diff --git a/broker/src/main/java/com/xiaoleilu/loServer/action/admin/CreateRobotAction.java b/broker/src/main/java/com/xiaoleilu/loServer/action/admin/CreateRobotAction.java
index 1e3d7978..2c1644d5 100755
--- a/broker/src/main/java/com/xiaoleilu/loServer/action/admin/CreateRobotAction.java
+++ b/broker/src/main/java/com/xiaoleilu/loServer/action/admin/CreateRobotAction.java
@@ -45,10 +45,6 @@ public class CreateRobotAction extends AdminAction {
             if (inputCreateRobot != null
                 && !StringUtil.isNullOrEmpty(inputCreateRobot.getName())) {
 
-                if(StringUtil.isNullOrEmpty(inputCreateRobot.getPassword())) {
-                    inputCreateRobot.setPassword(UUIDGenerator.getUUID());
-                }
-
                 if(StringUtil.isNullOrEmpty(inputCreateRobot.getUserId())) {
                     inputCreateRobot.setUserId(messagesStore.getShortUUID());
                 }
@@ -58,10 +54,8 @@ public class CreateRobotAction extends AdminAction {
                 }
 
                 WFCMessage.User newUser = inputCreateRobot.toUser();
-
-
                 try {
-                    messagesStore.addUserInfo(newUser, inputCreateRobot.getPassword());
+                    messagesStore.addUserInfo(newUser);
                 } catch (Exception e) {
                     e.printStackTrace();
                     Utility.printExecption(LOG, e, IMExceptionEvent.EventType.ADMIN_API_Exception);
diff --git a/broker/src/main/java/com/xiaoleilu/loServer/action/admin/CreateUserAction.java b/broker/src/main/java/com/xiaoleilu/loServer/action/admin/CreateUserAction.java
index 39b1b51c..1c6ee234 100755
--- a/broker/src/main/java/com/xiaoleilu/loServer/action/admin/CreateUserAction.java
+++ b/broker/src/main/java/com/xiaoleilu/loServer/action/admin/CreateUserAction.java
@@ -47,10 +47,6 @@ public class CreateUserAction extends AdminAction {
                 && !StringUtil.isNullOrEmpty(inputCreateUser.getName())
                 && (inputCreateUser.getType() == ProtoConstants.UserType.UserType_Normal || inputCreateUser.getType() == ProtoConstants.UserType.UserType_Admin || inputCreateUser.getType() == ProtoConstants.UserType.UserType_Super_Admin)) {
 
-                if(StringUtil.isNullOrEmpty(inputCreateUser.getPassword())) {
-                    inputCreateUser.setPassword(UUIDGenerator.getUUID());
-                }
-
                 if(StringUtil.isNullOrEmpty(inputCreateUser.getUserId())) {
                     inputCreateUser.setUserId(messagesStore.getShortUUID());
                 }
@@ -85,7 +81,7 @@ public class CreateUserAction extends AdminAction {
 
 
                 try {
-                    messagesStore.addUserInfo(newUserBuilder.build(), inputCreateUser.getPassword());
+                    messagesStore.addUserInfo(newUserBuilder.build());
                 } catch (Exception e) {
                     e.printStackTrace();
                     Utility.printExecption(LOG, e, IMExceptionEvent.EventType.ADMIN_API_Exception);
diff --git a/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java b/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java
index bddf37ee..483f895a 100755
--- a/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java
+++ b/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java
@@ -2893,7 +2893,7 @@ public class MemoryMessagesStore implements IMessagesStore {
     }
 
     @Override
-    public void addUserInfo(WFCMessage.User user, String password) throws Exception {
+    public void addUserInfo(WFCMessage.User user) throws Exception {
         HazelcastInstance hzInstance = m_Server.getHazelcastInstance();
         IMap<String, WFCMessage.User> mUserMap = hzInstance.getMap(USERS);
         if (databaseStore.isUidAndNameConflict(user.getUid(), user.getName())) {
@@ -2901,7 +2901,6 @@ public class MemoryMessagesStore implements IMessagesStore {
         }
         databaseStore.updateUser(user);
         mUserMap.put(user.getUid(), user);
-        databaseStore.updateUserPassword(user.getUid(), password);
 
         callbackUserInfoEvent(user);
     }
diff --git a/broker/src/main/java/io/moquette/spi/IMessagesStore.java b/broker/src/main/java/io/moquette/spi/IMessagesStore.java
index 8c846060..0f0c4960 100755
--- a/broker/src/main/java/io/moquette/spi/IMessagesStore.java
+++ b/broker/src/main/java/io/moquette/spi/IMessagesStore.java
@@ -147,7 +147,7 @@ public interface IMessagesStore {
     List<InputOutputUserBlockStatus> getUserStatusList();
 
     ErrorCode updateUserInfo(InputOutputUserInfo userInfo, int flag);
-    void addUserInfo(WFCMessage.User user, String password) throws Exception;
+    void addUserInfo(WFCMessage.User user) throws Exception;
     void destroyUser(String userId);
     void updateUserInfo(WFCMessage.User user) throws Exception;
     WFCMessage.User getUserInfo(String userId);