diff --git a/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java b/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java
index fc4592a6..1d902dbb 100755
--- a/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java
+++ b/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java
@@ -2206,6 +2206,9 @@ public class MemoryMessagesStore implements IMessagesStore {
         if((flag & Update_User_Extra) > 0) {
             builder.setExtra(userInfo.getExtra());
         }
+        if((flag & Update_User_Name) > 0) {
+            builder.setName(userInfo.getName());
+        }
         builder.setUpdateDt(System.currentTimeMillis());
         user = builder.build();
         try {
diff --git a/common/src/main/java/cn/wildfirechat/proto/ProtoConstants.java b/common/src/main/java/cn/wildfirechat/proto/ProtoConstants.java
index 5d52ac49..14267387 100644
--- a/common/src/main/java/cn/wildfirechat/proto/ProtoConstants.java
+++ b/common/src/main/java/cn/wildfirechat/proto/ProtoConstants.java
@@ -211,6 +211,7 @@ public class ProtoConstants {
         int Update_User_Company = 0x40;
         int Update_User_Social = 0x80;
         int Update_User_Extra = 0x100;
+        int Update_User_Name = 0x200;
     }