string(290) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%A4%E5%8F%B0linux%E6%9C%8D%E5%8A%A1%E5%99%A8%E6%80%8E%E4%B9%88%E4%BA%92%E4%BC%A0%E6%96%87%E4%BB%B6%E6%95%B0%E6%8D%AE => Failed to connect to 101.89.143.195 port 38175: Connection refused"
两台linux服务器怎么互传文件数据
