string(301) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%A7%9F%E7%94%A8%E9%98%BF%E9%87%8C%E4%BA%91%E6%9C%8D%E5%8A%A1%E5%99%A8%E9%9C%80%E8%A6%81%E4%BB%80%E4%B9%88%E8%B5%84%E6%96%99%E5%91%A2 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
租用阿里云服务器需要什么资料呢
