diff --git a/docs/tutorial-basics/rk3229.md b/docs/tutorial-basics/rk3229.md
index 1cec888..8aafd96 100644
--- a/docs/tutorial-basics/rk3229.md
+++ b/docs/tutorial-basics/rk3229.md
@@ -128,7 +128,7 @@ CPU Rockchip RK3229
 
 ![pic](pic/rk3229/3229-8.png)   
 
-
+短接住，再插入usb，电脑刷机主程序就会出现“发现一个maskrom设备”