string(230) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%9C%8B%E5%8F%8B%E7%BD%91%E8%83%BD%E6%89%BE%E5%88%B0%E5%90%8C%E5%AD%A6%E5%90%97 => Received HTTP code 403 from proxy after CONNECT"
朋友网能找到同学吗
