diff --git a/README-zh.md b/README-zh.md
index bea1478..e418eeb 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](https://books2read.com/vpnguidezh)** [[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)]
+**[» :book: Book: 搭建自己的 VPN 服务器分步指南](https://books2read.com/vpnguidezh)** [[中文](https://books2read.com/vpnguidezh) | [English](https://books2read.com/vpnguide?store=amazon) | [ES](https://books2read.com/vpnguidees?store=amazon) | [DE](https://books2read.com/vpnguidede?store=amazon) | [FR](https://books2read.com/vpnguidefr?store=amazon) | [IT](https://books2read.com/vpnguideit?store=amazon) | [PT](https://books2read.com/vpnguidept?store=amazon) | [JA](https://books2read.com/vpnguideja?store=amazon)]
 
 ## 功能特性
 
diff --git a/README.md b/README.md
index d95a198..231029e 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](https://books2read.com/vpnguide?store=amazon)** [[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)]
+**[» :book: Book: Build Your Own VPN Server](https://books2read.com/vpnguide?store=amazon)** [[English](https://books2read.com/vpnguide?store=amazon) | [中文](https://books2read.com/vpnguidezh) | [ES](https://books2read.com/vpnguidees?store=amazon) | [DE](https://books2read.com/vpnguidede?store=amazon) | [FR](https://books2read.com/vpnguidefr?store=amazon) | [IT](https://books2read.com/vpnguideit?store=amazon) | [PT](https://books2read.com/vpnguidept?store=amazon) | [JA](https://books2read.com/vpnguideja?store=amazon)]
 
 ## Features