diff --git a/readme.md b/readme.md
index 16c824e3..7637b005 100755
--- a/readme.md
+++ b/readme.md
@@ -1,2 +1,3 @@
 详见：https://gitee.com/openharmony/docs/blob/master/readme/驱动子系统README.md
+
 see: https://gitee.com/openharmony/docs/blob/master/docs-en/readme/driver-subsystem.md