diff --git a/docs/sidebar.md b/docs/sidebar.md
index 88c25832..615888b8 100644
--- a/docs/sidebar.md
+++ b/docs/sidebar.md
@@ -6,6 +6,7 @@
 
 
 - **Links**
+- <a href="https://m5stack.com/"><img src="https://docs.m5stack.com/assets/img/favicon.ico" width=16px/>M5Stack</a>
 - [![Github](https://icongram.jgog.in/simple/github.svg?color=808080&size=16)Github](https://github.com/m5stack)
 - [![Twitter](https://icongram.jgog.in/simple/twitter.svg?colored&size=16)@M5Stack](http://twitter.com/M5Stack)
-- [![Facebook](https://icongram.jgog.in/simple/facebook.svg?colored&size=16)@M5Stack](https://www.facebook.com/M5Stack)
+- [![Facebook](https://icongram.jgog.in/simple/facebook.svg?colored&size=16)@M5Stack](https://www.facebook.com/M5Stack)
\ No newline at end of file
diff --git a/docs/zh_CN/sidebar.md b/docs/zh_CN/sidebar.md
index 1845d45e..05d8d4ce 100644
--- a/docs/zh_CN/sidebar.md
+++ b/docs/zh_CN/sidebar.md
@@ -6,5 +6,7 @@
 
 
 - **Links**
+- <a href="https://m5stack.com/"><img src="https://docs.m5stack.com/assets/img/favicon.ico" width=16px/>M5Stack</a>
 - [![Github](https://icongram.jgog.in/simple/github.svg?color=808080&size=16)Github](https://github.com/m5stack)
 - [![Twitter](https://icongram.jgog.in/simple/twitter.svg?colored&size=16)@M5Stack](http://twitter.com/M5Stack)
+- [![Facebook](https://icongram.jgog.in/simple/facebook.svg?colored&size=16)@M5Stack](https://www.facebook.com/M5Stack)
\ No newline at end of file