Update app.py

app.py

@@ -33,7 +33,8 @@ def encode_image_to_gallery_dict(image_path):
     if not image_path or not isinstance(image_path, str):
         return None
     try:
-        return handle_file(image_path)
+        file_data = handle_file(image_path)
+        return {"image": file_data, "caption": ""}
     except Exception as e:
         print(f"无法读取图片: {image_path}: {e}")
         return None