fix app

app.py

@@ -255,22 +255,22 @@ with gr.Blocks(css=css) as demo:
                     output_size = gr.Dropdown(["576x1024"], value="576x1024", label="Output Size (around 1800s for 576x1024)")
                     # output_size = gr.Dropdown(["576x1024", "256x256"], value="576x1024", label="Output Size", info="576x1024 is watermark-free")
                 with gr.Row():
-                    num_frames = gr.Slider(label='Frames',
+                    num_frames = gr.Slider(label='Frames (a multiple of 4)',
                              minimum=16,
                              maximum=32,
                              step=4,
                              value=32)
                     ddim_steps = gr.Slider(label='DDIM Steps',
-                             minimum=1,
-                             maximum=1000,
+                             minimum=5,
+                             maximum=200,
                              step=1,
                              value=50)
                 with gr.Row():
                     unconditional_guidance_scale = gr.Slider(label='Unconditional Guidance Scale',
-                             minimum=0,
-                             maximum=50,
-                             step=1,
-                             value=12)
+                             minimum=1.0,
+                             maximum=20.0,
+                             step=0.1,
+                             value=12.0)
                     save_fps = gr.Slider(label='Save FPS',
                              minimum=1,
                              maximum=30,