modify doc (#365)

docs/en_US/tutorials/lap_style.md

@@ -36,6 +36,8 @@ To train LapStyle, we use the COCO dataset as content image set. You can choose
 
 Datasets used in example is COCO, you can also change it to your own dataset in the config file.
 
+Note that train of lapstyle model does not currently support Windows system.
+
 (1) Train the Draft Network of LapStyle under 128*128 resolution:
 ```
 python -u tools/main.py --config-file configs/lapstyle_draft.yaml

docs/zh_CN/tutorials/lap_style.md

@@ -34,6 +34,8 @@ python applications/tools/lapstyle.py --content_img ${PATH_OF_CONTENT_IMG}
 
 示例以COCO数据为例。如果您想使用自己的数据集，可以在配置文件中修改数据集为您自己的数据集。
 
+注意，LapStyle模型训练暂时不支持Windows系统。
+
 (1) 首先在128*128像素下训练LapStyle的绘图网络（Drafting Network）:
 ```
 python -u tools/main.py --config-file configs/lapstyle_draft.yaml