diff --git a/apps/web/src/pages/generate/hooks/useCanvasPlayer.ts b/apps/web/src/pages/generate/hooks/useCanvasPlayer.ts
index 3eea8361b..681467161 100644
--- a/apps/web/src/pages/generate/hooks/useCanvasPlayer.ts
+++ b/apps/web/src/pages/generate/hooks/useCanvasPlayer.ts
@@ -352,7 +352,7 @@ export function useCanvasPlayer(
 
           // 提取所有 samples
           mp4File.setExtractionOptions(videoTrack.id ?? 1, null, {
-            nbSamples: videoTrack.nb_samples || 10000,
+            nbSamples: Infinity, // 提取所有 sample
           })
           mp4File.start()
         }