string(239) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8A%8A%E6%96%87%E4%BB%B6%E6%8C%89%E9%A1%BA%E5%BA%8F%E5%91%BD%E5%90%8D => Failed to connect to 101.91.112.32 port 38162: Connection refused"
把文件按顺序命名
