diff --git a/README-zh_CN.md b/README-zh_CN.md
index 44d1bec..4cd2b06 100644
--- a/README-zh_CN.md
+++ b/README-zh_CN.md
@@ -10,18 +10,22 @@
 
 [中文](https://github.com/gibbok/typescript-book/blob/main/README-zh_CN.md)
 
-## 下载
+## 下载和网站
 
-您还可以在这里下载 Epub 版本：
+您还可以下载 Epub 版本：
 
 [https://github.com/gibbok/typescript-book/tree/main/downloads](https://github.com/gibbok/typescript-book/tree/main/downloads)
 
+在线版本可在以下位置获得：
+
+[https://gibbok.github.io/typescript-book](https://gibbok.github.io/typescript-book)
+
 ## 目录表
 
 <!-- markdownlint-disable MD004 -->
 - [简洁的TypeScript之书](#简洁的typescript之书)
   - [翻译](#翻译)
-  - [下载](#下载)
+  - [下载和网站](#下载和网站)
   - [目录表](#目录表)
   - [介绍](#介绍)
   - [关于作者](#关于作者)
diff --git a/README.md b/README.md
index a84f89b..00798e7 100644
--- a/README.md
+++ b/README.md
@@ -14,18 +14,22 @@ This book has been translated into several language versions, including:
 
 [Chinese](https://github.com/gibbok/typescript-book/blob/main/README-zh_CN.md)
 
-## Downloads
+## Downloads and website
 
-You can also download the Epub version here:
+You can also download the Epub version:
 
 [https://github.com/gibbok/typescript-book/tree/main/downloads](https://github.com/gibbok/typescript-book/tree/main/downloads)
 
+An online version is available at:
+
+[https://gibbok.github.io/typescript-book](https://gibbok.github.io/typescript-book)
+
 ## Table of Contents
 
 <!-- markdownlint-disable MD004 -->
 - [The Concise TypeScript Book](#the-concise-typescript-book)
   - [Translations](#translations)
-  - [Downloads](#downloads)
+  - [Downloads and website](#downloads-and-website)
   - [Table of Contents](#table-of-contents)
   - [Introduction](#introduction)
   - [About the Author](#about-the-author)
diff --git a/downloads/typescript-book-zh_CN.epub b/downloads/typescript-book-zh_CN.epub
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