diff --git a/CHANGELOG.md b/CHANGELOG.md
index e738f76..df4c7a3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 0.0.9+1
+Fix bug
+
 ## 0.0.9
 Add ios support
 
@@ -14,7 +17,7 @@ Fix bug
 
 ## 0.0.5
 Upgrade sdk </br>
-fix message error bug
+Fix message error bug
 
 ## 0.0.4
 
diff --git a/README.md b/README.md
index 3fd36bd..266feae 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ A flutter IM plugin for android and ios.
 
 #### 1，Add dependency in yaml
 
-       flutter_openim_sdk: ^0.0.9
+       flutter_openim_sdk: ^0.0.9+1
 
 #### 2，Import package
 
diff --git a/example/pubspec.lock b/example/pubspec.lock
index 4ac48f3..69c2c2f 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -68,7 +68,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.0.8+1"
+    version: "0.0.9"
   flutter_test:
     dependency: "direct dev"
     description: flutter
diff --git a/lib/src/enum/message_status.dart b/lib/src/enum/message_status.dart
index 6de4750..969b21f 100644
--- a/lib/src/enum/message_status.dart
+++ b/lib/src/enum/message_status.dart
@@ -1,6 +1,6 @@
-class MessageStatus{
+class MessageStatus {
   static const sending = 1;
   static const succeeded = 2;
   static const failed = 3;
   static const deleted = 4;
-}
\ No newline at end of file
+}
diff --git a/lib/src/listener/advanced_msg_listener.dart b/lib/src/listener/advanced_msg_listener.dart
index 56ece44..311b084 100644
--- a/lib/src/listener/advanced_msg_listener.dart
+++ b/lib/src/listener/advanced_msg_listener.dart
@@ -1,6 +1,5 @@
 import 'package:flutter_openim_sdk/flutter_openim_sdk.dart';
 
-
 abstract class AdvancedMsgListener {
   /// Uniquely identifies
   final String id;
diff --git a/lib/src/listener/impl/friendship_listener.dart b/lib/src/listener/impl/friendship_listener.dart
index f6cafb3..88d9057 100644
--- a/lib/src/listener/impl/friendship_listener.dart
+++ b/lib/src/listener/impl/friendship_listener.dart
@@ -35,7 +35,8 @@ class OnFriendshipListener extends FriendshipListener {
 
   @override
   void friendApplicationListAccept(UserInfo u) {
-    if (null != onFriendApplicationListAccept) onFriendApplicationListAccept!(u);
+    if (null != onFriendApplicationListAccept)
+      onFriendApplicationListAccept!(u);
   }
 
   @override
@@ -45,12 +46,14 @@ class OnFriendshipListener extends FriendshipListener {
 
   @override
   void friendApplicationListDeleted(UserInfo u) {
-    if (null != onFriendApplicationListDeleted) onFriendApplicationListDeleted!(u);
+    if (null != onFriendApplicationListDeleted)
+      onFriendApplicationListDeleted!(u);
   }
 
   @override
   void friendApplicationListReject(UserInfo u) {
-    if (null != onFriendApplicationListReject) onFriendApplicationListReject!(u);
+    if (null != onFriendApplicationListReject)
+      onFriendApplicationListReject!(u);
   }
 
   @override
diff --git a/lib/src/listener/impl/msg_send_progress_listener.dart b/lib/src/listener/impl/msg_send_progress_listener.dart
index 7fdf974..7bda19f 100644
--- a/lib/src/listener/impl/msg_send_progress_listener.dart
+++ b/lib/src/listener/impl/msg_send_progress_listener.dart
@@ -1,6 +1,5 @@
 import 'package:flutter_openim_sdk/flutter_openim_sdk.dart';
 
-
 class OnMsgSendProgressListener extends MsgSendProgressListener {
   Function(String msgID, int progress)? onProgress;
 
diff --git a/lib/src/manager/im_message_manager.dart b/lib/src/manager/im_message_manager.dart
index ec3d84e..cac7db7 100644
--- a/lib/src/manager/im_message_manager.dart
+++ b/lib/src/manager/im_message_manager.dart
@@ -44,14 +44,13 @@ class MessageManager {
     bool onlineUserOnly = false,
   }) {
     return _channel.invokeMethod(
-            'sendMessage',
-            _buildParam({
-              'message': message.toJson(),
-              'receiver': userID ?? '',
-              'groupID': groupID ?? '',
-              'onlineUserOnly': onlineUserOnly,
-            }))
-        /*.then((value) => _toObj(value))*/;
+        'sendMessage',
+        _buildParam({
+          'message': message.toJson(),
+          'receiver': userID ?? '',
+          'groupID': groupID ?? '',
+          'onlineUserOnly': onlineUserOnly,
+        })) /*.then((value) => _toObj(value))*/;
   }
 
   /// Find all history message
diff --git a/lib/src/manager/im_offline_push_manager.dart b/lib/src/manager/im_offline_push_manager.dart
index 1961a8f..810c424 100644
--- a/lib/src/manager/im_offline_push_manager.dart
+++ b/lib/src/manager/im_offline_push_manager.dart
@@ -4,4 +4,4 @@
 //   MethodChannel _channel;
 //
 //   OfflinePushManager(this._channel);
-// }
\ No newline at end of file
+// }
diff --git a/lib/src/models/conversation_info.dart b/lib/src/models/conversation_info.dart
index 6da93ad..579b02c 100644
--- a/lib/src/models/conversation_info.dart
+++ b/lib/src/models/conversation_info.dart
@@ -4,6 +4,7 @@ import 'package:flutter_openim_sdk/flutter_openim_sdk.dart';
 
 class ConversationInfo {
   String conversationID;
+
   /// [ConversationType]
   int? conversationType;
   String? userID;
diff --git a/lib/src/models/group_info.dart b/lib/src/models/group_info.dart
index 0ef58d8..f790361 100644
--- a/lib/src/models/group_info.dart
+++ b/lib/src/models/group_info.dart
@@ -18,7 +18,7 @@ class GroupInfo {
       this.createTime,
       this.memberCount});
 
-  GroupInfo.fromJson(Map<String, dynamic> json): groupID = json['groupID'] {
+  GroupInfo.fromJson(Map<String, dynamic> json) : groupID = json['groupID'] {
     /*groupID = json['groupID'];*/
     groupName = json['groupName'];
     notification = json['notification'];
diff --git a/lib/src/models/message.dart b/lib/src/models/message.dart
index aa297dc..8b347ff 100644
--- a/lib/src/models/message.dart
+++ b/lib/src/models/message.dart
@@ -1,5 +1,3 @@
-
-
 class Message {
   String? clientMsgID;
   String? serverMsgID;
@@ -69,8 +67,8 @@ class Message {
     this.mergeElem,
   });
 
-  Message.fromJson(Map<String, dynamic> json)
-  /*  : clientMsgID = json['clientMsgID']*/ {
+  Message.fromJson(
+      Map<String, dynamic> json) /*  : clientMsgID = json['clientMsgID']*/ {
     clientMsgID = json['clientMsgID'];
     serverMsgID = json['serverMsgID'];
     createTime = json['createTime'];
diff --git a/pubspec.yaml b/pubspec.yaml
index 8aeb084..5f1a4c2 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: flutter_openim_sdk
 description: An instant messaging plug-in that supports Android and IOS. And the server is also all open source.
-version: 0.0.9
+version: 0.0.9+1
 homepage: https://www.rentsoft.cn
 repository: https://github.com/OpenIMSDK/Open-IM-SDK-Flutter