string(283) "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%A4%B9%E6%89%B9%E9%87%8F%E5%91%BD%E5%90%8D%E4%B8%BA%E4%B8%8D%E5%90%8C%E7%9A%84%E5%91%BD%E5%90%8D => Failed to connect to 14.18.117.71 port 38093: Connection refused"
文件夹批量命名为不同的命名
