string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B0%8F%E7%99%BD%E9%BE%99%E5%88%98%E7%90%A6%E8%AE%B2%E5%BE%97%E6%80%8E%E4%B9%88%E6%A0%B7 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
小白龙刘琦讲得怎么样
