Update app_multi.py

app_multi.py

@@ -798,7 +798,7 @@ with app:
 
                             submit = gr.Button('想把我唱给你听', elem_id="sadtalker_generate", variant='primary')
 
-                            gen_mv = gr.Button('添加歌曲伴奏吧', variant='primary')
+                            gen_mv = gr.Button('为视频添加伴奏吧', variant='primary')
 
                             music_video = gr.Video(label="视频+伴奏", format="mp4").style(width=256)