下载界面增加开始按钮，登陆注册bug修改

Assets/Scripts/Apis/JsonResult.cs

@@ -1,4 +1,5 @@
-using System;
+using Newtonsoft.Json.Linq;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -11,6 +12,7 @@ namespace Assets.Scripts.Apis
         public bool result { get; set; }
         //public dynamic data { get; set; }
         public string errMsg { get; set; }
+        public JArray errFieldMsg { get; set; }
     }
 
     public class JsonResult<T> : JsonResult