diff --git a/entry/src/main/ets/entryability/EntryAbility.ets b/entry/src/main/ets/entryability/EntryAbility.ets
index 6335521e2b5845a587af32e2f172e2bbbfda7737..a1843d5967d83aa88a3ac823aebb52b2b7c3c166 100644
--- a/entry/src/main/ets/entryability/EntryAbility.ets
+++ b/entry/src/main/ets/entryability/EntryAbility.ets
@@ -41,7 +41,7 @@ export default class EntryAbility extends UIAbility {
     } catch (error) {
       const err = error as BusinessError;
       hilog.error(0x000, TAG, `updateBreakpoint catch err: code: ${err.code}, message: ${err.message}`);
-    };
+    }
   }
 
   onCreate(): void {
@@ -77,6 +77,8 @@ export default class EntryAbility extends UIAbility {
         const err = error as BusinessError;
         hilog.error(0x000, TAG, `onWindowStageCreate catch err, code: ${err.code}, message: ${err.message}`);
       }
+    }).catch((err: BusinessError) => {
+      hilog.error(0x0000, 'testTag', `Failed to get main window. Cause:`, err.message);
     });
 
     windowStage.loadContent('pages/Index', (err) => {
@@ -85,14 +87,19 @@ export default class EntryAbility extends UIAbility {
         return;
       }
       hilog.info(0x0000, TAG, 'Succeeded in loading the content.');
-      let windowClass: window.Window = windowStage.getMainWindowSync();
-      let isLayoutFullScreen = true;
-      windowClass.setWindowLayoutFullScreen(isLayoutFullScreen).then(() => {
-        hilog.info(0x0000, TAG, 'Succeeded in setting the window layout to full-screen mode.');
-      }).catch((err: BusinessError) => {
-        hilog.error(0x0000, TAG,
-          `Failed to set the window layout to full-screen mode, err code: ${err.code}, message: ${err.message}`);
-      });
+      try {
+        let windowClass: window.Window = windowStage.getMainWindowSync();
+        let isLayoutFullScreen = true;
+        windowClass.setWindowLayoutFullScreen(isLayoutFullScreen).then(() => {
+          hilog.info(0x0000, TAG, 'Succeeded in setting the window layout to full-screen mode.');
+        }).catch((err: BusinessError) => {
+          hilog.error(0x0000, TAG,
+            `Failed to set the window layout to full-screen mode, err code: ${err.code}, message: ${err.message}`);
+        });
+      } catch (error) {
+        const err = error as BusinessError;
+        hilog.error(0x000, TAG, `Set window layout to full-screen err, code: ${err.code}, message: ${err.message}`);
+      }
     });
     let windowClass: window.Window | undefined = undefined;
     window.getLastWindow(this.context, (err: BusinessError, data) => {