反序列化后有时间差，把时区设置为当前时区就可以了
JsonSerializerSettings jsonSerializerSettings = new JsonSerializerSettings() { DateTimeZoneHandling = DateTimeZoneHandling.Local }; Object obj = JsonConvert.DeserializeObject<Object >(jsonStr, jsonSerializerSettings);
原文：https://www.cnblogs.com/andysu/p/10043250.html