string(287) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=inux%E4%B8%A4%E5%8F%B0%E4%B8%BB%E6%9C%BA%E4%B9%8B%E9%97%B4%E6%8B%B7%E8%B4%9D%E6%96%87%E4%BB%B6%E7%9A%84%E5%91%BD%E4%BB%A4 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
inux两台主机之间拷贝文件的命令
