diff --git a/entry/src/main/ets/entryability/EntryAbility.ets b/entry/src/main/ets/entryability/EntryAbility.ets
index 79542a02ae6659de460c2baae6e53b2d40c69a44..9deb8c937762bd7c054fbf4a8c379d6b82b25671 100644
--- a/entry/src/main/ets/entryability/EntryAbility.ets
+++ b/entry/src/main/ets/entryability/EntryAbility.ets
@@ -13,14 +13,13 @@
  * limitations under the License.
  */
 
-import { Configuration, ConfigurationConstant, UIAbility } from '@kit.AbilityKit';
+import { ConfigurationConstant, UIAbility } from '@kit.AbilityKit';
 import { display, window } from '@kit.ArkUI';
 import { hilog } from '@kit.PerformanceAnalysisKit';
 import { BusinessError } from '@kit.BasicServicesKit';
 import { resourceManager } from '@kit.LocalizationKit';
 
 export default class EntryAbility extends UIAbility {
-  private windowObj?: window.Window;
   private curBp: string = '';
 
   private updateBreakpoint(windowWidth: number): void {
@@ -39,7 +38,8 @@ export default class EntryAbility extends UIAbility {
         AppStorage.setOrCreate('currentBreakpoint', this.curBp);
       }
     } catch (exception) {
-      hilog.error(0x0000, 'testTag', `UpdateBreakpoint fail, error message${JSON.stringify(exception)}`);
+      hilog.error(0x0000, 'testTag',
+        `UpdateBreakpoint fail, error code: ${JSON.stringify((exception as BusinessError).code)}`);
     }
   }
 
@@ -49,15 +49,6 @@ export default class EntryAbility extends UIAbility {
     this.context.getApplicationContext().setColorMode(ConfigurationConstant.ColorMode.COLOR_MODE_NOT_SET);
   }
 
-  onConfigurationUpdate(newConfig: Configuration): void {
-    let newColorMode: ConfigurationConstant.ColorMode =
-      newConfig.colorMode || ConfigurationConstant.ColorMode.COLOR_MODE_DARK;
-    let currentColorMode = AppStorage.get<ConfigurationConstant.ColorMode>('systemColorMode');
-    if (newColorMode !== currentColorMode) {
-      AppStorage.setOrCreate('systemColorMode', newColorMode);
-    }
-  }
-
   onDestroy(): void {
     hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onDestroy');
   }
@@ -72,7 +63,6 @@ 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);