自动播放并静音，自动下一节，后台播放不暂停
This script should not be not be installed directly. It is a library for other scripts to include with the meta directive // @require https://update.greasyfork.org/scripts/588921/1887495/%E4%B8%93%E6%8A%80%E5%A4%A9%E4%B8%8B%E8%87%AA%E5%8A%A8%E5%88%B7%E8%AF%BE%E8%84%9A%E6%9C%AC.js
专技天下自动刷课脚本（后台播放不暂停）
