string(248) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E5%AE%89%E6%8A%80%E6%9C%AF%E5%93%AA%E4%BD%8D%E8%80%81%E5%B8%88%E8%AE%B2%E7%9A%84%E5%A5%BD => Received HTTP code 403 from proxy after CONNECT"
注安技术哪位老师讲的好
