diff --git a/ChangeLog.md b/ChangeLog.md
index 1cb8bb24..f046f19a 100755
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,8 @@
+### v1.5.2 - 2017.05.14
+有童鞋反应动画太慢，移除选择器默认的动画；
+DoublePicker支持设置前缀及后缀标签;
+修复联动选择器不滑动（使用默认项）就确定时的奔溃问题；
+修复setXXRangeStart()及setXXRangeEnd()二者调用顺序颠倒出现的问题；
 ### v1.5.1 - 2017.05.03
 日期时间选择器支持设置各项平分布局;
 顶部按钮文字颜色默认调整为青蓝风格;
diff --git a/app/build.gradle b/app/build.gradle
index 50827ab4..522f13f7 100755
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -26,11 +26,11 @@ dependencies {
     compile project(':library:WheelPicker')
     compile project(':library:FilePicker')
     compile project(':library:ColorPicker')
-//    compile files('libs/AndroidPicker-1.5.1.jar')
+//    compile files('libs/AndroidPicker-1.5.2.jar')
 //    compile 'cn.qqtheme.framework:WheelPicker:latest.release'
 //    compile 'cn.qqtheme.framework:FilePicker:latest.release'
 //    compile 'cn.qqtheme.framework:ColorPicker:latest.release'
-//    compile 'com.github.gzu-liyujiang.AndroidPicker:WheelPicker:1.5.1'
-//    compile 'com.github.gzu-liyujiang.AndroidPicker:FilePicker:1.5.1'
-//    compile 'com.github.gzu-liyujiang.AndroidPicker:ColorPicker:1.5.1'
+//    compile 'com.github.gzu-liyujiang.AndroidPicker:WheelPicker:1.5.2'
+//    compile 'com.github.gzu-liyujiang.AndroidPicker:FilePicker:1.5.2'
+//    compile 'com.github.gzu-liyujiang.AndroidPicker:ColorPicker:1.5.2'
 }
diff --git a/app/src/main/java/cn/qqtheme/androidpicker/MainActivity.java b/app/src/main/java/cn/qqtheme/androidpicker/MainActivity.java
index 48c31502..6f71d44c 100755
--- a/app/src/main/java/cn/qqtheme/androidpicker/MainActivity.java
+++ b/app/src/main/java/cn/qqtheme/androidpicker/MainActivity.java
@@ -3,6 +3,8 @@
 import android.content.Intent;
 import android.graphics.Color;
 import android.net.Uri;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
 import android.view.Gravity;
 import android.view.View;
 import android.widget.TextView;
@@ -105,8 +107,8 @@ public void onYearMonthDayPicker(View view) {
         picker.setCanceledOnTouchOutside(true);
         picker.setUseWeight(true);
         picker.setTopPadding(ConvertUtils.toPx(this, 20));
-        picker.setRangeStart(2016, 8, 29);
         picker.setRangeEnd(2111, 1, 11);
+        picker.setRangeStart(2016, 8, 29);
         picker.setSelectedItem(2050, 10, 14);
         picker.setOnDatePickListener(new DatePicker.OnYearMonthDayPickListener() {
             @Override
@@ -230,9 +232,11 @@ public void onDoublePicker(View view) {
         secondData.add("私家小汽车");
         secondData.add("公共交通汽车");
         final DoublePicker picker = new DoublePicker(this, firstData, secondData);
-        picker.setDividerVisible(false);
-        picker.setShadowColor(Color.DKGRAY, 80);
+        picker.setDividerVisible(true);
+        picker.setCycleDisable(false);
         picker.setSelectedIndex(2, 1);
+        picker.setFirstLabel("于", null);
+        picker.setSecondLabel("骑/乘", "出发");
         picker.setOnPickListener(new DoublePicker.OnPickListener() {
             @Override
             public void onPicked(int selectedFirstIndex, int selectedSecondIndex) {
@@ -243,6 +247,7 @@ public void onPicked(int selectedFirstIndex, int selectedSecondIndex) {
     }
 
     public void onLinkagePicker(View view) {
+        //联动选择器的更多用法，可参见AddressPicker和CarNumberPicker
         LinkagePicker.DataProvider provider = new LinkagePicker.DataProvider() {
 
             @Override
@@ -250,6 +255,7 @@ public boolean isOnlyTwo() {
                 return true;
             }
 
+            @NonNull
             @Override
             public List<String> provideFirstData() {
                 ArrayList<String> firstList = new ArrayList<>();
@@ -258,6 +264,7 @@ public List<String> provideFirstData() {
                 return firstList;
             }
 
+            @NonNull
             @Override
             public List<String> provideSecondData(int firstIndex) {
                 ArrayList<String> secondList = new ArrayList<>();
@@ -273,6 +280,7 @@ public List<String> provideSecondData(int firstIndex) {
                 return secondList;
             }
 
+            @Nullable
             @Override
             public List<String> provideThirdData(int firstIndex, int secondIndex) {
                 return null;
diff --git a/gradle.properties b/gradle.properties
index 1b4c7b27..80399066 100755
--- a/gradle.properties
+++ b/gradle.properties
@@ -15,8 +15,8 @@ com.android.build.gradle.overridePathCheck=true
 #android.useDeprecatedNdk=true
 
 #下面定义一些常量供gradle脚本使用
-VERSION_NAME=1.5.1
-VERSION_CODE=151
+VERSION_NAME=1.5.2
+VERSION_CODE=152
 COMPILE_SDK_VERSION=23
 MIN_SDK_VERSION=14
 #安卓6.0开始(API23+)，需要动态申请权限