Ural挂了吗？
昨天晚上8点多的时候Judge status就有一片的Waiting。现在除了首页，好像都是如下的信息：

Sorry, error occured during processing of this page.
System.Runtime.Remoting.RemotingException:
An error occurred while processing the request on the server: System.Runtime.Remoting.RemotingException: Server is busy. Try request again later.
Try again later. If problem persists, write a message to support.
Prolem Set