string(239) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E6%A0%B7%E5%86%99%E5%87%BA%E7%BD%91%E7%BB%9C%E7%88%86%E6%96%87 => Failed to connect to 101.91.112.32 port 38221: Connection refused"
怎样写出网络爆文
