string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BD%A0%E5%B9%B2%E4%BB%80%E4%B9%88%E7%9A%84%E8%8B%B1%E8%AF%AD%E6%80%8E%E4%B9%88%E8%AF%B4 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
你干什么的英语怎么说
