版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/angular-base64-upload/0.1.23/angular-base64-upload.js
- https://cdn.bootcdn.net/ajax/libs/angular-base64-upload/0.1.23/angular-base64-upload.min.js
- https://cdn.bootcdn.net/ajax/libs/angular-base64-upload/0.1.23/angular-base64-upload.min.js.map