{"data":{"url":"/uploads/projects/48b0f948188e90dc5a68aa86c9024d9d/ebook.pdf?sign=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJQYXRoIjoidXBsb2Fkcy9wcm9qZWN0cy80OGIwZjk0ODE4OGU5MGRjNWE2OGFhODZjOTAyNGQ5ZC9lYm9vay5wZGYiLCJVbml4TmFubyI6MTc3NzA0MDYxNzEyOTQ4MzEwMCwiZXhwIjoxNzc3MDU4NjE3fQ.exmzB84StZcxMuDUt96ctRhrParY9vyOiqtZ19lUzCY\u0026attachment=CATIA_V5R21%E6%A8%A1%E5%85%B7%E8%AE%BE%E8%AE%A1%E5%AE%9E%E4%BE%8B%E7%B2%BE%E8%A7%A3.pdf"},"errcode":0,"message":"获取电子书下载链接成功"}