Update app.py

app.py

@@ -102,14 +102,13 @@ try:
             str_left_to_right += convert_to_braille_unicode(model.names[int(each_class)])
         result += str_left_to_right + "\n"
         st.write(str_left_to_right)
-        
 except Exception as ex:
-    st.write("An error occurred while processing the audio.")
+    st.write("Please try again with images with types of JPG, JPEG, PNG ...")
 
 def text_to_speech_gtts(text, lang='en', filename="output.mp3"):
     """将文本转换为语音并保存音频文件"""
     tts = gTTS(text=text, lang=lang)
-    audio_path = "./output_audio"
+    audio_path = "./output_audio/output.mp3"
     tts.save(audio_path)
     return audio_path