string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BB%BF%E5%B9%BD%E7%81%B5%E4%B8%8D%E8%83%BD%E4%B9%B1%E6%88%B4 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
绿幽灵不能乱戴
