string(250) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BE%80%E5%B9%B4mpa%E5%9B%BD%E5%AE%B6%E5%88%86%E6%95%B0%E7%BA%BF%E6%8E%92%E5%90%8D => Failed to connect to 14.18.117.71 port 38069: Connection refused"
往年mpa国家分数线排名
