string(253) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=wifi%E9%98%B2%E6%AD%A2%E8%B9%AD%E7%BD%91%E6%80%8E%E4%B9%88%E8%AE%BE%E7%BD%AE%E7%9A%84 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
wifi防止蹭网怎么设置的
