版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/ng-fittext/4.2.3/ng-FitText.js
- https://cdn.bootcdn.net/ajax/libs/ng-fittext/4.2.3/ng-FitText.min.js
- https://cdn.bootcdn.net/ajax/libs/ng-fittext/4.2.3/ng-FitText.min.js.map