diff --git a/entry/src/main/ets/entryability/EntryAbility.ets b/entry/src/main/ets/entryability/EntryAbility.ets
index 52b6c8cb4732068c2688956db238e1c969c52f0f..56deb8c2f2b9131cc11fb987278628b7b6983617 100644
--- a/entry/src/main/ets/entryability/EntryAbility.ets
+++ b/entry/src/main/ets/entryability/EntryAbility.ets
@@ -23,7 +23,6 @@ import { Constants } from '../common/Constants';
 const TAG: string = '[EntryAbility]'
 
 export default class EntryAbility extends UIAbility {
-  private windowObj?: window.Window;
   private curBp: string = '';
 
   private updateBreakpoint(windowWidth: number): void {
@@ -38,10 +37,11 @@ export default class EntryAbility extends UIAbility {
         newBp = Constants.BREAK_POINT_LG;
       }
       if (this.curBp !== newBp) {
+        this.curBp = newBp;
         AppStorage.setOrCreate('currentBreakpoint', this.curBp);
       }
     } catch (error) {
-      hilog.error(0x0000, TAG, 'updateBreakpoint catch err:', JSON.stringify(error) ?? '');
+      hilog.error(0x0000, TAG, `updateBreakpoint catch err:`, JSON.stringify((error as BusinessError).message) ?? '');
     }
   }
 
@@ -60,7 +60,6 @@ export default class EntryAbility extends UIAbility {
       avoidArea = windowObj.getWindowAvoidArea(type);
       let topRectHeight = avoidArea.topRect.height;
       AppStorage.setOrCreate('topRectHeight', topRectHeight);
-      this.windowObj = windowObj;
       this.updateBreakpoint(windowObj.getWindowProperties().windowRect.width);
       windowObj.on('windowSizeChange', (windowSize) => {
         this.updateBreakpoint(windowSize.width);
diff --git a/entry/src/main/ets/view/SampleUnitView.ets b/entry/src/main/ets/view/SampleUnitView.ets
index f2376dc2de0226c179490e13041c9061058b6155..f6a03c54f6e43cfe6a643bcc894a0121b46d55ff 100644
--- a/entry/src/main/ets/view/SampleUnitView.ets
+++ b/entry/src/main/ets/view/SampleUnitView.ets
@@ -36,7 +36,6 @@ export default struct SampleUnitView {
   @Prop buttonUnit: ButtonUnitItem;
   @Prop type: string;
   @Prop imageArray: Resource[];
-  private controller: VideoController = new VideoController();
 
   build() {
     Flex({ direction: FlexDirection.Column }) {
@@ -48,7 +47,7 @@ export default struct SampleUnitView {
         .fontFamily(FONT_FAMILY)
         .margin({ bottom: STATIC_MARGIN })
       if (this.type === TYPE_ENUM[0]) {
-        SampleUnitVideoView({ controller: this.controller });
+        SampleUnitVideoView();
       } else if (this.type === TYPE_ENUM[1]) {
         SampleUnitPicView({ imageArray: this.imageArray });
       }