diff --git a/docs/tutorial-basics/rk3229.md b/docs/tutorial-basics/rk3229.md
index 8aafd96..c62e712 100644
--- a/docs/tutorial-basics/rk3229.md
+++ b/docs/tutorial-basics/rk3229.md
@@ -43,7 +43,7 @@ CPU Rockchip RK3229
 
 瑞芯微-海纳思专用刷机工具下载地址 (312M) :  
 
-[RKDevTool_3229_for_hinas.zip](https://www.ecoo.top/update/soft_init/rk3229-cmmc/RKDevTool_3229_for_hinas.zip)  
+[RKDevTool_3229_for_hinas.zip](https://www.ecoo.top/update/soft_init/rk3229-cmcc/RKDevTool_3229_for_hinas.zip)  
 
 下载后请解压。