diff --git a/android/src/main/java/io/openim/flutter_openim_sdk/FlutterOpenimSdkPlugin.java b/android/src/main/java/io/openim/flutter_openim_sdk/FlutterOpenimSdkPlugin.java
index e55ca77..49fa140 100644
--- a/android/src/main/java/io/openim/flutter_openim_sdk/FlutterOpenimSdkPlugin.java
+++ b/android/src/main/java/io/openim/flutter_openim_sdk/FlutterOpenimSdkPlugin.java
@@ -63,12 +63,16 @@ public class FlutterOpenimSdkPlugin implements FlutterPlugin, MethodCallHandler,
 
     @Override
     public void onAttachedToEngine(@NonNull FlutterPluginBinding flutterPluginBinding) {
+        if(isInitialized){
+            return;
+        }
         channel = new MethodChannel(flutterPluginBinding.getBinaryMessenger(), CHANNEL_NAME);
         context = flutterPluginBinding.getApplicationContext();
         channel.setMethodCallHandler(this);
         connectivityListener = new ConnectivityListener(context);
         visibilityListener = new VisibilityListener();
         connectivityListener.register();
+        isInitialized = true;
     }
 
     @Override