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%97985211%E5%A4%A7%E5%AD%A6%E6%9C%89%E5%93%AA%E5%87%A0%E6%89%80 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
河南985211大学有哪几所
