Update readme

README.md

@@ -32,7 +32,7 @@
 ### 在线阅读
 **[🌐 点击这里开始在线阅读](https://datawhalechina.github.io/hello-agents/)** - 无需下载，随时随地学习
 
-**[📖 Cookbook](https://book.heterocat.com.cn/)**
+**[📖 Cookbook(测试版)](https://book.heterocat.com.cn/)**
 
 ### 本地阅读
 如果您希望在本地阅读或贡献内容，请参考下方的学习指南。

README_EN.md

@@ -32,7 +32,7 @@
 ### Online Reading
 **[🌐 Click here to start reading online](https://datawhalechina.github.io/hello-agents/)** - No download required, learn anytime, anywhere
 
-**[📖 Cookbook (Beta)](https://book.heterocat.com.cn/)**
+**[📖 Cookbook](https://book.heterocat.com.cn/)**
 
 ### Local Reading
 If you wish to read locally or contribute content, please refer to the learning guide below.
@@ -165,6 +165,13 @@ We are an open-source community and welcome any form of contribution!
   <p>⭐ If this project helps you, please give us a Star!</p>
 </div>
 
+## Reader Community Group
+
+<div align='center'>
+	<img src="https://raw.githubusercontent.com/datawhalechina/Hello-Agents/main/读者群二维码.png" alt="阅读群额码" width="30%">
+	<p>Scan the QR code to join the reader community group and discuss with more learners</p>
+</div>
+
 ## About Datawhale
 
 <div align='center'>

docs/README.md

@@ -31,7 +31,7 @@
 
 **[🌐 点击这里开始在线阅读](https://datawhalechina.github.io/hello-agents/)**
 
-**[📖 Cookbook(测试版)](https://book.heterocat.com.cn/)**
+**[📖 Cookbook](https://book.heterocat.com.cn/)**
 
 ### ✨ 你将收获什么？
 
@@ -162,6 +162,13 @@
   <p>⭐ 如果这个项目对你有帮助，请给我们一个 Star！</p>
 </div>
 
+## 读者交流群
+
+<div align='center'>
+    <img src="./读者群二维码.png" alt="读者群二维码" width="30%">
+    <p>扫描二维码加入读者交流群，与更多学习者交流讨论</p>
+</div>
+
 ## 关于 Datawhale
 
 <div align='center'>

docs/README_EN.md

@@ -27,7 +27,7 @@
 
 **[🌐 Click here to start online reading](https://datawhalechina.github.io/hello-agents/)**
 
-**[📖 Cookbook (Beta)](https://book.heterocat.com.cn/)**
+**[📖 Cookbook](https://book.heterocat.com.cn/)**
 
 ### ✨ What Will You Gain?
 
@@ -157,6 +157,13 @@ We are an open-source community and welcome any form of contribution!
   <p>⭐ If this project helps you, please give us a Star!</p>
 </div>
 
+## Reader Community Group
+
+<div align='center'>
+	<img src="https://raw.githubusercontent.com/datawhalechina/Hello-Agents/main/读者群二维码.png" alt="阅读群额码" width="30%">
+	<p>Scan the QR code to join the reader community group and discuss with more learners</p>
+</div>
+
 ## About Datawhale
 
 <div align='center'>