版本：9.0.1
- https://cdn.bootcdn.net/ajax/libs/choices.js/9.0.1/base.css
- https://cdn.bootcdn.net/ajax/libs/choices.js/9.0.1/base.min.css
- https://cdn.bootcdn.net/ajax/libs/choices.js/9.0.1/choices.css
- https://cdn.bootcdn.net/ajax/libs/choices.js/9.0.1/choices.js
- https://cdn.bootcdn.net/ajax/libs/choices.js/9.0.1/choices.min.css
- https://cdn.bootcdn.net/ajax/libs/choices.js/9.0.1/choices.min.js