string(262) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A6%82%E6%9E%9C%E9%98%B2%E6%AD%A2wifi%E8%A2%AB%E8%B9%AD%E7%BD%91%E6%80%8E%E4%B9%88%E5%8A%9E => Failed to connect to 101.89.117.144 port 38022: Connection refused"
如果防止wifi被蹭网怎么办
