diff --git a/README.md b/README.md
index 269370c9d..263c3f537 100644
--- a/README.md
+++ b/README.md
@@ -83,6 +83,8 @@ For more details, see [quick-start.](https://nacos.io/en-us/docs/quick-start.htm
 
 You can view the full documentation from the [Nacos website](https://nacos.io/en-us/docs/what-is-nacos.html).
 
+You can also read this online eBook from the [NACOS ARCHITECTURE & PRINCIPLES](https://www.yuque.com/nacos/ebook/kbyo6n).
+
 All the latest and long-term notice can also be found here from [Github notice issue](https://github.com/alibaba/nacos/labels/notice).
 
 ## Contributing