{
  "model": "doubao-seedream-5-0-pro-260628",
  "prompt": "保留红色主体、轮廓、RED-02标签和数量，只改浅灰背景，不添加配件。",
  "size": "1024x1024",
  "output_format": "png",
  "response_format": "b64_json",
  "n": 1
}