Update app.py

app.py

@@ -112,7 +112,7 @@ We have provided some [samples](https://huggingface.co/datasets/fudan-generative
         with gr.Column():
             avatar_face = gr.Image(type="filepath", label="Face")
             driving_audio = gr.Audio(type="filepath", label="Driving audio")
-            generate = gr.Button("Generate")
+            generate = gr.Button("合成")
         with gr.Column():
             output_video = gr.Video(label="Your talking head")