A very powerful product background replacement workflow, suitable for various scenarios. As long as the prompt description is accurate, you can basically achieve the desired effect. After changing the background, I added Fill to repair the edges (automatically recognizing the product edges without the need for manual smearing).
My original workflow liblib address: https://www.liblib.art/modelinfo/fe6d8d4eeb7647d98a0795091571d247?from=personal_page&versionUuid=d5fbda0ceaba419384b211261e0e9d99