Output video quality is poor.

[mingzhe11]

Workflow:
Load the workflow from examples/basic-lucy-edit-dev.json

Input：

painter_original_edit.mp4

video_gen_30hDKXrpBJpYqbvm96gP1764296142922.mp4

video_gen_0Jmhl3QJK5cdgEkyQoDK1764290484800.mp4

Output：

ComfyUI_00013_.mp4

ComfyUI_00014_.mp4

ComfyUI_00010_.mp4

What is the reason for this? What can be done to improve the situation? Thanks a lot.