diff --git a/CHANGELOG.md b/CHANGELOG.md
index 371c753..eafbc0b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,8 @@
 
 1.New dismiss group </br>
 2.New search local message </br>
-3.Upgrade client-sdk to 2.0.18
+3.New private chat </br>
+4.New group mute
 
 ## 2.0.0+3
 
diff --git a/android/build.gradle b/android/build.gradle
index a65726a..0104aca 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -41,5 +41,5 @@ android {
     }
 }
 dependencies {
-    implementation 'io.openim:client-sdk:2.0.19@aar'
+    implementation 'io.openim:client-sdk:2.0.22@aar'
 }
\ No newline at end of file
diff --git a/android/src/main/java/io/openim/flutter_openim_sdk/manager/ConversationManager.java b/android/src/main/java/io/openim/flutter_openim_sdk/manager/ConversationManager.java
index 7f70c9e..f962564 100644
--- a/android/src/main/java/io/openim/flutter_openim_sdk/manager/ConversationManager.java
+++ b/android/src/main/java/io/openim/flutter_openim_sdk/manager/ConversationManager.java
@@ -118,4 +118,13 @@ public class ConversationManager extends BaseManager {
                 jsonValue(methodCall, "conversationIDList")
         );
     }
+
+    public void setOneConversationPrivateChat(MethodCall methodCall, MethodChannel.Result result) {
+        Open_im_sdk.setOneConversationPrivateChat(
+                new OnBaseListener(result),
+                value(methodCall, "operationID"),
+                value(methodCall, "conversationID"),
+                value(methodCall, "isPrivate")
+        );
+    }
 }
diff --git a/android/src/main/java/io/openim/flutter_openim_sdk/manager/GroupManager.java b/android/src/main/java/io/openim/flutter_openim_sdk/manager/GroupManager.java
index 30f443a..1132a02 100644
--- a/android/src/main/java/io/openim/flutter_openim_sdk/manager/GroupManager.java
+++ b/android/src/main/java/io/openim/flutter_openim_sdk/manager/GroupManager.java
@@ -154,6 +154,24 @@ public class GroupManager extends BaseManager {
                 value(methodCall, "operationID"),
                 value(methodCall, "gid")
         );
+    }
+
+    public void changeGroupMute(MethodCall methodCall, MethodChannel.Result result) {
+        Open_im_sdk.changeGroupMute(
+                new OnBaseListener(result),
+                value(methodCall, "operationID"),
+                value(methodCall, "gid"),
+                value(methodCall, "mute")
+        );
+    }
 
+    public void changeGroupMemberMute(MethodCall methodCall, MethodChannel.Result result) {
+        Open_im_sdk.changeGroupMemberMute(
+                new OnBaseListener(result),
+                value(methodCall, "operationID"),
+                value(methodCall, "gid"),
+                value(methodCall, "uid"),
+                int2long(methodCall, "seconds")
+        );
     }
 }
\ No newline at end of file
diff --git a/ios/Classes/Module/ConversationManager.swift b/ios/Classes/Module/ConversationManager.swift
index 18263e8..87e69ad 100644
--- a/ios/Classes/Module/ConversationManager.swift
+++ b/ios/Classes/Module/ConversationManager.swift
@@ -19,6 +19,7 @@ public class ConversationManager: BaseServiceManager {
         self["getConversationIDBySessionType"] = getConversationIDBySessionType
         self["setConversationRecvMessageOpt"] = setConversationRecvMessageOpt
         self["getConversationRecvMessageOpt"] = getConversationRecvMessageOpt
+        self["setOneConversationPrivateChat"] = setOneConversationPrivateChat
     }
     
     func setConversationListener(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
@@ -78,6 +79,10 @@ public class ConversationManager: BaseServiceManager {
     func getConversationRecvMessageOpt(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
         Open_im_sdkGetConversationRecvMessageOpt(BaseCallback(result: result), methodCall[string: "operationID"], methodCall[jsonString: "conversationIDList"])
     }
+    
+    func setOneConversationPrivateChat(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
+        Open_im_sdkSetOneConversationPrivateChat(BaseCallback(result: result), methodCall[string: "operationID"], methodCall[string: "conversationID"],methodCall[bool: "isPrivate"])
+    }
 }
 
 
diff --git a/ios/Classes/Module/GroupManager.swift b/ios/Classes/Module/GroupManager.swift
index 132e633..8ec19a8 100644
--- a/ios/Classes/Module/GroupManager.swift
+++ b/ios/Classes/Module/GroupManager.swift
@@ -22,6 +22,8 @@ public class GroupManager: BaseServiceManager {
         self["acceptGroupApplication"] = acceptGroupApplication
         self["refuseGroupApplication"] = refuseGroupApplication
         self["dismissGroup"] = dismissGroup
+        self["changeGroupMute"] = changeGroupMute
+        self["changeGroupMemberMute"] = changeGroupMemberMute
     }
 
     func setGroupListener(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
@@ -95,6 +97,14 @@ public class GroupManager: BaseServiceManager {
     func dismissGroup(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
         Open_im_sdkDismissGroup(BaseCallback(result: result), methodCall[string: "operationID"], methodCall[string: "gid"])
     }
+    
+    func changeGroupMute(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
+        Open_im_sdkChangeGroupMute(BaseCallback(result: result), methodCall[string: "operationID"], methodCall[string: "gid"], methodCall[bool: "mute"])
+    }
+    
+    func changeGroupMemberMute(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
+        Open_im_sdkChangeGroupMemberMute(BaseCallback(result: result), methodCall[string: "operationID"], methodCall[string: "gid"], methodCall[string:"uid"],methodCall[int:"seconds"])
+    }
 }
 
 public class GroupListener: NSObject, Open_im_sdk_callbackOnGroupListenerProtocol {
diff --git a/ios/Framework/OpenIMCore.framework/Headers/Open_im_sdk.objc.h b/ios/Framework/OpenIMCore.framework/Headers/Open_im_sdk.objc.h
index 851dc0b..7528a47 100644
--- a/ios/Framework/OpenIMCore.framework/Headers/Open_im_sdk.objc.h
+++ b/ios/Framework/OpenIMCore.framework/Headers/Open_im_sdk.objc.h
@@ -27,6 +27,10 @@ FOUNDATION_EXPORT void Open_im_sdkAddBlack(id<Open_im_sdk_callbackBase> _Nullabl
 
 FOUNDATION_EXPORT void Open_im_sdkAddFriend(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable userIDReqMsg);
 
+FOUNDATION_EXPORT void Open_im_sdkChangeGroupMemberMute(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable groupID, NSString* _Nullable userID, long mutedSeconds);
+
+FOUNDATION_EXPORT void Open_im_sdkChangeGroupMute(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable groupID, BOOL isMute);
+
 FOUNDATION_EXPORT void Open_im_sdkCheckFriend(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable userIDList);
 
 // skipped function CheckResourceLoad with unsupported parameter or return types
@@ -244,4 +248,6 @@ FOUNDATION_EXPORT void Open_im_sdkTypingStatusUpdate(id<Open_im_sdk_callbackBase
 
 FOUNDATION_EXPORT NSString* _Nonnull Open_im_sdkUploadImage(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable filePath, NSString* _Nullable token, NSString* _Nullable obj);
 
+FOUNDATION_EXPORT void Open_im_sdkWakeUp(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID);
+
 #endif
diff --git a/ios/Framework/OpenIMCore.framework/OpenIMCore b/ios/Framework/OpenIMCore.framework/OpenIMCore
index c3f578d..1c5e875 100644
Binary files a/ios/Framework/OpenIMCore.framework/OpenIMCore and b/ios/Framework/OpenIMCore.framework/OpenIMCore differ
diff --git a/lib/src/enum/message_type.dart b/lib/src/enum/message_type.dart
index cf71f11..8c493c7 100644
--- a/lib/src/enum/message_type.dart
+++ b/lib/src/enum/message_type.dart
@@ -50,6 +50,11 @@ class MessageType {
   static const dismissGroupNotification = 1511;
   static const groupNotificationEnd = 1599;
 
+  static const groupMemberMutedNotification = 1512;
+  static const groupMemberCancelMutedNotification = 1513;
+  static const groupMutedNotification = 1514;
+  static const groupCancelMutedNotification = 1515;
+
   static const signalingNotificationBegin = 1600;
   static const signalingNotification = 1601;
   static const signalingNotificationEnd = 1699;
diff --git a/lib/src/manager/im_conversation_manager.dart b/lib/src/manager/im_conversation_manager.dart
index f0533e8..4c527ea 100644
--- a/lib/src/manager/im_conversation_manager.dart
+++ b/lib/src/manager/im_conversation_manager.dart
@@ -204,6 +204,21 @@ class ConversationManager {
               }))
           .then((value) => Utils.toListMap(value));
 
+  /// burn after reading
+  /// 阅后即焚
+  Future<dynamic> setOneConversationPrivateChat({
+    required String conversationID,
+    required bool isPrivate,
+    String? operationID,
+  }) =>
+      _channel.invokeMethod(
+          'setOneConversationPrivateChat',
+          _buildParam({
+            "conversationID": conversationID,
+            "isPrivate": isPrivate,
+            "operationID": Utils.checkOperationID(operationID),
+          }));
+
   /// Custom sort for conversation list
   /// 会话列表自定义排序规则。
   List<ConversationInfo> simpleSort(List<ConversationInfo> list) => list
diff --git a/lib/src/manager/im_group_manager.dart b/lib/src/manager/im_group_manager.dart
index 80f3e8f..3b9ae08 100644
--- a/lib/src/manager/im_group_manager.dart
+++ b/lib/src/manager/im_group_manager.dart
@@ -333,6 +333,38 @@ class GroupManager {
             'operationID': Utils.checkOperationID(operationID),
           }));
 
+  /// Enable group mute
+  /// 开启群禁言
+  Future<dynamic> changeGroupMute({
+    required String groupID,
+    required bool mute,
+    String? operationID,
+  }) =>
+      _channel.invokeMethod(
+          'changeGroupMute',
+          _buildParam({
+            'gid': groupID,
+            'mute': mute,
+            'operationID': Utils.checkOperationID(operationID),
+          }));
+
+  /// Mute group members
+  /// 禁言群成员
+  Future<dynamic> changeGroupMemberMute({
+    required String groupID,
+    required String userID,
+    int seconds = 0,
+    String? operationID,
+  }) =>
+      _channel.invokeMethod(
+          'changeGroupMemberMute',
+          _buildParam({
+            'gid': groupID,
+            'uid': userID,
+            'seconds': seconds,
+            'operationID': Utils.checkOperationID(operationID),
+          }));
+
   static Map _buildParam(Map param) {
     param["ManagerName"] = "groupManager";
     return param;
diff --git a/lib/src/models/conversation_info.dart b/lib/src/models/conversation_info.dart
index b2f0475..d7e4b1d 100644
--- a/lib/src/models/conversation_info.dart
+++ b/lib/src/models/conversation_info.dart
@@ -19,6 +19,7 @@ class ConversationInfo {
   String? draftText;
   int? draftTextTime;
   bool? isPinned;
+  bool? isPrivateChat;
   String? ext;
 
   ConversationInfo(
@@ -34,6 +35,7 @@ class ConversationInfo {
       this.latestMsgSendTime,
       this.draftText,
       this.draftTextTime,
+      this.isPrivateChat,
       this.isPinned});
 
   ConversationInfo.fromJson(Map<String, dynamic> json)
@@ -56,6 +58,7 @@ class ConversationInfo {
     draftText = json['draftText'];
     draftTextTime = json['draftTextTime'];
     isPinned = json['isPinned'];
+    isPrivateChat = json['isPrivateChat'];
   }
 
   Map<String, dynamic> toJson() {
@@ -73,6 +76,7 @@ class ConversationInfo {
     data['draftText'] = this.draftText;
     data['draftTextTime'] = this.draftTextTime;
     data['isPinned'] = this.isPinned;
+    data['isPrivateChat'] = this.isPrivateChat;
     return data;
   }
 
diff --git a/lib/src/models/group_info.dart b/lib/src/models/group_info.dart
index 428574c..eb68d29 100644
--- a/lib/src/models/group_info.dart
+++ b/lib/src/models/group_info.dart
@@ -7,6 +7,7 @@ class GroupInfo {
   String? ownerUserID;
   int? createTime;
   int? memberCount;
+  /// ok = 0 blocked = 1 Dismissed = 2 Muted  = 3
   int? status;
   String? creatorUserID;
   int? groupType;
@@ -70,6 +71,7 @@ class GroupMembersInfo {
   int? joinSource;
   String? operatorUserID;
   String? ext;
+  int? muteEndTime;
 
   GroupMembersInfo({
     this.groupID,
@@ -81,6 +83,7 @@ class GroupMembersInfo {
     this.ext,
     this.joinSource,
     this.operatorUserID,
+    this.muteEndTime,
   });
 
   GroupMembersInfo.fromJson(Map<String, dynamic> json) {
@@ -93,6 +96,7 @@ class GroupMembersInfo {
     ext = json['ext'];
     joinSource = json['joinSource'];
     operatorUserID = json['operatorUserID'];
+    muteEndTime = json['muteEndTime'];
   }
 
   Map<String, dynamic> toJson() {
@@ -106,6 +110,7 @@ class GroupMembersInfo {
     data['ext'] = this.ext;
     data['joinSource'] = this.joinSource;
     data['operatorUserID'] = this.operatorUserID;
+    data['muteEndTime'] = this.muteEndTime;
     return data;
   }
 }
diff --git a/lib/src/models/message.dart b/lib/src/models/message.dart
index 2b7775d..789cf51 100644
--- a/lib/src/models/message.dart
+++ b/lib/src/models/message.dart
@@ -581,18 +581,21 @@ class FaceElem {
 
 class AttachedInfoElem {
   GroupHasReadInfo? groupHasReadInfo;
+  bool? isPrivateChat;
 
-  AttachedInfoElem({this.groupHasReadInfo});
+  AttachedInfoElem({this.groupHasReadInfo, this.isPrivateChat});
 
   AttachedInfoElem.fromJson(Map<String, dynamic> json) {
     groupHasReadInfo = json['groupHasReadInfo'] == null
         ? null
         : GroupHasReadInfo.fromJson(json['groupHasReadInfo']);
+    isPrivateChat = json['isPrivateChat'];
   }
 
   Map<String, dynamic> toJson() {
     final data = Map<String, dynamic>();
     data['groupHasReadInfo'] = this.groupHasReadInfo?.toJson();
+    data['isPrivateChat'] = this.isPrivateChat;
     return data;
   }
 }