版本：3.4.0-beta.1
- https://cdn.bootcdn.net/ajax/libs/plyr/3.4.0-beta.1/plyr.css
- https://cdn.bootcdn.net/ajax/libs/plyr/3.4.0-beta.1/plyr.js
- https://cdn.bootcdn.net/ajax/libs/plyr/3.4.0-beta.1/plyr.min.js
- https://cdn.bootcdn.net/ajax/libs/plyr/3.4.0-beta.1/plyr.polyfilled.js
- https://cdn.bootcdn.net/ajax/libs/plyr/3.4.0-beta.1/plyr.polyfilled.min.js
- https://cdn.bootcdn.net/ajax/libs/plyr/3.4.0-beta.1/plyr.svg