{"data":{"url":"/uploads/projects/81be7196e9a89e8af630271e393d477f/ebook.epub?sign=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJQYXRoIjoidXBsb2Fkcy9wcm9qZWN0cy84MWJlNzE5NmU5YTg5ZThhZjYzMDI3MWUzOTNkNDc3Zi9lYm9vay5lcHViIiwiVW5peE5hbm8iOjE3ODA3NTM5OTcwODI1NzgwMDAsImV4cCI6MTc4MDc3MTk5N30.U6N5bW_Hol018indgF7bGiP4ABW7YNfYQvdvtVfBT_s\u0026attachment=TheSwiftProgrammingLanguage%E4%B8%AD%E6%96%87%E7%89%88.epub"},"errcode":0,"message":"获取电子书下载链接成功"}