string(239) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%BB%E8%AE%A1%E7%A5%A8%E4%BA%BA%E7%9A%84%E8%81%8C%E8%B4%A3%E5%92%8C%E7%A8%8B%E5%BA%8F => Received HTTP code 403 from proxy after CONNECT"
总计票人的职责和程序
