diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4c2af35..4aa98e9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,29 +1,30 @@
 ## 0.0.8
-升级sdk到0.0.14,发送消息增加了重试了机制
+Upgrade sdk to 0.0.14 </br>
+Sending a message adds a retry mechanism
 
 ## 0.0.7
-1,新增根据用户id或群组id获取会话id的方法 </br>
-2,修改会话管理器入参sessionType的类型为int
+1. Add a new method to obtain conversation id based on user id or group id </br>
+2. Modify the type of conversation manager input parameter sessionType to int
 
 ## 0.0.6
 fix bug
 
 ## 0.0.5
-升级sdk </br>
-fix message error bug 
+Upgrade sdk </br>
+fix message error bug
 
 ## 0.0.4
 
-将createCustomMessage方法入参从Uint8List替换为Map
+Replace the input parameters of the createCustomMessage method from Uint8List to Map
 
 ## 0.0.3
 upgrade sdk </br>
 fix bug </br>
 
 ## 0.0.2
-1,将 markSingleMessageHasRead、markGroupMessageHasRead和getTotalUnreadMsgCount方法从类MessageManager移动到类ConversationManager。</br>
-2,修改setFriendInfo方法的参数。</br>
-3,修改createGroup和setGroupInfo方法的参数。
+1. Move the markSingleMessageHasRead, markGroupMessageHasRead and getTotalUnreadMsgCount methods from the MessageManager class to the ConversationManager class. </br>
+2. Modify the parameters of the setFriendInfo method. </br>
+3. Modify the parameters of the createGroup and setGroupInfo methods.
 
 ## 0.0.1
 
diff --git a/lib/src/enum/conversation_type.dart b/lib/src/enum/conversation_type.dart
index 688058a..ab3af3f 100644
--- a/lib/src/enum/conversation_type.dart
+++ b/lib/src/enum/conversation_type.dart
@@ -1,4 +1,4 @@
-class ConversationType{
-  static const int single_chat = 1;
-  static const int group_chat = 2;
-}
\ No newline at end of file
+class ConversationType {
+  static const single_chat = 1;
+  static const group_chat = 2;
+}
diff --git a/lib/src/enum/listener_type.dart b/lib/src/enum/listener_type.dart
index a184055..9a9ed5e 100644
--- a/lib/src/enum/listener_type.dart
+++ b/lib/src/enum/listener_type.dart
@@ -1,33 +1,17 @@
-
 class ListenerType {
-  ///
-  ///
-  static const String simpleMsgListener = 'simpleMsgListener';
+  static const simpleMsgListener = 'simpleMsgListener';
 
-  ///
-  ///
-  static const String initSDKListener = 'initSDKListener';
+  static const initSDKListener = 'initSDKListener';
 
-  ///
-  ///
-  static const String groupListener = 'groupListener';
+  static const groupListener = 'groupListener';
 
-  ///
-  ///
-  static const String advancedMsgListener = 'advancedMsgListener';
+  static const advancedMsgListener = 'advancedMsgListener';
 
-  ///
-  ///
-  static const String conversationListener = 'conversationListener';
+  static const conversationListener = 'conversationListener';
 
-  ///
-  ///
-  static const String friendListener = 'friendListener';
+  static const friendListener = 'friendListener';
 
-  ///
-  ///
-  static const String signalingListener = 'signalingListener';
+  static const signalingListener = 'signalingListener';
 
-  ///
-  static const String msgSendProgressListener = "msgSendProgressListener";
+  static const msgSendProgressListener = "msgSendProgressListener";
 }
diff --git a/lib/src/manager/im_friendship_manager.dart b/lib/src/manager/im_friendship_manager.dart
index e1d746c..ff0bfc4 100644
--- a/lib/src/manager/im_friendship_manager.dart
+++ b/lib/src/manager/im_friendship_manager.dart
@@ -148,7 +148,7 @@ class FriendshipManager {
     return list;
   }
 
-  static UserInfo _toObj(String value) => UserInfo.fromJson(_formatJson(value));
+  // static UserInfo _toObj(String value) => UserInfo.fromJson(_formatJson(value));
 
   static dynamic _formatJson(value) {
     return jsonDecode(_printValue(value));
diff --git a/lib/src/manager/im_manager.dart b/lib/src/manager/im_manager.dart
index c8633f8..48dfd67 100644
--- a/lib/src/manager/im_manager.dart
+++ b/lib/src/manager/im_manager.dart
@@ -9,8 +9,8 @@ class IMManager {
   late FriendshipManager friendshipManager;
   late MessageManager messageManager;
   late GroupManager groupManager;
-  late OfflinePushManager offlinePushManager;
-  late SignalingManager signalingManager;
+  // late OfflinePushManager offlinePushManager;
+  // late SignalingManager signalingManager;
   late InitSDKListener _initSDKListener;
   late String uid;
   late UserInfo uInfo;
@@ -21,8 +21,8 @@ class IMManager {
     friendshipManager = FriendshipManager(_channel);
     messageManager = MessageManager(_channel);
     groupManager = GroupManager(_channel);
-    offlinePushManager = OfflinePushManager(_channel);
-    signalingManager = SignalingManager(_channel);
+    // offlinePushManager = OfflinePushManager(_channel);
+    // signalingManager = SignalingManager(_channel);
     _addNativeCallback(_channel);
   }
 
diff --git a/lib/src/manager/im_offline_push_manager.dart b/lib/src/manager/im_offline_push_manager.dart
index c6c8256..1961a8f 100644
--- a/lib/src/manager/im_offline_push_manager.dart
+++ b/lib/src/manager/im_offline_push_manager.dart
@@ -1,7 +1,7 @@
-import 'package:flutter/services.dart';
-
-class OfflinePushManager{
-  MethodChannel _channel;
-
-  OfflinePushManager(this._channel);
-}
\ No newline at end of file
+// import 'package:flutter/services.dart';
+//
+// class OfflinePushManager{
+//   MethodChannel _channel;
+//
+//   OfflinePushManager(this._channel);
+// }
\ No newline at end of file
diff --git a/lib/src/manager/im_signaling_manager.dart b/lib/src/manager/im_signaling_manager.dart
index adaa4c0..6c34270 100644
--- a/lib/src/manager/im_signaling_manager.dart
+++ b/lib/src/manager/im_signaling_manager.dart
@@ -1,7 +1,7 @@
-import 'package:flutter/services.dart';
-
-class SignalingManager {
-  MethodChannel _channel;
-
-  SignalingManager(this._channel);
-}
+// import 'package:flutter/services.dart';
+//
+// class SignalingManager {
+//   MethodChannel _channel;
+//
+//   SignalingManager(this._channel);
+// }
diff --git a/lib/src/models/message.dart b/lib/src/models/message.dart
index 6459ad6..aa297dc 100644
--- a/lib/src/models/message.dart
+++ b/lib/src/models/message.dart
@@ -1,4 +1,4 @@
-import 'dart:typed_data';
+
 
 class Message {
   String? clientMsgID;
diff --git a/pubspec.yaml b/pubspec.yaml
index 3c7b6a4..79972a2 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: flutter_openim_sdk
-description: openim flutter plugin.
-version: 0.0.8
+description: An instant messaging plug-in that supports Android and IOS. And the server is also all open source.
+version: 0.0.8+1
 homepage: https://www.rentsoft.cn
 repository: https://github.com/OpenIMSDK/Open-IM-SDK-Flutter