cloud 无法访问

无法取得数据中心，截图见附件！
在 System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress)
在 System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket& socket, IPAddress& address, ConnectSocketState state, IAsyncResult asyncResult, Exception& exception)
位于 Kingdee.BOS.ServiceFacade.KDServiceClient.KDServiceClient.<>c__DisplayClass1`1.b__0(AsyncResult`1 asyncResult)
位于 Kingdee.BOS.ServiceFacade.KDServiceClient.KDServiceClient.<>c__DisplayClass4`1.b__3(String content, Boolean isSuccess)
位于 Kingdee.BOS.ServiceFacade.KDServiceClient.KDServiceClient.<>c__DisplayClass7.b__6(AsyncResult`1 result)
位于 Kingdee.BOS.ServiceFacade.KDServiceClient.KDWebRequest.GetResponseCallback(IAsyncResult result)
位于 System.Net.Browser.ClientHttpWebRequest.<>c__DisplayClass1a.b__18(Object state2)
位于 System.Threading.QueueUserWorkItemCallback.WaitCallback_Context(Object state)
位于 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
位于 System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
位于 System.Threading.ThreadPoolWorkQueue.Dispatch()
位于 System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()