string(292) "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%8C%89%E7%85%A7%E5%BA%8F%E5%88%97%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 14.18.117.71 port 38041: Connection refused"
文件名按照序列重命名怎么操作
