UVAOJ远程提交现在貌似会报错：
Client error: `POST http://vjudge.luogu.org/v1/token/vjudge_submit` resulted in a `400 BAD REQUEST` response: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <title>400 Bad Request</title> <h1>Bad Request</h1> <p>The brows (truncated...)
