diff --git a/src/utils/editImage.ts b/src/utils/editImage.ts
index 2de8f6d..175bc0e 100644
--- a/src/utils/editImage.ts
+++ b/src/utils/editImage.ts
@@ -86,7 +86,7 @@ export default async (images: Record<string, string>, directive: string, project
       systemPrompt: "根据用户提供的具体修改指令，对上传的图片进行智能编辑。",
       prompt: prompt,
       imageBase64: base64Images,
-      aspectRatio: aspectRatio!,
+      aspectRatio: aspectRatio ? aspectRatio : "16:9",
       size: "1K",
     },
     apiConfig,