diff --git a/video-gen-admin/src/pages/AdminGenerationRecords.tsx b/video-gen-admin/src/pages/AdminGenerationRecords.tsx
index 8ee58e06..1606548d 100644
--- a/video-gen-admin/src/pages/AdminGenerationRecords.tsx
+++ b/video-gen-admin/src/pages/AdminGenerationRecords.tsx
@@ -213,14 +213,14 @@ const AdminGenerationRecords: React.FC = () => {
           )}
           {r.status === 'failed' && (
             <Button size="small" type="primary" danger loading={updating === r.id}
-              onClick={() => setGenModal({ record: r, ratio: r.aspectRatio || '16:9', resolution: r.resolution || '720p', image_size: r.imageSize })}>
+              onClick={() => setGenModal({ record: r, ratio: r.aspectRatio || '16:9', resolution: r.resolution || '720p', image_size: r.imageSize || '2K' })}>
               重试生成
             </Button>
           )}
           {r.status === 'prompt_optimized' && (
             <>
               <Button size="small" type="primary" loading={updating === r.id}
-                onClick={() => setGenModal({ record: r, ratio: '16:9', resolution: '720p', image_size: r.imageSize })}
+                onClick={() => setGenModal({ record: r, ratio: '16:9', resolution: '720p', image_size: r.imageSize || '2K' })}
                 style={{ background: '#6366f1', border: 'none' }}>
                 生成{r.genType === 'video'? "视频" : "图片"}
               </Button>