string(277) "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%E7%9A%84%E4%BB%B7%E6%A0%BC%E6%9C%80%E5%A4%9A%E6%98%AF%E5%A4%9A%E5%B0%91%E9%92%B1%E7%9A%84 => Failed to connect to 101.91.112.32 port 38162: Connection refused"
宝马x6的价格最多是多少钱的
