diff --git a/powerbell/build.properties b/powerbell/build.properties
index 7cf1e06..796a519 100644
--- a/powerbell/build.properties
+++ b/powerbell/build.properties
@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Tue Dec 23 21:02:16 HKT 2025
+#Tue Dec 23 16:04:47 GMT 2025
 stageCount=28
 libraryProject=
 baseVersion=15.14
 publishVersion=15.14.27
-buildCount=0
+buildCount=2
 baseBetaVersion=15.14.28
diff --git a/powerbell/src/main/java/cc/winboll/studio/powerbell/MainActivity.java b/powerbell/src/main/java/cc/winboll/studio/powerbell/MainActivity.java
index d2d62e2..81d2b71 100644
--- a/powerbell/src/main/java/cc/winboll/studio/powerbell/MainActivity.java
+++ b/powerbell/src/main/java/cc/winboll/studio/powerbell/MainActivity.java
@@ -45,7 +45,7 @@ public class MainActivity extends WinBoLLActivity implements MainContentView.OnV
 
     // ======================== 静态常量（置顶统一，抽离魔法值）========================
     public static final String TAG = "MainActivity";
-    private static final int REQUEST_READ_MEDIA_IMAGES = 1001;
+    private static final int REQUEST_BACKGROUND_SETTINGS_ACTIVITY = 1001;
     private static final long DELAY_LOAD_NON_CRITICAL = 500L;
     public static final int MSG_RELOAD_APPCONFIG = 0;
     public static final int MSG_CURRENTVALUEBATTERY = 1;
@@ -110,10 +110,7 @@ public class MainActivity extends WinBoLLActivity implements MainContentView.OnV
     protected void onResume() {
         super.onResume();
         LogUtils.d(TAG, "onResume()");
-        if (sGlobalHandler != null) {
-            sGlobalHandler.sendEmptyMessage(MSG_LOAD_BACKGROUND);
-            sGlobalHandler.sendEmptyMessage(MSG_UPDATE_SERVICE_SWITCH);
-        }
+        
         if (mADsBannerView != null) {
             mADsBannerView.resumeADs(this);
         }
@@ -167,7 +164,7 @@ public class MainActivity extends WinBoLLActivity implements MainContentView.OnV
         super.onActivityResult(requestCode, resultCode, data);
         LogUtils.d(TAG, "onActivityResult() | requestCode=" + requestCode + " | resultCode=" + resultCode + " | data=" + data);
         mPermissionUtils.handlePermissionRequest(this, requestCode, resultCode, data);
-        if (requestCode == REQUEST_READ_MEDIA_IMAGES && sGlobalHandler != null) {
+        if (requestCode == REQUEST_BACKGROUND_SETTINGS_ACTIVITY && sGlobalHandler != null) {
             sGlobalHandler.sendEmptyMessage(MSG_LOAD_BACKGROUND);
         }
     }
@@ -207,7 +204,7 @@ public class MainActivity extends WinBoLLActivity implements MainContentView.OnV
                 startActivity(new Intent(this, ClearRecordActivity.class));
                 break;
             case R.id.action_changepicture:
-                startActivityForResult(new Intent(this, BackgroundSettingsActivity.class), REQUEST_READ_MEDIA_IMAGES);
+                startActivityForResult(new Intent(this, BackgroundSettingsActivity.class), REQUEST_BACKGROUND_SETTINGS_ACTIVITY);
                 break;
             case R.id.action_unittestactivity:
                 startActivity(new Intent(this, MainUnitTestActivity.class));
@@ -406,7 +403,7 @@ public class MainActivity extends WinBoLLActivity implements MainContentView.OnV
         }
         BackgroundBean currentBgBean = mBgSourceUtils.getCurrentBackgroundBean();
         if (currentBgBean != null) {
-            mMainContentView.backgroundView.loadByBackgroundBean(currentBgBean);
+            mMainContentView.backgroundView.loadByBackgroundBean(currentBgBean, true);
         } else {
             mMainContentView.backgroundView.setBackgroundResource(R.drawable.default_background);
         }