fix: test bg loading

app.py

@@ -101,6 +101,9 @@ with gr.Blocks(theme=seafoam, css=get_content("css/style.css")) as demo:
             "http://id.junyiacademy.org/d6317d299321450191dd5da599a48b3d", visible=False
         )
         player_info_query_btn = gr.Button("Query")
+        image = gr.Image(
+            "medias/background.png",
+        )
 
     # actions when player login
     player_info_query_btn.click(get_player_info, player_backend_id, player_info).then(