diff --git a/entry/src/main/ets/entryability/EntryAbility.ets b/entry/src/main/ets/entryability/EntryAbility.ets
index a6992d80430f600088242a54bbf16b4c9ef2562d..949a08ecb6d07978bb6ed21a290a6d8630dfdb84 100644
--- a/entry/src/main/ets/entryability/EntryAbility.ets
+++ b/entry/src/main/ets/entryability/EntryAbility.ets
@@ -29,16 +29,11 @@ export default class EntryAbility extends UIAbility {
   uiContext?: UIContext;
   cameraUtil?: CameraUtil;
   windowUtil?: WindowUtil;
-  isFirstCreated: boolean = true;
-  isFirstTime: boolean = true;
   // [EndExclude WindowSizeChange]
+  isFirstTime: boolean = true;
   // [Start Bp2]
-  // [Start SelectCamera2]
-  // [Start SelectCamera4]
   onWindowSizeChange: (windowSize: window.Size) => void = (windowSize: window.Size) => {
-    // [StartExclude SelectCamera4]
     // [StartExclude WindowSizeChange]
-    // [StartExclude SelectCamera2]
     this.setOrientation(this.uiContext!.px2vp(windowSize.width), this.uiContext!.px2vp(windowSize.height));
     // [StartExclude Bp2]
     AppStorage.setOrCreate('windowSize', windowSize);
@@ -49,18 +44,14 @@ export default class EntryAbility extends UIAbility {
     let displayOrientation: display.Orientation = display.getDefaultDisplaySync().orientation;
     AppStorage.setOrCreate('displayOrientation', displayOrientation);
     // [EndExclude WindowSizeChange]
-    // [EndExclude SelectCamera2]
     if (!this.isFirstTime) {
       this.cameraUtil!.setXComponentRect(this.windowUtil!.getWindowSize());
     } else {
       this.isFirstTime = false;
     }
-    // [EndExclude SelectCamera4]
     // [EndExclude Bp2]
   }
-  // [End SelectCamera2]
   // [StartExclude WindowSizeChange]
-  // [End SelectCamera4]
 
   setOrientation(width: number, height: number): void {
     // When the minimum value of window width and height is greater than the md breakpoint threshold, rotation is supported.
@@ -127,12 +118,12 @@ export default class EntryAbility extends UIAbility {
         AppStorage.setOrCreate('heightBp', heightBp);
         let displayOrientation: display.Orientation = display.getDefaultDisplaySync().orientation;
         AppStorage.setOrCreate('displayOrientation', displayOrientation);
+        AppStorage.setOrCreate('isBackground', false);
+        // [EndExclude Bp2]
         // [EndExclude WindowSizeChange]
         // Monitor window size changes and update breakpoints.
-        windowStage.getMainWindowSync().on('windowSizeChange', this.onWindowSizeChange);
+        data.on('windowSizeChange', this.onWindowSizeChange);
         // [StartExclude WindowSizeChange]
-        AppStorage.setOrCreate('isBackground', false);
-        // [EndExclude Bp2]
         let rect: window.Rect = data.getWindowProperties().windowRect;
         this.setOrientation(this.uiContext.px2vp(rect.width), this.uiContext.px2vp(rect.height));
         // [EndExclude WindowSizeChange]
diff --git a/entry/src/main/ets/pages/Index.ets b/entry/src/main/ets/pages/Index.ets
index 5eee6ad4cb6b287523d2401060c6238aa89a3667..9867354cbf3a6602a8d80f6aa094b62e170e6e78 100644
--- a/entry/src/main/ets/pages/Index.ets
+++ b/entry/src/main/ets/pages/Index.ets
@@ -46,6 +46,7 @@ struct Index {
   ];
   // [Start Preview2]
   // [Start FoldStatusChange]
+  // [Start SelectCamera2]
   onFoldStatusChange: (foldStatus: display.FoldStatus) => void = (foldStatus: display.FoldStatus) => {
     if (foldStatus === display.FoldStatus.FOLD_STATUS_HALF_FOLDED) {
       let orientation: display.Orientation = display.getDefaultDisplaySync().orientation;
@@ -69,10 +70,12 @@ struct Index {
       return;
     }
     // [StartExclude Preview2]
+    // [StartExclude SelectCamera2]
     if (this.widthBp !== WidthBreakpoint.WIDTH_SM) {
       this.windowUtil.setMainWindowOrientation(window.Orientation.AUTO_ROTATION_RESTRICTED);
     }
     // [EndExclude Preview2]
+    // [EndExclude SelectCamera2]
     // Exit the half folded status page.
     if (this.isHalfFolded) {
       this.cameraUtil.setXComponentRect(this.windowUtil.getWindowSize());
@@ -89,8 +92,10 @@ struct Index {
         }
       }
     }
+    // [StartExclude SelectCamera2]
     this.isHalfFolded = false;
     this.oldFoldStatus = foldStatus;
+    // [EndExclude SelectCamera2]
   }
   // [End FoldStatusChange]
   // [End Preview2]
@@ -98,6 +103,7 @@ struct Index {
   aboutToAppear(): void {
     display.on('foldStatusChange', this.onFoldStatusChange);
   }
+  // [End SelectCamera2]
 
   // [Start SelectCamera1]
   onPageShow(): void {