string(265) "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%E9%98%B2%E6%AD%A2%E6%97%A0%E7%BA%BF%E7%BD%91%E8%A2%AB%E7%9B%97%E4%BF%A1%E6%81%AF => Failed to connect to 14.18.117.71 port 38069: Connection refused"
怎么防止无线网被盗信息
