{"data":{"url":"/uploads/projects/f732c8384be4fe55c55a04ab69a6dfee/ebook.pdf?sign=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJQYXRoIjoidXBsb2Fkcy9wcm9qZWN0cy9mNzMyYzgzODRiZTRmZTU1YzU1YTA0YWI2OWE2ZGZlZS9lYm9vay5wZGYiLCJVbml4TmFubyI6MTc3NjkwMjIyNTMxNjAyODkwMCwiZXhwIjoxNzc2OTIwMjI1fQ.3vxjRZYZn02gUjXCQHAPLACoBjhCfKxITNHq7CxNmSM\u0026attachment=MATLAB_Simulink%E4%B8%8E%E8%BF%87%E7%A8%8B%E6%8E%A7%E5%88%B6%E7%B3%BB%E7%BB%9F.pdf"},"errcode":0,"message":"获取电子书下载链接成功"}