 @@ class GitMessengerBot : Application() {
         DebugStore.items
 
         Pluto.initialize(applicationContext)
-        Pluto.setANRListener(object : ANRListener {
-            override fun onAppNotResponding(exception: ANRException) {
-                exception.printStackTrace()
-                PlutoLog.e("ANR", exception.threadStateMap)
-            }
-        })
-
-        Thread.setDefaultUncaughtExceptionHandler { thread, throwable ->
-            Timber.i("Catched Exception") // TODO: 데이터 저장 했다가 다음에 실행됐을 때 보여주기
-            Process.killProcess(Process.myPid())
-            exitProcess(10)
-        }
+        Erratum.setup(this)
     }
 }
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/debug/DebugActivty.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/debug/DebugActivty.kt
index 9cfb7e9d..0cc47c8c 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/debug/DebugActivty.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/debug/DebugActivty.kt
@@ -12,7 +12,7 @@ package io.github.jisungbin.gitmessengerbot.activity.debug
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
-import io.github.jisungbin.gitmessengerbot.common.config.IntentConfig
+import io.github.jisungbin.gitmessengerbot.common.constant.IntentConstant
 import io.github.jisungbin.gitmessengerbot.common.exception.PresentationException
 import io.github.jisungbin.gitmessengerbot.theme.MaterialTheme
 import io.github.jisungbin.gitmessengerbot.theme.SystemUiController
@@ -24,11 +24,11 @@ class DebugActivty : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        val scriptId = intent.getIntExtra(IntentConfig.DebugScriptId, -1)
+        val scriptId = intent.getIntExtra(IntentConstant.DebugScriptId, -1)
         val script = try {
             Bot.getAllScripts().first { it.id == scriptId }
         } catch (exception: Exception) {
-            throw PresentationException("DebugItem script it not exist. (${exception.message})")
+            throw PresentationException("$scriptId 아이디를 가진 DebugItem 스크립트가 존재하지 않아요. (${exception.message})")
         }
 
         SystemUiController(window).run {
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/debug/debug.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/debug/debug.kt
index 0d20d91d..0e43b6c6 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/debug/debug.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/debug/debug.kt
@@ -40,8 +40,8 @@ import androidx.compose.material.TextField
 import androidx.compose.material.TopAppBar
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
@@ -61,7 +61,7 @@ import androidx.constraintlayout.compose.ConstraintLayout
 import androidx.constraintlayout.compose.Dimension
 import gun0912.tedkeyboardobserver.TedKeyboardObserver
 import io.github.jisungbin.gitmessengerbot.R
-import io.github.jisungbin.gitmessengerbot.common.config.ScriptConfig
+import io.github.jisungbin.gitmessengerbot.common.constant.ScriptConstant
 import io.github.jisungbin.gitmessengerbot.common.core.Util
 import io.github.jisungbin.gitmessengerbot.common.extension.toast
 import io.github.jisungbin.gitmessengerbot.theme.colors
@@ -77,14 +77,14 @@ import io.github.sungbin.gitmessengerbot.core.bot.debug.getByScriptId
 import io.github.sungbin.gitmessengerbot.core.bot.debug.sortedByTime
 import io.github.sungbin.gitmessengerbot.core.bot.script.ScriptItem
 import io.github.sungbin.gitmessengerbot.core.setting.AppConfig
-import kotlinx.coroutines.launch
 import java.text.SimpleDateFormat
 import java.util.Date
 import java.util.Locale
+import kotlinx.coroutines.launch
 
 @Composable
 fun Debug(activity: Activity, script: ScriptItem? = null) {
-    val app by AppConfig.app.observeAsState(AppConfig.appValue)
+    val app by AppConfig.app.collectAsState()
     val settingDialogVisible = remember { mutableStateOf(false) }
 
     Scaffold(
@@ -281,17 +281,17 @@ private fun DebugContent(
         val coroutineScope = rememberCoroutineScope()
         var inputField by remember { mutableStateOf(TextFieldValue()) }
 
-        var items = DebugStore.items.observeAsState(DebugStore.itemsValue).value
+        var items = DebugStore.items.collectAsState().value
         val debugId: Int
 
         when {
             evalMode -> {
-                items = items.getByScriptId(ScriptConfig.EvalId)
-                debugId = ScriptConfig.EvalId
+                items = items.getByScriptId(ScriptConstant.EvalId)
+                debugId = ScriptConstant.EvalId
             }
             script == null -> {
-                items = items.filterNot { it.scriptId == ScriptConfig.EvalId }
-                debugId = ScriptConfig.DebugAllBot
+                items = items.filterNot { it.scriptId == ScriptConstant.EvalId }
+                debugId = ScriptConstant.DebugAllBot
             }
             else -> {
                 items = items.getByScriptId(script.id)
@@ -356,7 +356,7 @@ private fun DebugContent(
                             evalMode -> {
                                 Bot.callJsResponder(
                                     script = ScriptItem(
-                                        id = ScriptConfig.EvalId,
+                                        id = ScriptConstant.EvalId,
                                         name = "",
                                         lang = 0,
                                         power = false,
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/CommitList.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/CommitHistory.kt
similarity index 98%
rename from presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/CommitList.kt
rename to presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/CommitHistory.kt
index 74489cc0..7da639f9 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/CommitList.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/CommitHistory.kt
@@ -45,7 +45,7 @@ data class CommitHistoryItem(
 
 @OptIn(ExperimentalMaterialApi::class)
 @Composable
-fun CommitList(modifier: Modifier, items: List<CommitHistoryItem>) {
+fun CommitHistory(modifier: Modifier, items: List<CommitHistoryItem>) {
     val context = LocalContext.current
 
     TimeLine(
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/JsEditorActivity.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/JsEditorActivity.kt
index 796ab394..b89ff6bd 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/JsEditorActivity.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/JsEditorActivity.kt
@@ -16,7 +16,7 @@ import androidx.compose.material.rememberScaffoldState
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.graphics.Color
 import dagger.hilt.android.AndroidEntryPoint
-import io.github.jisungbin.gitmessengerbot.common.config.IntentConfig
+import io.github.jisungbin.gitmessengerbot.common.constant.IntentConstant
 import io.github.jisungbin.gitmessengerbot.common.exception.PresentationException
 import io.github.jisungbin.gitmessengerbot.theme.MaterialTheme
 import io.github.jisungbin.gitmessengerbot.theme.SystemUiController
@@ -27,7 +27,7 @@ import kotlinx.coroutines.launch
 @AndroidEntryPoint
 class JsEditorActivity : ComponentActivity() {
 
-    private lateinit var onBackPressedAction: () -> Unit
+    private var onBackPressedAction: (() -> Unit)? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -37,7 +37,7 @@ class JsEditorActivity : ComponentActivity() {
             setNavigationBarColor(Color.White)
         }
 
-        val scriptId = intent.getIntExtra(IntentConfig.ScriptId, -1)
+        val scriptId = intent.getIntExtra(IntentConstant.ScriptId, -1)
 
         setContent {
             MaterialTheme {
@@ -57,7 +57,7 @@ class JsEditorActivity : ComponentActivity() {
                 val script = try {
                     Bot.getAllScripts().first { it.id == scriptId }
                 } catch (exception: Exception) {
-                    throw PresentationException("Script it not exist. (${exception.message})")
+                    throw PresentationException("$scriptId 스크립트가 존재하지 않아요. (${exception.message})")
                 }
 
                 Editor(
@@ -69,10 +69,6 @@ class JsEditorActivity : ComponentActivity() {
     }
 
     override fun onBackPressed() {
-        if (::onBackPressedAction.isInitialized) {
-            onBackPressedAction()
-        } else {
-            super.onBackPressed()
-        }
+        onBackPressedAction?.invoke() ?: super.onBackPressed()
     }
 }
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/JsEditorViewModel.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/JsEditorViewModel.kt
index 6ca70f57..0743f1d0 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/JsEditorViewModel.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/JsEditorViewModel.kt
@@ -10,8 +10,14 @@
 package io.github.jisungbin.gitmessengerbot.activity.editor.js
 
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
-import io.github.jisungbin.gitmessengerbot.domain.github.doWhen
+import io.github.jisungbin.gitmessengerbot.activity.editor.js.mvi.MviJsEditorSideEffect
+import io.github.jisungbin.gitmessengerbot.activity.editor.js.mvi.MviJsEditorState
+import io.github.jisungbin.gitmessengerbot.activity.editor.js.mvi.MviJsEditorSuccessType
+import io.github.jisungbin.gitmessengerbot.common.core.Web
+import io.github.jisungbin.gitmessengerbot.common.extension.doWhen
+import io.github.jisungbin.gitmessengerbot.common.extension.toException
 import io.github.jisungbin.gitmessengerbot.domain.github.model.repo.GithubFile
 import io.github.jisungbin.gitmessengerbot.domain.github.model.repo.GithubRepo
 import io.github.jisungbin.gitmessengerbot.domain.github.usecase.GetCommitContentUseCase
@@ -19,17 +25,17 @@ import io.github.jisungbin.gitmessengerbot.domain.github.usecase.GetCommitHistor
 import io.github.jisungbin.gitmessengerbot.domain.github.usecase.GithubCreateRepoUseCase
 import io.github.jisungbin.gitmessengerbot.domain.github.usecase.GithubGetFileContentUseCase
 import io.github.jisungbin.gitmessengerbot.domain.github.usecase.GithubUpdateFileUseCase
-import io.github.jisungbin.gitmessengerbot.util.RequestResult
+import javax.inject.Inject
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.async
-import kotlinx.coroutines.channels.awaitClose
 import kotlinx.coroutines.coroutineScope
-import kotlinx.coroutines.flow.callbackFlow
-import kotlinx.coroutines.flow.collect
-import org.json.JSONObject
+import kotlinx.coroutines.launch
 import org.jsoup.Jsoup
-import javax.inject.Inject
+import org.orbitmvi.orbit.ContainerHost
+import org.orbitmvi.orbit.syntax.simple.intent
+import org.orbitmvi.orbit.syntax.simple.postSideEffect
+import org.orbitmvi.orbit.syntax.simple.reduce
+import org.orbitmvi.orbit.viewmodel.container
 
 @HiltViewModel
 class JsEditorViewModel @Inject constructor(
@@ -38,108 +44,208 @@ class JsEditorViewModel @Inject constructor(
     private val githubCreateRepoUseCase: GithubCreateRepoUseCase,
     private val getCommitHistoryUseCase: GetCommitHistoryUseCase,
     private val getCommitContentUseCase: GetCommitContentUseCase,
-) : ViewModel() {
+) : ContainerHost<MviJsEditorState, MviJsEditorSideEffect>, ViewModel() {
+
+    override val container = container<MviJsEditorState, MviJsEditorSideEffect>(MviJsEditorState())
 
-    private sealed class BeautifyType {
-        object Minify : BeautifyType()
-        object Pretty : BeautifyType()
+    private enum class BeautifyType(val apiAddress: String) {
+        Minify("https://javascript-minifier.com/raw"),
+        Pretty("https://amp.prettifyjs.net")
     }
 
-    private fun codeBeautify(beautifyType: BeautifyType, code: String) =
-        Jsoup.connect(if (beautifyType == BeautifyType.Minify) "https://javascript-minifier.com/raw" else "https://amp.prettifyjs.net")
-            .ignoreContentType(true)
-            .ignoreHttpErrors(true)
-            .data("input", code)
-            .post()
-            .wholeText()
+    private suspend fun codeBeautify(beautifyType: BeautifyType, code: String) = coroutineScope {
+        async(Dispatchers.IO) {
+            Jsoup.connect(beautifyType.apiAddress)
+                .ignoreContentType(true)
+                .ignoreHttpErrors(true)
+                .data("input", code)
+                .post()
+                .wholeText()
+        }
+    }.await()
 
-    @OptIn(ExperimentalCoroutinesApi::class)
-    suspend fun githubCreateRepo(
+    fun githubCreateRepo(
         path: String,
         githubRepo: GithubRepo,
         githubFile: GithubFile,
-    ) = callbackFlow {
-        githubCreateRepoUseCase(githubRepo).collect { repoCreateResult ->
-            repoCreateResult.doWhen(
-                onSuccess = {
-                    githubUpdateFileUseCase(
-                        githubRepo.name,
-                        path,
-                        githubFile
-                    ).collect { updateFileResult ->
-                        updateFileResult.doWhen(
-                            onSuccess = {
-                                trySend(RequestResult.Success(Unit))
-                            },
-                            onFail = { exception ->
-                                trySend(RequestResult.Fail(exception))
-                            }
-                        )
+    ) = intent {
+        githubCreateRepoUseCase(
+            githubRepoarameter = githubRepo,
+            coroutineScope = viewModelScope
+        ).doWhen(
+            onSuccess = {
+                githubUpdateFileUseCase(
+                    repoName = githubRepo.name,
+                    path = path,
+                    githubFile = githubFile,
+                    coroutineScope = viewModelScope
+                ).doWhen(
+                    onSuccess = {
+                        reduce {
+                            state.copy(
+                                loaded = true,
+                                exception = null,
+                                successType = MviJsEditorSuccessType.GithubCreateRepo
+                            )
+                        }
+                    },
+                    onFailure = { throwable ->
+                        reduce {
+                            state.copy(exception = throwable.toException())
+                        }
                     }
-                },
-                onFail = { exception ->
-                    trySend(RequestResult.Fail(exception))
+                )
+            },
+            onFailure = { throwable ->
+                reduce {
+                    state.copy(exception = throwable.toException())
                 }
-            )
-        }
+            }
+        )
+    }
+
+    fun githubUpdateProject(repoName: String, path: String, branch: String) = intent {
+        githubGetFileContentUseCase(
+            repoName = repoName,
+            path = path,
+            branch = branch,
+            coroutineScope = viewModelScope
+        ).doWhen(
+            onSuccess = { fileContent ->
+                postSideEffect(MviJsEditorSideEffect.UpdateCodeField(Web.parse(fileContent.downloadUrl)))
+                reduce {
+                    state.copy(
+                        loaded = true,
+                        exception = null,
+                        successType = MviJsEditorSuccessType.GithubUpdateProject
+                    )
+                }
+            },
+            onFailure = { throwable ->
+                reduce {
+                    state.copy(exception = throwable.toException())
+                }
+            }
+        )
+    }
 
-        awaitClose { close() }
+    fun githubCommitAndPush(repoName: String, path: String, githubFile: GithubFile) = intent {
+        githubGetFileContentUseCase(
+            repoName = repoName,
+            path = path,
+            branch = githubFile.branch,
+            coroutineScope = viewModelScope
+        ).doWhen(
+            onSuccess = { fileContent ->
+                githubUpdateFileUseCase(
+                    repoName = repoName,
+                    path = path,
+                    githubFile = githubFile.copy(sha = fileContent.sha),
+                    coroutineScope = viewModelScope
+                ).doWhen(
+                    onSuccess = {
+                        reduce {
+                            state.copy(
+                                loaded = true,
+                                exception = null,
+                                successType = MviJsEditorSuccessType.GithubCommitAndPush
+                            )
+                        }
+                    },
+                    onFailure = { throwable ->
+                        reduce {
+                            state.copy(exception = throwable.toException())
+                        }
+                    }
+                )
+            },
+            onFailure = { throwable ->
+                reduce {
+                    state.copy(exception = throwable.toException())
+                }
+            }
+        )
     }
 
-    suspend fun githubGetFileContent(repoName: String, path: String, branch: String) =
-        githubGetFileContentUseCase(repoName, path, branch)
+    fun loadCommitHistory(userName: String, repoName: String) = intent {
+        val commitHistory = mutableListOf<CommitHistoryItem>()
 
-    @OptIn(ExperimentalCoroutinesApi::class)
-    suspend fun githubCommitAndPush(repoName: String, path: String, githubFile: GithubFile) =
-        callbackFlow {
-            githubGetFileContent(
-                repoName = repoName,
-                path = path,
-                branch = githubFile.branch
-            ).collect { fileContentResult ->
-                fileContentResult.doWhen(
-                    onSuccess = { fileContent ->
-                        githubUpdateFileUseCase(
-                            repoName,
-                            path,
-                            githubFile.copy(sha = fileContent.sha)
-                        ).collect { updateFileResult ->
-                            updateFileResult.doWhen(
-                                onSuccess = {
-                                    trySend(RequestResult.Success(Unit))
+        coroutineScope {
+            launch {
+                getCommitHistoryUseCase(
+                    owner = userName,
+                    repoName = repoName,
+                    coroutineScope = viewModelScope
+                ).doWhen(
+                    onSuccess = { commitLists ->
+                        commitLists.value.forEach { commitList ->
+                            getCommitContentUseCase(
+                                owner = userName,
+                                repoName = repoName,
+                                sha = commitList.sha,
+                                coroutineScope = viewModelScope
+                            ).doWhen(
+                                onSuccess = { commitContents ->
+                                    commitContents.value.forEach { commitContentItem ->
+                                        commitHistory.add(
+                                            CommitHistoryItem(
+                                                key = commitList,
+                                                items = commitContentItem
+                                            )
+                                        )
+                                    }
                                 },
-                                onFail = { exception ->
-                                    trySend(RequestResult.Fail(exception))
+                                onFailure = { throwable ->
+                                    reduce {
+                                        state.copy(exception = throwable.toException())
+                                    }
                                 }
                             )
                         }
                     },
-                    onFail = { exception ->
-                        trySend(RequestResult.Fail(exception))
+                    onFailure = { throwable ->
+                        reduce {
+                            state.copy(exception = throwable.toException())
+                        }
                     }
                 )
+            }.join()
+            postSideEffect(MviJsEditorSideEffect.UpdateCommitHistoryItems(commitHistory))
+            reduce {
+                state.copy(
+                    loaded = true,
+                    exception = null,
+                    successType = MviJsEditorSuccessType.None
+                )
             }
-
-            awaitClose { close() }
         }
+    }
 
-    suspend fun getCommitHistory(ownerName: String, repoName: String) =
-        getCommitHistoryUseCase(ownerName, repoName)
-
-    suspend fun getCommitContent(ownerName: String, repoName: String, sha: String) =
-        getCommitContentUseCase(
-            ownerName,
-            repoName,
-            sha
+    fun codeMinify(code: String) = intent {
+        postSideEffect(
+            MviJsEditorSideEffect.UpdateCodeField(
+                codeBeautify(
+                    beautifyType = BeautifyType.Minify,
+                    code = code
+                )
+            )
         )
+        reduce {
+            state.copy(loaded = true, exception = null, successType = MviJsEditorSuccessType.None)
+        }
+    }
 
-    suspend fun codeMinify(code: String): String = coroutineScope {
-        async(Dispatchers.IO) { codeBeautify(BeautifyType.Minify, code) }
-    }.await()
-
-    suspend fun codePretty(code: String): String = coroutineScope {
-        async(Dispatchers.IO) {
-            JSONObject(codeBeautify(BeautifyType.Pretty, code)).getString("output")
+    fun codePretty(code: String) = intent {
+        postSideEffect(
+            MviJsEditorSideEffect.UpdateCodeField(
+                codeBeautify(
+                    beautifyType = BeautifyType.Pretty,
+                    code = code
+                )
+            )
+        )
+        reduce {
+            state.copy(loaded = true, exception = null, successType = MviJsEditorSuccessType.None)
         }
-    }.await()
+    }
 }
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/editor.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/editor.kt
index 14e94765..4a141593 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/editor.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/editor.kt
@@ -22,7 +22,6 @@ import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.wrapContentHeight
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.shape.RoundedCornerShape
@@ -33,7 +32,7 @@ import androidx.compose.material.ScaffoldState
 import androidx.compose.material.Text
 import androidx.compose.material.TextField
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
@@ -43,26 +42,24 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalLifecycleOwner
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.TextStyle
 import androidx.compose.ui.text.font.Font
 import androidx.compose.ui.text.font.FontFamily
-import androidx.compose.ui.text.input.TextFieldValue
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.constraintlayout.compose.ConstraintLayout
 import androidx.constraintlayout.compose.Dimension
 import androidx.lifecycle.viewmodel.compose.viewModel
-import com.airbnb.lottie.compose.LottieAnimation
-import com.airbnb.lottie.compose.LottieCompositionSpec
-import com.airbnb.lottie.compose.LottieConstants
-import com.airbnb.lottie.compose.rememberLottieComposition
 import io.github.jisungbin.gitmessengerbot.R
-import io.github.jisungbin.gitmessengerbot.common.config.GithubConfig
+import io.github.jisungbin.gitmessengerbot.activity.editor.js.mvi.MviJsEditorSideEffect
+import io.github.jisungbin.gitmessengerbot.activity.editor.js.mvi.MviJsEditorState
+import io.github.jisungbin.gitmessengerbot.activity.editor.js.mvi.MviJsEditorSuccessType
+import io.github.jisungbin.gitmessengerbot.common.constant.GithubConstant
 import io.github.jisungbin.gitmessengerbot.common.core.Storage
-import io.github.jisungbin.gitmessengerbot.common.core.Web
 import io.github.jisungbin.gitmessengerbot.common.exception.PresentationException
 import io.github.jisungbin.gitmessengerbot.common.extension.runIf
 import io.github.jisungbin.gitmessengerbot.common.extension.toBase64
@@ -70,43 +67,60 @@ import io.github.jisungbin.gitmessengerbot.common.extension.toModel
 import io.github.jisungbin.gitmessengerbot.common.extension.toast
 import io.github.jisungbin.gitmessengerbot.common.script.ScriptLang
 import io.github.jisungbin.gitmessengerbot.common.script.getScriptSuffix
-import io.github.jisungbin.gitmessengerbot.domain.github.doWhen
 import io.github.jisungbin.gitmessengerbot.domain.github.model.repo.GithubFile
 import io.github.jisungbin.gitmessengerbot.domain.github.model.repo.GithubRepo
 import io.github.jisungbin.gitmessengerbot.domain.github.model.user.GithubData
 import io.github.jisungbin.gitmessengerbot.theme.colors
 import io.github.jisungbin.gitmessengerbot.theme.transparentTextFieldColors
-import io.github.jisungbin.gitmessengerbot.ui.exception.showExceptionDialog
-import io.github.jisungbin.gitmessengerbot.util.doWhen
+import io.github.jisungbin.gitmessengerbot.ui.exception.ExceptionDialog
 import io.github.sungbin.gitmessengerbot.core.bot.Bot
 import io.github.sungbin.gitmessengerbot.core.bot.script.ScriptItem
 import io.github.sungbin.gitmessengerbot.core.setting.AppConfig
 import kotlinx.coroutines.InternalCoroutinesApi
-import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.launch
-import timber.log.Timber
-
-private sealed class CommitListVisible {
-    object Hide : CommitListVisible()
-    object Loading : CommitListVisible()
-    data class Show(val history: List<CommitHistoryItem>) : CommitListVisible()
-
-    val visible get() = this is Show
-}
+import org.orbitmvi.orbit.viewmodel.observe
 
 @Composable
 fun Editor(script: ScriptItem, scaffoldState: ScaffoldState) {
-    val codeField = remember { mutableStateOf(TextFieldValue(script.getCode())) }
-    val undoStack = remember { mutableStateOf("") }
+    val vm: JsEditorViewModel = viewModel()
+    val context = LocalContext.current
+    val lifeCycle = LocalLifecycleOwner.current
+    var codeField by remember { mutableStateOf(script.getCode()) }
+    var undoStack by remember { mutableStateOf("") }
+    val exception = remember { mutableStateOf<Exception?>(null) }
+    val commitHistoryItems = remember { mutableListOf<CommitHistoryItem>() }
+
+    ExceptionDialog(exception = exception)
+    LaunchedEffect(vm) {
+        vm.observe(
+            lifecycleOwner = lifeCycle,
+            state = { state ->
+                handleState(
+                    state = state,
+                    toast = { stringRes -> toast(context, context.getString(stringRes)) },
+                    onExceptionChanged = { _exception -> exception.value = _exception }
+                )
+            },
+            sideEffect = { sideEffect ->
+                handleSideEffect(
+                    sideEffect = sideEffect,
+                    codeFieldChanged = { code -> codeField = code },
+                    commitHistoryItemsChanged = { items -> commitHistoryItems.addAll(items) }
+                )
+            }
+        )
+    }
 
     Scaffold(
         modifier = Modifier.fillMaxSize(),
         topBar = {
             ToolBar(
                 script = script,
-                codeField = codeField,
                 scaffoldState = scaffoldState,
-                undoStack = undoStack
+                codeField = codeField,
+                codeFieldChanged = { code -> codeField = code },
+                undoStack = undoStack,
+                clearUndoStack = { undoStack = "" },
             )
         },
         scaffoldState = scaffoldState,
@@ -114,14 +128,15 @@ fun Editor(script: ScriptItem, scaffoldState: ScaffoldState) {
             DrawerLayout(
                 script = script,
                 codeField = codeField,
-                undoStack = undoStack
+                undoStackChanged = { code -> undoStack = code },
+                commitHistoryItems = commitHistoryItems
             )
         },
         drawerShape = RoundedCornerShape(topEnd = 30.dp, bottomEnd = 30.dp)
     ) {
         TextField(
-            value = codeField.value,
-            onValueChange = { codeField.value = it },
+            value = codeField,
+            onValueChange = { code -> codeField = code },
             modifier = Modifier
                 .fillMaxSize()
                 .runIf(AppConfig.appValue.editorHorizontalScroll) {
@@ -133,35 +148,78 @@ fun Editor(script: ScriptItem, scaffoldState: ScaffoldState) {
     }
 }
 
+private inline fun handleState(
+    state: MviJsEditorState,
+    toast: (Int) -> Unit,
+    onExceptionChanged: (Exception) -> Unit
+) {
+    if (!state.isException()) {
+        if (state.loaded) {
+            when (state.successType) {
+                MviJsEditorSuccessType.None -> {
+                }
+                MviJsEditorSuccessType.GithubCreateRepo -> {
+                    toast(R.string.composable_editor_toast_repo_create_success)
+                }
+                MviJsEditorSuccessType.GithubUpdateProject -> {
+                    toast(R.string.composable_editor_toast_file_update_success)
+                }
+                MviJsEditorSuccessType.GithubCommitAndPush -> {
+                    toast(R.string.composable_editor_toast_commit_success)
+                }
+            }
+        }
+    } else {
+        onExceptionChanged(state.exception!!)
+    }
+}
+
+private inline fun handleSideEffect(
+    sideEffect: MviJsEditorSideEffect,
+    codeFieldChanged: (String) -> Unit,
+    commitHistoryItemsChanged: (List<CommitHistoryItem>) -> Unit
+) {
+    when (sideEffect) {
+        is MviJsEditorSideEffect.UpdateCodeField -> {
+            codeFieldChanged(sideEffect.code)
+        }
+        is MviJsEditorSideEffect.UpdateCommitHistoryItems -> {
+            commitHistoryItemsChanged(sideEffect.commitHistoryItems)
+        }
+    }
+}
+
 @OptIn(InternalCoroutinesApi::class)
 @Composable
 private fun DrawerLayout(
     script: ScriptItem,
-    codeField: MutableState<TextFieldValue>,
-    undoStack: MutableState<String>,
+    codeField: String,
+    undoStackChanged: (String) -> Unit,
+    commitHistoryItems: List<CommitHistoryItem>
 ) {
     val vm: JsEditorViewModel = viewModel()
-    val context = LocalContext.current
-    val coroutineScope = rememberCoroutineScope()
 
     val repoName = script.name
-    val gitUser: GithubData = Storage.read(GithubConfig.DataPath, null)?.toModel()
-        ?: throw PresentationException("GithubConfig.DataPath data value is null.")
+    val gitUser: GithubData = Storage.read(GithubConstant.DataPath, null)?.toModel()
+        ?: throw PresentationException("GithubConfig.DataPath 데이터가 null 이에요.")
     val repoPath = "script.${script.lang.getScriptSuffix()}"
-    val repoDescription = GithubConfig.DefaultRepoDescription // TODO
+    val repoDescription = GithubConstant.DefaultRepoDescription // TODO
     val repoBranch = AppConfig.appValue.gitDefaultBranch // TODO
     val repo = GithubRepo(name = repoName, description = repoDescription)
 
-    val commitHistory = remember { mutableListOf<CommitHistoryItem>() }
-    var commitListVisible by remember { mutableStateOf<CommitListVisible>(CommitListVisible.Hide) }
+    var commitHistoryVisible by remember { mutableStateOf(false) }
     val commitMessage = AppConfig.appValue.gitDefaultCommitMessage // TODO
     val githubFile = GithubFile(
         message = commitMessage,
-        content = codeField.value.text.toBase64(),
+        content = codeField.toBase64(),
         sha = "",
         branch = repoBranch
     )
 
+    LaunchedEffect(vm) {
+        vm.loadCommitHistory(userName = gitUser.userName, repoName = repoName)
+    }
+
     Column(
         modifier = Modifier
             .fillMaxSize()
@@ -183,25 +241,11 @@ private fun DrawerLayout(
                 .fillMaxWidth()
                 .padding(top = 10.dp),
             onClick = {
-                coroutineScope.launch {
-                    vm.githubCreateRepo(
-                        path = repoPath,
-                        githubRepo = repo,
-                        githubFile = githubFile
-                    ).collect { createRepoResult ->
-                        createRepoResult.doWhen(
-                            onSuccess = {
-                                toast(
-                                    context,
-                                    context.getString(R.string.composable_editor_toast_repo_create_success)
-                                )
-                            },
-                            onFail = { exception ->
-                                showExceptionDialog(exception)
-                            }
-                        )
-                    }
-                }
+                vm.githubCreateRepo(
+                    path = repoPath,
+                    githubRepo = repo,
+                    githubFile = githubFile
+                )
             }
         ) {
             Text(text = stringResource(R.string.composable_editor_drawer_create_repo, script.name))
@@ -211,25 +255,11 @@ private fun DrawerLayout(
                 .fillMaxWidth()
                 .padding(top = 8.dp),
             onClick = {
-                coroutineScope.launch {
-                    vm.githubCommitAndPush(
-                        repoName = repoName,
-                        path = repoPath,
-                        githubFile = githubFile
-                    ).collect { commitAndPushResult ->
-                        commitAndPushResult.doWhen(
-                            onSuccess = {
-                                toast(
-                                    context,
-                                    context.getString(R.string.composable_editor_toast_commit_success)
-                                )
-                            },
-                            onFail = { exception ->
-                                showExceptionDialog(exception)
-                            }
-                        )
-                    }
-                }
+                vm.githubCommitAndPush(
+                    repoName = repoName,
+                    path = repoPath,
+                    githubFile = githubFile
+                )
             }
         ) {
             Text(text = stringResource(R.string.composable_editor_drawer_commit_and_push))
@@ -239,26 +269,11 @@ private fun DrawerLayout(
                 .fillMaxWidth()
                 .padding(top = 8.dp),
             onClick = {
-                coroutineScope.launch {
-                    vm.githubGetFileContent(
-                        repoName = repoName,
-                        path = repoPath,
-                        branch = repoBranch
-                    ).collect { fileContentResult ->
-                        fileContentResult.doWhen(
-                            onSuccess = { fileContent ->
-                                codeField.value = TextFieldValue(Web.parse(fileContent.downloadUrl))
-                                toast(
-                                    context,
-                                    context.getString(R.string.composable_editor_toast_file_update_success)
-                                )
-                            },
-                            onFail = { exception ->
-                                showExceptionDialog(exception)
-                            }
-                        )
-                    }
-                }
+                vm.githubUpdateProject(
+                    repoName = repoName,
+                    path = repoPath,
+                    branch = repoBranch
+                )
             }
         ) {
             Text(text = stringResource(R.string.composable_editor_drawer_update_project))
@@ -268,81 +283,17 @@ private fun DrawerLayout(
                 .fillMaxWidth()
                 .padding(top = 8.dp),
             onClick = {
-                if (commitListVisible.visible) {
-                    commitListVisible = CommitListVisible.Hide
-                } else {
-                    if (commitHistory.isEmpty()) {
-                        commitListVisible = CommitListVisible.Loading
-                        coroutineScope.launch {
-                            launch {
-                                vm.getCommitHistory(
-                                    ownerName = gitUser.userName,
-                                    repoName = repoName
-                                ).collect { commitListResult ->
-                                    commitListResult.doWhen(
-                                        onSuccess = { commitLists ->
-                                            commitLists.value.forEach { commitList ->
-                                                vm.getCommitContent(
-                                                    ownerName = gitUser.userName,
-                                                    repoName = repoName,
-                                                    sha = commitList.sha
-                                                ).collect { commitContentResult ->
-                                                    commitContentResult.doWhen(
-                                                        onSuccess = { commitContents ->
-                                                            commitContents.value.forEach { commitContentItem ->
-                                                                commitHistory.add(
-                                                                    CommitHistoryItem(
-                                                                        key = commitList,
-                                                                        items = commitContentItem
-                                                                    )
-                                                                )
-                                                            }
-                                                        },
-                                                        onFail = { exception ->
-                                                            Timber.e("ERROR: $exception")
-                                                        }
-                                                    )
-                                                }
-                                            }
-                                        },
-                                        onFail = { exception ->
-                                            Timber.e("ERROR2: $exception")
-                                        }
-                                    )
-                                }
-                            }.join()
-                            Timber.i("finished.")
-                            commitListVisible = CommitListVisible.Show(commitHistory)
-                        }
-                    } else {
-                        commitListVisible = CommitListVisible.Show(commitHistory)
-                    }
-                }
+                commitHistoryVisible = !commitHistoryVisible
             }
         ) {
             Text(text = stringResource(R.string.composable_editor_drawer_commit_history))
         }
-        Crossfade(commitListVisible) { commitHistoryLoading ->
-            when (commitHistoryLoading) {
-                is CommitListVisible.Hide -> Unit
-                is CommitListVisible.Loading -> {
-                    val composition by rememberLottieComposition(
-                        LottieCompositionSpec.RawRes(
-                            R.raw.loading
-                        )
-                    )
-                    LottieAnimation(
-                        iterations = LottieConstants.IterateForever,
-                        composition = composition,
-                        modifier = Modifier.size(200.dp)
-                    )
-                }
-                is CommitListVisible.Show -> {
-                    CommitList(
-                        modifier = Modifier.fillMaxSize(),
-                        items = commitHistoryLoading.history
-                    )
-                }
+        Crossfade(commitHistoryVisible) { visible ->
+            if (visible) {
+                CommitHistory(
+                    modifier = Modifier.fillMaxSize(),
+                    items = commitHistoryItems
+                )
             }
         }
     }
@@ -368,11 +319,8 @@ private fun DrawerLayout(
         ) {
             OutlinedButton(
                 onClick = {
-                    undoStack.value = codeField.value.text
-                    coroutineScope.launch {
-                        val minifyCode = vm.codeMinify(codeField.value.text)
-                        codeField.value = TextFieldValue(minifyCode)
-                    }
+                    undoStackChanged(codeField)
+                    vm.codeMinify(codeField)
                 },
                 modifier = Modifier
                     .weight(1f)
@@ -382,11 +330,8 @@ private fun DrawerLayout(
             }
             OutlinedButton(
                 onClick = {
-                    undoStack.value = codeField.value.text
-                    coroutineScope.launch {
-                        val prettyCode = vm.codePretty(codeField.value.text)
-                        codeField.value = TextFieldValue(prettyCode)
-                    }
+                    undoStackChanged(codeField)
+                    vm.codePretty(codeField)
                 },
                 modifier = Modifier
                     .weight(1f)
@@ -402,9 +347,11 @@ private fun DrawerLayout(
 @Composable
 private fun ToolBar(
     script: ScriptItem,
-    codeField: MutableState<TextFieldValue>,
     scaffoldState: ScaffoldState,
-    undoStack: MutableState<String>,
+    codeField: String,
+    codeFieldChanged: (String) -> Unit,
+    undoStack: String,
+    clearUndoStack: () -> Unit
 ) {
     val context = LocalContext.current
     val coroutineScope = rememberCoroutineScope()
@@ -455,7 +402,7 @@ private fun ToolBar(
                         context,
                         context.getString(R.string.composable_editor_toast_saved)
                     )
-                    Bot.scriptCodeSave(script, codeField.value.text)
+                    Bot.scriptCodeSave(script, codeField)
                 }
                 .constrainAs(save) {
                     end.linkTo(parent.end)
@@ -463,7 +410,7 @@ private fun ToolBar(
                 }
         )
         AnimatedVisibility(
-            visible = undoStack.value.isNotBlank(),
+            visible = undoStack.isNotBlank(),
             modifier = Modifier
                 .combinedClickable(
                     onClick = {
@@ -473,8 +420,8 @@ private fun ToolBar(
                         )
                     },
                     onLongClick = {
-                        codeField.value = TextFieldValue(undoStack.value)
-                        undoStack.value = ""
+                        codeFieldChanged(undoStack)
+                        clearUndoStack()
                     }
                 )
                 .constrainAs(undo) {
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/mvi/MviJsEditorSideEffect.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/mvi/MviJsEditorSideEffect.kt
new file mode 100644
index 00000000..fd9cdd66
--- /dev/null
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/mvi/MviJsEditorSideEffect.kt
@@ -0,0 +1,19 @@
+/*
+ * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
+ * GitMessengerBot license is under the GPL-3.0.
+ *
+ * [MviJsSideEffect.kt] created by Ji Sungbin on 21. 9. 23. 오후 7:31
+ *
+ * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
+ */
+
+package io.github.jisungbin.gitmessengerbot.activity.editor.js.mvi
+
+import io.github.jisungbin.gitmessengerbot.activity.editor.js.CommitHistoryItem
+import io.github.jisungbin.gitmessengerbot.mvi.MviToastSideEffect
+
+sealed class MviJsEditorSideEffect : MviToastSideEffect {
+    data class UpdateCodeField(val code: String) : MviJsEditorSideEffect()
+    data class UpdateCommitHistoryItems(val commitHistoryItems: List<CommitHistoryItem>) :
+        MviJsEditorSideEffect()
+}
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/mvi/MviJsEditorState.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/mvi/MviJsEditorState.kt
new file mode 100644
index 00000000..650b2642
--- /dev/null
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/mvi/MviJsEditorState.kt
@@ -0,0 +1,18 @@
+/*
+ * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
+ * GitMessengerBot license is under the GPL-3.0.
+ *
+ * [MviJsState.kt] created by Ji Sungbin on 21. 9. 23. 오후 7:31
+ *
+ * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
+ */
+
+package io.github.jisungbin.gitmessengerbot.activity.editor.js.mvi
+
+import io.github.jisungbin.gitmessengerbot.mvi.MviBaseState
+
+data class MviJsEditorState(
+    override val loaded: Boolean = false,
+    override val exception: Exception? = null,
+    val successType: MviJsEditorSuccessType = MviJsEditorSuccessType.None
+) : MviBaseState
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/mvi/MviJsEditorSuccessType.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/mvi/MviJsEditorSuccessType.kt
new file mode 100644
index 00000000..9f8c2fe3
--- /dev/null
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/editor/js/mvi/MviJsEditorSuccessType.kt
@@ -0,0 +1,14 @@
+/*
+ * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
+ * GitMessengerBot license is under the GPL-3.0.
+ *
+ * [MviJsSuccessType.kt] created by Ji Sungbin on 21. 9. 23. 오후 7:40
+ *
+ * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
+ */
+
+package io.github.jisungbin.gitmessengerbot.activity.editor.js.mvi
+
+enum class MviJsEditorSuccessType {
+    None, GithubCreateRepo, GithubUpdateProject, GithubCommitAndPush
+}
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/MainActivity.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/MainActivity.kt
index 95e34860..c1bf2959 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/MainActivity.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/MainActivity.kt
@@ -13,72 +13,65 @@ import android.content.Intent
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
-import androidx.compose.animation.AnimatedVisibility
-import androidx.compose.animation.Crossfade
-import androidx.compose.animation.ExperimentalAnimationApi
-import androidx.compose.animation.fadeIn
-import androidx.compose.animation.fadeOut
-import androidx.compose.foundation.background
-import androidx.compose.foundation.clickable
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.size
-import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.layout.wrapContentHeight
+import androidx.compose.material.BottomNavigation
+import androidx.compose.material.BottomNavigationItem
 import androidx.compose.material.ExperimentalMaterialApi
 import androidx.compose.material.Icon
-import androidx.compose.material.Surface
+import androidx.compose.material.Scaffold
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
-import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.painterResource
-import androidx.compose.ui.unit.dp
+import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.lifecycleScope
+import androidx.lifecycle.repeatOnLifecycle
+import androidx.navigation.NavDestination.Companion.hierarchy
+import androidx.navigation.NavGraph.Companion.findStartDestination
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.composable
+import androidx.navigation.compose.currentBackStackEntryAsState
+import androidx.navigation.compose.rememberNavController
 import io.github.jisungbin.gitmessengerbot.R
 import io.github.jisungbin.gitmessengerbot.activity.debug.Debug
 import io.github.jisungbin.gitmessengerbot.activity.main.dashboard.ScriptContent
 import io.github.jisungbin.gitmessengerbot.activity.main.setting.Setting
-import io.github.jisungbin.gitmessengerbot.common.config.ScriptConfig
-import io.github.jisungbin.gitmessengerbot.common.exception.PresentationException
+import io.github.jisungbin.gitmessengerbot.common.constant.ScriptConstant
+import io.github.jisungbin.gitmessengerbot.common.extension.doWhen
 import io.github.jisungbin.gitmessengerbot.common.extension.toast
 import io.github.jisungbin.gitmessengerbot.common.script.ScriptLang
 import io.github.jisungbin.gitmessengerbot.theme.MaterialTheme
 import io.github.jisungbin.gitmessengerbot.theme.SystemUiController
 import io.github.jisungbin.gitmessengerbot.theme.colors
-import io.github.jisungbin.gitmessengerbot.ui.exception.ExceptionDialog
-import io.github.jisungbin.gitmessengerbot.ui.exception.showExceptionDialog
 import io.github.sungbin.gitmessengerbot.core.bot.Bot
 import io.github.sungbin.gitmessengerbot.core.bot.script.ScriptItem
-import io.github.sungbin.gitmessengerbot.core.doWhen
 import io.github.sungbin.gitmessengerbot.core.service.BackgroundService
 import io.github.sungbin.gitmessengerbot.core.setting.AppConfig
 import kotlinx.coroutines.flow.collect
-import me.sungbin.fancybottombar.FancyBottomBar
-import me.sungbin.fancybottombar.FancyColors
-import me.sungbin.fancybottombar.FancyItem
 
 class MainActivity : ComponentActivity() {
 
     private var onBackPressedTime = 0L
-    private var tab by mutableStateOf(Tab.Script)
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        AppConfig.app.observe(this) { app ->
-            val botCoreService = Intent(this, BackgroundService::class.java)
-            if (app.power) {
-                startService(botCoreService)
-            } else {
-                stopService(botCoreService)
+        lifecycleScope.launchWhenCreated {
+            repeatOnLifecycle(Lifecycle.State.CREATED) {
+                AppConfig.app.collect { app ->
+                    val botCoreService = Intent(this@MainActivity, BackgroundService::class.java)
+                    if (app.power) {
+                        startService(botCoreService)
+                    } else {
+                        stopService(botCoreService)
+                    }
+                }
             }
         }
 
@@ -88,39 +81,36 @@ class MainActivity : ComponentActivity() {
         }
 
         lifecycleScope.launchWhenCreated {
-            if (AppConfig.canUseEval) {
+            if (AppConfig.evalUsable) {
                 Bot.compileScript(
                     applicationContext,
                     ScriptItem(
-                        id = ScriptConfig.EvalId,
+                        id = ScriptConstant.EvalId,
                         name = "",
                         lang = ScriptLang.JavaScript,
                         power = false,
                         compiled = false,
                         lastRun = ""
                     )
-                ).collect { compileResult ->
-                    compileResult.doWhen(
-                        onSuccess = {
-                            toast(getString(R.string.activity_main_toast_eval_loaded))
-                        },
-                        onFail = { exception ->
-                            toast(
-                                getString(
-                                    R.string.activity_main_toast_eval_load_fail,
-                                    exception.message
-                                )
+                ).doWhen(
+                    onSuccess = {
+                        toast(getString(R.string.activity_main_toast_eval_loaded))
+                    },
+                    onFailure = { exception ->
+                        toast(
+                            getString(
+                                R.string.activity_main_toast_eval_load_fail,
+                                exception.message
                             )
-                        }
-                    )
-                }
+                        )
+                    }
+                )
             }
         }
 
         setContent {
             MaterialTheme {
                 Content()
-                ExceptionDialog()
             }
         }
     }
@@ -128,74 +118,66 @@ class MainActivity : ComponentActivity() {
     @OptIn(ExperimentalMaterialApi::class)
     @Composable
     private fun Content() {
+        val navController = rememberNavController()
         val scriptAddDialogVisible = remember { mutableStateOf(false) }
 
-        Box(
-            modifier = Modifier
-                .fillMaxSize()
-                .background(colors.primary)
-        ) {
-            Crossfade(
-                targetState = tab,
-                modifier = Modifier
-                    .fillMaxSize()
-                    .padding(bottom = 60.dp)
-            ) { index ->
-                when (index) {
-                    Tab.Script -> ScriptContent(
-                        activity = this@MainActivity,
-                        scriptAddDialogVisible = scriptAddDialogVisible
-                    )
-                    Tab.Debug -> Debug(activity = this@MainActivity)
-                    Tab.Kaven -> Text(text = "TODO")
-                    Tab.Setting -> Setting(this@MainActivity)
-                    else -> throw PresentationException("Unknown tab index: $index")
+        Scaffold(
+            bottomBar = {
+                BottomNavigation(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .wrapContentHeight(),
+                    backgroundColor = Color.White
+                ) {
+                    val navBackStackEntry by navController.currentBackStackEntryAsState()
+                    val currentDestination = navBackStackEntry?.destination
+                    val fabs = listOf(Tab.Script, Tab.Debug, Tab.Kaven, Tab.Setting)
+                    fabs.forEach { fab ->
+                        BottomNavigationItem(
+                            icon = {
+                                Icon(
+                                    painter = painterResource(fab.iconRes),
+                                    contentDescription = null
+                                )
+                            },
+                            selectedContentColor = colors.primary,
+                            unselectedContentColor = Color.LightGray,
+                            alwaysShowLabel = false,
+                            selected = currentDestination?.hierarchy?.any { it.route == fab.route } == true,
+                            onClick = {
+                                navController.navigate(fab.route) {
+                                    popUpTo(navController.graph.findStartDestination().id) {
+                                        saveState = true
+                                    }
+                                    launchSingleTop = true
+                                    restoreState = true
+                                }
+                            }
+                        )
+                    }
                 }
             }
-            Footer(scriptAddDialogVisible)
-        }
-    }
-
-    @OptIn(ExperimentalAnimationApi::class)
-    @Composable
-    private fun Footer(scriptAddDialogVisible: MutableState<Boolean>) {
-        val items = listOf(
-            FancyItem(icon = R.drawable.ic_round_script_24, id = 0),
-            FancyItem(icon = R.drawable.ic_round_debug_24, id = 1),
-            FancyItem(icon = R.drawable.ic_round_github_24, id = 2),
-            FancyItem(icon = R.drawable.ic_round_settings_24, id = 3)
-        )
-
-        Box(modifier = Modifier.fillMaxSize(), contentAlignment = Alignment.BottomCenter) {
-            FancyBottomBar(
-                fancyColors = FancyColors(primary = colors.primary),
-                items = items
-            ) { tab = id }
-            AnimatedVisibility(
-                visible = tab == Tab.Script,
-                enter = fadeIn(),
-                exit = fadeOut()
+        ) { innerPadding ->
+            NavHost(
+                navController = navController,
+                startDestination = Tab.Script.route,
+                modifier = Modifier.padding(innerPadding)
             ) {
-                Surface(
-                    modifier = Modifier
-                        .padding(bottom = 35.dp)
-                        .size(50.dp)
-                        .clip(CircleShape)
-                        .clickable {
-                            scriptAddDialogVisible.value = true
-                        },
-                    color = colors.primary,
-                    elevation = 2.dp
-                ) {
-                    Icon(
-                        painter = painterResource(R.drawable.ic_round_add_24),
-                        contentDescription = null,
-                        tint = Color.White,
-                        modifier = Modifier
-                            .padding(10.dp)
-                            .align(Alignment.Center)
+                composable(Tab.Script.route) {
+                    ScriptContent(
+                        activity = this@MainActivity,
+                        scriptAddDialogVisible = scriptAddDialogVisible
                     )
                 }
+                composable(Tab.Debug.route) {
+                    Debug(activity = this@MainActivity)
+                }
+                composable(Tab.Kaven.route) {
+                    Text(text = "TODO")
+                }
+                composable(Tab.Setting.route) {
+                    Setting(activity = this@MainActivity)
+                }
             }
         }
     }
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/Tab.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/Tab.kt
index 6c73c04b..9d6857e1 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/Tab.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/Tab.kt
@@ -2,25 +2,19 @@
  * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
  * GitMessengerBot license is under the GPL-3.0.
  *
- * [Tab.kt] created by Ji Sungbin on 21. 9. 1. 오후 5:00
- *
- * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
- */
-
-/*
- * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
- * GitMessengerBot license is under the GPL-3.0.
- *
- * [Tab.kt] created by Ji Sungbin on 21. 6. 19. 오후 11:40.
+ * [Screen.kt] created by Ji Sungbin on 21. 9. 22. 오후 7:51
  *
  * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
  */
 
 package io.github.jisungbin.gitmessengerbot.activity.main
 
-object Tab {
-    const val Script = 0
-    const val Debug = 1
-    const val Kaven = 2
-    const val Setting = 3
+import androidx.annotation.DrawableRes
+import io.github.jisungbin.gitmessengerbot.R
+
+enum class Tab(val route: String, @DrawableRes val iconRes: Int) {
+    Script("Script", R.drawable.ic_round_script_24),
+    Debug("Debug", R.drawable.ic_round_debug_24),
+    Kaven("Kaven", R.drawable.ic_round_github_24),
+    Setting("Setting", R.drawable.ic_round_settings_24)
 }
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/dashboard/content.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/dashboard/content.kt
index 39e57a5d..735dfe54 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/dashboard/content.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/dashboard/content.kt
@@ -12,7 +12,6 @@ package io.github.jisungbin.gitmessengerbot.activity.main.dashboard
 import android.app.Activity
 import android.content.Intent
 import androidx.compose.animation.animateColorAsState
-import androidx.compose.animation.core.FastOutSlowInEasing
 import androidx.compose.animation.core.animateFloatAsState
 import androidx.compose.animation.core.tween
 import androidx.compose.foundation.background
@@ -48,8 +47,8 @@ import androidx.compose.material.TextField
 import androidx.compose.material.TextFieldDefaults
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
@@ -80,8 +79,9 @@ import com.airbnb.lottie.compose.rememberLottieComposition
 import io.github.jisungbin.gitmessengerbot.R
 import io.github.jisungbin.gitmessengerbot.activity.debug.DebugActivty
 import io.github.jisungbin.gitmessengerbot.activity.editor.js.JsEditorActivity
-import io.github.jisungbin.gitmessengerbot.common.config.IntentConfig
+import io.github.jisungbin.gitmessengerbot.common.constant.IntentConstant
 import io.github.jisungbin.gitmessengerbot.common.core.Util
+import io.github.jisungbin.gitmessengerbot.common.extension.doWhen
 import io.github.jisungbin.gitmessengerbot.common.extension.isEnglish
 import io.github.jisungbin.gitmessengerbot.common.extension.toast
 import io.github.jisungbin.gitmessengerbot.common.script.ScriptLang
@@ -91,17 +91,20 @@ import io.github.jisungbin.gitmessengerbot.theme.twiceLightGray
 import io.github.sungbin.gitmessengerbot.core.bot.Bot
 import io.github.sungbin.gitmessengerbot.core.bot.script.ScriptItem
 import io.github.sungbin.gitmessengerbot.core.bot.script.search
-import io.github.sungbin.gitmessengerbot.core.doWhen
 import kotlin.random.Random
-import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.launch
 
 @Composable
 fun ScriptContent(activity: Activity, scriptAddDialogVisible: MutableState<Boolean>) {
     val searchField = remember { mutableStateOf(TextFieldValue()) }
+
     ScriptAddDialog(visible = scriptAddDialogVisible)
 
-    Column(modifier = Modifier.fillMaxSize()) {
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(color = colors.primary)
+    ) {
         Header(activity, searchField)
         Column(
             modifier = Modifier
@@ -135,8 +138,8 @@ fun ScriptContent(activity: Activity, scriptAddDialogVisible: MutableState<Boole
 }
 
 @Composable
-private fun LazyScript(modifier: Modifier, search: String) {
-    val scripts = Bot.scripts.observeAsState(emptyList()).value.search(search)
+private fun LazyScript(modifier: Modifier, search: String) { // TODO: 키보드 입력 1초동안 없을 때 검색하게 개선 필요
+    val scripts = Bot.scripts.collectAsState().value.search(search)
 
     if (scripts.isNotEmpty()) {
         LazyColumn(
@@ -207,10 +210,7 @@ private fun ScriptItem(script: ScriptItem) {
 
     val angle by animateFloatAsState(
         targetValue = if (isRotated) 360F else 0F,
-        animationSpec = tween(
-            durationMillis = 2000,
-            easing = FastOutSlowInEasing
-        ),
+        animationSpec = tween(durationMillis = 2000),
         finishedListener = { isRotated = false }
     )
 
@@ -226,7 +226,7 @@ private fun ScriptItem(script: ScriptItem) {
             .clip(shape)
             .clickable {
                 val intent = Intent(context, JsEditorActivity::class.java).apply {
-                    putExtra(IntentConfig.ScriptId, script.id)
+                    putExtra(IntentConstant.ScriptId, script.id)
                 }
                 context.startActivity(intent)
             }
@@ -295,7 +295,7 @@ private fun ScriptItem(script: ScriptItem) {
                     .size(20.dp)
                     .clickable {
                         val intent = Intent(context, DebugActivty::class.java).apply {
-                            putExtra(IntentConfig.DebugScriptId, script.id)
+                            putExtra(IntentConstant.DebugScriptId, script.id)
                         }
                         context.startActivity(intent)
                     }
@@ -313,30 +313,28 @@ private fun ScriptItem(script: ScriptItem) {
                     .size(25.dp)
                     .rotate(angle)
                     .clickable {
-                        isRotated = true
                         coroutineScope.launch {
+                            isRotated = true
+                            var message = ""
                             Bot
                                 .compileScript(context, script)
-                                .collect { compileResult ->
-                                    var message = ""
-                                    compileResult.doWhen(
-                                        onSuccess = {
-                                            message =
-                                                context.getString(R.string.script_toast_compile_success)
-                                        },
-                                        onFail = { exception ->
-                                            compileErrorDialogVisible.value = true
-                                            compileErrorExceptionMessage =
-                                                exception.message.toString()
-                                            message = context.getString(
-                                                R.string.script_toast_compile_failed,
-                                                compileErrorExceptionMessage
-                                            )
-                                        }
-                                    )
-                                    isRotated = false
-                                    toast(context = context, message = message)
-                                }
+                                .doWhen(
+                                    onSuccess = {
+                                        message =
+                                            context.getString(R.string.script_toast_compile_success)
+                                    },
+                                    onFailure = { exception ->
+                                        compileErrorDialogVisible.value = true
+                                        compileErrorExceptionMessage =
+                                            exception.message.toString()
+                                        message = context.getString(
+                                            R.string.script_toast_compile_failed,
+                                            compileErrorExceptionMessage
+                                        )
+                                    }
+                                )
+                            isRotated = false
+                            toast(context = context, message = message)
                         }
                     }
                     .constrainAs(reload) {
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/dashboard/header.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/dashboard/header.kt
index 37bfe887..0f348f4a 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/dashboard/header.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/dashboard/header.kt
@@ -36,8 +36,8 @@ import androidx.compose.material.Text
 import androidx.compose.material.TextField
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
@@ -63,12 +63,12 @@ import androidx.constraintlayout.compose.Dimension
 import com.skydoves.landscapist.CircularReveal
 import com.skydoves.landscapist.coil.CoilImage
 import io.github.jisungbin.gitmessengerbot.R
-import io.github.jisungbin.gitmessengerbot.domain.github.model.user.GithubData
-import io.github.jisungbin.gitmessengerbot.common.config.GithubConfig
-import io.github.jisungbin.gitmessengerbot.common.config.IntentConfig
+import io.github.jisungbin.gitmessengerbot.common.constant.GithubConstant
+import io.github.jisungbin.gitmessengerbot.common.constant.IntentConstant
 import io.github.jisungbin.gitmessengerbot.common.core.Storage
 import io.github.jisungbin.gitmessengerbot.common.exception.PresentationException
 import io.github.jisungbin.gitmessengerbot.common.extension.toModel
+import io.github.jisungbin.gitmessengerbot.domain.github.model.user.GithubData
 import io.github.jisungbin.gitmessengerbot.theme.colors
 import io.github.jisungbin.gitmessengerbot.theme.transparentTextFieldColors
 import io.github.jisungbin.gitmessengerbot.ui.imageviewer.ImageViewActivity
@@ -91,10 +91,9 @@ private fun MenuBox(modifier: Modifier, title: String, content: @Composable () -
                 .clip(RoundedCornerShape(10.dp))
                 .background(Color.White),
             horizontalAlignment = Alignment.CenterHorizontally,
-            verticalArrangement = Arrangement.Center
-        ) {
-            content()
-        }
+            verticalArrangement = Arrangement.Center,
+            content = { content() }
+        )
         Text(
             text = title,
             modifier = Modifier
@@ -112,10 +111,10 @@ fun Header(activity: Activity, searchField: MutableState<TextFieldValue>) {
     val context = LocalContext.current
     val focusManager = LocalFocusManager.current
 
-    val app by AppConfig.app.observeAsState(AppConfig.appValue)
+    val app by AppConfig.app.collectAsState()
     val backgroundService = Intent(context, BackgroundService::class.java)
-    val githubJson = Storage.read(GithubConfig.DataPath, null)
-        ?: throw PresentationException("GithubConfig.DataPath value is cannot be null.")
+    val githubJson = Storage.read(GithubConstant.DataPath, null)
+        ?: throw PresentationException("GithubConfig.DataPath의 값이 null 이에요.")
     val githubData: GithubData = githubJson.toModel()
     var searching by remember { mutableStateOf(false) }
 
@@ -134,7 +133,7 @@ fun Header(activity: Activity, searchField: MutableState<TextFieldValue>) {
                 .clip(CircleShape)
                 .clickable {
                     val intent = Intent(activity, ImageViewActivity::class.java).apply {
-                        putExtra(IntentConfig.ImageUrl, githubData.profileImageUrl)
+                        putExtra(IntentConstant.ImageUrl, githubData.profileImageUrl)
                     }
                     activity.startActivity(
                         intent,
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/setting/dialog.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/setting/dialog.kt
index c8a16159..777e5a2d 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/setting/dialog.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/setting/dialog.kt
@@ -35,8 +35,8 @@ import androidx.compose.material.TextField
 import androidx.compose.material.TextFieldDefaults
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
@@ -168,7 +168,7 @@ fun GitDefaultCreateRepoOptionsDialog(visible: MutableState<Boolean>) {
 fun KakaoTalkPackageNamesDialog(visible: MutableState<Boolean>) {
     if (visible.value) {
         val context = LocalContext.current
-        val app by AppConfig.app.observeAsState(AppConfig.appValue)
+        val app by AppConfig.app.collectAsState()
         var newKakaoTalkPackage by remember { mutableStateOf(TextFieldValue()) }
         val focusManager = LocalFocusManager.current
 
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/setting/setting.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/setting/setting.kt
index 37c418fa..028bef4b 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/setting/setting.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/main/setting/setting.kt
@@ -34,8 +34,8 @@ import androidx.compose.material.TextField
 import androidx.compose.material.TextFieldDefaults
 import androidx.compose.material.TopAppBar
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
@@ -49,7 +49,7 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import com.google.android.gms.oss.licenses.OssLicensesMenuActivity
 import io.github.jisungbin.gitmessengerbot.R
-import io.github.jisungbin.gitmessengerbot.common.config.Config
+import io.github.jisungbin.gitmessengerbot.common.constant.BotConstant
 import io.github.jisungbin.gitmessengerbot.common.core.BatteryUtil
 import io.github.jisungbin.gitmessengerbot.common.core.NotificationUtil
 import io.github.jisungbin.gitmessengerbot.common.core.Storage
@@ -90,7 +90,7 @@ private fun Content(activity: Activity) {
             .verticalScroll(rememberScrollState())
             .padding(16.dp)
     ) {
-        val app by AppConfig.app.observeAsState(AppConfig.appValue)
+        val app by AppConfig.app.collectAsState()
 
         val context = LocalContext.current
 
@@ -312,7 +312,7 @@ private fun Content(activity: Activity) {
             )
             OutlinedButton(onClick = { kakaoTalkPackageNamesDialogVisible.value = true }) {
                 val kakaoTalkPackageNames =
-                    app.kakaoTalkPackageNames.sortedBy { it == Config.KakaoTalkDefaultPackageName }
+                    app.kakaoTalkPackageNames.sortedBy { it == BotConstant.KakaoTalkDefaultPackageName }
                         .asReversed()
                 val message =
                     if (kakaoTalkPackageNames.size == 1) kakaoTalkPackageNames.first()
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/setup/SetupActivity.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/setup/SetupActivity.kt
index 6762e23b..8bce1966 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/setup/SetupActivity.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/setup/SetupActivity.kt
@@ -31,8 +31,10 @@ import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.Icon
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -53,26 +55,29 @@ import androidx.lifecycle.lifecycleScope
 import dagger.hilt.android.AndroidEntryPoint
 import io.github.jisungbin.gitmessengerbot.R
 import io.github.jisungbin.gitmessengerbot.activity.main.MainActivity
+import io.github.jisungbin.gitmessengerbot.activity.setup.mvi.MviSetupSideEffect
+import io.github.jisungbin.gitmessengerbot.activity.setup.mvi.MviSetupState
+import io.github.jisungbin.gitmessengerbot.common.constant.GithubConstant
 import io.github.jisungbin.gitmessengerbot.common.core.NotificationUtil
 import io.github.jisungbin.gitmessengerbot.common.core.Storage
 import io.github.jisungbin.gitmessengerbot.common.core.Wear
 import io.github.jisungbin.gitmessengerbot.common.core.Web
 import io.github.jisungbin.gitmessengerbot.common.exception.PresentationException
 import io.github.jisungbin.gitmessengerbot.common.extension.doDelay
+import io.github.jisungbin.gitmessengerbot.common.extension.toJsonString
 import io.github.jisungbin.gitmessengerbot.common.extension.toast
 import io.github.jisungbin.gitmessengerbot.data.github.secret.SecretConfig
 import io.github.jisungbin.gitmessengerbot.theme.MaterialTheme
 import io.github.jisungbin.gitmessengerbot.theme.SystemUiController
 import io.github.jisungbin.gitmessengerbot.theme.colors
-import io.github.jisungbin.gitmessengerbot.util.doWhen
+import io.github.jisungbin.gitmessengerbot.ui.exception.ExceptionDialog
 import io.github.jisungbin.gitmessengerbot.util.extension.noRippleClickable
-import kotlinx.coroutines.flow.collect
+import org.orbitmvi.orbit.viewmodel.observe
 
 @AndroidEntryPoint
 class SetupActivity : ComponentActivity() {
 
     private val vm: SetupViewModel by viewModels()
-
     private var wearAppInstalled by mutableStateOf(false)
     private var storagePermissionGranted by mutableStateOf(false)
     private var notificationPermissionGranted by mutableStateOf(false)
@@ -105,7 +110,6 @@ class SetupActivity : ComponentActivity() {
         }
 
         SystemUiController(window).setSystemBarsColor(colors.primary)
-
         setContent {
             MaterialTheme {
                 Content()
@@ -115,6 +119,19 @@ class SetupActivity : ComponentActivity() {
 
     @Composable
     private fun Content() {
+        val exception = remember { mutableStateOf<Exception?>(null) }
+
+        ExceptionDialog(exception = exception)
+        LaunchedEffect(vm) {
+            vm.observe(
+                lifecycleOwner = this@SetupActivity,
+                state = { state ->
+                    handleState(state = state, onExceptionChanged = { exception.value = it })
+                },
+                sideEffect = ::handleSideEffect
+            )
+        }
+
         ConstraintLayout(
             modifier = Modifier
                 .fillMaxSize()
@@ -305,27 +322,29 @@ class SetupActivity : ComponentActivity() {
 
     @SuppressLint("NewApi")
     private fun Permission.requestPermission() {
-        when (permissions.first()) {
-            PermissionType.NotificationRead -> {
-                NotificationUtil.requestNotificationListenerPermission(this@SetupActivity)
-                doDelay(1000) {
-                    notificationPermissionGranted = true
+        lifecycleScope.launchWhenCreated {
+            when (permissions.first()) {
+                PermissionType.NotificationRead -> {
+                    NotificationUtil.requestNotificationListenerPermission(this@SetupActivity)
+                    doDelay(1000) {
+                        notificationPermissionGranted = true
+                    }
                 }
-            }
-            PermissionType.Wear -> {
-                Wear.install(applicationContext)
-                doDelay(1000) {
-                    wearAppInstalled = true
+                PermissionType.Wear -> {
+                    Wear.install(applicationContext)
+                    doDelay(1000) {
+                        wearAppInstalled = true
+                    }
                 }
-            }
-            PermissionType.ScopedStorage -> {
-                Storage.requestStorageManagePermission(this@SetupActivity)
-                doDelay(1000) {
-                    storagePermissionGranted = true
+                PermissionType.ScopedStorage -> {
+                    Storage.requestStorageManagePermission(this@SetupActivity)
+                    doDelay(1000) {
+                        storagePermissionGranted = true
+                    }
+                }
+                else -> {
+                    permissionsContracts.launch(this@requestPermission.permissions.toTypedArray())
                 }
-            }
-            else -> {
-                permissionsContracts.launch(this.permissions.toTypedArray())
             }
         }
     }
@@ -334,21 +353,27 @@ class SetupActivity : ComponentActivity() {
         super.onNewIntent(intent)
 
         val requestCode = intent?.data?.getQueryParameter("code")
-            ?: throw PresentationException("Github aouth request code intent data is null.")
+            ?: throw PresentationException("Github aouth request code intent가 null 이에요.")
 
-        lifecycleScope.launchWhenCreated {
-            vm.login(requestCode).collect { loginResult ->
-                loginResult.doWhen(
-                    onSuccess = { githubData ->
-                        finish()
-                        startActivity(Intent(this@SetupActivity, MainActivity::class.java))
-                        toast(getString(R.string.vm_setup_toast_welcome_start, githubData.userName))
-                    },
-                    onFail = { exception ->
-                        exception.printStackTrace()
-                        // todo: ErrorDialog
-                    }
-                )
+        vm.login(requestCode)
+    }
+
+    private inline fun handleState(state: MviSetupState, onExceptionChanged: (Exception) -> Unit) {
+        if (!state.isException()) {
+            if (state.loaded) {
+                finish()
+                startActivity(Intent(this@SetupActivity, MainActivity::class.java))
+                toast(getString(R.string.activity_setup_toast_welcome, state.userName))
+            }
+        } else {
+            onExceptionChanged(state.exception!!)
+        }
+    }
+
+    private fun handleSideEffect(sideEffect: MviSetupSideEffect) {
+        when (sideEffect) {
+            is MviSetupSideEffect.SaveData -> {
+                Storage.write(GithubConstant.DataPath, sideEffect.data.toJsonString())
             }
         }
     }
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/setup/SetupViewModel.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/setup/SetupViewModel.kt
index 48f54f36..763bf4cd 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/setup/SetupViewModel.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/setup/SetupViewModel.kt
@@ -10,56 +10,69 @@
 package io.github.jisungbin.gitmessengerbot.activity.setup
 
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
+import io.github.jisungbin.gitmessengerbot.activity.setup.mvi.MviSetupSideEffect
+import io.github.jisungbin.gitmessengerbot.activity.setup.mvi.MviSetupState
+import io.github.jisungbin.gitmessengerbot.common.extension.doWhen
+import io.github.jisungbin.gitmessengerbot.common.extension.toException
 import io.github.jisungbin.gitmessengerbot.domain.github.model.user.GithubData
-import io.github.jisungbin.gitmessengerbot.common.config.GithubConfig
-import io.github.jisungbin.gitmessengerbot.common.core.Storage
-import io.github.jisungbin.gitmessengerbot.common.exception.CoreException
-import io.github.jisungbin.gitmessengerbot.common.extension.toJsonString
-import io.github.jisungbin.gitmessengerbot.domain.github.doWhen
 import io.github.jisungbin.gitmessengerbot.domain.github.usecase.GithubGetUserInfoUseCase
 import io.github.jisungbin.gitmessengerbot.domain.github.usecase.GithubRequestAouthTokenUseCase
-import io.github.jisungbin.gitmessengerbot.util.RequestResult
-import kotlinx.coroutines.ExperimentalCoroutinesApi
-import kotlinx.coroutines.channels.awaitClose
-import kotlinx.coroutines.flow.callbackFlow
-import kotlinx.coroutines.flow.collect
 import javax.inject.Inject
+import org.orbitmvi.orbit.ContainerHost
+import org.orbitmvi.orbit.syntax.simple.intent
+import org.orbitmvi.orbit.syntax.simple.postSideEffect
+import org.orbitmvi.orbit.syntax.simple.reduce
+import org.orbitmvi.orbit.viewmodel.container
 
 @HiltViewModel
 class SetupViewModel @Inject constructor(
     private val githubRequestAouthTokenUseCase: GithubRequestAouthTokenUseCase,
     private val githubGetUserInfoUseCase: GithubGetUserInfoUseCase,
-) : ViewModel() {
+) : ContainerHost<MviSetupState, MviSetupSideEffect>, ViewModel() {
 
-    @OptIn(ExperimentalCoroutinesApi::class)
-    suspend fun login(requestCode: String) = callbackFlow {
-        githubRequestAouthTokenUseCase(requestCode).collect { githubAouthResult ->
-            githubAouthResult.doWhen(
-                onSuccess = { githubAouth ->
-                    var githubData = GithubData(aouthToken = githubAouth.token)
-                    githubGetUserInfoUseCase(githubData.aouthToken).collect { userInfoResult ->
-                        userInfoResult.doWhen(
-                            onSuccess = { userInfo ->
-                                githubData = githubData.copy(
-                                    userName = userInfo.userName,
-                                    profileImageUrl = userInfo.profileImageUrl
-                                )
-                                Storage.write(GithubConfig.DataPath, githubData.toJsonString())
-                                trySend(RequestResult.Success(githubData))
-                            },
-                            onFail = { exception ->
-                                trySend(RequestResult.Fail(CoreException(exception.message)))
-                            }
+    override val container = container<MviSetupState, MviSetupSideEffect>(MviSetupState())
+
+    fun login(requestCode: String) = intent {
+        githubRequestAouthTokenUseCase(
+            requestCode = requestCode,
+            coroutineScope = viewModelScope
+        ).doWhen(
+            onSuccess = { githubAouth ->
+                var githubData = GithubData(aouthToken = githubAouth.token)
+                githubGetUserInfoUseCase(
+                    aouthToken = githubData.aouthToken,
+                    coroutineScope = viewModelScope
+                ).doWhen(
+                    onSuccess = { userInfo ->
+                        githubData = githubData.copy(
+                            userName = userInfo.userName,
+                            profileImageUrl = userInfo.profileImageUrl
                         )
+                        postSideEffect(MviSetupSideEffect.SaveData(githubData))
+                        reduce {
+                            state.copy(
+                                loaded = true,
+                                exception = null,
+                                aouthToken = githubData.aouthToken,
+                                userName = githubData.userName,
+                                profileImageUrl = githubData.profileImageUrl
+                            )
+                        }
+                    },
+                    onFailure = { throwable ->
+                        reduce {
+                            state.copy(exception = throwable.toException())
+                        }
                     }
-                },
-                onFail = { exception ->
-                    trySend(RequestResult.Fail(CoreException(exception.message)))
+                )
+            },
+            onFailure = { throwable ->
+                reduce {
+                    state.copy(exception = throwable.toException())
                 }
-            )
-        }
-
-        awaitClose { close() }
+            }
+        )
     }
 }
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/setup/mvi/MviSetupSideEffect.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/setup/mvi/MviSetupSideEffect.kt
new file mode 100644
index 00000000..483f2261
--- /dev/null
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/setup/mvi/MviSetupSideEffect.kt
@@ -0,0 +1,17 @@
+/*
+ * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
+ * GitMessengerBot license is under the GPL-3.0.
+ *
+ * [MviSetupSideEffect.kt] created by Ji Sungbin on 21. 9. 19. 오후 5:12
+ *
+ * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
+ */
+
+package io.github.jisungbin.gitmessengerbot.activity.setup.mvi
+
+import io.github.jisungbin.gitmessengerbot.domain.github.model.user.GithubData
+import io.github.jisungbin.gitmessengerbot.mvi.MviToastSideEffect
+
+sealed class MviSetupSideEffect : MviToastSideEffect {
+    data class SaveData(val data: GithubData) : MviSetupSideEffect()
+}
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/setup/mvi/MviSetupState.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/setup/mvi/MviSetupState.kt
new file mode 100644
index 00000000..a699580d
--- /dev/null
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/setup/mvi/MviSetupState.kt
@@ -0,0 +1,20 @@
+/*
+ * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
+ * GitMessengerBot license is under the GPL-3.0.
+ *
+ * [MviSetupState.kt] created by Ji Sungbin on 21. 9. 19. 오후 5:12
+ *
+ * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
+ */
+
+package io.github.jisungbin.gitmessengerbot.activity.setup.mvi
+
+import io.github.jisungbin.gitmessengerbot.mvi.MviBaseState
+
+data class MviSetupState(
+    override val loaded: Boolean = false,
+    override val exception: Exception? = null,
+    val aouthToken: String = "",
+    val userName: String = "",
+    val profileImageUrl: String = "",
+) : MviBaseState
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/splash/SplashActivity.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/splash/SplashActivity.kt
index 2253b39e..4128f654 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/splash/SplashActivity.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/activity/splash/SplashActivity.kt
@@ -9,6 +9,7 @@
 
 package io.github.jisungbin.gitmessengerbot.activity.splash
 
+import android.annotation.SuppressLint
 import android.content.Intent
 import android.os.Bundle
 import android.widget.Toast
@@ -31,17 +32,16 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.AnnotatedString
 import androidx.compose.ui.text.SpanStyle
 import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.constraintlayout.compose.ConstraintLayout
-import androidx.constraintlayout.compose.Dimension
+import androidx.lifecycle.lifecycleScope
 import io.github.jisungbin.gitmessengerbot.BuildConfig
 import io.github.jisungbin.gitmessengerbot.BuildOption
 import io.github.jisungbin.gitmessengerbot.R
 import io.github.jisungbin.gitmessengerbot.activity.main.MainActivity
 import io.github.jisungbin.gitmessengerbot.activity.setup.SetupActivity
-import io.github.jisungbin.gitmessengerbot.common.config.GithubConfig
+import io.github.jisungbin.gitmessengerbot.common.constant.GithubConstant
 import io.github.jisungbin.gitmessengerbot.common.core.Storage
 import io.github.jisungbin.gitmessengerbot.common.extension.doDelay
 import io.github.jisungbin.gitmessengerbot.common.extension.toast
@@ -51,6 +51,7 @@ import io.github.jisungbin.gitmessengerbot.theme.SystemUiController
 import io.github.jisungbin.gitmessengerbot.theme.colors
 import java.util.Calendar
 
+@SuppressLint("CustomSplashScreen")
 class SplashActivity : ComponentActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -63,7 +64,7 @@ class SplashActivity : ComponentActivity() {
             }
         }
 
-        val isSetupDone = Storage.read(GithubConfig.DataPath, null) != null
+        val isSetupDone = Storage.read(GithubConstant.DataPath, null) != null
         val builtDate = Calendar.getInstance().apply { timeInMillis = BuildConfig.TIMESTAMP }
         val builtTime = "${builtDate.get(Calendar.HOUR_OF_DAY)}h" +
             " ${builtDate.get(Calendar.MINUTE)}m " +
@@ -74,14 +75,16 @@ class SplashActivity : ComponentActivity() {
         if (BuildOption.TestMode) {
             startActivity(Intent(this, TestActivity::class.java))
         } else {
-            doDelay(2000) {
-                finish()
-                startActivity(
-                    Intent(
-                        this,
-                        if (isSetupDone) MainActivity::class.java else SetupActivity::class.java
+            lifecycleScope.launchWhenCreated {
+                doDelay(2000) {
+                    finish()
+                    startActivity(
+                        Intent(
+                            this@SplashActivity,
+                            if (isSetupDone) MainActivity::class.java else SetupActivity::class.java
+                        )
                     )
-                )
+                }
             }
         }
     }
@@ -94,17 +97,10 @@ class SplashActivity : ComponentActivity() {
                 .background(colors.primary)
                 .padding(30.dp)
         ) {
-            val (content, footer) = createRefs()
+            val footer = createRef()
 
             Column(
-                modifier = Modifier.constrainAs(content) {
-                    start.linkTo(parent.start)
-                    end.linkTo(parent.end)
-                    top.linkTo(parent.top)
-                    bottom.linkTo(parent.bottom)
-                    width = Dimension.fillToConstraints
-                    height = Dimension.fillToConstraints
-                },
+                modifier = Modifier.fillMaxSize(),
                 verticalArrangement = Arrangement.Center,
                 horizontalAlignment = Alignment.CenterHorizontally,
             ) {
@@ -128,12 +124,10 @@ class SplashActivity : ComponentActivity() {
                 text = stringResource(R.string.copyright),
                 color = Color.White,
                 fontSize = 10.sp,
-                textAlign = TextAlign.Center,
                 modifier = Modifier.constrainAs(footer) {
                     start.linkTo(parent.start)
                     end.linkTo(parent.end)
                     bottom.linkTo(parent.bottom)
-                    width = Dimension.fillToConstraints
                 }
             )
         }
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/di/GlobalModule.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/di/GlobalModule.kt
index c59075c9..09abf617 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/di/GlobalModule.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/di/GlobalModule.kt
@@ -13,9 +13,9 @@ import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
 import dagger.hilt.components.SingletonComponent
+import io.github.jisungbin.logeukes.logeukes
 import javax.inject.Singleton
 import okhttp3.logging.HttpLoggingInterceptor
-import timber.log.Timber
 
 @Module
 @InstallIn(SingletonComponent::class)
@@ -23,7 +23,7 @@ object GlobalModule {
     @Provides
     @Singleton
     fun provideHttpLoggingInterceptor() =
-        HttpLoggingInterceptor { message -> Timber.tag("OkHttp").d(message) }.apply {
+        HttpLoggingInterceptor { message -> logeukes("OkHttp") { message } }.apply {
             level = HttpLoggingInterceptor.Level.BODY
         }
 }
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/di/module/RepoModule.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/di/module/RepoModule.kt
index 54f5f182..9a63a639 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/di/module/RepoModule.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/di/module/RepoModule.kt
@@ -12,7 +12,8 @@ package io.github.jisungbin.gitmessengerbot.di.module
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
-import dagger.hilt.components.SingletonComponent
+import dagger.hilt.android.components.ViewModelComponent
+import dagger.hilt.android.scopes.ViewModelScoped
 import io.github.jisungbin.gitmessengerbot.data.github.repo.GithubCommitRepositoryImpl
 import io.github.jisungbin.gitmessengerbot.data.github.repo.GithubRepoRepositoryImpl
 import io.github.jisungbin.gitmessengerbot.data.github.repo.GithubUserRepositoryImpl
@@ -22,25 +23,24 @@ import io.github.jisungbin.gitmessengerbot.di.qualifier.UserRetrofit
 import io.github.jisungbin.gitmessengerbot.domain.github.repo.GithubCommitRepository
 import io.github.jisungbin.gitmessengerbot.domain.github.repo.GithubRepoRepository
 import io.github.jisungbin.gitmessengerbot.domain.github.repo.GithubUserRepository
-import javax.inject.Singleton
 import okhttp3.logging.HttpLoggingInterceptor
 import retrofit2.Retrofit
 
 @Module
-@InstallIn(SingletonComponent::class)
+@InstallIn(ViewModelComponent::class)
 object RepoModule {
     @Provides
-    @Singleton
+    @ViewModelScoped
     fun provideGithubRepoRepository(@SignedRetrofit retrofit: Retrofit): GithubRepoRepository =
         GithubRepoRepositoryImpl(retrofit = retrofit)
 
     @Provides
-    @Singleton
+    @ViewModelScoped
     fun provideGithubCommitRepository(@SignedRetrofit retrofit: Retrofit): GithubCommitRepository =
         GithubCommitRepositoryImpl(signedRetrofit = retrofit)
 
     @Provides
-    @Singleton
+    @ViewModelScoped
     fun provideGithubUserRepository(
         httpLoggingInterceptor: HttpLoggingInterceptor,
         @UserRetrofit userRetrofit: Retrofit.Builder,
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/di/module/RetrofitModule.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/di/module/RetrofitModule.kt
index 82c19392..43247d3b 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/di/module/RetrofitModule.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/di/module/RetrofitModule.kt
@@ -17,7 +17,7 @@ import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
 import dagger.hilt.components.SingletonComponent
-import io.github.jisungbin.gitmessengerbot.common.config.GithubConfig
+import io.github.jisungbin.gitmessengerbot.common.constant.GithubConstant
 import io.github.jisungbin.gitmessengerbot.common.core.Storage
 import io.github.jisungbin.gitmessengerbot.common.exception.PresentationException
 import io.github.jisungbin.gitmessengerbot.common.extension.toModel
@@ -33,22 +33,19 @@ import okhttp3.logging.HttpLoggingInterceptor
 import retrofit2.Retrofit
 import retrofit2.converter.jackson.JacksonConverterFactory
 
-@Suppress("HasPlatformType")
 @Module
 @InstallIn(SingletonComponent::class)
 object RetrofitModule {
-    private val mapper by lazy {
-        ObjectMapper()
-            .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
-            .configure(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY, true)
-            .registerKotlinModule()
-    }
+    private val mapper = ObjectMapper()
+        .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
+        .configure(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY, true)
+        .registerKotlinModule()
 
     private class AuthInterceptor : Interceptor {
         override fun intercept(chain: Interceptor.Chain): Response {
             var builder = chain.request().newBuilder()
-            val githubData: GithubData = Storage.read(GithubConfig.DataPath, null)?.toModel()
-                ?: throw PresentationException("GithubConfig.DataPath value is cannot be null.")
+            val githubData: GithubData = Storage.read(GithubConstant.DataPath, null)?.toModel()
+                ?: throw PresentationException("GithubConfig.DataPath 값이 null 이에요.")
             builder = builder
                 .addHeader("Authorization", "token ${githubData.aouthToken}")
                 .addHeader("Accept", "application/json")
@@ -69,19 +66,22 @@ object RetrofitModule {
     @Provides
     @SignedRetrofit
     @Singleton
-    fun provideSignedRetrofit(loggingInterceptor: HttpLoggingInterceptor) = Retrofit.Builder()
-        .baseUrl(GithubConfig.BaseApiUrl)
-        .addConverterFactory(JacksonConverterFactory.create(mapper))
-        .client(getInterceptor(/*loggingInterceptor,*/ AuthInterceptor(), PlutoInterceptor()))
-        .build()
+    fun provideSignedRetrofit(loggingInterceptor: HttpLoggingInterceptor): Retrofit =
+        Retrofit.Builder()
+            .baseUrl(GithubConstant.BaseApiUrl)
+            .addConverterFactory(JacksonConverterFactory.create(mapper))
+            .client(getInterceptor(loggingInterceptor, AuthInterceptor(), PlutoInterceptor()))
+            .build()
 
     @Provides
     @UserRetrofit
     @Singleton
-    fun provideUserRetrofit() = buildRetrofitWithoutClient(baseUrl = GithubConfig.BaseApiUrl)
+    fun provideUserRetrofit(): Retrofit.Builder =
+        buildRetrofitWithoutClient(baseUrl = GithubConstant.BaseApiUrl)
 
     @Provides
     @AouthRetrofit
     @Singleton
-    fun provideAouthRetrofit() = buildRetrofitWithoutClient(baseUrl = GithubConfig.BaseUrl)
+    fun provideAouthRetrofit(): Retrofit.Builder =
+        buildRetrofitWithoutClient(baseUrl = GithubConstant.BaseUrl)
 }
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/mvi/MviBaseState.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/mvi/MviBaseState.kt
new file mode 100644
index 00000000..0b0c7359
--- /dev/null
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/mvi/MviBaseState.kt
@@ -0,0 +1,17 @@
+/*
+ * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
+ * GitMessengerBot license is under the GPL-3.0.
+ *
+ * [MviBaseState.kt] created by Ji Sungbin on 21. 9. 19. 오후 4:47
+ *
+ * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
+ */
+
+package io.github.jisungbin.gitmessengerbot.mvi
+
+interface MviBaseState {
+    val loaded: Boolean
+    val exception: Exception?
+
+    fun isException() = exception != null
+}
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/mvi/MviToastSideEffect.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/mvi/MviToastSideEffect.kt
new file mode 100644
index 00000000..cd3a6e70
--- /dev/null
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/mvi/MviToastSideEffect.kt
@@ -0,0 +1,14 @@
+/*
+ * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
+ * GitMessengerBot license is under the GPL-3.0.
+ *
+ * [MviBaseState.kt] created by Ji Sungbin on 21. 9. 18. 오후 8:56
+ *
+ * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
+ */
+
+package io.github.jisungbin.gitmessengerbot.mvi
+
+interface MviToastSideEffect {
+    data class Toast(val message: String) : MviToastSideEffect
+}
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/test/TestActivity.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/test/TestActivity.kt
index 74428651..efb9d1d4 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/test/TestActivity.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/test/TestActivity.kt
@@ -2,254 +2,13 @@
  * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
  * GitMessengerBot license is under the GPL-3.0.
  *
- * [TestActivity.kt] created by Ji Sungbin on 21. 9. 5. 오후 9:50
+ * [TestActivity.kt] created by Ji Sungbin on 21. 11. 7. 오후 10:24
  *
  * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
  */
 
 package io.github.jisungbin.gitmessengerbot.test
 
-import android.os.Bundle
-import android.os.Handler
-import android.os.Looper
-import androidx.activity.ComponentActivity
-import androidx.activity.compose.setContent
-import androidx.compose.animation.core.animateIntAsState
-import androidx.compose.foundation.background
-import androidx.compose.foundation.border
-import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.PaddingValues
-import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.wrapContentHeight
-import androidx.compose.foundation.lazy.LazyColumn
-import androidx.compose.foundation.lazy.items
-import androidx.compose.foundation.lazy.itemsIndexed
-import androidx.compose.foundation.lazy.rememberLazyListState
-import androidx.compose.material.Divider
-import androidx.compose.material.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
-import androidx.compose.runtime.mutableStateListOf
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.text.AnnotatedString
-import androidx.compose.ui.text.SpanStyle
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
-import androidx.lifecycle.viewmodel.compose.viewModel
-import dagger.hilt.android.AndroidEntryPoint
-import io.github.jisungbin.gitmessengerbot.activity.editor.js.CommitHistoryItem
-import io.github.jisungbin.gitmessengerbot.activity.editor.js.JsEditorViewModel
-import io.github.jisungbin.gitmessengerbot.domain.github.doWhen
-import io.github.jisungbin.gitmessengerbot.theme.MaterialTheme
-import kotlinx.coroutines.CoroutineStart
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.flow.collect
-import kotlinx.coroutines.joinAll
-import kotlinx.coroutines.launch
-import timber.log.Timber
+import androidx.appcompat.app.AppCompatActivity
 
-@AndroidEntryPoint
-class TestActivity : ComponentActivity() {
-
-    private val ownerName = "gitmessengerbot"
-    private val repoName = "gitmessengerbot-android"
-
-    private val logs = mutableListOf<CommitHistoryItem>()
-    private val _logs = mutableStateListOf<String>()
-
-    private var message = mutableStateOf("Task Start.")
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-
-        setContent {
-            MaterialTheme {
-                // GithubCommitHistoryTest()
-                Box(
-                    modifier = Modifier
-                        .fillMaxSize()
-                        .background(color = Color.White),
-                    contentAlignment = Alignment.Center
-                ) {
-                    ThreadTest()
-                }
-            }
-        }
-    }
-
-    @Composable
-    private fun ThreadTest() {
-        val messageUpdate = 1000 // 보낼 메시지 값
-
-        Text(text = message.value) // 텍스트뷰
-
-        // 핸들러 인자로 루퍼를 지정할 수 있음.
-        val handler = Handler(Looper.getMainLooper()) { // UI 수정이 필요함으로 메인루퍼 가져옴
-            if (it.what == messageUpdate) { // 만약 받은 메시지의 값이 1000 이라면
-                message.value = "Task Done." // 텍스트뷰 업데이트
-            }
-            true // 메시지를 한 번 받고 더 이상 처리할 일이 없으면 true
-            // Callback@return: True if no further handling is desired
-        }
-        Thread { // 스레드 생성
-            Thread.sleep(5000) // 오래 걸리는 작업을 표현하기 위해 5초 딜레이
-            val message = handler.obtainMessage(messageUpdate) // 핸들러로 보낼 메시지를 지정
-            handler.sendMessage(message) // 핸들러로 메시지를 보냄
-        }.start() // 스레드 시작!
-    }
-
-    @Composable
-    private fun CompositionSizeAnimationTest() {
-        val vm: TestViewModel = viewModel()
-        val scrollState = rememberLazyListState()
-        val scrollUpState by vm.scrollUp.observeAsState(false)
-        val itemHeigth by animateIntAsState(if (!scrollUpState) 100 else 0)
-
-        vm.updateScrollPosition(scrollState.firstVisibleItemIndex)
-
-        Column(
-            modifier = Modifier
-                .fillMaxSize()
-                .padding(30.dp)
-        ) {
-            Column(
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .wrapContentHeight()
-                    .border(width = 5.dp, color = Color.Red)
-            ) {
-                Box(
-                    modifier = Modifier
-                        .fillMaxWidth()
-                        .height(100.dp)
-                        .background(color = Color.Blue)
-                )
-                Spacer(
-                    modifier = Modifier
-                        .fillMaxWidth()
-                        .height(10.dp)
-                )
-                Column(
-                    modifier = Modifier
-                        .fillMaxWidth()
-                        .height(itemHeigth.dp)
-                        .background(color = Color.Yellow)
-                ) {
-                    repeat(10) {
-                        Text(text = it.toString())
-                    }
-                }
-            }
-            LazyColumn(
-                modifier = Modifier.fillMaxSize(),
-                state = scrollState,
-                verticalArrangement = Arrangement.spacedBy(30.dp),
-                horizontalAlignment = Alignment.CenterHorizontally
-            ) {
-                items(items = List(100) { it }) { item ->
-                    Text(text = item.toString())
-                }
-            }
-        }
-    }
-
-    @Composable
-    private fun GithubCommitHistoryTest() {
-        val vm: JsEditorViewModel = viewModel()
-        var job: Job
-
-        LazyColumn(
-            modifier = Modifier.fillMaxSize(),
-            verticalArrangement = Arrangement.spacedBy(30.dp),
-            contentPadding = PaddingValues(16.dp)
-        ) {
-            itemsIndexed(_logs) { index, log ->
-                Column(
-                    modifier = Modifier.fillMaxWidth(),
-                    verticalArrangement = Arrangement.Center,
-                    horizontalAlignment = Alignment.CenterHorizontally
-                ) {
-                    Text(
-                        text = with(AnnotatedString.Builder(log)) {
-                            addStyle(
-                                SpanStyle(fontWeight = FontWeight.Bold),
-                                0,
-                                log.indexOf(":") + 1
-                            )
-                            toAnnotatedString()
-                        },
-                        color = Color.Black,
-                        fontSize = 15.sp
-                    )
-                    if (index < logs.size - 1) {
-                        Spacer(
-                            modifier = Modifier
-                                .fillMaxWidth()
-                                .height(30.dp)
-                        )
-                        Divider(modifier = Modifier.fillMaxWidth(), thickness = 5.dp)
-                    }
-                }
-            }
-        }
-
-        LaunchedEffect(Unit) {
-            job = launch(start = CoroutineStart.LAZY) {
-                vm.getCommitHistory(ownerName = ownerName, repoName = repoName)
-                    .collect { commitListResult ->
-                        commitListResult.doWhen(
-                            onSuccess = { _commitLists ->
-                                val commitLists = _commitLists.value
-                                commitLists.map { commitList ->
-                                    launch {
-                                        vm.getCommitContent(
-                                            ownerName = ownerName,
-                                            repoName = repoName,
-                                            sha = commitList.sha
-                                        ).collect { commitContentResult ->
-                                            commitContentResult.doWhen(
-                                                onSuccess = { commitContents ->
-                                                    commitContents.value.forEach { commitContentItem ->
-                                                        Timber.i("added: ${commitContentItem.filename}")
-                                                        logs.add(
-                                                            CommitHistoryItem(
-                                                                key = commitList,
-                                                                items = commitContentItem
-                                                            )
-                                                        )
-                                                    }
-                                                },
-                                                onFail = { exception ->
-                                                    Timber.e(exception)
-                                                }
-                                            )
-                                        }
-                                    }
-                                }.joinAll()
-                            },
-                            onFail = { exception ->
-                                Timber.e(exception)
-                            }
-                        )
-                    }
-            }
-
-            job.start()
-            job.join()
-            Timber.i("job finish")
-            _logs.addAll(logs.sortedByDescending { it.key.date }.map { it.items.filename })
-        }
-    }
-}
+class TestActivity : AppCompatActivity()
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/test/TestViewModel.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/test/TestViewModel.kt
deleted file mode 100644
index 06fa1f09..00000000
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/test/TestViewModel.kt
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
- * GitMessengerBot license is under the GPL-3.0.
- *
- * [TestViewModel.kt] created by Ji Sungbin on 21. 9. 7. 오후 10:47
- *
- * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
- */
-
-package io.github.jisungbin.gitmessengerbot.test
-
-import androidx.lifecycle.LiveData
-import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.ViewModel
-
-class TestViewModel : ViewModel() {
-    private var lastScrollIndex = 0
-
-    private val _scrollUp = MutableLiveData(false)
-    val scrollUp: LiveData<Boolean> get() = _scrollUp
-
-    fun updateScrollPosition(newScrollIndex: Int) {
-        if (newScrollIndex == lastScrollIndex) return
-
-        _scrollUp.value = newScrollIndex > lastScrollIndex
-        lastScrollIndex = newScrollIndex
-    }
-}
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/test/main.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/test/main.kt
deleted file mode 100644
index b1b3b51a..00000000
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/test/main.kt
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
- * GitMessengerBot license is under the GPL-3.0.
- *
- * [main.kt] created by Ji Sungbin on 21. 9. 16. 오후 12:49
- *
- * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
- */
-
-package io.github.jisungbin.gitmessengerbot.test
-
-import kotlinx.coroutines.ExperimentalCoroutinesApi
-import kotlinx.coroutines.cancel
-import kotlinx.coroutines.channels.awaitClose
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.SharingStarted
-import kotlinx.coroutines.flow.callbackFlow
-import kotlinx.coroutines.flow.collect
-import kotlinx.coroutines.flow.shareIn
-import kotlinx.coroutines.runBlocking
-
-lateinit var flow: Flow<String>
-
-fun main() = runBlocking {
-    println("Start")
-    flowTest()
-    flow.shareIn(this, SharingStarted.WhileSubscribed()).collect {
-        println(it)
-        cancel()
-    }
-}
-
-@OptIn(ExperimentalCoroutinesApi::class)
-fun flowTest() {
-    flow = callbackFlow {
-        trySend("Done.")
-        awaitClose { println("close") }
-    }
-}
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/ui/exception/ExceptionDialog.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/ui/exception/ExceptionDialog.kt
index 1f304271..d05ca9f2 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/ui/exception/ExceptionDialog.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/ui/exception/ExceptionDialog.kt
@@ -9,69 +9,46 @@
 
 package io.github.jisungbin.gitmessengerbot.ui.exception
 
+import androidx.compose.foundation.ExperimentalFoundationApi
+import androidx.compose.foundation.combinedClickable
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.AlertDialog
-import androidx.compose.material.OutlinedButton
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.MutableState
-import androidx.compose.runtime.mutableStateOf
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import io.github.jisungbin.gitmessengerbot.common.core.Util
-import io.github.jisungbin.gitmessengerbot.common.exception.PresentationException
-
-private val LocalExceptionDialogOption = ExceptionDialogOption(
-    exception = PresentationException("Something Exception.")
-)
-
-fun showExceptionDialog(exception: Exception) {
-    LocalExceptionDialogOption.visible.value = true
-    LocalExceptionDialogOption.exception.value = exception
-}
-
-private interface ExceptionDialogOption {
-    val visible: MutableState<Boolean>
-    val exception: MutableState<Exception>
-}
-
-private class ExceptionDialogOptionImpl(
-    override var visible: MutableState<Boolean>,
-    override var exception: MutableState<Exception>,
-) : ExceptionDialogOption
-
-private fun ExceptionDialogOption(exception: Exception): ExceptionDialogOption =
-    ExceptionDialogOptionImpl(mutableStateOf(false), mutableStateOf(exception))
 
+@OptIn(ExperimentalFoundationApi::class)
 @Composable
-fun ExceptionDialog() {
-    if (LocalExceptionDialogOption.visible.value) {
+fun ExceptionDialog(exception: MutableState<Exception?>) {
+    if (exception.value != null) {
         val context = LocalContext.current
         val contents = listOf("눈덩이", "돌덩이", "나뭇가지", "새똥", "나뭇잎", "흙더미")
-        val exceptionMessage =
-            LocalExceptionDialogOption.exception.value.message?.replace(
-                "io.github.jisungbin.gitmessengerbot.common.exception",
-                ""
-            ) ?: "오류를 불러올 수 없음"
+        val exceptionMessage = exception.value!!.message ?: "오류를 불러올 수 없음"
 
         AlertDialog(
-            onDismissRequest = { LocalExceptionDialogOption.visible.value = false },
-            confirmButton = {
-                OutlinedButton(onClick = { Util.copy(context, exceptionMessage) }) {
-                    Text(text = "에러 복사")
-                }
-            },
+            onDismissRequest = { exception.value = null },
+            buttons = {},
             shape = RoundedCornerShape(30.dp),
             text = {
                 Text(
                     text = "깃메봇이가 예상치 못한 ${contents.random()}에 맞았어요 \uD83E\uDD72\n\n$exceptionMessage",
                     textAlign = TextAlign.Center,
                     color = Color.Black,
-                    modifier = Modifier.fillMaxWidth()
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .combinedClickable(
+                            onClick = {},
+                            onLongClick = {
+                                Util.copy(context, exceptionMessage)
+                            }
+                        )
                 )
             }
         )
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/ui/imageviewer/ImageViewActivity.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/ui/imageviewer/ImageViewActivity.kt
index c36a083a..64be0607 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/ui/imageviewer/ImageViewActivity.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/ui/imageviewer/ImageViewActivity.kt
@@ -26,51 +26,30 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
-import com.mindorks.ViewColorGenerator
-import com.mindorks.`interface`.OnImageLoaded
 import com.skydoves.landscapist.CircularReveal
 import com.skydoves.landscapist.coil.CoilImage
-import io.github.jisungbin.gitmessengerbot.common.config.IntentConfig
-import io.github.jisungbin.gitmessengerbot.common.exception.PresentationException
+import com.skydoves.landscapist.palette.BitmapPalette
+import io.github.jisungbin.gitmessengerbot.common.constant.IntentConstant
 import io.github.jisungbin.gitmessengerbot.theme.MaterialTheme
 import io.github.jisungbin.gitmessengerbot.theme.SystemUiController
 
 class ImageViewActivity : ComponentActivity() {
 
     private var onBackPressed by mutableStateOf(false)
-    private var dominantComposeColor by mutableStateOf(Color.White)
+    private var dominantColor by mutableStateOf(Color.White)
 
     @OptIn(ExperimentalAnimationApi::class)
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        val imageUrl = intent.getStringExtra(IntentConfig.ImageUrl)
-            ?: throw PresentationException("'${IntentConfig.ImageUrl}' intent extra value is null.")
+        val imageUrl = intent.getStringExtra(IntentConstant.ImageUrl)!!
 
-        ViewColorGenerator().load(
-            imageUrl,
-            object : OnImageLoaded {
-                override fun onImageLoaded(
-                    vibrantColor: String,
-                    vibrantLightColor: String,
-                    vibrantDarkColor: String,
-                    mutedColor: String,
-                    mutedLightColor: String,
-                    mutedDarkColor: String,
-                    dominantColor: String,
-                ) {
-                    dominantComposeColor = Color(android.graphics.Color.parseColor(dominantColor))
-                }
-            }
-        )
-
-        SystemUiController(window).setSystemBarsColor(dominantComposeColor)
         setContent {
             MaterialTheme {
                 Box(
                     modifier = Modifier
                         .fillMaxSize()
-                        .background(dominantComposeColor),
+                        .background(dominantColor),
                     contentAlignment = Alignment.Center
                 ) {
                     AnimatedVisibility(
@@ -81,7 +60,11 @@ class ImageViewActivity : ComponentActivity() {
                         CoilImage(
                             imageModel = imageUrl,
                             modifier = Modifier.wrapContentSize(),
-                            circularReveal = CircularReveal()
+                            circularReveal = CircularReveal(),
+                            bitmapPalette = BitmapPalette { palette ->
+                                dominantColor = Color(palette.dominantSwatch?.rgb ?: 0)
+                                SystemUiController(window).setSystemBarsColor(dominantColor)
+                            }
                         )
                     }
                 }
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/util/ISO8601Util.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/util/ISO8601Util.kt
index 0c80fa06..dc5ac9fb 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/util/ISO8601Util.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/util/ISO8601Util.kt
@@ -22,7 +22,7 @@ object ISO8601Util {
 
         val outputFormat = SimpleDateFormat("yyyy.MM.dd HH:mm:ss", Locale.KOREA)
         val date = inputFormat.parse(time)
-            ?: throw PresentationException("ISO8601Util.convertKST inputFormat.parse is null.")
+            ?: throw PresentationException("inputFormat.parse 값이 null 이에요.")
 
         return outputFormat.format(date).toString()
     }
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/util/RequestResult.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/util/RequestResult.kt
deleted file mode 100644
index e3895588..00000000
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/util/RequestResult.kt
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * GitMessengerBot © 2021 지성빈 & 구환. all rights reserved.
- * GitMessengerBot license is under the GPL-3.0.
- *
- * [RequestResult.kt] created by Ji Sungbin on 21. 8. 29. 오후 7:49
- *
- * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
- */
-
-package io.github.jisungbin.gitmessengerbot.util
-
-sealed class RequestResult<out T> {
-    data class Success<out T>(val response: T) : RequestResult<T>()
-    data class Fail(val exception: Exception) : RequestResult<Nothing>()
-}
-
-suspend fun <T> RequestResult<T>.doWhen(
-    onSuccess: suspend (T) -> Unit,
-    onFail: suspend (Exception) -> Unit,
-) {
-    when (this) {
-        is RequestResult.Success -> onSuccess(response)
-        is RequestResult.Fail -> onFail(exception)
-    }
-}
diff --git a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/util/extension/Modifier.kt b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/util/extension/Modifier.kt
index f93b1639..9c18e4af 100644
--- a/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/util/extension/Modifier.kt
+++ b/presentation/src/main/kotlin/io/github/jisungbin/gitmessengerbot/util/extension/Modifier.kt
@@ -7,8 +7,6 @@
  * Please see: https://github.com/GitMessengerBot/GitMessengerBot-Android/blob/master/LICENSE.
  */
 
-@file:Suppress("UnnecessaryComposedModifier")
-
 package io.github.jisungbin.gitmessengerbot.util.extension
 
 import androidx.compose.foundation.ExperimentalFoundationApi
@@ -19,6 +17,7 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.composed
 
 // https://stackoverflow.com/a/66839858/14299073s
+@Suppress("UnnecessaryComposedModifier")
 @OptIn(ExperimentalFoundationApi::class)
 inline fun Modifier.noRippleClickable(
     crossinline onClick: () -> Unit,
diff --git a/presentation/src/main/res/values/strings.xml b/presentation/src/main/res/values/strings.xml
index c7099758..60c44448 100644
--- a/presentation/src/main/res/values/strings.xml
+++ b/presentation/src/main/res/values/strings.xml
@@ -26,7 +26,7 @@
     <string name="setup_dialog_way_to_get_personal_key">개인 키 얻는법</string>
     <string name="setup_dialog_open_github">깃허브 열기</string>
     <string name="setup_dialog_start">시작하기</string>
-    <string name="vm_setup_toast_welcome_start">%s님 환영합니다! 🎉🎈</string>
+    <string name="activity_setup_toast_welcome">%s님 환영합니다! 🎉🎈</string>
 
     <string name="composable_main_welcome">Hi, %s</string>
     <string name="composable_main_header_power">메인 전원</string>