string(249) "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%E7%9C%9F%E7%9A%84%E8%83%BD%E8%B5%9A%E9%92%B1%E5%90%97 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
开网吧真的能赚钱吗
