前台数据传到后台，日期类型序列化后与前台传过来的数据不一致

 JsonSerializerSettings settings = new JsonSerializerSettings()
            {
                DateTimeZoneHandling = DateTimeZoneHandling.Local
            };
            var list = Newtonsoft.Json.JsonConvert.DeserializeObject<IList<a>>(data,settings);