diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1183713..68e1c51 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+## 2.0.0+6
+
+1.Fix bug</br>
+2.New modify group nickname</br>
+3.Update at message</br>
+4.ConverstaionInfo new add isNotInGroup field</br>
+5.New at type</br>
+6.New work moments</br>
+
 ## 2.0.0+5
 
 1.New notification parse </br>
diff --git a/android/build.gradle b/android/build.gradle
index 04079f1..d36bbe1 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -41,5 +41,5 @@ android {
     }
 }
 dependencies {
-    implementation 'io.openim:client-sdk:2.0.31@aar'
+    implementation 'io.openim:client-sdk:2.0.42@aar'
 }
\ No newline at end of file
diff --git a/android/src/main/java/io/openim/flutter_openim_sdk/FlutterOpenimSdkPlugin.java b/android/src/main/java/io/openim/flutter_openim_sdk/FlutterOpenimSdkPlugin.java
index 8f3a500..918b76b 100644
--- a/android/src/main/java/io/openim/flutter_openim_sdk/FlutterOpenimSdkPlugin.java
+++ b/android/src/main/java/io/openim/flutter_openim_sdk/FlutterOpenimSdkPlugin.java
@@ -20,6 +20,7 @@ import io.openim.flutter_openim_sdk.manager.IMManager;
 import io.openim.flutter_openim_sdk.manager.MessageManager;
 import io.openim.flutter_openim_sdk.manager.SignalingManager;
 import io.openim.flutter_openim_sdk.manager.UserManager;
+import io.openim.flutter_openim_sdk.manager.WorkMomentsManager;
 
 
 /**
@@ -39,6 +40,7 @@ public class FlutterOpenimSdkPlugin implements FlutterPlugin, MethodCallHandler
     private static ConversationManager conversationManager;
     private static GroupManager groupManager;
     private static SignalingManager signalingManager;
+    private static WorkMomentsManager workMomentsManager;
 
     public FlutterOpenimSdkPlugin() {
     }
@@ -51,6 +53,7 @@ public class FlutterOpenimSdkPlugin implements FlutterPlugin, MethodCallHandler
         FlutterOpenimSdkPlugin.conversationManager = new ConversationManager();
         FlutterOpenimSdkPlugin.groupManager = new GroupManager();
         FlutterOpenimSdkPlugin.signalingManager = new SignalingManager();
+        FlutterOpenimSdkPlugin.workMomentsManager = new WorkMomentsManager();
     }
 
     @Override
diff --git a/android/src/main/java/io/openim/flutter_openim_sdk/listener/OnWorkMomentsListener.java b/android/src/main/java/io/openim/flutter_openim_sdk/listener/OnWorkMomentsListener.java
new file mode 100644
index 0000000..73c6927
--- /dev/null
+++ b/android/src/main/java/io/openim/flutter_openim_sdk/listener/OnWorkMomentsListener.java
@@ -0,0 +1,12 @@
+package io.openim.flutter_openim_sdk.listener;
+
+import io.openim.flutter_openim_sdk.util.CommonUtil;
+
+public class OnWorkMomentsListener implements open_im_sdk_callback.OnWorkMomentsListener {
+
+
+    @Override
+    public void onRecvNewNotification() {
+        CommonUtil.emitEvent("workMomentsListener", "OnRecvNewNotification", null);
+    }
+}
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 1132a02..3027014 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
@@ -174,4 +174,13 @@ public class GroupManager extends BaseManager {
                 int2long(methodCall, "seconds")
         );
     }
+
+    public void setGroupMemberNickname(MethodCall methodCall, MethodChannel.Result result) {
+        Open_im_sdk.setGroupMemberNickname(new OnBaseListener(result),
+                value(methodCall, "operationID"),
+                value(methodCall, "gid"),
+                value(methodCall, "uid"),
+                value(methodCall, "groupNickname")
+        );
+    }
 }
\ 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 d376581..f36d209 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
@@ -182,7 +182,10 @@ public class MessageManager extends BaseManager {
                 Open_im_sdk.createTextAtMessage(
                         value(methodCall, "operationID"),
                         value(methodCall, "text"),
-                        jsonValue(methodCall, "atUserList")));
+                        jsonValue(methodCall, "atUserIDList"),
+                        jsonValue(methodCall, "atUserInfoList"),
+                        jsonValue(methodCall, "quoteMessage")
+                ));
     }
 
     public void createImageMessage(MethodCall methodCall, MethodChannel.Result result) {
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
new file mode 100644
index 0000000..12dc39b
--- /dev/null
+++ b/android/src/main/java/io/openim/flutter_openim_sdk/manager/WorkMomentsManager.java
@@ -0,0 +1,31 @@
+package io.openim.flutter_openim_sdk.manager;
+
+import io.flutter.plugin.common.MethodCall;
+import io.flutter.plugin.common.MethodChannel;
+import io.openim.flutter_openim_sdk.listener.OnBaseListener;
+import io.openim.flutter_openim_sdk.listener.OnWorkMomentsListener;
+import open_im_sdk.Open_im_sdk;
+
+public class WorkMomentsManager extends BaseManager {
+
+    void setWorkMomentsListener(MethodCall methodCall, MethodChannel.Result result) {
+        Open_im_sdk.setWorkMomentsListener(new OnWorkMomentsListener());
+    }
+
+    public void getWorkMomentsUnReadCount(MethodCall methodCall, MethodChannel.Result result) {
+        Open_im_sdk.getWorkMomentsUnReadCount(new OnBaseListener(result),
+                value(methodCall, "operationID"));
+    }
+
+    public void getWorkMomentsNotification(MethodCall methodCall, MethodChannel.Result result) {
+        Open_im_sdk.getWorkMomentsNotification(new OnBaseListener(result),
+                value(methodCall, "operationID"),
+                int2long(methodCall, "offset"),
+                int2long(methodCall, "count"));
+    }
+
+    public void clearWorkMomentsNotification(MethodCall methodCall, MethodChannel.Result result) {
+        Open_im_sdk.clearWorkMomentsNotification(new OnBaseListener(result),
+                value(methodCall, "operationID"));
+    }
+}
diff --git a/android/src/main/java/io/openim/flutter_openim_sdk/util/JsonUtil.java b/android/src/main/java/io/openim/flutter_openim_sdk/util/JsonUtil.java
index 0c8af16..897da15 100644
--- a/android/src/main/java/io/openim/flutter_openim_sdk/util/JsonUtil.java
+++ b/android/src/main/java/io/openim/flutter_openim_sdk/util/JsonUtil.java
@@ -4,8 +4,9 @@ import org.json.JSONObject;
 
 public class JsonUtil {
     public static String toString(Object o) {
+        if (o == null) return null;
         if (o instanceof String) {
-            StringBuffer buffer = new StringBuffer();
+            StringBuilder buffer = new StringBuilder();
             buffer.append("\"");
             buffer.append(o);
             buffer.append("\"");
diff --git a/ios/Classes/Module/GroupManager.swift b/ios/Classes/Module/GroupManager.swift
index 8ec19a8..533acfb 100644
--- a/ios/Classes/Module/GroupManager.swift
+++ b/ios/Classes/Module/GroupManager.swift
@@ -24,6 +24,7 @@ public class GroupManager: BaseServiceManager {
         self["dismissGroup"] = dismissGroup
         self["changeGroupMute"] = changeGroupMute
         self["changeGroupMemberMute"] = changeGroupMemberMute
+        self["setGroupMemberNickname"] = setGroupMemberNickname
     }
 
     func setGroupListener(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
@@ -105,6 +106,10 @@ public class GroupManager: BaseServiceManager {
     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"])
     }
+    
+    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"])
+    }
 }
 
 public class GroupListener: NSObject, Open_im_sdk_callbackOnGroupListenerProtocol {
diff --git a/ios/Classes/Module/MessageManager.swift b/ios/Classes/Module/MessageManager.swift
index 85d5318..2c7017f 100644
--- a/ios/Classes/Module/MessageManager.swift
+++ b/ios/Classes/Module/MessageManager.swift
@@ -98,7 +98,8 @@ public class MessageManager: BaseServiceManager {
     }
     
     func createTextAtMessage(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
-        callBack(result, Open_im_sdkCreateTextAtMessage(methodCall[string: "operationID"], methodCall[string: "text"], methodCall[jsonString: "atUserList"]))
+        callBack(result, Open_im_sdkCreateTextAtMessage(methodCall[string: "operationID"], methodCall[string: "text"],
+                                                        methodCall[jsonString: "atUserIDList"], methodCall[jsonString: "atUserInfoList"], methodCall[jsonString: "quoteMessage"]))
     }
     
     func createImageMessage(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
diff --git a/ios/Classes/Module/WorkMomentsManager.swift b/ios/Classes/Module/WorkMomentsManager.swift
new file mode 100644
index 0000000..d00b166
--- /dev/null
+++ b/ios/Classes/Module/WorkMomentsManager.swift
@@ -0,0 +1,44 @@
+import Foundation
+import OpenIMCore
+
+public class WorkMomentsManager: BaseServiceManager {
+
+  public override func registerHandlers() {
+        super.registerHandlers()
+        self["setWorkMomentsListener"] = setWorkMomentsListener
+        self["getWorkMomentsUnReadCount"] = getWorkMomentsUnReadCount
+        self["getWorkMomentsNotification"] = getWorkMomentsNotification
+        self["clearWorkMomentsNotification"] = clearWorkMomentsNotification
+    }
+
+    func setWorkMomentsListener(methodCall: FlutterMethodCall, result: @escaping FlutterResult){
+        Open_im_sdkSetWorkMomentsListener(WorkMomentsListener(channel: channel))
+        callBack(result)
+    }
+
+    func getWorkMomentsUnReadCount(methodCall: FlutterMethodCall, result: @escaping FlutterResult) {
+        Open_im_sdkGetWorkMomentsUnReadCount(BaseCallback(result: result), methodCall[string: "operationID"])
+    }
+    
+    func getWorkMomentsNotification(methodCall: FlutterMethodCall, result: @escaping FlutterResult) {
+        Open_im_sdkGetWorkMomentsNotification(BaseCallback(result: result), methodCall[string: "operationID"], methodCall[int: "offset"], methodCall[int: "count"])
+    }
+    
+    func clearWorkMomentsNotification(methodCall: FlutterMethodCall, result: @escaping FlutterResult) {
+        Open_im_sdkClearWorkMomentsNotification(BaseCallback(result: result), methodCall[string: "operationID"])
+    }
+}
+
+public class WorkMomentsListener: NSObject, Open_im_sdk_callbackOnWorkMomentsListenerProtocol {
+    
+    private let channel:FlutterMethodChannel
+
+    init(channel:FlutterMethodChannel) {
+        self.channel = channel
+    }
+    
+    public func onRecvNewNotification() {
+        CommonUtil.emitEvent(channel: self.channel, method: "workMomentsListener", type: "OnRecvNewNotification", errCode: nil, errMsg: nil, data: nil)
+    }
+    
+}
diff --git a/ios/Classes/SwiftFlutterOpenimSdkPlugin.swift b/ios/Classes/SwiftFlutterOpenimSdkPlugin.swift
index 5324a94..8091c80 100644
--- a/ios/Classes/SwiftFlutterOpenimSdkPlugin.swift
+++ b/ios/Classes/SwiftFlutterOpenimSdkPlugin.swift
@@ -9,6 +9,7 @@ public class SwiftFlutterOpenimSdkPlugin: NSObject, FlutterPlugin {
     let groupManager: GroupManager
     let userManger: UserManager
     let signalingManager: SignalingManager
+    let workMomentsManager: WorkMomentsManager
     
     init(channel: FlutterMethodChannel) {
         self.imManager = IMMananger(channel: channel)
@@ -18,6 +19,7 @@ public class SwiftFlutterOpenimSdkPlugin: NSObject, FlutterPlugin {
         self.groupManager = GroupManager(channel: channel)
         self.userManger = UserManager(channel: channel)
         self.signalingManager = SignalingManager(channel: channel)
+        self.workMomentsManager = WorkMomentsManager(channel: channel)
     }
     
     public static func register(with registrar: FlutterPluginRegistrar) {
@@ -43,6 +45,8 @@ public class SwiftFlutterOpenimSdkPlugin: NSObject, FlutterPlugin {
             userManger.handleMethod(call: call, result: result)
         case "signalingManager":
             signalingManager.handleMethod(call: call, result: result)
+        case "workMomentsManager":
+            workMomentsManager.handleMethod(call: call, result: result)
         default:
             print("Handle ManagerName Error: \(managerName) not found")
         }
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 834b275..28c06f4 100644
--- a/ios/Framework/OpenIMCore.framework/Headers/Open_im_sdk.objc.h
+++ b/ios/Framework/OpenIMCore.framework/Headers/Open_im_sdk.objc.h
@@ -46,6 +46,8 @@ FOUNDATION_EXPORT void Open_im_sdkClearGroupHistoryMessage(id<Open_im_sdk_callba
 
 FOUNDATION_EXPORT void Open_im_sdkClearGroupHistoryMessageFromLocalAndSvr(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable groupID);
 
+FOUNDATION_EXPORT void Open_im_sdkClearWorkMomentsNotification(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID);
+
 FOUNDATION_EXPORT NSString* _Nonnull Open_im_sdkCreateCardMessage(NSString* _Nullable operationID, NSString* _Nullable cardInfo);
 
 FOUNDATION_EXPORT NSString* _Nonnull Open_im_sdkCreateCustomMessage(NSString* _Nullable operationID, NSString* _Nullable data, NSString* _Nullable extension, NSString* _Nullable description);
@@ -80,7 +82,7 @@ FOUNDATION_EXPORT NSString* _Nonnull Open_im_sdkCreateSoundMessageByURL(NSString
 
 FOUNDATION_EXPORT NSString* _Nonnull Open_im_sdkCreateSoundMessageFromFullPath(NSString* _Nullable operationID, NSString* _Nullable soundPath, int64_t duration);
 
-FOUNDATION_EXPORT NSString* _Nonnull Open_im_sdkCreateTextAtMessage(NSString* _Nullable operationID, NSString* _Nullable text, NSString* _Nullable atUserList);
+FOUNDATION_EXPORT NSString* _Nonnull Open_im_sdkCreateTextAtMessage(NSString* _Nullable operationID, NSString* _Nullable text, NSString* _Nullable atUserList, NSString* _Nullable atUsersInfo, NSString* _Nullable message);
 
 FOUNDATION_EXPORT NSString* _Nonnull Open_im_sdkCreateTextMessage(NSString* _Nullable operationID, NSString* _Nullable text);
 
@@ -110,6 +112,8 @@ FOUNDATION_EXPORT void Open_im_sdkDismissGroup(id<Open_im_sdk_callbackBase> _Nul
 
 FOUNDATION_EXPORT void Open_im_sdkGetAllConversationList(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID);
 
+FOUNDATION_EXPORT NSString* _Nonnull Open_im_sdkGetAtAllTag(void);
+
 FOUNDATION_EXPORT void Open_im_sdkGetBlackList(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID);
 
 FOUNDATION_EXPORT NSString* _Nonnull Open_im_sdkGetConversationIDBySessionType(NSString* _Nullable sourceID, long sessionType);
@@ -118,6 +122,10 @@ FOUNDATION_EXPORT void Open_im_sdkGetConversationListSplit(id<Open_im_sdk_callba
 
 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);
+
+FOUNDATION_EXPORT void Open_im_sdkGetDepartmentMemberAndSubDepartment(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable departmentID, long departmentOffset, long departmentCount, long memberOffset, long memberCount);
+
 FOUNDATION_EXPORT void Open_im_sdkGetDesignatedFriendsInfo(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable userIDList);
 
 FOUNDATION_EXPORT void Open_im_sdkGetFriendList(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID);
@@ -150,8 +158,12 @@ FOUNDATION_EXPORT void Open_im_sdkGetSendFriendApplicationList(id<Open_im_sdk_ca
 
 FOUNDATION_EXPORT void Open_im_sdkGetSendGroupApplicationList(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID);
 
+FOUNDATION_EXPORT void Open_im_sdkGetSubDepartment(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable departmentID, long offset, long count);
+
 FOUNDATION_EXPORT void Open_im_sdkGetTotalUnreadMsgCount(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID);
 
+FOUNDATION_EXPORT void Open_im_sdkGetUserInDepartment(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable userID);
+
 // skipped function GetUserWorker with unsupported parameter or return types
 
 
@@ -160,6 +172,13 @@ FOUNDATION_EXPORT void Open_im_sdkGetTotalUnreadMsgCount(id<Open_im_sdk_callback
  */
 FOUNDATION_EXPORT void Open_im_sdkGetUsersInfo(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable userIDList);
 
+FOUNDATION_EXPORT void Open_im_sdkGetWorkMomentsNotification(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, long offset, long count);
+
+/**
+ * workMomentsInterface
+ */
+FOUNDATION_EXPORT void Open_im_sdkGetWorkMomentsUnReadCount(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID);
+
 // skipped function InitOnce with unsupported parameter or return types
 
 
@@ -200,6 +219,8 @@ FOUNDATION_EXPORT void Open_im_sdkRefuseGroupApplication(id<Open_im_sdk_callback
 
 FOUNDATION_EXPORT void Open_im_sdkRemoveBlack(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable removeUserID);
 
+FOUNDATION_EXPORT void Open_im_sdkResetConversationGroupAtType(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable conversationID);
+
 FOUNDATION_EXPORT void Open_im_sdkRevokeMessage(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable message);
 
 FOUNDATION_EXPORT NSString* _Nonnull Open_im_sdkSdkVersion(void);
@@ -229,12 +250,16 @@ FOUNDATION_EXPORT void Open_im_sdkSetGroupInfo(id<Open_im_sdk_callbackBase> _Nul
  */
 FOUNDATION_EXPORT void Open_im_sdkSetGroupListener(id<Open_im_sdk_callbackOnGroupListener> _Nullable callback);
 
+FOUNDATION_EXPORT void Open_im_sdkSetGroupMemberNickname(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable groupID, NSString* _Nullable userID, NSString* _Nullable groupMemberNickname);
+
 FOUNDATION_EXPORT void Open_im_sdkSetHeartbeatInterval(long heartbeatInterval);
 
 FOUNDATION_EXPORT void Open_im_sdkSetOneConversationPrivateChat(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable conversationID, BOOL isPrivate);
 
 FOUNDATION_EXPORT void Open_im_sdkSetOneConversationRecvMessageOpt(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable conversationID, long opt);
 
+FOUNDATION_EXPORT void Open_im_sdkSetOrganizationListener(id<Open_im_sdk_callbackOnOrganizationListener> _Nullable callback);
+
 FOUNDATION_EXPORT void Open_im_sdkSetSelfInfo(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable userInfo);
 
 /**
@@ -244,6 +269,8 @@ FOUNDATION_EXPORT void Open_im_sdkSetSignalingListener(id<Open_im_sdk_callbackOn
 
 FOUNDATION_EXPORT void Open_im_sdkSetUserListener(id<Open_im_sdk_callbackOnUserListener> _Nullable listener);
 
+FOUNDATION_EXPORT void Open_im_sdkSetWorkMomentsListener(id<Open_im_sdk_callbackOnWorkMomentsListener> _Nullable listener);
+
 FOUNDATION_EXPORT void Open_im_sdkSignalingAccept(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable signalAcceptReq);
 
 FOUNDATION_EXPORT void Open_im_sdkSignalingCancel(id<Open_im_sdk_callbackBase> _Nullable callback, NSString* _Nullable operationID, NSString* _Nullable signalCancelReq);
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 715b2ab..189872d 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
@@ -23,10 +23,14 @@
 @class Open_im_sdk_callbackOnFriendshipListener;
 @protocol Open_im_sdk_callbackOnGroupListener;
 @class Open_im_sdk_callbackOnGroupListener;
+@protocol Open_im_sdk_callbackOnOrganizationListener;
+@class Open_im_sdk_callbackOnOrganizationListener;
 @protocol Open_im_sdk_callbackOnSignalingListener;
 @class Open_im_sdk_callbackOnSignalingListener;
 @protocol Open_im_sdk_callbackOnUserListener;
 @class Open_im_sdk_callbackOnUserListener;
+@protocol Open_im_sdk_callbackOnWorkMomentsListener;
+@class Open_im_sdk_callbackOnWorkMomentsListener;
 @protocol Open_im_sdk_callbackSendMsgCallBack;
 @class Open_im_sdk_callbackSendMsgCallBack;
 
@@ -38,7 +42,7 @@
 @protocol Open_im_sdk_callbackOnAdvancedMsgListener <NSObject>
 - (void)onRecvC2CReadReceipt:(NSString* _Nullable)msgReceiptList;
 - (void)onRecvGroupReadReceipt:(NSString* _Nullable)groupMsgReceiptList;
-- (void)onRecvMessageRevoked:(NSString* _Nullable)msgId;
+- (void)onRecvMessageRevoked:(NSString* _Nullable)msgID;
 - (void)onRecvNewMessage:(NSString* _Nullable)message;
 @end
 
@@ -84,6 +88,10 @@
 - (void)onJoinedGroupDeleted:(NSString* _Nullable)groupInfo;
 @end
 
+@protocol Open_im_sdk_callbackOnOrganizationListener <NSObject>
+- (void)onOrganizationUpdated;
+@end
+
 @protocol Open_im_sdk_callbackOnSignalingListener <NSObject>
 - (void)onInvitationCancelled:(NSString* _Nullable)invitationCancelledCallback;
 - (void)onInvitationTimeout:(NSString* _Nullable)invitationTimeoutCallback;
@@ -98,6 +106,10 @@
 - (void)onSelfInfoUpdated:(NSString* _Nullable)userInfo;
 @end
 
+@protocol Open_im_sdk_callbackOnWorkMomentsListener <NSObject>
+- (void)onRecvNewNotification;
+@end
+
 @protocol Open_im_sdk_callbackSendMsgCallBack <NSObject>
 - (void)onError:(int32_t)errCode errMsg:(NSString* _Nullable)errMsg;
 - (void)onProgress:(long)progress;
@@ -116,10 +128,14 @@
 
 @class Open_im_sdk_callbackOnGroupListener;
 
+@class Open_im_sdk_callbackOnOrganizationListener;
+
 @class Open_im_sdk_callbackOnSignalingListener;
 
 @class Open_im_sdk_callbackOnUserListener;
 
+@class Open_im_sdk_callbackOnWorkMomentsListener;
+
 @class Open_im_sdk_callbackSendMsgCallBack;
 
 @interface Open_im_sdk_callbackBase : NSObject <goSeqRefInterface, Open_im_sdk_callbackBase> {
@@ -138,7 +154,7 @@
 - (nonnull instancetype)initWithRef:(_Nonnull id)ref;
 - (void)onRecvC2CReadReceipt:(NSString* _Nullable)msgReceiptList;
 - (void)onRecvGroupReadReceipt:(NSString* _Nullable)groupMsgReceiptList;
-- (void)onRecvMessageRevoked:(NSString* _Nullable)msgId;
+- (void)onRecvMessageRevoked:(NSString* _Nullable)msgID;
 - (void)onRecvNewMessage:(NSString* _Nullable)message;
 @end
 
@@ -200,6 +216,14 @@
 - (void)onJoinedGroupDeleted:(NSString* _Nullable)groupInfo;
 @end
 
+@interface Open_im_sdk_callbackOnOrganizationListener : NSObject <goSeqRefInterface, Open_im_sdk_callbackOnOrganizationListener> {
+}
+@property(strong, readonly) _Nonnull id _ref;
+
+- (nonnull instancetype)initWithRef:(_Nonnull id)ref;
+- (void)onOrganizationUpdated;
+@end
+
 @interface Open_im_sdk_callbackOnSignalingListener : NSObject <goSeqRefInterface, Open_im_sdk_callbackOnSignalingListener> {
 }
 @property(strong, readonly) _Nonnull id _ref;
@@ -222,6 +246,14 @@
 - (void)onSelfInfoUpdated:(NSString* _Nullable)userInfo;
 @end
 
+@interface Open_im_sdk_callbackOnWorkMomentsListener : NSObject <goSeqRefInterface, Open_im_sdk_callbackOnWorkMomentsListener> {
+}
+@property(strong, readonly) _Nonnull id _ref;
+
+- (nonnull instancetype)initWithRef:(_Nonnull id)ref;
+- (void)onRecvNewNotification;
+@end
+
 @interface Open_im_sdk_callbackSendMsgCallBack : NSObject <goSeqRefInterface, Open_im_sdk_callbackSendMsgCallBack> {
 }
 @property(strong, readonly) _Nonnull id _ref;
diff --git a/ios/Framework/OpenIMCore.framework/OpenIMCore b/ios/Framework/OpenIMCore.framework/OpenIMCore
index c34ef27..249621b 100644
Binary files a/ios/Framework/OpenIMCore.framework/OpenIMCore and b/ios/Framework/OpenIMCore.framework/OpenIMCore differ
diff --git a/lib/flutter_openim_sdk.dart b/lib/flutter_openim_sdk.dart
index 86e3013..365f4df 100644
--- a/lib/flutter_openim_sdk.dart
+++ b/lib/flutter_openim_sdk.dart
@@ -1,6 +1,7 @@
 library flutter_openim_sdk;
 
 export 'src/enum/conversation_type.dart';
+export 'src/enum/group_at_type.dart';
 export 'src/enum/group_role_level.dart';
 export 'src/enum/im_platform.dart';
 export 'src/enum/listener_type.dart';
@@ -14,6 +15,7 @@ export 'src/listener/group_listener.dart';
 export 'src/listener/msg_send_progress_listener.dart';
 export 'src/listener/signaling_listener.dart';
 export 'src/listener/user_listener.dart';
+export 'src/listener/workmoments_listener.dart';
 export 'src/manager/im_conversation_manager.dart';
 export 'src/manager/im_friendship_manager.dart';
 export 'src/manager/im_group_manager.dart';
@@ -22,6 +24,7 @@ export 'src/manager/im_message_manager.dart';
 export 'src/manager/im_offline_push_manager.dart';
 export 'src/manager/im_signaling_manager.dart';
 export 'src/manager/im_user_manager.dart';
+export 'src/manager/im_workmoments_manager.dart';
 export 'src/models/conversation_info.dart';
 export 'src/models/group_info.dart';
 export 'src/models/message.dart';
@@ -29,5 +32,6 @@ export 'src/models/notification_info.dart';
 export 'src/models/search_info.dart';
 export 'src/models/signaling_info.dart';
 export 'src/models/user_info.dart';
+export 'src/models/workmoments_info.dart';
 export 'src/openim.dart';
 export 'src/utils.dart';
diff --git a/lib/src/enum/group_at_type.dart b/lib/src/enum/group_at_type.dart
new file mode 100644
index 0000000..140d9be
--- /dev/null
+++ b/lib/src/enum/group_at_type.dart
@@ -0,0 +1,6 @@
+class GroupAtType {
+  static const atNormal = 0;
+  static const atMe = 1;
+  static const atAll = 2;
+  static const atAllAtMe = 3;
+}
diff --git a/lib/src/enum/listener_type.dart b/lib/src/enum/listener_type.dart
index 61f34c7..6e13237 100644
--- a/lib/src/enum/listener_type.dart
+++ b/lib/src/enum/listener_type.dart
@@ -8,4 +8,5 @@ class ListenerType {
   static final friendListener = 'friendListener';
   static final signalingListener = 'signalingListener';
   static final msgSendProgressListener = "msgSendProgressListener";
+  static final workMomentsListener = "workMomentsListener";
 }
diff --git a/lib/src/enum/message_type.dart b/lib/src/enum/message_type.dart
index 88b68aa..e354a28 100644
--- a/lib/src/enum/message_type.dart
+++ b/lib/src/enum/message_type.dart
@@ -56,6 +56,7 @@ class MessageType {
   static const groupMemberCancelMutedNotification = 1513;
   static const groupMutedNotification = 1514;
   static const groupCancelMutedNotification = 1515;
+  static const groupMemberInfoChangedNotification = 1516;
 
   static const signalingNotificationBegin = 1600;
   static const signalingNotification = 1601;
diff --git a/lib/src/listener/workmoments_listener.dart b/lib/src/listener/workmoments_listener.dart
new file mode 100644
index 0000000..f420fa8
--- /dev/null
+++ b/lib/src/listener/workmoments_listener.dart
@@ -0,0 +1,9 @@
+class OnWorkMomentsListener {
+  Function()? onRecvNewNotification;
+
+  OnWorkMomentsListener({this.onRecvNewNotification});
+
+  void recvNewNotification() {
+    onRecvNewNotification?.call();
+  }
+}
diff --git a/lib/src/manager/im_group_manager.dart b/lib/src/manager/im_group_manager.dart
index 3b9ae08..16166c5 100644
--- a/lib/src/manager/im_group_manager.dart
+++ b/lib/src/manager/im_group_manager.dart
@@ -365,6 +365,23 @@ class GroupManager {
             'operationID': Utils.checkOperationID(operationID),
           }));
 
+  /// Set group user nickname
+  /// 设置群成员昵称
+  Future<dynamic> setGroupMemberNickname({
+    required String groupID,
+    required String userID,
+    String? groupNickname,
+    String? operationID,
+  }) =>
+      _channel.invokeMethod(
+          'setGroupMemberNickname',
+          _buildParam({
+            'gid': groupID,
+            'uid': userID,
+            'groupNickname': groupNickname ?? '',
+            'operationID': Utils.checkOperationID(operationID),
+          }));
+
   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 d07cc9b..37030b1 100644
--- a/lib/src/manager/im_manager.dart
+++ b/lib/src/manager/im_manager.dart
@@ -13,6 +13,7 @@ class IMManager {
 
   // late OfflinePushManager offlinePushManager;
   late SignalingManager signalingManager;
+  late WorkMomentsManager workMomentsManager;
 
   late OnConnectListener _connectListener;
   late String uid;
@@ -27,6 +28,7 @@ class IMManager {
     userManager = UserManager(_channel);
     // offlinePushManager = OfflinePushManager(_channel);
     signalingManager = SignalingManager(_channel);
+    workMomentsManager = WorkMomentsManager(_channel);
     _addNativeCallback(_channel);
   }
 
@@ -212,7 +214,7 @@ class IMManager {
                   data, (map) => FriendApplicationInfo.fromJson(map));
               friendshipManager.listener.friendApplicationDeleted(u);
               break;
-            case 'onFriendApplicationListRejected':
+            case 'onFriendApplicationRejected':
               final u = Utils.toObj(
                   data, (map) => FriendApplicationInfo.fromJson(map));
               friendshipManager.listener.friendApplicationRejected(u);
@@ -257,6 +259,13 @@ class IMManager {
               signalingManager.listener.inviteeRejectedByOtherDevice(u);
               break;
           }
+        } else if (call.method == ListenerType.workMomentsListener) {
+          String type = call.arguments['type'];
+          switch (type) {
+            case 'OnRecvNewNotification':
+              workMomentsManager.listener.recvNewNotification();
+              break;
+          }
         }
       } catch (err) {
         print(
diff --git a/lib/src/manager/im_message_manager.dart b/lib/src/manager/im_message_manager.dart
index 0a1c22a..d8673e2 100644
--- a/lib/src/manager/im_message_manager.dart
+++ b/lib/src/manager/im_message_manager.dart
@@ -214,7 +214,9 @@ class MessageManager {
   /// 创建@消息
   Future<Message> createTextAtMessage({
     required String text,
-    required List<String> atUidList,
+    required List<String> atUserIDList,
+    List<AtUserInfo> atUserInfoList = const [],
+    Message? quoteMessage,
     String? operationID,
   }) =>
       _channel
@@ -222,7 +224,9 @@ class MessageManager {
             'createTextAtMessage',
             _buildParam({
               'text': text,
-              'atUserList': atUidList,
+              'atUserIDList': atUserIDList,
+              'atUserInfoList': atUserInfoList.map((e) => e.toJson()).toList(),
+              'quoteMessage': quoteMessage?.toJson(),
               "operationID": Utils.checkOperationID(operationID),
             }),
           )
diff --git a/lib/src/manager/im_workmoments_manager.dart b/lib/src/manager/im_workmoments_manager.dart
new file mode 100644
index 0000000..e13704a
--- /dev/null
+++ b/lib/src/manager/im_workmoments_manager.dart
@@ -0,0 +1,59 @@
+import 'package:flutter/services.dart';
+import 'package:flutter_openim_sdk/flutter_openim_sdk.dart';
+
+class WorkMomentsManager {
+  MethodChannel _channel;
+  late OnWorkMomentsListener listener;
+
+  WorkMomentsManager(this._channel);
+
+  /// Observe work moments changes
+  Future setWorkMomentsListener(OnWorkMomentsListener listener) {
+    this.listener = listener;
+    return _channel.invokeMethod('setWorkMomentsListener', _buildParam({}));
+  }
+
+  /// Get work moments unread count
+  Future<int> getWorkMomentsUnReadCount({
+    String? operationID,
+  }) =>
+      _channel
+          .invokeMethod(
+              'getWorkMomentsUnReadCount',
+              _buildParam({
+                'operationID': Utils.checkOperationID(operationID),
+              }))
+          .then((value) => Utils.toObj(value, (map) => map['unread_count']));
+
+  /// Get work moments notification list
+  Future<List<WorkMomentsInfo>> getWorkMomentsNotification({
+    required int offset,
+    required int count,
+    String? operationID,
+  }) =>
+      _channel
+          .invokeMethod(
+              'getWorkMomentsNotification',
+              _buildParam({
+                'offset': offset,
+                'count': count,
+                'operationID': Utils.checkOperationID(operationID),
+              }))
+          .then((value) =>
+              Utils.toList(value, (map) => WorkMomentsInfo.fromJson(map)));
+
+  /// Clear work moments notification
+  Future clearWorkMomentsNotification({
+    String? operationID,
+  }) =>
+      _channel.invokeMethod(
+          'clearWorkMomentsNotification',
+          _buildParam({
+            'operationID': Utils.checkOperationID(operationID),
+          }));
+
+  static Map _buildParam(Map param) {
+    param["ManagerName"] = "workMomentsManager";
+    return param;
+  }
+}
diff --git a/lib/src/models/conversation_info.dart b/lib/src/models/conversation_info.dart
index d7e4b1d..0579fd4 100644
--- a/lib/src/models/conversation_info.dart
+++ b/lib/src/models/conversation_info.dart
@@ -21,22 +21,25 @@ class ConversationInfo {
   bool? isPinned;
   bool? isPrivateChat;
   String? ext;
+  bool? isNotInGroup;
 
-  ConversationInfo(
-      {required this.conversationID,
-      this.conversationType,
-      this.userID,
-      this.groupID,
-      this.showName,
-      this.faceURL,
-      this.recvMsgOpt,
-      this.unreadCount,
-      this.latestMsg,
-      this.latestMsgSendTime,
-      this.draftText,
-      this.draftTextTime,
-      this.isPrivateChat,
-      this.isPinned});
+  ConversationInfo({
+    required this.conversationID,
+    this.conversationType,
+    this.userID,
+    this.groupID,
+    this.showName,
+    this.faceURL,
+    this.recvMsgOpt,
+    this.unreadCount,
+    this.latestMsg,
+    this.latestMsgSendTime,
+    this.draftText,
+    this.draftTextTime,
+    this.isPrivateChat,
+    this.isPinned,
+    this.isNotInGroup,
+  });
 
   ConversationInfo.fromJson(Map<String, dynamic> json)
       : conversationID = json['conversationID'] {
@@ -59,6 +62,8 @@ class ConversationInfo {
     draftTextTime = json['draftTextTime'];
     isPinned = json['isPinned'];
     isPrivateChat = json['isPrivateChat'];
+    isNotInGroup = json['isNotInGroup'];
+    groupAtType = json['groupAtType'];
   }
 
   Map<String, dynamic> toJson() {
@@ -77,6 +82,8 @@ class ConversationInfo {
     data['draftTextTime'] = this.draftTextTime;
     data['isPinned'] = this.isPinned;
     data['isPrivateChat'] = this.isPrivateChat;
+    data['isNotInGroup'] = this.isNotInGroup;
+    data['groupAtType'] = this.groupAtType;
     return data;
   }
 
diff --git a/lib/src/models/message.dart b/lib/src/models/message.dart
index a2da835..f04af85 100644
--- a/lib/src/models/message.dart
+++ b/lib/src/models/message.dart
@@ -424,8 +424,16 @@ class AtElem {
   String? text;
   List<String>? atUserList;
   bool? isAtSelf;
+  List<AtUserInfo>? atUsersInfo;
+  Message? quoteMessage;
 
-  AtElem({this.text, this.atUserList, this.isAtSelf});
+  AtElem({
+    this.text,
+    this.atUserList,
+    this.isAtSelf,
+    this.atUsersInfo,
+    this.quoteMessage,
+  });
 
   AtElem.fromJson(Map<String, dynamic> json) {
     text = json['text'];
@@ -433,6 +441,14 @@ class AtElem {
       atUserList = (json['atUserList'] as List).map((e) => '$e').toList();
     }
     isAtSelf = json['isAtSelf'];
+    if (json['atUsersInfo'] is List) {
+      atUsersInfo = (json['atUsersInfo'] as List)
+          .map((e) => AtUserInfo.fromJson(e))
+          .toList();
+    }
+    quoteMessage = null != json['quoteMessage']
+        ? Message.fromJson(json['quoteMessage'])
+        : null;
   }
 
   Map<String, dynamic> toJson() {
@@ -440,6 +456,8 @@ class AtElem {
     data['text'] = this.text;
     data['atUserList'] = this.atUserList;
     data['isAtSelf'] = this.isAtSelf;
+    data['atUsersInfo'] = this.atUsersInfo?.map((e) => e.toJson()).toList();
+    data['quoteMessage'] = this.quoteMessage?.toJson();
     return data;
   }
 }
@@ -705,3 +723,22 @@ class OfflinePushInfo {
     return data;
   }
 }
+
+class AtUserInfo {
+  String? atUserID;
+  String? groupNickname;
+
+  AtUserInfo({this.atUserID, this.groupNickname});
+
+  AtUserInfo.fromJson(Map<String, dynamic> json) {
+    atUserID = json['atUserID'];
+    groupNickname = json['groupNickname'];
+  }
+
+  Map<String, dynamic> toJson() {
+    final data = Map<String, dynamic>();
+    data['atUserID'] = this.atUserID;
+    data['groupNickname'] = this.groupNickname;
+    return data;
+  }
+}
diff --git a/lib/src/models/notification_info.dart b/lib/src/models/notification_info.dart
index a9fcb7f..b59f89b 100644
--- a/lib/src/models/notification_info.dart
+++ b/lib/src/models/notification_info.dart
@@ -233,6 +233,33 @@ class QuitGroupNotification {
   }
 }
 
+/// Enter group notification
+/// 进群通知
+class EnterGroupNotification {
+  GroupInfo? group;
+  GroupMembersInfo? entrantUser;
+
+  EnterGroupNotification({this.group, this.entrantUser});
+
+  EnterGroupNotification.fromJson(Map<String, dynamic> json) {
+    group = json['group'] != null ? GroupInfo.fromJson(json['group']) : null;
+    entrantUser = json['entrantUser'] != null
+        ? GroupMembersInfo.fromJson(json['entrantUser'])
+        : null;
+  }
+
+  Map<String, dynamic> toJson() {
+    final data = Map<String, dynamic>();
+    if (this.group != null) {
+      data['group'] = this.group!.toJson();
+    }
+    if (this.entrantUser != null) {
+      data['quitUser'] = this.entrantUser!.toJson();
+    }
+    return data;
+  }
+}
+
 /// Group rights transfer noticication
 /// 群权转让通知
 class GroupRightsTransferNoticication {
@@ -277,11 +304,13 @@ class MuteMemberNotification {
   GroupInfo? group;
   GroupMembersInfo? opUser;
   GroupMembersInfo? mutedUser;
+  int? mutedSeconds;
 
   MuteMemberNotification({
     this.group,
     this.opUser,
     this.mutedUser,
+    this.mutedSeconds,
   });
 
   MuteMemberNotification.fromJson(Map<String, dynamic> json) {
@@ -292,6 +321,7 @@ class MuteMemberNotification {
     mutedUser = json['mutedUser'] != null
         ? GroupMembersInfo.fromJson(json['mutedUser'])
         : null;
+    mutedSeconds = json['mutedSeconds'];
   }
 
   Map<String, dynamic> toJson() {
@@ -305,6 +335,7 @@ class MuteMemberNotification {
     if (this.mutedUser != null) {
       data['mutedUser'] = this.mutedUser!.toJson();
     }
+    data['mutedSeconds'] = this.mutedSeconds;
     return data;
   }
 }
@@ -332,3 +363,41 @@ class BurnAfterReadingNotification {
     return data;
   }
 }
+
+/// Group member info changed notification
+/// 禁言成员通知
+class GroupMemberInfoChangedNotification {
+  GroupInfo? group;
+  GroupMembersInfo? opUser;
+  GroupMembersInfo? changedUser;
+
+  GroupMemberInfoChangedNotification({
+    this.group,
+    this.opUser,
+    this.changedUser,
+  });
+
+  GroupMemberInfoChangedNotification.fromJson(Map<String, dynamic> json) {
+    group = json['group'] != null ? GroupInfo.fromJson(json['group']) : null;
+    opUser = json['opUser'] != null
+        ? GroupMembersInfo.fromJson(json['opUser'])
+        : null;
+    changedUser = json['changedUser'] != null
+        ? GroupMembersInfo.fromJson(json['changedUser'])
+        : null;
+  }
+
+  Map<String, dynamic> toJson() {
+    final data = Map<String, dynamic>();
+    if (this.group != null) {
+      data['group'] = this.group!.toJson();
+    }
+    if (this.opUser != null) {
+      data['opUser'] = this.opUser!.toJson();
+    }
+    if (this.changedUser != null) {
+      data['changedUser'] = this.changedUser!.toJson();
+    }
+    return data;
+  }
+}
diff --git a/lib/src/models/workmoments_info.dart b/lib/src/models/workmoments_info.dart
new file mode 100644
index 0000000..be064d1
--- /dev/null
+++ b/lib/src/models/workmoments_info.dart
@@ -0,0 +1,114 @@
+class WorkMomentsInfo {
+  /// 工作圈消息类型    0为普通评论 1为被喜欢 2为AT提醒看的朋友圈
+  int? notificationMsgType;
+  Comment? comment;
+
+  /// 工作圈id
+  String? workMomentID;
+
+  /// 工作圈所属用户
+  String? userID;
+
+  /// 工作圈所属用户名字
+  String? userName;
+
+  /// 工作圈用户faceurl
+  String? faceURL;
+
+  /// 工作圈内容
+  String? workMomentContent;
+
+  WorkMomentsInfo(
+      {this.notificationMsgType,
+      this.comment,
+      this.workMomentID,
+      this.userID,
+      this.userName,
+      this.faceURL,
+      this.workMomentContent});
+
+  WorkMomentsInfo.fromJson(Map<String, dynamic> json) {
+    notificationMsgType = json['notificationMsgType'];
+    comment =
+        json['comment'] != null ? Comment.fromJson(json['comment']) : null;
+    workMomentID = json['workMomentID'];
+    userID = json['userID'];
+    userName = json['userName'];
+    faceURL = json['faceURL'];
+    workMomentContent = json['workMomentContent'];
+  }
+
+  Map<String, dynamic> toJson() {
+    final data = Map<String, dynamic>();
+    data['notificationMsgType'] = this.notificationMsgType;
+    if (this.comment != null) {
+      data['comment'] = this.comment!.toJson();
+    }
+    data['workMomentID'] = this.workMomentID;
+    data['userID'] = this.userID;
+    data['userName'] = this.userName;
+    data['faceURL'] = this.faceURL;
+    data['workMomentContent'] = this.workMomentContent;
+    return data;
+  }
+}
+
+class Comment {
+  /// 回复的用户
+  String? userID;
+
+  /// 回复的用户名
+  String? userName;
+
+  /// 回复的用户头像
+  String? faceURL;
+
+  /// 被回复的用户ID
+  String? replyUserID;
+
+  /// 被回复的用户名字
+  String? replyUserName;
+
+  /// 回复ID
+  String? contentID;
+
+  /// 回复内容
+  String? content;
+
+  /// 回复时间
+  int? createTime;
+
+  Comment(
+      {this.userID,
+      this.userName,
+      this.faceURL,
+      this.replyUserID,
+      this.replyUserName,
+      this.contentID,
+      this.content,
+      this.createTime});
+
+  Comment.fromJson(Map<String, dynamic> json) {
+    userID = json['userID'];
+    userName = json['userName'];
+    faceURL = json['faceURL'];
+    replyUserID = json['replyUserID'];
+    replyUserName = json['replyUserName'];
+    contentID = json['contentID'];
+    content = json['content'];
+    createTime = json['createTime'];
+  }
+
+  Map<String, dynamic> toJson() {
+    final Map<String, dynamic> data = new Map<String, dynamic>();
+    data['userID'] = this.userID;
+    data['userName'] = this.userName;
+    data['faceURL'] = this.faceURL;
+    data['replyUserID'] = this.replyUserID;
+    data['replyUserName'] = this.replyUserName;
+    data['contentID'] = this.contentID;
+    data['content'] = this.content;
+    data['createTime'] = this.createTime;
+    return data;
+  }
+}
diff --git a/pubspec.yaml b/pubspec.yaml
index 16463c5..fcbf6dd 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: 2.0.0+5
+version: 2.0.0+6
 homepage: https://www.rentsoft.cn
 repository: https://github.com/OpenIMSDK/Open-IM-SDK-Flutter