{"data":{"url":"/uploads/projects/c7e723748c7de92d00895f58294bb834/ebook.pdf?sign=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJQYXRoIjoidXBsb2Fkcy9wcm9qZWN0cy9jN2U3MjM3NDhjN2RlOTJkMDA4OTVmNTgyOTRiYjgzNC9lYm9vay5wZGYiLCJVbml4TmFubyI6MTc3NzI5OTMzNTM4MzU0MzYwMCwiZXhwIjoxNzc3MzE3MzM1fQ.rHOQMVMqZVUGcbw7HZqCBwXCzaxhkmwOyR8AN2AanUI\u0026attachment=MATLAB%E6%95%B0%E5%AD%A6%E5%BB%BA%E6%A8%A1%E7%BB%8F%E5%85%B8%E6%A1%88%E4%BE%8B%E5%AE%9E%E6%88%98.pdf"},"errcode":0,"message":"获取电子书下载链接成功"}