debug fps data type

app.py

@@ -352,10 +352,15 @@ description = r"""
 <b>Official 🤗 Gradio demo</b> for <a href='https://github.com/Zejun-Yang/AniPortrait' target='_blank'><b>AniPortrait: Audio-Driven Synthesis of Photorealistic Portrait Animations</b></a>.<br>
 """
 
+tips = r"""
+When the video cannot be displayed, you can download the result video. 
+"""
+
 with gr.Blocks() as demo:
     
     gr.Markdown(title)
     gr.Markdown(description)
+    gr.Markdown(tips)
     
     with gr.Tab("Audio2video"):
         with gr.Row():