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%90%8D%E6%80%8E%E4%B9%88%E6%8C%89%E8%87%AA%E5%B7%B1%E7%9A%84%E8%A6%81%E6%B1%82%E6%8E%92%E5%BA%8F => Failed to connect to 14.18.117.71 port 38041: Connection refused"
文件名怎么按自己的要求排序
