diff --git a/docs/en/hat/hat-roverc.md b/docs/en/hat/hat-roverc.md
index 3a12de76..eba06286 100644
--- a/docs/en/hat/hat-roverc.md
+++ b/docs/en/hat/hat-roverc.md
@@ -87,7 +87,10 @@ MotorControl：
 
 ### 1. Arduino
 
-*To get Arduino example, please click [here](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Hat/RoverC).*
+*Use with JoyC HAT, please click [here](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Hat/RoverC).*
+
+*Use alone [here](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Application/RoverC_Arduino_Alone
+).*
 
 ## Video
 
diff --git a/docs/zh_CN/hat/hat-roverc.md b/docs/zh_CN/hat/hat-roverc.md
index f8b2cf2f..7edc1a21 100644
--- a/docs/zh_CN/hat/hat-roverc.md
+++ b/docs/zh_CN/hat/hat-roverc.md
@@ -82,7 +82,9 @@
 
 ### 1. Arduino 例程
 
-[点击此处](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Hat/RoverC)，获取完整程序.
+配合JoyC HAT使用 [点击此处](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Hat/RoverC)，获取完整程序.
+
+单独使用 [点击此处](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Application/RoverC_Arduino_Alone)，获取完整程序.
 
 ## 相关视频