string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%80%80%E6%88%BF%E9%80%80%E6%AC%BE%E6%88%90%E5%8A%9F%E7%9A%84%E6%9C%80%E5%A5%BD%E6%96%B9%E6%B3%95 => Failed to connect to 101.89.117.144 port 38076: Connection refused"
退房退款成功的最好方法
