diff --git a/fe/fe-core/src/main/java/org/apache/doris/mysql/privilege/UserManager.java b/fe/fe-core/src/main/java/org/apache/doris/mysql/privilege/UserManager.java
index 6d6570a4ab..e1c0faa167 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/mysql/privilege/UserManager.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/mysql/privilege/UserManager.java
@@ -327,6 +327,7 @@ public class UserManager implements Writable, GsonPostProcessable {
             String user = entry.getKey();
             newNameToUsers.put(ClusterNamespace.getNameFromFullName(user), entry.getValue());
         }
+        this.nameToUsers = newNameToUsers;
     }
 
     @Override