string(244) "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%E9%97%B4985%E5%92%8C211%E5%A4%A7%E5%AD%A6 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
河南有几间985和211大学
