string(244) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E4%B9%88%E8%83%BD%E9%98%B2%E6%AD%A2wifi%E8%A2%AB%E8%B9%AD%E7%BD%91 => Failed to connect to 125.88.227.171 port 38062: Connection refused"
怎么能防止wifi被蹭网
