diff --git a/ruoyi-modules/ruoyi-system/src/main/java/com/ruoyi/system/controller/SysProfileController.java b/ruoyi-modules/ruoyi-system/src/main/java/com/ruoyi/system/controller/SysProfileController.java
index 0e04f7991..4b747ab2a 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/com/ruoyi/system/controller/SysProfileController.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/com/ruoyi/system/controller/SysProfileController.java
@@ -64,6 +64,9 @@ public class SysProfileController extends BaseController
     @PutMapping
     public AjaxResult updateProfile(@RequestBody SysUser user)
     {
+        LoginUser loginUser = SecurityUtils.getLoginUser();
+        SysUser sysUser = loginUser.getSysUser();
+        user.setUserName(sysUser.getUserName());
         if (StringUtils.isNotEmpty(user.getPhonenumber())
                 && UserConstants.NOT_UNIQUE.equals(userService.checkPhoneUnique(user)))
         {
@@ -74,8 +77,6 @@ public class SysProfileController extends BaseController
         {
             return AjaxResult.error("修改用户'" + user.getUserName() + "'失败，邮箱账号已存在");
         }
-        LoginUser loginUser = SecurityUtils.getLoginUser();
-        SysUser sysUser = loginUser.getSysUser();
         user.setUserId(sysUser.getUserId());
         user.setPassword(null);
         if (userService.updateUserProfile(user) > 0)