Update app.py

app.py

@@ -402,7 +402,7 @@ def denoise(input_files):
     #    os.remove("audio_full.wav")
     for video_file in input_files:
         
-        ffmpeg.input(video_file.name).output("input_video" + video_file + ".wav", ac=2, ar=44100).run()
+        ffmpeg.input(video_file.name).output("input_video" + video_file.name + ".wav", ac=2, ar=44100).run()
 
     zip_sliced_files("./", "转换后的音频.zip", "input_video")