Image to Video
Video content\\n The main subject's expression begins to change slowly. As their mood relaxes, their brow gradually unknits, and the corners of their mouth start to lift. Then their smile widens, and their eyes become brighter, as if they see something interesting. Finally, they burst into laughter, their mouth opens wide, showing white teeth, with exaggerated movements.\\n# Requirements\\n1.Determine the number of subjects, their gender, and shot size based on the user-uploaded image. Each subject should go through the same expression changes.\\n2Set Motion Level to: Middle.\\n3. Use my video content as the primary element; ensure the background description is consistent and reasonable without repeating it.\\n4. Keep the camera fixed without moving; the expression changes should be natural
