diff --git a/src/plugins/built_in/maizone_refactored/services/qzone_service.py b/src/plugins/built_in/maizone_refactored/services/qzone_service.py
index 2c7dddaec..abb5f97e6 100644
--- a/src/plugins/built_in/maizone_refactored/services/qzone_service.py
+++ b/src/plugins/built_in/maizone_refactored/services/qzone_service.py
@@ -346,8 +346,8 @@ class QZoneService:
     def _load_local_images(self, image_dir: str) -> List[bytes]:
         """随机加载本地图片（不删除文件）"""
         images = []
-        if not os.path.exists(image_dir):
-            logger.warning(f"图片目录不存在: {image_dir}")
+        if not image_dir or not os.path.exists(image_dir):
+            logger.warning(f"图片目录不存在或未配置: {image_dir}")
             return images
 
         try: