diff --git a/src/volces/image.ts b/src/volces/image.ts
index 58d802c..99dbc3c 100644
--- a/src/volces/image.ts
+++ b/src/volces/image.ts
@@ -49,7 +49,7 @@ export class VolcesImage {
 }
 
 export type VolcesImageRequest = {
-  model: string;
+  model?: VolcesImageModel;
   prompt: string;
   image?: string[]; // 输入图片数组
   sequential_image_generation?: 'auto' | 'manual';
@@ -64,13 +64,21 @@ export type VolcesImageRequest = {
 };
 
 export type VolcesImageResponse = {
-  id: string;
-  object: string;
+  model: string;
   created: number;
-  urls?: string[]; // 当 response_format 为 url
-  images?: string[]; // 当 response_format 为 base64
-  status: string;
-  message?: string;
+  data: Array<{
+    url: string;
+    size: string;
+  }>;
+  usage: {
+    generated_images: number;
+    output_tokens: number;
+    total_tokens: number;
+  };
+  error?: {
+    code?: string;
+    message: string;
+  }
   [key: string]: any;
 };