feat: time out check

app.py

@@ -848,8 +848,8 @@ def run_graio_demo(args):
                     )
                 gr.Markdown("""
                 **Generation Modes:**
-                - **Fast Mode (up to 220s GPU budget)**: Fixed 8 denoising steps for quick generation. **⚠️ Maximum video duration: 6 seconds. Videos longer than 6 seconds will timeout.**
-                - **Quality Mode (up to 720s GPU budget)**: Custom denoising steps (adjustable via "Diffusion steps" slider, default: 25 steps). **⚠️ Maximum video duration: 8 seconds with default 25 denoising steps.**
+                - **Fast Mode (up to 220s GPU budget)**: Fixed 8 denoising steps for quick generation. 
+                - **Quality Mode (up to 720s GPU budget)**: Custom denoising steps (adjustable via "Diffusion steps" slider, default: 25 steps). 
                 
                 *Note: The GPU duration (220s/720s) represents the maximum budget allocated, not the actual generation time. Multi-person videos generally require longer duration and more Usage Quota for better quality.*
                 """)