update local demo

app.py

@@ -370,6 +370,13 @@ with demo:
                         label="Feature Visualization",
                         type="filepath"
                     )
+                    gr.HTML(
+                        """
+                        <div class="model-description">
+                           &nbsp;&nbsp;Use the left mouse button to rotate, the scroll wheel to zoom, and the right mouse button to move.
+                        </div>
+                        """
+                    )    
 
     with gr.Row(variant='panel'):
         with gr.Tab("Step 2: Readout 3DGS from features & Jointly optimize pose"):
@@ -382,13 +389,13 @@ with demo:
                         interactive=False,
                         # camera_position=[0.5, 0.5, 1],
                     )
-                    gr.Markdown(
+                    gr.HTML(
                         """
                         <div class="model-description">
-                           &nbsp;&nbsp;Use the left mouse button to rotate, the scroll wheel to zoom, and the right mouse button to move.
+                           &nbsp;&nbsp;Failed to visualize or got a GPU runtime error? <a href="https://github.com/fanegg/Feat2GS" target="_blank">Run the demo on your local computer!</a>
                         </div>
                         """
-                    )    
+                    )  
 
     with gr.Row(variant='panel'):
         with gr.Tab("Step 3: Render video with camera trajectory"):