public static bool GetModel(string orderId, ref SAppPushMessageCacheModel model)
        {
            var tmpModel = list.Where <SAppPushMessageCacheModel>(p => p.Mobile.Equals(orderId)).FirstOrDefault <SAppPushMessageCacheModel>();

            if (tmpModel != null)
            {
                model = tmpModel;
                return(true);
            }
            else
            {
                return(false);
            }
        }
        public static void Add(SAppPushMessageCacheModel model)
        {
            var tmpModel = list.Where <SAppPushMessageCacheModel>(p => p.Mobile.Equals(model.Mobile)).FirstOrDefault <SAppPushMessageCacheModel>();

            if (tmpModel == null)
            {
                list.Add(model);
            }
            else
            {
                tmpModel.FormId = model.FormId;
                tmpModel.OpenId = model.OpenId;
            }
        }