Update app.py

app.py

@@ -444,7 +444,7 @@ adapted from the officical code repo [FramePack](https://github.com/lllyasviel/F
                 start_button = gr.Button(value="Start Generation")
                 end_button = gr.Button(value="End Generation", interactive=False)
 
-            total_second_length = gr.Slider(label="Total Video Length (Seconds)", minimum=1, maximum=25, value=2, step=0.1)
+            total_second_length = gr.Slider(label="Total Video Length (Seconds)", minimum=1, maximum=5, value=3, step=0.1)
             with gr.Group():
                 with gr.Accordion("Advanced settings", open=False):
                     use_teacache = gr.Checkbox(label='Use TeaCache', value=True, info='Faster speed, but often makes hands and fingers slightly worse.')