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--- a/docs/tutorial-basics/rk3566.md
+++ b/docs/tutorial-basics/rk3566.md
@@ -58,7 +58,26 @@ CPU Rockchip RK3566
 
 ### 1. 打开刷机工具主程序
 
-### 2. 双公头 USB 一端接电脑，按住 reset 键后，另一端插入盒子  
+![pic](pic/oect/tools.jpg)  
+
+### 2. 拆开盒子，短接住，插数据线，3秒放开短接
+
+**底部向上推一下打开盖板**  
+![pic](pic/oect/oect-3.jpg)  
+
+**有一个SATA硬盘位、一个Type-C接口，使用螺丝刀拧下4颗螺丝**  
+![pic](pic/oect/oect-4.jpg)  
+
+**向上推一下外壳、然后取下侧面外壳，拆卸SATA接口，用螺丝刀拧下三颗螺丝，把SATA接口翻转过来，撕下保护排线的黑胶带，SATA排线很薄比较脆弱不能硬扯，取排线有技巧的，左边黑色的卡扣可以向上扣开，这样是解锁了，可以很轻松把SATA排线取出来。**  
+
+**然后用螺丝刀拧下内壳上面的8颗螺丝，使用一个卡片在左边空隙慢慢撬一下，取出内壳。**  
+
+**找到下图的短接点**  
+![pic](pic/oect/oect-5.jpg)  
+
+**短接住，数据线一头插电脑 usb 口，一头插到板子 typeC 口，3秒左右放开短接，刷机工具显示有 Maskromm 出现，即为短接成功**  
+![pic](pic/oect/oect-6.jpg)  
+
 
 ### 3. 开始刷机