string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%85%92%E5%BA%97%E6%89%93%E5%8D%B0%E6%9C%BA%E6%80%8E%E4%B9%88%E6%89%93%E5%8D%B0 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
酒店打印机怎么打印
