string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8B%BC%E5%9B%A2%E4%B9%8B%E5%90%8E%E5%8F%AF%E4%BB%A5%E9%80%80%E6%AC%BE%E5%90%97 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
拼团之后可以退款吗
