Update app.py

app.py

@@ -231,7 +231,7 @@ if __name__ == '__main__':
                 gr.Markdown(introduce)
             with gr.Tab("sketch"):
                 with gr.Row():
-                    gr.Markdown(<img src="https://raw.githubusercontent.com/hiroLinGoing/datasets/main/chair.png"  width="600" height="300">)
+                    gr.Markdown(manuscript_intro)
                 with gr.Row():
                     image_prompt_sketch = gr.Textbox(label="image prompt", value='', elem_id=id('image_prompt'))
                     image_n_prompt_sketch = gr.Textbox(label="negative prompt", value='',