string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%AC%E4%B8%9C%E8%87%AA%E8%90%A5%E8%83%BD%E9%80%80%E6%AC%BE%E5%90%97 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
京东自营能退款吗
