string(276) "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%E8%B4%A6%E5%8D%95%E6%89%93%E5%8D%B0%E6%9C%BA%E6%80%8E%E4%B9%88%E6%89%93%E5%8D%B0%E7%9A%84 => Failed to connect to 125.88.227.171 port 38062: Connection refused"
酒店账单打印机怎么打印的
