update app.py

app.py

@@ -78,7 +78,7 @@ with gr.Blocks(css=css) as chat_demo:
         <a href="https://help.xverse.cn/docs/api-reference">API</a>\
         </center>"""
     )
-    chatbot = gr.Chatbot(elem_id="chatbot", height=600, bubble_full_width=False, likeable=False)
+    chatbot = gr.Chatbot(elem_id="chatbot", height=550, bubble_full_width=False, likeable=False)
     state = gr.State([])
 
     with gr.Row():