Update app.py

app.py

@@ -91,7 +91,11 @@ def reset_user_input():
 
 def reset_state():
     history = gr.State(init_history)
-    return '', '', []
+    return '', '', [], gr.Dropdown.update(value=None, interactive=False)
+
+
+def allow_user_input():
+    return gr.Dropdown.update(interactive=True)
 
 
 with gr.Blocks() as demo:
@@ -107,7 +111,7 @@ with gr.Blocks() as demo:
             emptyBtn = gr.Button("Clear History")
 
     five_sample = gr.Textbox(show_label=False, placeholder="五個範例")
-    expand = gr.Dropdown(["1", "2", "3", "4", "5"], label="Step2：進一步擴展的範例")
+    expand = gr.Dropdown(["1", "2", "3", "4", "5"], label="Step2：進一步擴展的範例", interactive=False)
     final_sample = gr.Textbox(show_label=False, placeholder="大綱")
 
     history = gr.State(init_history)
@@ -119,14 +123,15 @@ with gr.Blocks() as demo:
     )
     submitBtn.click(reset_user_input, [], [user_input])
     submitBtn.click(reset_user_input, [], [final_sample])
-
+    submitBtn.click(allow_user_input, [], [expand])
+    
     expand.select(
         fn=predict,
         inputs=[expand, max_length, top_p, temperature, history],
-        outputs=final_sample)
+        outputs=[final_sample, history])
 
     emptyBtn.click(reset_state,
-                   outputs=[five_sample, final_sample, history],
+                   outputs=[five_sample, final_sample, history, expand],
                    show_progress=True)
 
 demo.queue().launch(share=False, inbrowser=True)