{
"model": "gpt-image-1",
"prompt": "保留主体,增强灯光层次",
"image": "data:image/png;base64,BASE64_IMAGE_DATA",
"mask": "data:image/png;base64,BASE64_MASK_DATA",
"n": 1,
"size": "1024x1024",
"quality": "standard",
"watermark": false,
"response_format": "url"
}