1, video player limit. The video player will restrict the video, prohibit or restrict the fast-forward operation, which is usually to ensure that the video content is watched according to the prescribed steps when watching the fire training video, so as to achieve better learning effect.

2. Network problems. Unstable or slow network connection will cause the fire training video to be unable to fast forward smoothly. You can try to reload the video or watch it in an environment with good network conditions.