string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%9C%B1%E5%A8%9F%E5%A9%B7%E8%AE%B2%E7%9A%84%E8%AF%BE%E6%80%8E%E4%B9%88%E6%A0%B7%E5%95%8A => Failed to connect to 125.88.227.171 port 38062: Connection refused"
朱娟婷讲的课怎么样啊
