Update app.py

app.py

@@ -85,11 +85,16 @@ def handle_message():
 
                 # Build message content for Qwen
                 user_content = []
+                
+                # Add text content if it exists
                 if text_content:
                     user_content.append({"type": "text", "text": text_content})
+                
+                # Add image CDN URLs
                 for cdn_url in image_cdn_urls:
                     user_content.append({"type": "image", "image": cdn_url})
 
+                # Send user_content to Qwen if it's not empty
                 if user_content:
                     ai_response = get_qwen_response(user_content)