Update app.py

app.py

@@ -98,7 +98,7 @@ with gr.Blocks() as demo:
                      'Sheldon', 'Raj', 'Penny',
                      '韦小宝', '乔峰', '神里绫华',
                      '雷电将军', '于谦'], label="characters", value='凉宫春日')
-    role.change(get_image, ai_role, [role_image, user_role, user_text, chatbot])
+    ai_role.change(get_image, ai_role, [role_image, user_role, user_text, chatbot])
     user_text.submit(fn=get_response, inputs=[user_role, user_text, ai_role, chatbot], outputs=[chatbot, user_text])
     submit.click(fn=get_response, inputs=[user_role, user_text, ai_role, chatbot], outputs=[chatbot, user_text])
     clean.click(clear, [user_role, user_text, chatbot], [user_role, user_text, chatbot])