版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/backbone.wreqr/1.4.0/backbone.wreqr.js
- https://cdn.bootcdn.net/ajax/libs/backbone.wreqr/1.4.0/backbone.wreqr.map
- https://cdn.bootcdn.net/ajax/libs/backbone.wreqr/1.4.0/backbone.wreqr.min.js
- https://cdn.bootcdn.net/ajax/libs/backbone.wreqr/1.4.0/backbone.wreqr.min.js.map