Enable hotkeys for HTML5 playback: video screenshot; enable/disable picture-in-picture; copy cached video; send any video to full screen or browser window size; fast forward, rewind, pause/play, volume, skip to next video, skip to previous or next frame, set playback speed. Video sites supported: YouTube, TED, Youku, QQ.com, bilibili, ixigua, iQiyi, support mainstream video sites in mainland China; Live broadcasts: Twitch, Douyu.com, YY.com, Huya.com. Custom sites can be added
1、请问怎么去执行这个修改：chromium内核缓存调整参数
2、缓存视频键为M，快捷键菜单还没有提示。缓存视频的位置放在哪？ 缓存成功或者失败我没有接收到提示。