diff --git a/docs/zh_CN/unit/can.md b/docs/zh_CN/unit/can.md
index a1160719..3b04b437 100644
--- a/docs/zh_CN/unit/can.md
+++ b/docs/zh_CN/unit/can.md
@@ -1,8 +1,8 @@
# CAN Unit
-


## 相关链接
@@ -133,7 +133,7 @@
### 1. Arduino IDE
-[Click here to download Example]()
+[Click here to download Example](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Unit/CAN)