diff --git a/README-zh.md b/README-zh.md
index eed8ac0..b3a5061 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -10,7 +10,7 @@
 
 另见：[WireGuard](https://github.com/hwdsl2/wireguard-install/blob/master/README-zh.md) 和 [IPsec VPN](https://github.com/hwdsl2/setup-ipsec-vpn/blob/master/README-zh.md) 服务器一键安装脚本。
 
-**[» :book: Book: 搭建自己的 VPN 服务器分步指南](docs/vpn-book-zh.md)** [[中文](https://books2read.com/vpnguidezh) | [English](https://books2read.com/vpnguide?store=amazon) | [Español](https://books2read.com/vpnguidees?store=amazon) | [Deutsch](https://books2read.com/vpnguidede?store=amazon) | [Français](https://books2read.com/vpnguidefr?store=amazon) | [Italiano](https://books2read.com/vpnguideit?store=amazon) | [NL](https://books2read.com/vpnguidenl?store=amazon) | [PT](https://books2read.com/vpnguidept?store=amazon) | [日本語](https://books2read.com/vpnguideja?store=amazon)]
+**[» :book: Book: 搭建自己的 VPN 服务器分步指南](docs/vpn-book-zh.md)** [[中文](https://books2read.com/vpnguidezh) | [English](https://books2read.com/vpnguide?store=amazon) | [Español](https://books2read.com/vpnguidees?store=amazon) | [Deutsch](https://books2read.com/vpnguidede?store=amazon) | [Français](https://books2read.com/vpnguidefr?store=amazon) | [Italiano](https://books2read.com/vpnguideit?store=amazon) | [日本語](https://books2read.com/vpnguideja?store=amazon)]
 
 ## 功能特性
 
diff --git a/README.md b/README.md
index e3f3803..3746bc1 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ This script will let you set up your own VPN server in just a few minutes, even
 
 See also: [WireGuard](https://github.com/hwdsl2/wireguard-install) and [IPsec VPN](https://github.com/hwdsl2/setup-ipsec-vpn) server auto setup scripts.
 
-**[» :book: Book: Build Your Own VPN Server](docs/vpn-book.md)** [[English](https://books2read.com/vpnguide?store=amazon) | [中文](https://books2read.com/vpnguidezh) | [Español](https://books2read.com/vpnguidees?store=amazon) | [Deutsch](https://books2read.com/vpnguidede?store=amazon) | [Français](https://books2read.com/vpnguidefr?store=amazon) | [Italiano](https://books2read.com/vpnguideit?store=amazon) | [NL](https://books2read.com/vpnguidenl?store=amazon) | [PT](https://books2read.com/vpnguidept?store=amazon) | [日本語](https://books2read.com/vpnguideja?store=amazon)]
+**[» :book: Book: Build Your Own VPN Server](docs/vpn-book.md)** [[English](https://books2read.com/vpnguide?store=amazon) | [中文](https://books2read.com/vpnguidezh) | [Español](https://books2read.com/vpnguidees?store=amazon) | [Deutsch](https://books2read.com/vpnguidede?store=amazon) | [Français](https://books2read.com/vpnguidefr?store=amazon) | [Italiano](https://books2read.com/vpnguideit?store=amazon) | [日本語](https://books2read.com/vpnguideja?store=amazon)]
 
 ## Features
 
diff --git a/docs/vpn-book-zh.md b/docs/vpn-book-zh.md
index 761654e..6414358 100644
--- a/docs/vpn-book-zh.md
+++ b/docs/vpn-book-zh.md
@@ -2,11 +2,11 @@
 
 # 搭建自己的 VPN 服务器分步指南
 
-本书是搭建你自己的 IPsec VPN, OpenVPN 和 WireGuard 服务器的分步指南。在 Amazon、Google Play 和 Apple Books 上提供电子书、有声读物和平装本格式。
+本书是搭建你自己的 IPsec VPN, OpenVPN 和 WireGuard 服务器的分步指南。在 [Amazon](https://amazon.com/author/linsong)、[Google Play](https://play.google.com/store/books/details?id=GMrDEAAAQBAJ) 和 [Apple Books](http://books.apple.com/us/book/id6449994515) 上提供电子书、有声读物和平装本格式。
 
-本书有以下语言版本：[简体中文](https://books2read.com/vpnguidezh), [繁體中文](https://books2read.com/vpnguidezht), [English](https://books2read.com/vpnguide?store=amazon), [Español](https://books2read.com/vpnguidees?store=amazon), [Deutsch](https://books2read.com/vpnguidede?store=amazon), [Français](https://books2read.com/vpnguidefr?store=amazon), [Italiano](https://books2read.com/vpnguideit?store=amazon), [Nederlands](https://books2read.com/vpnguidenl?store=amazon), [Português](https://books2read.com/vpnguidept?store=amazon), [日本語](https://books2read.com/vpnguideja?store=amazon).
+本书有以下语言版本：[简体中文](https://books2read.com/vpnguidezh), [繁體中文](https://books2read.com/vpnguidezht), [English](https://books2read.com/vpnguide?store=amazon), [Español](https://books2read.com/vpnguidees?store=amazon), [Deutsch](https://books2read.com/vpnguidede?store=amazon), [Français](https://books2read.com/vpnguidefr?store=amazon), [Italiano](https://books2read.com/vpnguideit?store=amazon), [Nederlands](https://books2read.com/vpnguidenl?store=amazon), [Português](https://books2read.com/vpnguidept?store=amazon), [日本語](https://books2read.com/vpnguideja?store=amazon)。
 
-你还可以在同一系列书籍中找到有关搭建 VPN 服务器的综合/完整指南。有以下语言版本：[简体中文](https://books2read.com/vpnzh), [繁體中文](https://books2read.com/vpnzht), [English](https://books2read.com/vpn?store=amazon), [Español](https://books2read.com/vpnes?store=amazon), [Deutsch](https://books2read.com/vpnde?store=amazon), [Français](https://books2read.com/vpnfr?store=amazon), [Italiano](https://books2read.com/vpnit?store=amazon), [日本語](https://books2read.com/vpnja?store=amazon).
+你还可以在同一系列书籍中找到有关搭建 VPN 服务器的综合/完整指南。有以下语言版本：[简体中文](https://books2read.com/vpnzh), [繁體中文](https://books2read.com/vpnzht), [English](https://books2read.com/vpn?store=amazon), [Español](https://books2read.com/vpnes?store=amazon), [Deutsch](https://books2read.com/vpnde?store=amazon), [Français](https://books2read.com/vpnfr?store=amazon), [Italiano](https://books2read.com/vpnit?store=amazon), [日本語](https://books2read.com/vpnja?store=amazon)。
 
 作者页面：https://amazon.com/author/linsong
 
diff --git a/docs/vpn-book.md b/docs/vpn-book.md
index 550b264..c71ac01 100644
--- a/docs/vpn-book.md
+++ b/docs/vpn-book.md
@@ -2,7 +2,7 @@
 
 # Build Your Own VPN Server: A Step by Step Guide
 
-This book is a step-by-step guide to building your own IPsec VPN, OpenVPN and WireGuard server. Available on Amazon, Google Play and Apple Books in eBook, audiobook and paperback formats.
+This book is a step-by-step guide to building your own IPsec VPN, OpenVPN and WireGuard server. Available on [Amazon](https://amazon.com/author/linsong), [Google Play](https://play.google.com/store/books/details?id=Rae_EAAAQBAJ) and [Apple Books](http://books.apple.com/us/book/id6449340753) in eBook, audiobook and paperback formats.
 
 This book is available in: [English](https://books2read.com/vpnguide?store=amazon), [简体中文](https://books2read.com/vpnguidezh), [繁體中文](https://books2read.com/vpnguidezht), [Español](https://books2read.com/vpnguidees?store=amazon), [Deutsch](https://books2read.com/vpnguidede?store=amazon), [Français](https://books2read.com/vpnguidefr?store=amazon), [Italiano](https://books2read.com/vpnguideit?store=amazon), [Nederlands](https://books2read.com/vpnguidenl?store=amazon), [Português](https://books2read.com/vpnguidept?store=amazon), [日本語](https://books2read.com/vpnguideja?store=amazon).