string(344) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AD%E5%9B%BD%E5%90%8D%E9%85%92%E5%89%8D30%3A%E7%AE%80%E5%8D%95%E4%BB%8B%E7%BB%8D%E4%B8%80%E4%B8%8B%E6%8E%92%E5%90%8D%E5%89%8D30%E7%9A%84%E4%B8%AD%E5%9B%BD%E5%90%8D%E9%85%92 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
中国名酒前30:简单介绍一下排名前30的中国名酒
