diff --git a/entry/src/main/ets/entryability/EntryAbility.ets b/entry/src/main/ets/entryability/EntryAbility.ets
index 2bb4548491da1976005df9b92228eb86be946eeb..4806402170d078c4d3312293490e0400af170347 100644
--- a/entry/src/main/ets/entryability/EntryAbility.ets
+++ b/entry/src/main/ets/entryability/EntryAbility.ets
@@ -52,18 +52,25 @@ export default class EntryAbility extends UIAbility {
 
   onWindowStageCreate(windowStage: window.WindowStage): void {
     windowStage.getMainWindow().then((windowObj: window.Window) => {
-      let type = window.AvoidAreaType.TYPE_NAVIGATION_INDICATOR;
-      let avoidArea = windowObj.getWindowAvoidArea(type);
-      let bottomRectHeight = avoidArea.bottomRect.height;
-      AppStorage.setOrCreate('bottomRectHeight', bottomRectHeight);
-      type = window.AvoidAreaType.TYPE_SYSTEM;
-      avoidArea = windowObj.getWindowAvoidArea(type);
-      let topRectHeight = avoidArea.topRect.height;
-      AppStorage.setOrCreate('topRectHeight', topRectHeight);
-      this.updateBreakpoint(windowObj.getWindowProperties().windowRect.width);
-      windowObj.on('windowSizeChange', (windowSize) => {
-        this.updateBreakpoint(windowSize.width);
-      })
+      try {
+        let type = window.AvoidAreaType.TYPE_NAVIGATION_INDICATOR;
+        let avoidArea = windowObj.getWindowAvoidArea(type);
+        let bottomRectHeight = avoidArea.bottomRect.height;
+        AppStorage.setOrCreate('bottomRectHeight', bottomRectHeight);
+        type = window.AvoidAreaType.TYPE_SYSTEM;
+        avoidArea = windowObj.getWindowAvoidArea(type);
+        let topRectHeight = avoidArea.topRect.height;
+        AppStorage.setOrCreate('topRectHeight', topRectHeight);
+        this.updateBreakpoint(windowObj.getWindowProperties().windowRect.width);
+        windowObj.on('windowSizeChange', (windowSize) => {
+          this.updateBreakpoint(windowSize.width);
+        });
+      } catch (error) {
+        hilog.error(0x0000, TAG, '%{public}s',
+          `onWindowStageCreate failed. Cause code: ${error.code}, message: ${error.message}`);
+      }
+    }).catch((err: BusinessError) => {
+      hilog.error(0x0000, 'testTag', `Failed to get main window. Cause:`, err.message);
     });
     // Main window is created, set main page for this ability
     hilog.info(0x0000, TAG, '%{public}s', 'Ability onWindowStageCreate');