diff --git a/demo/mask_detection/python/README.md b/demo/mask_detection/python/README.md
index ce55670ffadb28e174fd41684502159ea2e125e9..6fc5e782e43ac20be10615735f1c05a52ef62ad9 100644
--- a/demo/mask_detection/python/README.md
+++ b/demo/mask_detection/python/README.md
@@ -56,6 +56,7 @@ python infer.py --models_dir=/path/to/models --img_paths=/path/to/images --video
 | video_size |No|预测视频分辨率大小(w,h) |
 | use_camera |No|是否打开摄像头进行预测 |
 | use_gpu |No|是否GPU，默认为False|
+
 说明：
 如果use_gpu=True，请先在命令行指定GPU,如：