string(232) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%A7%91%E7%9B%AE%E4%BA%8Cc2%E5%80%92%E5%BA%93%E6%AD%A5%E9%AA%A4%E7%AC%94%E8%AE%B0 => Received HTTP code 403 from proxy after CONNECT"
科目二c2倒库步骤笔记
