diff --git a/video-gen-api/app/schemas/credit_ratio.py b/video-gen-api/app/schemas/credit_ratio.py
index e9defa29..7d80c336 100644
--- a/video-gen-api/app/schemas/credit_ratio.py
+++ b/video-gen-api/app/schemas/credit_ratio.py
@@ -61,6 +61,24 @@ class CreditRatioCreate(BaseModel):
         description="传入视频每秒积分。视频生成时，用户上传参考视频每秒消耗的积分",
         examples=[0.5],
     )
+    input_image_ratio: float = Field(
+        default=1.0,
+        ge=0,
+        description="传入图片积分倍率。图片生成时，用户上传参考图片的额外积分倍率",
+        examples=[1.0],
+    )
+    input_image_base_credits: float = Field(
+        default=0.0,
+        ge=0,
+        description="传入图片基础积分。图片生成时，用户上传参考图片的基础积分",
+        examples=[0.0],
+    )
+    input_image_per_image_credits: float = Field(
+        default=0.5,
+        ge=0,
+        description="传入图片每张积分。图片生成时，用户上传参考图片每张消耗的积分",
+        examples=[0.5],
+    )
 
 
 class CreditRatioOut(CreditRatioCreate):