string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%BB%E8%AE%A1%E7%A5%A8%E5%91%98%E5%BA%94%E8%AF%A5%E5%81%9A%E4%BB%80%E4%B9%88 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
总计票员应该做什么
