Update app.py

app.py

@@ -61,6 +61,10 @@ async def upload_file(LLM_URL, LLM_API, file_path, user_id):
     if not os.path.exists(file_path):
         return f"Error: File {file_path} not found"
     mime_type, _ = mimetypes.guess_type(file_path)
+    
+    # ✅ 加這一行 debug
+    print("Uploading file:", filename, "mime_type:", mime_type)
+    
     with open(file_path, 'rb') as f:
         async with aiohttp.ClientSession() as session:
             form_data = aiohttp.FormData()