代理服务器无法使用，默认代理服务器也无法访问

[marswow]

代理服务器提示
504 Gateway Time-out

502 Bad Gateway

日志

<!-- 复制来的日志，粘贴在这里 -->
```log: [解除B站区域限制 v6.7.2 (Violentmonkey)] run on: https://www.bilibili.com/bangumi/play/ss21680#183803
debug: XMLHttpRequest的描述符: {"writable":true,"enumerable":false,"configurable":true}
log: mode: default blocked_vip:  server: https://www.biliplus.com flv_prefer_ws:  remove_pre_ad:  readyState: loading isLogin: false isLoginBiliBili: true
log: /x/web-interface/nav {"uname":"魔·界","isLogin":true,"level":4,"vipType":2,"vipStatus":1}
log: /season/user/status: {"code":0,"message":"success","result":{"area_limit":1,"ban_area_show":1,"follow":1,"paster":{"aid":0,"allow_jump":0,"cid":0,"duration":0,"type":0,"url":""},"pay":0,"pay_pack_paid":0,"sponsor":0,"watch_progress":{"last_ep_id":183802,"last_ep_index":"4","last_time":-1}}}
log: setAreaLimitSeason ss21680 true
log: player msg: 从代理服务器拉取视频地址中...
debug: ajax: https://www.biliplus.com/BPplayurl.php?cid=31692630|bangumi&appkey=84956560bc028eb7&otype=json&type=&quality=112&module=bangumi&season_type=1&qn=112&sign=881f98189ed9c2a8b5f72ce1d2e5044d
debug: userAgent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36
log: player msg: {"readyState":0,"responseText":"","status":0,"statusText":"error"}
log: player msg: 尝试换用B站接口拉取视频地址(清晰度低)...
debug: ajax: https://interface.bilibili.com/playurl?cid=31692630&player=1&qn=112&quality=112&ts=1518308677&sign=c91d2b76aa27f22b2872f62b20b6b41b
log: player msg: 服务器错误: {"code":"-5009","message":"video is hidden"}
log: balh_server  =>  https://biliplus.ipcjs.win

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[ipcjs]

#129