string(280) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=inux%E5%91%BD%E4%BB%A4%E4%BB%8E%E4%B8%80%E4%B8%AA%E6%9C%8D%E5%8A%A1%E5%99%A8%E7%A7%BB%E5%8A%A8%E6%96%87%E4%BB%B6 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
inux命令从一个服务器移动文件
