/// <summary>
        /// 更新缓存
        /// </summary>
        /// <returns></returns>
        public ActionResult UpdateCache()
        {
            var result = new MJsonResult()
            {
                Status = true
            };

            try
            {
                // 更新缓存
                using (var client = new ConfigClient())
                {
                    var reVauel = client.RefreshCityAgingCacheAsync();
                    if (!reVauel.Success)
                    {
                        result.Status = false;
                        result.Msg    = "更新缓存失败!";
                    }
                }
            }
            catch (Exception e)
            {
                result.Status = false;
                result.Msg    = "异常:" + e.Message;
            }
            return(Json(result));
        }