string(185) "get document error:https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%86%E8%A7%A3%E6%98%9F%E7%A9%BA => Received HTTP code 403 from proxy after CONNECT"
了解星空网!