Update app.py

app.py

@@ -12,12 +12,12 @@ def update_language(value):
         return [gr.update(visible=False), gr.update(visible=True)]
             
 with gr.Blocks() as demo:
-    with gr.Box() as zh:
+    with gr.Box(visible=False) as zh:
         gr.Markdown(CN_md)
-    with gr.Box() as eng:
+    with gr.Box(visible=False) as eng:
         gr.Markdown(md)
     
-    dt = gr.Textbox(label="Current time")
+    dt = gr.Textbox(label="Current time", visible=False)
     dt.change(update_language, inputs=dt, outputs=[eng, zh])
     
     demo.load(None, inputs=None, outputs=dt, _js="() => navigator.language")