diff --git a/Yi.Abp.Net8/module/rbac/Yi.Framework.Rbac.Application/Services/System/UserService.cs b/Yi.Abp.Net8/module/rbac/Yi.Framework.Rbac.Application/Services/System/UserService.cs
index 70597f3b..3a386b97 100644
--- a/Yi.Abp.Net8/module/rbac/Yi.Framework.Rbac.Application/Services/System/UserService.cs
+++ b/Yi.Abp.Net8/module/rbac/Yi.Framework.Rbac.Application/Services/System/UserService.cs
@@ -145,11 +145,15 @@ namespace Yi.Framework.Rbac.Application.Services.System
         /// <returns></returns>
         [OperLog("更新用户", OperEnum.Update)]
         [Permission("system:user:edit")]
-        public async override Task<UserGetOutputDto> UpdateAsync(Guid id, UserUpdateInputVo input)
+        public override async Task<UserGetOutputDto> UpdateAsync(Guid id, UserUpdateInputVo input)
         {
-            if (input.UserName == UserConst.Admin || input.UserName == UserConst.TenantAdmin)
+            //不是超管，不能更新成超管
+            if (!UserConst.Admin.Equals(CurrentUser.UserName))
             {
-                throw new UserFriendlyException(UserConst.Name_Not_Allowed);
+                if (input.UserName == UserConst.Admin || input.UserName == UserConst.TenantAdmin)
+                {
+                    throw new UserFriendlyException(UserConst.Name_Not_Allowed);
+                }
             }
 
             if (await _repository.IsAnyAsync(u => input.UserName!.Equals(u.UserName) && !id.Equals(u.Id)))