string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%BD%BB%E5%B7%A5%E5%A4%A7%E5%AD%A6%E4%B8%93%E4%B8%9A%E5%8F%8A%E5%88%86%E6%95%B0 => Failed to connect to 14.116.215.7 port 38225: Connection refused"
轻工大学专业及分数
