1. Click the "Double Speed" button in the lower right corner of the video player, and select acceleration multiples such as "2.0x" or "5.0x".
2. Click the double arrow button in the lower right corner of the video with the mouse, and each click can fast forward 5 seconds or 10 seconds, depending on the settings of your player.
3. If you attend online or offline training, you can try to use the shortcut key "Ctrl+Home" to fast forward.
Please note that when participating in the training, you should respect the training content and the instructor's labor results, keep the normal playback speed as much as possible, and avoid abusing the fast forward function.