{"data":{"url":"/uploads/projects/269479ef881ffaf8ed52e668d72a3591/ebook.pdf?sign=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJQYXRoIjoidXBsb2Fkcy9wcm9qZWN0cy8yNjk0NzllZjg4MWZmYWY4ZWQ1MmU2NjhkNzJhMzU5MS9lYm9vay5wZGYiLCJVbml4TmFubyI6MTc3Njk3MDQzNTY4MjYwMDUwMCwiZXhwIjoxNzc2OTg4NDM1fQ.10vsaRvR_BS_VgF-U4mL-WeQe59iNAxEPkf3sIkGGnk\u0026attachment=%E7%B2%BE%E9%80%9ASpring+Boot+2.0.pdf"},"errcode":0,"message":"获取电子书下载链接成功"}