Update app.py

app.py

@@ -6,17 +6,19 @@ md = "test"
 CN_md = "测试"
 
 def update_language(value):
-    global language
-    language = value
-    
+    if value == "zh-CN":
+        return [gr.update(visible=False), gr.update(visible=True)]
+    else:
+        return [gr.update(visible=False), gr.update(visible=True)]
+            
 with gr.Blocks() as demo:
-    if (language == "zh-CN"):
+    with row() as zh:
         gr.markdown(CN_md)
-    else:
+    with row() as eng:
         gr.markdown(md)
     
     dt = gr.Textbox(label="Current time")
-    dt.change(update_language)
+    dt.change(update_language, input=dt, output=[eng, zh])
     
     demo.load(None, inputs=None, outputs=dt, _js="() => navigator.language")