string(268) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BB%8E%E4%B8%80%E5%8F%B0linux%E4%BC%A0%E6%96%87%E4%BB%B6%E5%88%B0%E5%8F%A6%E4%B8%80%E5%8F%B0linux => Failed to connect to 101.89.143.195 port 38109: Connection refused"
从一台linux传文件到另一台linux
