string(270) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B1%B1%E4%B8%9C400%E5%88%86%E8%83%BD%E4%B8%8A%E4%BB%80%E4%B9%88%E6%A0%B7%E7%9A%84%E5%A4%A7%E4%B8%93 => Failed to connect to 101.89.117.144 port 38056: Connection refused"
山东400分能上什么样的大专
