diff --git a/README.md b/README.md
index 7b4a1ed8..01e626b9 100644
--- a/README.md
+++ b/README.md
@@ -39,17 +39,17 @@ allprojects {
 
 dependencies {
     # 必选，可兼容市面上绝大部分设备
-    implementation 'com.github.dueeeke.dkplayer:dkplayer-java:2.5.4'
-    implementation 'com.github.dueeeke.dkplayer:dkplayer-armv7a:2.5.4'
+    implementation 'com.github.dueeeke.dkplayer:dkplayer-java:2.5.5'
+    implementation 'com.github.dueeeke.dkplayer:dkplayer-armv7a:2.5.5'
 
     # 可选，用于兼容一些其他的CPU架构
-    implementation 'com.github.dueeeke.dkplayer:dkplayer-armv5:2.5.4'
-    implementation 'com.github.dueeeke.dkplayer:dkplayer-arm64:2.5.4'
-    implementation 'com.github.dueeeke.dkplayer:dkplayer-x86:2.5.4'
-    implementation 'com.github.dueeeke.dkplayer:dkplayer-x86_64:2.5.4'
+    implementation 'com.github.dueeeke.dkplayer:dkplayer-armv5:2.5.5'
+    implementation 'com.github.dueeeke.dkplayer:dkplayer-arm64:2.5.5'
+    implementation 'com.github.dueeeke.dkplayer:dkplayer-x86:2.5.5'
+    implementation 'com.github.dueeeke.dkplayer:dkplayer-x86_64:2.5.5'
 
     # 可选，里面包含StandardVideoController的实现
-    implementation 'com.github.dueeeke.dkplayer:dkplayer-ui:2.5.4'
+    implementation 'com.github.dueeeke.dkplayer:dkplayer-ui:2.5.5'
 }
 ```
 或者将library下载并导入项目中使用
diff --git a/app/build.gradle b/app/build.gradle
index 290b8712..f9dc6814 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -12,8 +12,8 @@ android {
         applicationId "com.dueeeke.dkplayer"
         minSdkVersion rootProject.ext.minSdkVersion
         targetSdkVersion rootProject.ext.targetSdkVersion
-        versionCode 28
-        versionName "2.5.4"
+        versionCode 29
+        versionName "2.5.5"
 
         ndk {
             //打包时保留armeabi-v7a x86 so
@@ -79,10 +79,9 @@ dependencies {
     implementation 'com.github.ctiao:DanmakuFlameMaster:0.8.3'
     implementation 'com.github.ctiao:ndkbitmap-armv7a:0.8.3'
     implementation "com.android.support:design:$rootProject.supportLibraryVersion"
-    implementation 'com.github.rubensousa:gravitysnaphelper:1.5'
     implementation 'com.google.android.exoplayer:exoplayer:2.8.2'
     implementation 'com.google.android.exoplayer:extension-rtmp:2.8.2'
-
+    //缓存
     implementation 'com.danikula:videocache:2.7.1'
 
 
diff --git a/app/src/main/java/com/dueeeke/dkplayer/widget/videoview/CacheIjkVideoView.java b/app/src/main/java/com/dueeeke/dkplayer/widget/videoview/CacheIjkVideoView.java
index ddcd3c4b..9900845e 100644
--- a/app/src/main/java/com/dueeeke/dkplayer/widget/videoview/CacheIjkVideoView.java
+++ b/app/src/main/java/com/dueeeke/dkplayer/widget/videoview/CacheIjkVideoView.java
@@ -67,11 +67,11 @@ public void setCacheEnabled(boolean isEnabled) {
     }
 
     /**
-     * 返回是缓存的进度
+     * 开启缓存后，返回是缓存的进度
      */
     @Override
     public int getBufferedPercentage() {
-        return mBufferedPercentage;
+        return mIsCacheEnabled ? mBufferedPercentage : super.getBufferedPercentage();
     }
 
     @Override
diff --git a/app/src/main/res/layout/activity_cache.xml b/app/src/main/res/layout/activity_cache.xml
index ee8855d6..d9627e54 100644
--- a/app/src/main/res/layout/activity_cache.xml
+++ b/app/src/main/res/layout/activity_cache.xml
@@ -6,6 +6,6 @@
     <com.dueeeke.dkplayer.widget.videoview.CacheIjkVideoView
         android:id="@+id/player"
         android:layout_width="match_parent"
-        android:layout_height="200dp"/>
+        android:layout_height="250dp"/>
 
 </LinearLayout>
\ No newline at end of file