/// <summary>
        /// 批量删除推送信息
        /// </summary>
        /// <param name="vguidList"></param>
        /// <returns></returns>
        public JsonResult DeletePushList(string[] vguidList)
        {
            var models = new ActionResultModel <string> {
                isSuccess = false
            };

            models.isSuccess   = _dl.DeletePushMsg(vguidList);
            models.respnseInfo = models.isSuccess ? "1" : "0";
            return(Json(models, JsonRequestBehavior.AllowGet));
        }