string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%96%87%E4%BB%B6%E4%BE%9D%E6%AC%A1%E9%87%8D%E5%91%BD%E5%90%8D%E6%80%8E%E4%B9%88%E6%93%8D%E4%BD%9C => Failed to connect to 101.89.143.195 port 38205: Connection refused"
文件依次重命名怎么操作
