string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%81%9A%E7%BD%91%E9%A1%B5%E7%9A%84%E6%B5%81%E7%A8%8B%E4%B8%8E%E6%AD%A5%E9%AA%A4 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
做网页的流程与步骤
