update demo

app.py

@@ -154,22 +154,19 @@ def _launch_demo(vlm_model, processor, pipe):
     with gr.Blocks(theme=gr.themes.Soft(), title="DreamOmni2", css=css) as demo:
         gr.HTML(
             """
-            <h1 style="text-align:center; font-size:48px; font-weight:bold; margin-bottom:20px;">
+            <h1 style="text-align:center; font-size:40px; font-weight:bold; margin-bottom:16px;">
                 DreamOmni2: Multimodal Image Generation and Editing
             </h1>
             """
         )
         gr.Markdown(
-            "Select a mode, upload two images, provide an instruction, and click 'Run'.",
-            elem_classes="text-center"
-        )
-        gr.Markdown(
-            "For editing tasks, due to the format settings of the training data, we need to place the image to be edited in the first position.",
+            "Upload two images, provide an instruction, and click 'Run'.",
+            "**Hint**: For editing tasks, due to the format settings of the training data, we need to place the image to be edited in the first position.",
             elem_classes="text-center"
         )
         with gr.Row():
             with gr.Column(scale=2):
-                gr.Markdown("⬆️ Upload images. Click or drag to upload.")
+                gr.Markdown("⬆️ Upload images. Click or drag to upload. Edit image on the left.")
                 
                 with gr.Row():
                     image_uploader_1 = gr.Image(