diff --git a/entry/src/main/ets/entryability/EntryAbility.ets b/entry/src/main/ets/entryability/EntryAbility.ets
index a1843d5967d83aa88a3ac823aebb52b2b7c3c166..5d6b5dd2c91f477e364c0213aca456237deaefd4 100644
--- a/entry/src/main/ets/entryability/EntryAbility.ets
+++ b/entry/src/main/ets/entryability/EntryAbility.ets
@@ -73,6 +73,12 @@ export default class EntryAbility extends UIAbility {
         windowObj.on('windowSizeChange', (windowSize) => {
           this.updateBreakpoint(windowSize.width);
         })
+        windowObj.setWindowLayoutFullScreen(true).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, `onWindowStageCreate catch err, code: ${err.code}, message: ${err.message}`);
@@ -87,19 +93,6 @@ export default class EntryAbility extends UIAbility {
         return;
       }
       hilog.info(0x0000, TAG, 'Succeeded in loading the content.');
-      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) => {