string(294) "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%E5%90%8D%E6%89%B9%E9%87%8F%E6%9B%B4%E6%94%B9%E5%B9%B4%E4%BB%BD%E6%80%8E%E4%B9%88%E6%93%8D%E4%BD%9C%E7%9A%84 => Failed to connect to 101.89.117.144 port 38056: Connection refused"
文件名批量更改年份怎么操作的
