问不能用Json.Net反序列化对象

EN

    [JsonArray]
    public class WebGame
    {    
        public  int Key { get; set; }

        public string Name { get; set; }

        public string Description { get; set; }
    }

  string json = @"[{'Key':'1','Name':'WebGame','Description':'bla-bla-bla'}]";
  var myDeserializedObjList = (List<WebGame>)(JsonConvert.DeserializeObject(json, typeof(List<WebGame>)));      
  var game = myDeserializedObjList[0];