string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AD%E4%B8%93%E8%83%BD%E9%9A%8F%E4%BE%BF%E9%80%89%E5%A4%A7%E5%AD%A6%E5%90%97 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
中专能随便选大学吗
