diff --git a/README.md b/README.md
index 6fcc01e..edb27ea 100644
--- a/README.md
+++ b/README.md
@@ -186,8 +186,11 @@ You can customize various parameters including:
 - `text_threshold`: text threshold for groundingdino model
 Note: This method supports only the mask type of text prompt.
 
+The demo video is:
+[![car tracking demo data](./assets/tracking_car_1.jpg)](./assets/tracking_car.mp4)
+
+
 After running our demo code, you can get the tracking results as follows:
-[![car tracking demo data](./assets/tracking_video_1.jpg)](./assets/tracking_video.mp4)
 [![car tracking result data](./assets/tracking_car_mask_1.jpg)](./assets/tracking_car_output.mp4)