string(289) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=inux%E4%BB%8E%E5%88%AB%E7%9A%84%E6%9C%BA%E5%99%A8%E6%8B%B7%E8%B4%9D%E6%96%87%E4%BB%B6%E5%A4%B9%E5%88%B0%E6%9C%AC%E6%9C%BA => Failed to connect to 101.89.117.144 port 38056: Connection refused"
inux从别的机器拷贝文件夹到本机
