为什么在题库中的AtCoder提交时显示:
提交失败
Server error: POST http://judge-gateway.ilb.luogu.org.cn:1919/submit resulted in a 500 Internal Server Error response: TaskError: LapinError: invalid channel state: Closed
POST http://judge-gateway.ilb.luogu.org.cn:1919/submit
500 Internal Server Error
是什么原因啊?