diff --git a/add_to_app/multiple_flutters/multiple_flutters_ohos/entry/src/main/ets/pages/EngineBindings.ets b/add_to_app/multiple_flutters/multiple_flutters_ohos/entry/src/main/ets/pages/EngineBindings.ets
index 289398e7d34aed085dff0a945ab13088f1ffb765..38061027aafa674f4b7b961067f458eec3609d42 100644
--- a/add_to_app/multiple_flutters/multiple_flutters_ohos/entry/src/main/ets/pages/EngineBindings.ets
+++ b/add_to_app/multiple_flutters/multiple_flutters_ohos/entry/src/main/ets/pages/EngineBindings.ets
@@ -92,7 +92,9 @@ export class EngineBindings implements DataModelObserver {
 
   detach() {
     this.flutterView.detachFromFlutterEngine();
-    this.engine?.destroy();
+    if(this.flutterView.isAttachedToFlutterEngine()){
+      this.engine?.destroy();
+    }
     DataModel.instance.removeObserver(this);
     this.channel?.setMethodCallHandler(null);
   }