正在同步测试数据，请稍后
timeout of 30000ms exceeded
Error: timeout of 30000ms exceeded
    at createError (/root/vijos-judge/node_modules/axios/lib/core/createError.js:16:15)
    at RedirectableRequest.handleRequestTimeout (/root/vijos-judge/node_modules/axios/lib/adapters/http.js:280:16)
    at Object.onceWrapper (events.js:519:28)
    at RedirectableRequest.emit (events.js:400:28)
    at Timeout._onTimeout (/root/vijos-judge/node_modules/follow-redirects/index.js:166:13)
    at listOnTimeout (internal/timers.js:557:17)
    at processTimers (internal/timers.js:500:7)
undefined
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