Added messaged

app.py

@@ -94,7 +94,8 @@ with gr.Blocks(css=css) as demo:
     with gr.Column(elem_id="col-container"):
         gr.Markdown("""# 🏟 ChatArena️<br>
 Prompting multiple AI agents to play games in a language-driven environment. 
-**[Project Homepage](https://github.com/chatarena/chatarena)**""", elem_id="header")
+**[Project Homepage](https://github.com/chatarena/chatarena)**
+### Due to the high volume of requests, our OpenAI API Token exceeded the billing limit. We are approaching OpenAI to get the research access at the moment. We encourage users to run the demo locally following [this instruction](https://github.com/chatarena/chatarena#launch-the-demo-locally).""", elem_id="header")
 
         with gr.Row():
             env_selector = gr.Dropdown(choices=list(ENV_REGISTRY.keys()), value=DEFAULT_ENV, interactive=True,