string(231) "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 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
酒店账单打印机
