string(237) "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%E4%BD%8F%E5%AE%BF%E5%8D%95%E6%8D%AE%E5%9B%BE%E7%89%87 => Failed to connect to 14.18.46.51 port 38206: Connection refused"
酒店住宿单据图片
