Update app.py

app.py

@@ -118,15 +118,14 @@ try:
 
     # 在 Streamlit 中播放音频
     st.audio(audio_file_path, format="audio/mp3")
-
-    # 提供下载按钮
-    with open(audio_file_path, "rb") as audio_file:
-        st.download_button(
-            label="Download Braille Audio",
-            data=audio_file,
-            file_name="detected_braille.mp3",
-            mime="audio/mp3",
-        )
-
 except Exception as ex:
-    st.write("An error occurred while processing the audio.")
+    st.write("An error occurred while processing the audio.")
+    
+    # 提供下载按钮
+with open(audio_file_path, "rb") as audio_file:
+    st.download_button(
+        label="Download Braille Audio",
+        data=audio_file,
+        file_name="detected_braille.mp3",
+        mime="audio/mp3",
+    )