string(232) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B2%B3%E5%8D%97%E6%9C%89%E5%87%A0%E6%89%80985%E9%AB%98%E6%A0%A1 => Failed to connect to 14.116.215.7 port 38225: Connection refused"
河南有几所985高校
