update how to run the demo --mg

README.md

@@ -59,7 +59,7 @@ cd Track-Anything
 pip install -r requirements.txt
 
 # Run the Track-Anything gradio demo.
-python app.py --device cuda:0 --sam_model_type vit_h --port 12212
+python app.py --device cuda:0
 ```
 
 ## Citation