public async System.Threading.Tasks.Task <IActionResult> AddAliasAsync([FromBody] AddAliasRequestDto requestDto)
        {
            var biz = new AliasBiz();
            var res = await biz.InsertOrUpdateAsync(requestDto);

            return(res ? Success() : Failed(ErrorCode.DataBaseError, "网络错误,更新别名失败"));
        }
        /// <summary>
        /// 插入别名记录 ,若存在则删除再插入
        /// </summary>
        /// <param name="requestDto"></param>
        /// <returns></returns>
        public async Task <bool> InsertOrUpdateAsync(AddAliasRequestDto requestDto)
        {
            using (var conn = MySqlHelper.GetConnection())
            {
                var sql = @"INSERT INTO t_utility_alias ( alias_guid, user_guid, target_guid, alias_name, created_by, last_updated_by )
                                VALUES
	                                ( REPLACE(UUID(),'-',''), @UserGuid, @TargetGuid,@AliasName,@UserGuid,@UserGuid ) 
	                                ON DUPLICATE KEY UPDATE alias_name = @AliasName,last_updated_date=NOW();"    ;
                var res = await conn.ExecuteAsync(sql, requestDto);

                return(res > 0);
            }
        }