string(276) "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%E6%98%AF%E4%B8%8D%E6%98%AF%E7%A8%B3%E8%B5%9A%E4%B8%8D%E8%B5%94%E7%9A%84%E5%91%A2 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
开网吧是不是稳赚不赔的呢
