To use stepfun's library, you need an official api that supports multimodal inputs such as video and pictures [a/https://platform.stepfun.com/request-restriction](https://platform.stepfun.com/request-restriction)
https://github.com/chenbaiyujason/ComfyUI_StepFun
git clone https://github.com/chenbaiyujason/ComfyUI_StepFun
comfy node install ComfyUI_StepFun