string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%BD%AF%E4%BB%B6%E5%B7%A5%E7%A8%8B%E4%B8%93%E4%B8%9A%E7%9A%84%E5%A4%A7%E5%AD%A6%E6%9C%89%E5%93%AA%E4%BA%9B => Failed to connect to 61.171.74.35 port 38027: Connection refused"
软件工程专业的大学有哪些
