帮忙看下哪里有问题呢

# -*- coding: utf-8 -*-
import clr

#添加对cloud插件开发的常用组件的引用
clr.AddReference('System')
clr.AddReference('System.Data')
clr.AddReference('Kingdee.BOS')
clr.AddReference('Kingdee.BOS.Core')
clr.AddReference('Kingdee.BOS.App')
clr.AddReference('Kingdee.BOS.ServiceHelper')
clr.AddReference('Newtonsoft.Json')
#导入cloud基础库中的常用实体对象（分命名空间导入，不会递归导入）
from Kingdee.BOS import *
from Kingdee.BOS.Core import *
from Kingdee.BOS.Core.Bill import *
from Kingdee.BOS.Core.DynamicForm.PlugIn import *
from Kingdee.BOS.Core.DynamicForm.PlugIn.ControlModel import *
from System import *
from System.Data import *
from System.Net import *
from System.Text import *
from System.IO import *
#from System.String import *
from Kingdee.BOS.App.Data import *
from System.Collections.Generic import List
from Kingdee.BOS.ServiceHelper import *
from Newtonsoft.Json.Linq import *

def AfterBarItemClick(e):
    key=e.BarItemKey.ToUpperInvariant();
    if(key<>"XBNR_jsttbbutton".ToUpperInvariant()):
        return;
    user = this.Context.UserName;
    login_url="http://218.92.63.238:7888/k3cloud/Kingdee.BOS.WebApi.ServicesStub.AuthService.ValidateUser.common.kdsvc"
    postdata ={ "acctid":"656f-----","username":"李小兵","password":"wt12-----","lcid":2052}
    webRequest = HttpWebRequest.Create(login_url);
    webRequest.Method = "POST";
    webRequest.ContentType = "application/x-www-form-urlencoded";
    data=Encoding.ASCII.GetBytes(postdata.ToString());
    webRequest.ContentLength = data.Length;
    webRequest.GetRequestStream().Write(data, 0, data.Length);
    webRequest.GetRequestStream().Flush();
    webRequest.GetRequestStream().Close();
    webResponse  =webRequest.GetResponse();
    streamReader =StreamReader( webResponse .GetResponseStream(),Encoding.GetEncoding("utf-8") );
    result=streamReader.ReadToEnd();
    msg=("[{0}]点击完成！").format(result);
    this.View.ShowMessage(msg);

产品问题python表单插件调用webapi接口提示找不到数据中心

产品问题 python表单插件调用webapi接口提示找不到数据中心

恭喜您！

产品问题
python表单插件调用webapi接口提示找不到数据中心