Update app.py

app.py

@@ -48,6 +48,18 @@ def change(sentence):
     return final_result
 
 
+demo_interface = gr.Interface(
+    fn=change,
+    inputs="text",
+    outputs="text",
+    examples=os.environ['DES_EXAMPLE'],
+    description=os.environ['DES_DEMO']
+)
 
-demo = gr.Interface(fn=change, inputs="text", outputs="text", description=os.environ['DES'], examples=eval(os.environ['EXAMPLE']))
-demo.launch()
+intro_interface = gr.HTML(description=os.environ['DES_INTERFACE'])
+tabbed_interface = gr.TabbedInterface(
+    interface_list=[demo_interface, intro_interface],
+    tab_names=["Demo", "Giới thiệu"]
+)
+
+tabbed_interface.launch()