Update app.py

app.py

@@ -225,7 +225,7 @@ with gr.Blocks(css=css) as demo:
                         gr.Markdown("Step 1: 请在下方选取视频(Select videos below)", elem_id="hint")
                         examples = gr.Examples(
                             examples=[
-                                ["./BV11H4y1F7uH-P58.mp4"],
+                                ["./BV11H4y1F7uH-P50.mp4"],
                             ],
                             inputs=[video_inp],
                         )