diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68e1c51..0251e7b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,11 @@
 4.ConverstaionInfo new add isNotInGroup field</br>
 5.New at type</br>
 6.New work moments</br>
+7.New global search</br>
+8.New getHistoryMessageListReverse method</br>
+9.New getAtAllTag method</br>
+10.New resetConversationGroupAtType method</br>
+11.New searchGroups method</br>
 
 ## 2.0.0+5
 
diff --git a/android/build.gradle b/android/build.gradle
index d36bbe1..6eeb89c 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -41,5 +41,5 @@ android {
     }
 }
 dependencies {
-    implementation 'io.openim:client-sdk:2.0.42@aar'
+    implementation 'io.openim:client-sdk:2.0.45@aar'
 }
\ No newline at end of file
diff --git a/android/src/main/java/io/openim/flutter_openim_sdk/listener/OnSignalingListener.java b/android/src/main/java/io/openim/flutter_openim_sdk/listener/OnSignalingListener.java
index 9c4ea03..a76a46e 100644
--- a/android/src/main/java/io/openim/flutter_openim_sdk/listener/OnSignalingListener.java
+++ b/android/src/main/java/io/openim/flutter_openim_sdk/listener/OnSignalingListener.java
@@ -3,6 +3,7 @@ package io.openim.flutter_openim_sdk.listener;
 import io.openim.flutter_openim_sdk.util.CommonUtil;
 
 public class OnSignalingListener implements open_im_sdk_callback.OnSignalingListener {
+
     @Override
     public void onInvitationCancelled(String s) {
         CommonUtil.emitEvent("signalingListener", "onInvitationCancelled", s);
@@ -37,4 +38,9 @@ public class OnSignalingListener implements open_im_sdk_callback.OnSignalingList
     public void onReceiveNewInvitation(String s) {
         CommonUtil.emitEvent("signalingListener", "onReceiveNewInvitation", s);
     }
+
+    @Override
+    public void onHangUp(String s) {
+        CommonUtil.emitEvent("signalingListener", "onHangUp", s);
+    }
 }
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 ac04226..e23efc8 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
@@ -142,4 +142,16 @@ public class ConversationManager extends BaseManager {
                 value(methodCall, "operationID")
         );
     }
+
+    public void resetConversationGroupAtType(MethodCall methodCall, MethodChannel.Result result) {
+        Open_im_sdk.resetConversationGroupAtType(
+                new OnBaseListener(result),
+                value(methodCall, "operationID"),
+                value(methodCall, "conversationID")
+        );
+    }
+
+    public void getAtAllTag(MethodCall methodCall, MethodChannel.Result result) {
+        CommonUtil.runMainThreadReturn(result, Open_im_sdk.getAtAllTag());
+    }
 }
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 3027014..7b9f89f 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
@@ -183,4 +183,11 @@ public class GroupManager extends BaseManager {
                 value(methodCall, "groupNickname")
         );
     }
+
+    public void searchGroups(MethodCall methodCall, MethodChannel.Result result) {
+        Open_im_sdk.searchGroups(new OnBaseListener(result),
+                value(methodCall, "operationID"),
+                jsonValue(methodCall, "searchParam")
+        );
+    }
 }
\ No newline at end of file
diff --git a/android/src/main/java/io/openim/flutter_openim_sdk/manager/MessageManager.java b/android/src/main/java/io/openim/flutter_openim_sdk/manager/MessageManager.java
index f36d209..ccc33c0 100644
--- a/android/src/main/java/io/openim/flutter_openim_sdk/manager/MessageManager.java
+++ b/android/src/main/java/io/openim/flutter_openim_sdk/manager/MessageManager.java
@@ -381,4 +381,12 @@ public class MessageManager extends BaseManager {
                 value(methodCall, "groupID")
         );
     }
+
+    public void getHistoryMessageListReverse(MethodCall methodCall, MethodChannel.Result result) {
+        Open_im_sdk.getHistoryMessageListReverse(
+                new OnBaseListener(result),
+                value(methodCall, "operationID"),
+                jsonValue(methodCall)
+        );
+    }
 }
diff --git a/android/src/main/java/io/openim/flutter_openim_sdk/manager/WorkMomentsManager.java b/android/src/main/java/io/openim/flutter_openim_sdk/manager/WorkMomentsManager.java
index 12dc39b..bc30a4b 100644
--- a/android/src/main/java/io/openim/flutter_openim_sdk/manager/WorkMomentsManager.java
+++ b/android/src/main/java/io/openim/flutter_openim_sdk/manager/WorkMomentsManager.java
@@ -8,7 +8,7 @@ import open_im_sdk.Open_im_sdk;
 
 public class WorkMomentsManager extends BaseManager {
 
-    void setWorkMomentsListener(MethodCall methodCall, MethodChannel.Result result) {
+    public void setWorkMomentsListener(MethodCall methodCall, MethodChannel.Result result) {
         Open_im_sdk.setWorkMomentsListener(new OnWorkMomentsListener());
     }
 
diff --git a/ios/Classes/Module/ConversationManager.swift b/ios/Classes/Module/ConversationManager.swift
index d908a32..248bf85 100644
--- a/ios/Classes/Module/ConversationManager.swift
+++ b/ios/Classes/Module/ConversationManager.swift
@@ -22,6 +22,8 @@ public class ConversationManager: BaseServiceManager {
         self["setOneConversationPrivateChat"] = setOneConversationPrivateChat
         self["deleteConversationFromLocalAndSvr"] = deleteConversationFromLocalAndSvr
         self["deleteAllConversationFromLocal"] = deleteAllConversationFromLocal
+        self["resetConversationGroupAtType"] = resetConversationGroupAtType
+        self["getAtAllTag"] = getAtAllTag
     }
     
     func setConversationListener(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
@@ -93,6 +95,14 @@ public class ConversationManager: BaseServiceManager {
     func deleteAllConversationFromLocal(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
         Open_im_sdkDeleteAllConversationFromLocal(BaseCallback(result: result), methodCall[string: "operationID"])
     }
+    
+    func resetConversationGroupAtType(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
+        Open_im_sdkResetConversationGroupAtType(BaseCallback(result: result), methodCall[string: "operationID"], methodCall[string: "conversationID"])
+    }
+    
+    func getAtAllTag(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
+        callBack(result, Open_im_sdkGetAtAllTag())
+    }
 }
 
 
diff --git a/ios/Classes/Module/GroupManager.swift b/ios/Classes/Module/GroupManager.swift
index 533acfb..5855e2a 100644
--- a/ios/Classes/Module/GroupManager.swift
+++ b/ios/Classes/Module/GroupManager.swift
@@ -25,6 +25,7 @@ public class GroupManager: BaseServiceManager {
         self["changeGroupMute"] = changeGroupMute
         self["changeGroupMemberMute"] = changeGroupMemberMute
         self["setGroupMemberNickname"] = setGroupMemberNickname
+        self["searchGroups"] = searchGroups
     }
 
     func setGroupListener(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
@@ -110,6 +111,10 @@ public class GroupManager: BaseServiceManager {
     func setGroupMemberNickname(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
         Open_im_sdkSetGroupMemberNickname(BaseCallback(result: result), methodCall[string: "operationID"], methodCall[string: "gid"], methodCall[string:"uid"],methodCall[string:"groupNickname"])
     }
+    
+    func searchGroups(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
+        Open_im_sdkSearchGroups(BaseCallback(result: result), methodCall[string: "operationID"], methodCall[jsonString: "searchParam"])
+    }
 }
 
 public class GroupListener: NSObject, Open_im_sdk_callbackOnGroupListenerProtocol {
diff --git a/ios/Classes/Module/MessageManager.swift b/ios/Classes/Module/MessageManager.swift
index 2c7017f..0f2dc0c 100644
--- a/ios/Classes/Module/MessageManager.swift
+++ b/ios/Classes/Module/MessageManager.swift
@@ -43,6 +43,7 @@ public class MessageManager: BaseServiceManager {
         self["markMessageAsReadByConID"] = markMessageAsReadByConID
         self["clearC2CHistoryMessageFromLocalAndSvr"] = clearC2CHistoryMessageFromLocalAndSvr
         self["clearGroupHistoryMessageFromLocalAndSvr"] = clearGroupHistoryMessageFromLocalAndSvr
+        self["getHistoryMessageListReverse"] = getHistoryMessageListReverse
     }
     
     func setAdvancedMsgListener(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
@@ -209,6 +210,10 @@ public class MessageManager: BaseServiceManager {
         Open_im_sdkClearGroupHistoryMessageFromLocalAndSvr(BaseCallback(result: result), methodCall[string: "operationID"], methodCall[string: "groupID"])
     }
     
+    func getHistoryMessageListReverse(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
+        Open_im_sdkGetHistoryMessageListReverse(BaseCallback(result: result), methodCall[string: "operationID"], methodCall.toJsonString())
+    }
+    
     public class SendMsgProgressListener: NSObject, Open_im_sdk_callbackSendMsgCallBackProtocol {
         private let channel: FlutterMethodChannel
         private let result: FlutterResult
diff --git a/ios/Classes/Module/SignalingManager.swift b/ios/Classes/Module/SignalingManager.swift
index 7daf714..046013b 100644
--- a/ios/Classes/Module/SignalingManager.swift
+++ b/ios/Classes/Module/SignalingManager.swift
@@ -44,7 +44,7 @@ public class SignalingManager: BaseServiceManager {
     }
 }
 public class SignalingListener: NSObject, Open_im_sdk_callbackOnSignalingListenerProtocol {
-    
+   
     private let channel:FlutterMethodChannel
     
     init(channel:FlutterMethodChannel) {
@@ -78,5 +78,9 @@ public class SignalingListener: NSObject, Open_im_sdk_callbackOnSignalingListene
     public func onReceiveNewInvitation(_ s: String?) {
         CommonUtil.emitEvent(channel: channel, method: "signalingListener", type: "onReceiveNewInvitation", errCode: nil, errMsg: nil, data: s)
     }
-
+    
+    public func onHangUp(_ s: String?) {
+        CommonUtil.emitEvent(channel: channel, method: "signalingListener", type: "onHangUp", errCode: nil, errMsg: nil, data: s)
+    }
+    
 }
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 28c06f4..90e1883 100644
--- a/ios/Framework/OpenIMCore.framework/Headers/Open_im_sdk.objc.h
+++ b/ios/Framework/OpenIMCore.framework/Headers/Open_im_sdk.objc.h
@@ -120,6 +120,9 @@ FOUNDATION_EXPORT NSString* _Nonnull Open_im_sdkGetConversationIDBySessionType(N
 
 FOUNDATION_EXPORT void Open_im_sdkGetConversationListSplit(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, long offset, long count);
 
+/**
+ * deprecated
+ */
 FOUNDATION_EXPORT void Open_im_sdkGetConversationRecvMessageOpt(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable conversationIDList);
 
 FOUNDATION_EXPORT void Open_im_sdkGetDepartmentMember(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable departmentID, long offset, long count);
@@ -138,6 +141,8 @@ FOUNDATION_EXPORT void Open_im_sdkGetGroupsInfo(id<Open_im_sdk_callbackBase> _Nu
 
 FOUNDATION_EXPORT void Open_im_sdkGetHistoryMessageList(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable getMessageOptions);
 
+FOUNDATION_EXPORT void Open_im_sdkGetHistoryMessageListReverse(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable getMessageOptions);
+
 FOUNDATION_EXPORT void Open_im_sdkGetJoinedGroupList(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID);
 
 FOUNDATION_EXPORT int32_t Open_im_sdkGetLoginStatus(void);
@@ -225,6 +230,8 @@ FOUNDATION_EXPORT void Open_im_sdkRevokeMessage(id<Open_im_sdk_callbackBase> _Nu
 
 FOUNDATION_EXPORT NSString* _Nonnull Open_im_sdkSdkVersion(void);
 
+FOUNDATION_EXPORT void Open_im_sdkSearchGroups(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable searchParam);
+
 FOUNDATION_EXPORT void Open_im_sdkSearchLocalMessages(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable searchParam);
 
 FOUNDATION_EXPORT void Open_im_sdkSendMessage(id<Open_im_sdk_callbackSendMsgCallBack> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable message, NSString* _Nullable recvID, NSString* _Nullable groupID, NSString* _Nullable offlinePushInfo);
diff --git a/ios/Framework/OpenIMCore.framework/Headers/Open_im_sdk_callback.objc.h b/ios/Framework/OpenIMCore.framework/Headers/Open_im_sdk_callback.objc.h
index 189872d..88487e1 100644
--- a/ios/Framework/OpenIMCore.framework/Headers/Open_im_sdk_callback.objc.h
+++ b/ios/Framework/OpenIMCore.framework/Headers/Open_im_sdk_callback.objc.h
@@ -93,6 +93,7 @@
 @end
 
 @protocol Open_im_sdk_callbackOnSignalingListener <NSObject>
+- (void)onHangUp:(NSString* _Nullable)hangUpCallback;
 - (void)onInvitationCancelled:(NSString* _Nullable)invitationCancelledCallback;
 - (void)onInvitationTimeout:(NSString* _Nullable)invitationTimeoutCallback;
 - (void)onInviteeAccepted:(NSString* _Nullable)inviteeAcceptedCallback;
@@ -229,6 +230,7 @@
 @property(strong, readonly) _Nonnull id _ref;
 
 - (nonnull instancetype)initWithRef:(_Nonnull id)ref;
+- (void)onHangUp:(NSString* _Nullable)hangUpCallback;
 - (void)onInvitationCancelled:(NSString* _Nullable)invitationCancelledCallback;
 - (void)onInvitationTimeout:(NSString* _Nullable)invitationTimeoutCallback;
 - (void)onInviteeAccepted:(NSString* _Nullable)inviteeAcceptedCallback;
diff --git a/ios/Framework/OpenIMCore.framework/OpenIMCore b/ios/Framework/OpenIMCore.framework/OpenIMCore
index 249621b..10ce959 100644
Binary files a/ios/Framework/OpenIMCore.framework/OpenIMCore and b/ios/Framework/OpenIMCore.framework/OpenIMCore differ
diff --git a/lib/src/listener/signaling_listener.dart b/lib/src/listener/signaling_listener.dart
index e1d95ae..67219c2 100644
--- a/lib/src/listener/signaling_listener.dart
+++ b/lib/src/listener/signaling_listener.dart
@@ -8,6 +8,7 @@ class OnSignalingListener {
   final Function(SignalingInfo info)? onReceiveNewInvitation;
   final Function(SignalingInfo info)? onInviteeRejectedByOtherDevice;
   final Function(SignalingInfo info)? onInviteeAcceptedByOtherDevice;
+  final Function(SignalingInfo info)? onHangup;
 
   OnSignalingListener({
     this.onInvitationCancelled,
@@ -17,6 +18,7 @@ class OnSignalingListener {
     this.onReceiveNewInvitation,
     this.onInviteeAcceptedByOtherDevice,
     this.onInviteeRejectedByOtherDevice,
+    this.onHangup,
   });
 
   /// 被邀请者收到：邀请者取消音视频通话
@@ -53,4 +55,9 @@ class OnSignalingListener {
   void inviteeRejectedByOtherDevice(SignalingInfo info) {
     onInviteeRejectedByOtherDevice?.call(info);
   }
+
+  /// 被挂断
+  void hangup(SignalingInfo info) {
+    onHangup?.call(info);
+  }
 }
diff --git a/lib/src/manager/im_conversation_manager.dart b/lib/src/manager/im_conversation_manager.dart
index 43e3b5f..270f9be 100644
--- a/lib/src/manager/im_conversation_manager.dart
+++ b/lib/src/manager/im_conversation_manager.dart
@@ -243,6 +243,24 @@ class ConversationManager {
             "operationID": Utils.checkOperationID(operationID),
           }));
 
+  /// Reset group converstaion at type
+  /// 重置at标准位
+  Future<dynamic> resetConversationGroupAtType({
+    required String conversationID,
+    String? operationID,
+  }) =>
+      _channel.invokeMethod(
+          'resetConversationGroupAtType',
+          _buildParam({
+            "conversationID": conversationID,
+            "operationID": Utils.checkOperationID(operationID),
+          }));
+
+  /// Get @ all member tag
+  /// 查询at所有人标识
+  Future<dynamic> getAtAllTag() =>
+      _channel.invokeMethod('getAtAllTag', _buildParam({}));
+
   /// 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 16166c5..b1c46d2 100644
--- a/lib/src/manager/im_group_manager.dart
+++ b/lib/src/manager/im_group_manager.dart
@@ -382,6 +382,31 @@ class GroupManager {
             'operationID': Utils.checkOperationID(operationID),
           }));
 
+  /// Search group
+  /// 查询群
+  /// [keywordList] 搜索关键词，目前仅支持一个关键词搜索，不能为空
+  /// [isSearchGroupID] 是否以关键词搜索群ID(注：两个不可以同时为false)，为空默认false
+  /// [isSearchGroupName] 是否以关键词搜索群名字，为空默认false
+  Future<List<GroupInfo>> searchGroups({
+    List<String> keywordList = const [],
+    bool isSearchGroupID = false,
+    bool isSearchGroupName = false,
+    String? operationID,
+  }) =>
+      _channel
+          .invokeMethod(
+              'searchGroups',
+              _buildParam({
+                'searchParam': {
+                  'keywordList': keywordList,
+                  'isSearchGroupID': isSearchGroupID,
+                  'isSearchGroupName': isSearchGroupName,
+                },
+                'operationID': Utils.checkOperationID(operationID),
+              }))
+          .then(
+              (value) => Utils.toList(value, (map) => GroupInfo.fromJson(map)));
+
   static Map _buildParam(Map param) {
     param["ManagerName"] = "groupManager";
     return param;
diff --git a/lib/src/manager/im_manager.dart b/lib/src/manager/im_manager.dart
index 37030b1..5f594bd 100644
--- a/lib/src/manager/im_manager.dart
+++ b/lib/src/manager/im_manager.dart
@@ -258,6 +258,9 @@ class IMManager {
             case 'onInviteeRejectedByOtherDevice':
               signalingManager.listener.inviteeRejectedByOtherDevice(u);
               break;
+            case 'onHangUp':
+              signalingManager.listener.hangup(u);
+              break;
           }
         } else if (call.method == ListenerType.workMomentsListener) {
           String type = call.arguments['type'];
diff --git a/lib/src/manager/im_message_manager.dart b/lib/src/manager/im_message_manager.dart
index d8673e2..59875a3 100644
--- a/lib/src/manager/im_message_manager.dart
+++ b/lib/src/manager/im_message_manager.dart
@@ -529,8 +529,7 @@ class MessageManager {
 
   /// Search local message
   /// 搜索消息
-  /// [sourceID]单聊为用户ID，群聊为群ID
-  /// [sessionType]会话类型，单聊为1，群聊为2，如果为0，则代表搜索全部
+  /// [conversationID] 根据会话查询，如果是全局搜索传null
   /// [keywordList]搜索关键词列表，目前仅支持一个关键词搜索
   /// [keywordListMatchType]关键词匹配模式，1代表与，2代表或，暂时未用
   /// [senderUserIDList]指定消息发送的uid列表 暂时未用
@@ -540,8 +539,7 @@ class MessageManager {
   /// [pageIndex]当前页数
   /// [count]每页数量
   Future<SearchResult> searchLocalMessages({
-    required String sourceID,
-    required int sessionType,
+    String? conversationID,
     List<String> keywordList = const [],
     int keywordListMatchType = 0,
     List<String> senderUserIDList = const [],
@@ -557,8 +555,7 @@ class MessageManager {
               'searchLocalMessages',
               _buildParam({
                 'filter': {
-                  'sourceID': sourceID,
-                  'sessionType': sessionType,
+                  'conversationID': conversationID,
                   'keywordList': keywordList,
                   'keywordListMatchType': keywordListMatchType,
                   'senderUserIDList': senderUserIDList,
@@ -649,6 +646,32 @@ class MessageManager {
             "operationID": Utils.checkOperationID(operationID),
           }));
 
+  /// Find all history message
+  /// 获取聊天记录
+  /// [userID]接收消息的用户id
+  /// [conversationID] 会话id
+  /// [groupID]接收消息的组id
+  Future<List<Message>> getHistoryMessageListReverse({
+    String? userID,
+    String? groupID,
+    String? conversationID,
+    Message? startMsg,
+    int? count,
+    String? operationID,
+  }) =>
+      _channel
+          .invokeMethod(
+              'getHistoryMessageListReverse',
+              _buildParam({
+                'userID': userID ?? '',
+                'groupID': groupID ?? '',
+                'conversationID': conversationID ?? '',
+                'startClientMsgID': startMsg?.clientMsgID ?? '',
+                'count': count ?? 10,
+                'operationID': Utils.checkOperationID(operationID),
+              }))
+          .then((value) => Utils.toList(value, (map) => Message.fromJson(map)));
+
   static Map _buildParam(Map param) {
     param["ManagerName"] = "messageManager";
     return param;
diff --git a/lib/src/models/search_info.dart b/lib/src/models/search_info.dart
index 5d806b0..c5a8a24 100644
--- a/lib/src/models/search_info.dart
+++ b/lib/src/models/search_info.dart
@@ -32,7 +32,12 @@ class SearchResultItems {
   /// 会话ID
   String? conversationID;
 
-  /// 这个会话下的消息数量
+  /// 会话类型1单聊，2群聊，3，超级大群，4通知会话
+  int? conversationType;
+  String? showName;
+  String? faceURL;
+
+  /// 搜索到的这个会话下的消息数量
   int? messageCount;
 
   /// [Message]的列表
@@ -42,6 +47,9 @@ class SearchResultItems {
 
   SearchResultItems.fromJson(Map<String, dynamic> json) {
     conversationID = json['conversationID'];
+    conversationType = json['conversationType'];
+    showName = json['showName'];
+    faceURL = json['faceURL'];
     messageCount = json['messageCount'];
     if (json['messageList'] != null) {
       messageList = <Message>[];
@@ -54,6 +62,9 @@ class SearchResultItems {
   Map<String, dynamic> toJson() {
     final data = Map<String, dynamic>();
     data['conversationID'] = this.conversationID;
+    data['conversationType'] = this.conversationType;
+    data['showName'] = this.showName;
+    data['faceURL'] = this.faceURL;
     data['messageCount'] = this.messageCount;
     if (this.messageList != null) {
       data['messageList'] = this.messageList!.map((v) => v.toJson()).toList();