diff --git a/src/index.ts b/src/index.ts
index 410d97a..ea66772 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -39,6 +39,10 @@ interface AppConfig {
   imageApiKey?: string;
   imageBaseUrl?: string;
   imageModel?: string;
+  imageSize?: string;
+  imageQuality?: string;
+  imageStyle?: string;
+  imageN?: number;
   autoConfirm?: boolean;
   feishuWebhook?: string;
   feishuKeyword?: string;
diff --git a/src/tools/image.ts b/src/tools/image.ts
index ed89c82..a31e2b1 100644
--- a/src/tools/image.ts
+++ b/src/tools/image.ts
@@ -90,13 +90,14 @@ const handler = async (args: any, config: any): Promise<string> => {
     prompt,
     image_path,
     mask_path,
-    n = 1,
-    size = "1024x1024",
-    quality = "standard",
-    style = "vivid",
     output_dir = "."
   } = args;
 
+  const n = args.n || config.imageN || 1;
+  const size = args.size || config.imageSize || "1024x1024";
+  const quality = args.quality || config.imageQuality || "standard";
+  const style = args.style || config.imageStyle || "vivid";
+
   let mode = args.mode;
   let model = args.model || config.imageModel || "dall-e-3";