improve gradio display and theme

app.py

@@ -150,7 +150,13 @@ def cleanup_old_files():
 with gr.Blocks(theme=gr.themes.Base()) as demo:
     with gr.Row():
         gr.Markdown(title)
-    
+    with gr.Row():
+        with gr.Column(scale=1):
+            gr.Markdown(description)
+        with gr.Column(scale=1):
+            with gr.Group():
+                gr.Markdown(modelinfor)
+                gr.Markdown(joinus)
     with gr.Row():
         with gr.Column(scale=1):
             with gr.Group():