string(258) "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%E7%A7%B0%E5%A6%82%E4%BD%95%E6%89%B9%E9%87%8F%E4%BF%AE%E6%94%B9 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
文件名称如何批量修改
