diff --git a/scripts/PrismAudio/demo.sh b/scripts/PrismAudio/demo.sh
index 96b6580..f0bbd87 100644
--- a/scripts/PrismAudio/demo.sh
+++ b/scripts/PrismAudio/demo.sh
@@ -91,7 +91,7 @@ fi
 
 # Clean up temporary video file
 rm -f "$TEMP_VIDEO_PATH"
-
+rm -f "results/demo.npz"
 
 echo "✅ Audio generated successfully!"
-echo "Audio file path: $AUDIO_PATH"
\ No newline at end of file
+echo "Audio file path: $AUDIO_PATH"