string(289) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%98%B2%E6%AD%A2wifi%E8%A2%AB%E8%B9%AD%E6%9C%80%E7%AE%80%E5%8D%95%E7%9A%84%E6%96%B9%E6%B3%95%E6%98%AF%E4%BB%80%E4%B9%88 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
防止wifi被蹭最简单的方法是什么
