diff --git a/src/main/java/com/letmeknow/auth/filter/auth/AuthenticationProcessFilter.java b/src/main/java/com/letmeknow/auth/filter/auth/AuthenticationProcessFilter.java
index d2816a0..270b93d 100644
--- a/src/main/java/com/letmeknow/auth/filter/auth/AuthenticationProcessFilter.java
+++ b/src/main/java/com/letmeknow/auth/filter/auth/AuthenticationProcessFilter.java
@@ -43,7 +43,7 @@ public class AuthenticationProcessFilter extends OncePerRequestFilter {
     private final JwtService jwtService;
     private final ObjectMapper objectMapper;
 
-    private static final List<String> NO_CHECK_URL = Arrays.asList("/api/auth", "/auth/member");
+    private static final List<String> NO_CHECK_URL = Arrays.asList("/api/auth", "/auth/member", "/support");
 
     /**
      * "/auth/login"으로 시작하는 URL 요청은 logIn 검증 및 authenticate X
diff --git a/src/main/java/com/letmeknow/config/security/CorsConfig.java b/src/main/java/com/letmeknow/config/security/CorsConfig.java
index ca05990..276b58b 100644
--- a/src/main/java/com/letmeknow/config/security/CorsConfig.java
+++ b/src/main/java/com/letmeknow/config/security/CorsConfig.java
@@ -1,5 +1,6 @@
 package com.letmeknow.config.security;
 
+import com.letmeknow.enumstorage.SpringProfile;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -15,6 +16,12 @@ public class CorsConfig {
     @Value("${allowed-origin}")
     private String allowedOrigin;
 
+    @Value("${spring.profiles.active}")
+    private String activeProfile;
+
+    @Value("${server.port}")
+    private String port;
+
     @Bean
     public CorsConfigurationSource corsConfigurationSource() {
         CorsConfiguration config = new CorsConfiguration();
@@ -23,8 +30,13 @@ public CorsConfigurationSource corsConfigurationSource() {
         config.setAllowedHeaders(List.of("Authorization", "AuthorizationRefresh, DeviceToken"));
         config.setExposedHeaders(List.of("Authorization", "AuthorizationRefresh, DeviceToken"));
 
-        String httpsDomain = allowedOrigin.replace("http", "https");
-        config.setAllowedOrigins(List.of(allowedOrigin, httpsDomain));
+        String withPort = allowedOrigin;
+        if (activeProfile.equals(SpringProfile.LOCAL.getProfile())) {
+            withPort += ":" + port;
+        }
+
+        String domain = allowedOrigin.replace("http", "https");
+        config.setAllowedOrigins(List.of(withPort, domain));
         config.setAllowedMethods(List.of("*"));
 
         UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
diff --git a/src/main/java/com/letmeknow/config/security/SecurityConfig.java b/src/main/java/com/letmeknow/config/security/SecurityConfig.java
index 1551c62..163d8ff 100644
--- a/src/main/java/com/letmeknow/config/security/SecurityConfig.java
+++ b/src/main/java/com/letmeknow/config/security/SecurityConfig.java
@@ -64,6 +64,8 @@ public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
                         .antMatchers("/api/member/**").permitAll()
                         .antMatchers("/api/request/**").permitAll()
                         .antMatchers("/auth/**").permitAll()
+
+                        .antMatchers("/support/**").permitAll()
                         .anyRequest().authenticated()
                 );
 
diff --git a/src/main/java/com/letmeknow/controller/SupportController.java b/src/main/java/com/letmeknow/controller/SupportController.java
new file mode 100644
index 0000000..ac389d7
--- /dev/null
+++ b/src/main/java/com/letmeknow/controller/SupportController.java
@@ -0,0 +1,14 @@
+package com.letmeknow.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+@RequestMapping(value = "/support")
+public class SupportController {
+    @GetMapping
+    public String getSupportPage() {
+        return "support/support";
+    }
+}
diff --git a/src/main/java/com/letmeknow/repository/board/BoardRepositoryImpl.java b/src/main/java/com/letmeknow/repository/board/BoardRepositoryImpl.java
index 2e028cf..0f2ce32 100644
--- a/src/main/java/com/letmeknow/repository/board/BoardRepositoryImpl.java
+++ b/src/main/java/com/letmeknow/repository/board/BoardRepositoryImpl.java
@@ -1,16 +1,9 @@
 package com.letmeknow.repository.board;
 
-import com.letmeknow.entity.Board;
-import com.querydsl.jpa.impl.JPAQueryFactory;
+import javax.persistence.EntityManager;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Repository;
 
-import javax.persistence.EntityManager;
-import java.util.List;
-
-import static com.letmeknow.entity.QBoard.board;
-import static com.letmeknow.entity.notification.QSubscription.subscription;
-
 @Repository
 @RequiredArgsConstructor
 public class BoardRepositoryImpl implements BoardRepositoryQueryDsl {
diff --git a/src/main/resources/templates/fragments/footer.html b/src/main/resources/templates/fragments/footer.html
index 323260c..969db84 100755
--- a/src/main/resources/templates/fragments/footer.html
+++ b/src/main/resources/templates/fragments/footer.html
@@ -1,5 +1,10 @@
 <!DOCTYPE html>
 <html xmlns:th="http://www.thymeleaf.org">
 <div class="footer" th:fragment="footer">
-    <p>&copy; Let Me Know</p>
+    <footer class="my-5 pt-5 text-muted text-center text-small">
+        <p class="mb-1">© 2023 Let Me Know</p>
+        <ul class="list-inline">
+            <li class="list-inline-item"><a href="/support">Support</a></li>
+        </ul>
+    </footer>
 </div>
diff --git a/src/main/resources/templates/fragments/header.html b/src/main/resources/templates/fragments/header.html
index c3663ac..c9403d9 100755
--- a/src/main/resources/templates/fragments/header.html
+++ b/src/main/resources/templates/fragments/header.html
@@ -6,9 +6,9 @@
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
 
     <!-- Bootstrap CSS -->
-    <link rel="stylesheet" href="https://app.letmeknow.store/css/bootstrap.min.css" integrity="sha384-xOolHFLEh07PJGoPkLv1IbcEPTNtaed2xpHsD9ESMhqIYd0nLMwNLD69Npy4HI+N" crossorigin="anonymous">
+    <link rel="stylesheet" href="/css/bootstrap.min.css" integrity="sha384-xOolHFLEh07PJGoPkLv1IbcEPTNtaed2xpHsD9ESMhqIYd0nLMwNLD69Npy4HI+N" crossorigin="anonymous">
     <!-- Custom styles for this template -->
-    <link href="https://app.letmeknow.store/css/jumbotron-narrow.css" rel="stylesheet">
+    <link href="/css/jumbotron-narrow.css" rel="stylesheet">
 
     <title>Let Me Know</title>
 </head>
diff --git a/src/main/resources/templates/home.html b/src/main/resources/templates/home.html
index 210792a..164011d 100755
--- a/src/main/resources/templates/home.html
+++ b/src/main/resources/templates/home.html
@@ -12,30 +12,16 @@
     <div th:replace="fragments/bodyHeader :: bodyHeader" />
 
     <div class="jumbotron">
-        <h2>LetMeKnow</h2>
-        <p th:unless="${username}" class="lead">회원 기능</p>
-        <p th:unless="${username}">
-            <a class="btn btn-lg btn-secondary" href="/auth/login">로그인</a>
-        </p>
-        <p th:if="${username}" class="lead" th:text="'안녕하세요 ' + ${username} + '님'"></p>
-        <p th:if="${username}">
-            <a class="btn btn-lg btn-secondary" th:href="@{/members/{memberId}(memberId = ${memberFindDto.id})}">내 정보</a>
-            <a class="btn btn-lg btn-secondary" href="/auth/logout">로그아웃</a>
-        </p>
-        <p class="lead">상품 기능</p>
-        <p>
-            <a class="btn btn-lg btn-dark" href="/items/new">상품 등록</a>
-            <a class="btn btn-lg btn-dark" href="/items">상품 목록</a>
-        </p>
-        <p class="lead">주문 기능</p>
+        <h1>Let Me Know!</h1>
+        <h3>대학교 단과대 게시판 구독 서비스</h3>
         <p>
-            <a class="btn btn-lg btn-info" href="/order">상품 주문</a>
-            <a class="btn btn-lg btn-info" href="/orders">주문 내역</a>
+            이 서비스는 대학교 단과대 게시판의 새로운 글을 알려주는 서비스입니다.<br>
+
+            게시판을 찾아 구독하고, 새로운 글이 올라오면 알림을 받아보세요!
         </p>
     </div>
 
     <div th:replace="fragments/footer :: footer" />
-
 </div>
 
 </body>
diff --git a/src/main/resources/templates/support/support.html b/src/main/resources/templates/support/support.html
new file mode 100644
index 0000000..c60f3e4
--- /dev/null
+++ b/src/main/resources/templates/support/support.html
@@ -0,0 +1,26 @@
+<!DOCTYPE HTML>
+<html xmlns:th="http://www.thymeleaf.org">
+<head th:replace="fragments/header :: header">
+    <title>Hello</title>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+</head>
+
+<body>
+
+<div class="container">
+
+    <div th:replace="fragments/bodyHeader :: bodyHeader" />
+
+    <div class="jumbotron">
+        <h1>개발자에게 문의하기</h1>
+        <p>
+            <a href="mailto:cha3088@gmail.com" target="_blank" class="btn btn-light">cha3088@gmail.com</a>
+        </p>
+        <p>
+            <a href="https://github.com/ChaCha3088" target="_blank" class="btn btn-dark">GitHub</a>
+        </p>
+    </div>
+    <div th:replace="fragments/footer :: footer" />
+
+</body>
+</html>