diff --git a/features/home/src/main/ets/view/BannerView.ets b/features/home/src/main/ets/view/BannerView.ets
index 2fce5e9259888b7bc6dcb5b9bf3800d822375b05..970a7a89060295cc40add7882e4b3cfa9fe276a4 100644
--- a/features/home/src/main/ets/view/BannerView.ets
+++ b/features/home/src/main/ets/view/BannerView.ets
@@ -58,10 +58,13 @@ export struct BannerView {
       // Banner layout.
       Row() {
         // [Start bannerView]
+        // [Start swiper1]
         Swiper() {
           // [StartExclude bannerView]
           LazyForEach(this.bannerDataSource, (item: Banner, index: number) => {
+            // [StartExclude swiper1]
             Stack() {
+              // [EndExclude swiper1]
               Image(this.currentWidthBreakpoint === BreakpointConstants.BREAKPOINT_SM ? item.getBannerImg().getImgSrcSm() :
                 item.getBannerImg().getImgSrc())
                 .objectFit(ImageFit.Fill)
@@ -70,7 +73,7 @@ export struct BannerView {
                 .width(CommonConstants.FULL_PERCENT)
                 .focusable(true)
                 .zIndex(1)
-
+              // [StartExclude swiper1]
               Column() {
                 Text(item.getDescription().getIsLeftCenter().getValue(this.currentWidthBreakpoint) ?
                   `${item.getDescription().getDescription()[0]}${item.getDescription().getDescription()[1]}` :
@@ -130,9 +133,11 @@ export struct BannerView {
               left: this.currentWidthBreakpoint === BreakpointConstants.BREAKPOINT_SM ? $r('app.float.banner_padding_sm') : 0,
               right: this.currentWidthBreakpoint === BreakpointConstants.BREAKPOINT_SM ? $r('app.float.banner_padding_sm') : 0
             })
+            // [EndExclude swiper1]
           }, (item: Banner, index: number) => index + JSON.stringify(item))
           // [EndExclude bannerView]
         }
+        // [End swiper1]
         .displayCount(this.currentWidthBreakpoint === BreakpointConstants.BREAKPOINT_SM ? 1 : HomeConstants.TWO)
         // Interval between banner images
         .itemSpace(HomeConstants.SWIPER_ITEM_SPACE)
@@ -160,8 +165,9 @@ export struct BannerView {
         .effectMode(EdgeEffect.None)
         // The sizes of the front and rear banners on the MD and LG devices are different.
         .index(2)
+        // [Start swiper1]
         .tabIndex(getTabIndex(HomeConstants.DIRECTION_LIST[2]))
-
+        // [End swiper1]
         // Switch the tab to switch the banner display effect.
         Row({ space: HomeConstants.BANNER_ROW_SPACE }) {
           BannerText({
@@ -308,11 +314,14 @@ struct BannerText {
 
   build() {
     Stack() {
+      // [Start fill]
       Image(((this.index === 0) || (this.index === 1)) ? this.banner.getBannerImg().getImgSrcSm() :
         this.banner.getBannerImg().getImgSrc())
         .width(CommonConstants.FULL_PERCENT)
         .height(CommonConstants.FULL_PERCENT)
         .objectFit(ImageFit.Fill)
+        .hoverEffect(HoverEffect.Scale)
+          // [Start fill]
         .borderRadius($r('app.float.banner_img_border_radius'))
 
       Column() {
diff --git a/features/home/src/main/ets/view/RecommendedVideo.ets b/features/home/src/main/ets/view/RecommendedVideo.ets
index bca7aa4d93b3270b0fe1763348067319ead71d1a..8d7264a130133a5e677b15c508aad92a251f7400 100644
--- a/features/home/src/main/ets/view/RecommendedVideo.ets
+++ b/features/home/src/main/ets/view/RecommendedVideo.ets
@@ -37,7 +37,9 @@ export struct RecommendedVideo {
   build() {
     // Video grid layout.
     // [Start RecommendedVideo]
+    // [Start grid1]
     Grid() {
+      // [StartExclude grid1]
       ForEach(this.videoImgList, (item: VideoImage, index: number) => {
         GridItem() {
           Column() {
@@ -134,7 +136,9 @@ export struct RecommendedVideo {
           .alignItems(HorizontalAlign.Start)
         }
       }, (item: VideoImage, index: number) => index + JSON.stringify(item))
+      // [EndExclude grid1]
     }
+    // [End grid1]
     // [StartExclude RecommendedVideo]
     .tabIndex(getTabIndex(HomeConstants.DIRECTION_LIST[4]))
     .editMode(false)
@@ -160,6 +164,7 @@ export struct RecommendedVideo {
       bottom: $r('app.float.recommended_video_padding_bottom')
     })
     // Zooming and pinching functions of the grid.
+    // [Start grid1]
     .gesture(PinchGesture({ fingers: 2 }).onActionUpdate((event: GestureEvent) => {
       if (event.scale > 1 && this.currentWidthBreakpoint !== BreakpointConstants.BREAKPOINT_SM) {
         if (this.currentWidthBreakpoint === BreakpointConstants.BREAKPOINT_MD) {
@@ -193,6 +198,7 @@ export struct RecommendedVideo {
         Logger.info(`Two-finger operation is not supported`);
       }
     }))
+    // [End grid1]
   }
 
   getGridHeight(videoGridColumn: string, currentWidthBreakpoint: string, windowWidth: number): string {
diff --git a/features/videoDetail/src/main/ets/view/VideoDetail.ets b/features/videoDetail/src/main/ets/view/VideoDetail.ets
index a5db64fed2ee1d9a71b3adeedc05cc6ea7403ac8..b0424c092e8c4deae94c97d2096ea713fd1484e0 100644
--- a/features/videoDetail/src/main/ets/view/VideoDetail.ets
+++ b/features/videoDetail/src/main/ets/view/VideoDetail.ets
@@ -251,22 +251,29 @@ export struct VideoDetail {
         }
       }
     })
+    // [Start key_event]
     .onKeyEvent((event?: KeyEvent) => {
+      //If the key type is pressed, the subsequent code will not be executed, and the specific key logic will be executed when released.
       if (!event || event.type !== KeyType.Down) {
         return;
       }
+      // Space key controls pause/play.
       if (event.keyCode === KeyCode.KEYCODE_SPACE) {
         this.avPlayerUtil!.playerStateControl();
       }
+      //press ESC to exit full screen.
       if (event.keyCode === KeyCode.KEYCODE_ESCAPE) {
         this.windowUtil!.recover();
       }
+      //Right-click fast forward
       if (event.keyCode === KeyCode.KEYCODE_DPAD_RIGHT) {
         this.avPlayerUtil!.fastForward();
       }
+      //Left click to go back quickly
       if (event.keyCode === KeyCode.KEYCODE_DPAD_LEFT) {
         this.avPlayerUtil!.rewind();
       }
     })
+    // [End key_event]
   }
 }
\ No newline at end of file