您正尝试将JSON反序列化为错误的类.

You are trying to deserialize your JSON into the wrong class.

更改此行:

var splashInfo = JsonConvert.DeserializeObject<Record>(result);

对此:

var splashInfo = JsonConvert.DeserializeObject<RootObject>(result);

提琴: https://dotnetfiddle.net/2xR7hO