diff --git a/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java b/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java
index 2b735f3a..7841ec31 100755
--- a/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java
+++ b/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java
@@ -2223,7 +2223,6 @@ public class MemoryMessagesStore implements IMessagesStore {
         HazelcastInstance hzInstance = m_Server.getHazelcastInstance();
         IMap<String, WFCMessage.User> mUserMap = hzInstance.getMap(USERS);
 
-
         WFCMessage.User user = mUserMap.get(userId);
         if (user == null) {
             user = databaseStore.getPersistUser(userId);
@@ -2287,6 +2286,7 @@ public class MemoryMessagesStore implements IMessagesStore {
             databaseStore.updateUser(user);
             mUserMap.set(userId, user);
 
+            IMHandler.getPublisher().publishNotification(IMTopic.NotifyUserInfoTopic, user.getUid(), 0, null);
             callbackUserInfoEvent(user);
 
             return ErrorCode.ERROR_CODE_SUCCESS;
@@ -2434,6 +2434,8 @@ public class MemoryMessagesStore implements IMessagesStore {
             return ErrorCode.ERROR_CODE_SERVER_ERROR;
         }
 
+        IMHandler.getPublisher().publishNotification(IMTopic.NotifyUserInfoTopic, user.getUid(), 0, null);
+
         mUserMap.put(user.getUid(), user);
         callbackUserInfoEvent(user);
         return ErrorCode.ERROR_CODE_SUCCESS;
diff --git a/broker/src/main/java/win/liyufan/im/IMTopic.java b/broker/src/main/java/win/liyufan/im/IMTopic.java
index 69ac7d4d..d64316a9 100755
--- a/broker/src/main/java/win/liyufan/im/IMTopic.java
+++ b/broker/src/main/java/win/liyufan/im/IMTopic.java
@@ -40,6 +40,7 @@ public interface IMTopic {
 
     String GetUserInfoTopic = "UPUI";
     String ModifyMyInfoTopic = "MMI";
+    String NotifyUserInfoTopic = "UIN";
 
 	String GetQiniuUploadTokenTopic = "GQNUT";