no message

example/lib/main.dart

@@ -3,7 +3,7 @@ import 'package:flutter_openim_sdk/flutter_openim_sdk.dart';
 
 void main() {
   try {
-    runApp(MyApp());
+    runApp(const MyApp());
   } catch (e, stackTrace) {
     print('Error during app startup: $e');
     print('Stack trace: $stackTrace');
@@ -11,6 +11,8 @@ void main() {
 }
 
 class MyApp extends StatefulWidget {
+  const MyApp({super.key});
+
   @override
   _MyAppState createState() => _MyAppState();
 }
@@ -21,7 +23,7 @@ class _MyAppState extends State<MyApp> {
     super.initState();
     OpenIM.iMManager
         .initSDK(
-            platformID: 1,
+            platformID: 2,
             apiAddr: 'http://192.168.77.135:10002',
             wsAddr: 'ws://192.168.77.135:10001',
             dataDir: './',
@@ -50,7 +52,7 @@ class _MyAppState extends State<MyApp> {
         ),
         body: Column(
           children: [
-            TextButton(onPressed: () {}, child: Text('login')),
+            TextButton(onPressed: () {}, child: const Text('login')),
           ],
         ),
       ),