update cdn address

README.md

@@ -30,9 +30,7 @@
 ## 📚 快速开始
 
 ### 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/)**
+**[🌐 国外访问](https://datawhalechina.github.io/hello-agents/)** | **[🚀 国内加速](https://hello-agents.datawhale.cc)** - 无需下载，随时随地学习
 
 ### 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

@@ -30,9 +30,7 @@
 ## 📚 Quick Start
 
 ### Online Reading
-**[🌐 Click here to start reading online](https://datawhalechina.github.io/hello-agents/)** - No download required, learn anytime, anywhere
-
-**[📖 Cookbook](https://book.heterocat.com.cn/)**
+**[🌐 International Access](https://datawhalechina.github.io/hello-agents/)** | **[🚀 Domestic Acceleration](https://hello-agents.datawhale.cc)** - No download required, learn anytime, anywhere
 
 ### Local Reading
 If you wish to read locally or contribute content, please refer to the learning guide below.

docs/README.md

@@ -29,9 +29,7 @@
 
 ## 🌐 在线阅读
 
-**[🌐 点击这里开始在线阅读](https://datawhalechina.github.io/hello-agents/)**
-
-**[📖 Cookbook](https://book.heterocat.com.cn/)**
+**[🌐 国外访问](https://datawhalechina.github.io/hello-agents/)** | **[� 国内加速](https://hello-agents.datawhale.cc)**
 
 ### ✨ 你将收获什么？
 

docs/README_EN.md

@@ -25,9 +25,7 @@
 
 ## 🌐 Online Reading
 
-**[🌐 Click here to start online reading](https://datawhalechina.github.io/hello-agents/)**
-
-**[📖 Cookbook](https://book.heterocat.com.cn/)**
+**[🌐 International Access](https://datawhalechina.github.io/hello-agents/)** | **[🚀 Domestic Acceleration](https://hello-agents.datawhale.cc)**
 
 ### ✨ What Will You Gain?