string(255) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BC%80%E7%BD%91%E5%90%A7%E5%88%B0%E5%BA%95%E8%B5%9A%E4%B8%8D%E8%B5%9A%E9%92%B1%E5%91%A2 => Failed to connect to 14.18.46.51 port 38044: Connection refused"
开网吧到底赚不赚钱呢
