diff --git a/app/api/api_generate_image.py b/app/api/api_generate_image.py
index 3f3646f..41cf989 100644
--- a/app/api/api_generate_image.py
+++ b/app/api/api_generate_image.py
@@ -109,12 +109,14 @@ def generate_product_image(request_item: GenerateProductImageModel, background_t
         - **tasks_id**: 任务id 用于取消生成任务和获取生成结果
         - **prompt**: 想要生成图片的描述词
         - **image_url**: 被生成图片的S3或minio url地址
+        - **image_strength**: 生成强度，越低越接近原图
 
         示例参数：
         {
           "tasks_id": "123-89",
           "prompt": "the best quality, masterpiece. detailed, high-res, simple background, studio photography, extremely detailed, updo, detailed face, face, close-up, HDR, UHD, 8K realistic, Highly detailed, simple background, Studio lighting",
-          "image_url": "aida-results/result_00097282-ebb2-11ee-a822-b48351119060.png"
+          "image_url": "aida-results/result_00097282-ebb2-11ee-a822-b48351119060.png",
+          "image_strength": 0.8
         }
     """
     try: