string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B9%B0%E5%88%B0%E7%83%82%E5%B0%BE%E6%A5%BC%E5%8F%AF%E4%BB%A5%E9%80%80%E6%AC%BE%E5%90%97 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
买到烂尾楼可以退款吗
