string(249) "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%E7%9C%81%E6%9C%89%E5%87%A0%E6%89%80985%2C211%E5%A4%A7%E5%AD%A6 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
河南省有几所985,211大学
