diff --git a/app/build.gradle b/app/build.gradle
index 49cda3d..0bff609 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -16,8 +16,8 @@ android {
         applicationId "com.uiui.aios"
         minSdkVersion 24
         targetSdkVersion 29
-        versionCode 40
-        versionName "4.9"
+        versionCode 42
+        versionName "5.1"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
diff --git a/app/src/main/java/com/uiui/aios/activity/NoticeActivity.java b/app/src/main/java/com/uiui/aios/activity/NoticeActivity.java
index 1e0d492..80b9947 100644
--- a/app/src/main/java/com/uiui/aios/activity/NoticeActivity.java
+++ b/app/src/main/java/com/uiui/aios/activity/NoticeActivity.java
@@ -192,12 +192,16 @@ public class NoticeActivity extends AppCompatActivity {
                 JZDataSource jzDataSource;
                 if (!file.exists()) {
                     jzDataSource = new JZDataSource(filePath, "");
+                    Log.e(TAG, "showData: not exists");
                 } else {
+                    Log.e(TAG, "showData: exists " + file);
                     URI uri = file.toURI();
                     jzDataSource = new JZDataSource(uri.toString(), "");
                 }
                 jzDataSource.looping = true;
                 jz_video.setUp(jzDataSource, Jzvd.SCREEN_NORMAL);
+                jz_video.startPreloading();
+                jz_video.startVideoAfterPreloading();
                 jz_video.startVideo();
             }
         } else {
diff --git a/app/src/main/java/com/uiui/aios/service/main/MainService.java b/app/src/main/java/com/uiui/aios/service/main/MainService.java
index b392cca..85a2b17 100644
--- a/app/src/main/java/com/uiui/aios/service/main/MainService.java
+++ b/app/src/main/java/com/uiui/aios/service/main/MainService.java
@@ -417,7 +417,7 @@ public class MainService extends BaseService implements MainSContact.MainSView,
     @Download.onTaskComplete
     void taskComplete(DownloadTask task) {
         //在这里处理任务完成的状态
-
+        Log.e(TAG, "taskComplete: "+task.getFilePath() );
     }
 
     @Download.onTaskFail
diff --git a/app/src/main/java/com/uiui/aios/utils/ApkUtils.java b/app/src/main/java/com/uiui/aios/utils/ApkUtils.java
index 6102602..fd5c512 100644
--- a/app/src/main/java/com/uiui/aios/utils/ApkUtils.java
+++ b/app/src/main/java/com/uiui/aios/utils/ApkUtils.java
@@ -67,6 +67,9 @@ public class ApkUtils {
         this.add("com.android.mms");
         this.add("com.uiui.city");
         this.add("com.alldocube.store");
+        this.add("com.android.fmradio");
+        this.add("com.android.documentsui");
+        this.add("com.android.calculator2");
     }};
     private static HashSet<String> allHintPackage = new HashSet<String>() {{
         this.add("com.android.uiuios");