diff --git a/entry/src/main/ets/entryability/EntryAbility.ets b/entry/src/main/ets/entryability/EntryAbility.ets
index 09ef9e4297f8866a275977830b7c86d7472e4955..3a1f3c21b4e90aefb8bd202d1244fb1e9380df3f 100644
--- a/entry/src/main/ets/entryability/EntryAbility.ets
+++ b/entry/src/main/ets/entryability/EntryAbility.ets
@@ -23,18 +23,22 @@ export default class EntryAbility extends UIAbility {
   private curBp: string = '';
 
   private updateBreakpoint(windowWidth: number): void {
-    let windowWidthVp = windowWidth / display.getDefaultDisplaySync().densityPixels;
-    let newBp: string = '';
-    if (windowWidthVp < 600) {
-      newBp = 'sm';
-    } else if (windowWidthVp < 840) {
-      newBp = 'md';
-    } else {
-      newBp = 'lg';
-    }
-    if (this.curBp !== newBp) {
-      this.curBp = newBp;
-      AppStorage.setOrCreate('currentBreakpoint', this.curBp);
+    try {
+      let windowWidthVp = windowWidth / display.getDefaultDisplaySync().densityPixels;
+      let newBp: string = '';
+      if (windowWidthVp < 600) {
+        newBp = 'sm';
+      } else if (windowWidthVp < 840) {
+        newBp = 'md';
+      } else {
+        newBp = 'lg';
+      }
+      if (this.curBp !== newBp) {
+        this.curBp = newBp;
+        AppStorage.setOrCreate('currentBreakpoint', this.curBp);
+      }
+    } catch (err) {
+      hilog.error(0x0000, 'EntryAbility', `An unexpected error occurred. Code: ${err.code}, message: ${err.message}`);
     }
   }
 
@@ -44,15 +48,6 @@ 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');
   }