string(251) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%AE%9D%E9%A9%ACx6%E6%98%AF%E4%BB%80%E4%B9%88%E4%BB%B7%E4%BD%8D%E7%9A%84%E8%BD%A6 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
宝马x6是什么价位的车
