string(194) "get document error:https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E9%80%A0%E5%A6%82%E4%BD%95%E5%AD%A6 => Received HTTP code 403 from proxy after CONNECT"
一造如何学网!