string(253) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B2%B3%E5%8D%97985211%E5%A4%A7%E5%AD%A6%E5%90%8D%E5%8D%95%E6%9C%89%E5%87%A0%E4%B8%AA => Failed to connect to 14.18.117.71 port 38069: Connection refused"
河南985211大学名单有几个
