diff --git a/README-zh.md b/README-zh.md
index 73cb81f..e9b9f6f 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -10,7 +10,7 @@
 
 另见：[OpenVPN](https://github.com/hwdsl2/openvpn-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: Build Your Own VPN Server: A Step by Step Guide](https://mybook.to/vpnguide)**
+**[» :book: Book: Build Your Own VPN Server: A Step by Step Guide](https://books2read.com/vpnguide)**
 
 ## 功能特性
 
diff --git a/README.md b/README.md
index 18bebdf..a728371 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: [OpenVPN](https://github.com/hwdsl2/openvpn-install) and [IPsec VPN](https://github.com/hwdsl2/setup-ipsec-vpn) server auto setup scripts.
 
-**[» :book: Book: Build Your Own VPN Server: A Step by Step Guide](https://mybook.to/vpnguide)**
+**[» :book: Book: Build Your Own VPN Server: A Step by Step Guide](https://books2read.com/vpnguide)**
 
 ## Features
 
diff --git a/docs/clients-zh.md b/docs/clients-zh.md
index a606a93..f0e3017 100644
--- a/docs/clients-zh.md
+++ b/docs/clients-zh.md
@@ -4,8 +4,8 @@
 
 [WireGuard VPN 客户端](https://www.wireguard.com/install/) 在 Windows, macOS, iOS 和 Android 上可用。
 
-要添加 VPN 连接，请在你的移动设备上打开 WireGuard 应用程序，单击 "添加" 按钮，然后扫描脚本输出中生成的二维码。
+要添加 VPN 连接，请在你的移动设备上打开 WireGuard 应用程序，单击 "添加" 按钮，然后扫描脚本输出中生成的二维码。对于 Windows 和 macOS，首先将生成的 `.conf` 文件安全地传送到你的计算机，然后打开 WireGuard 并导入文件。
 
-对于 Windows 和 macOS，首先将生成的 `.conf` 文件安全地传送到你的计算机，然后打开 WireGuard 并导入文件。
+要管理 WireGuard VPN 客户端，请再次运行安装脚本：`sudo bash wireguard.sh`。
 
-要管理 WireGuard VPN 用户，请再次运行安装脚本：`sudo bash wireguard.sh`
+配置和管理 WireGuard VPN 客户端的分步说明请参见 [:book: Book: 搭建自己的 IPsec VPN, OpenVPN 和 WireGuard 服务器](https://books2read.com/vpnzh)。
diff --git a/docs/clients.md b/docs/clients.md
index a372eed..7198754 100644
--- a/docs/clients.md
+++ b/docs/clients.md
@@ -4,8 +4,8 @@
 
 [WireGuard VPN clients](https://www.wireguard.com/install/) are available for Windows, macOS, iOS and Android.
 
-To add a VPN connection, open the WireGuard App on your mobile device, tap the "Add" button, then scan the generated QR code in the script output.
+To add a VPN connection, open the WireGuard App on your mobile device, tap the "Add" button, then scan the generated QR code in the script output. For Windows and macOS, first securely transfer the generated `.conf` file to your computer, then open WireGuard and import the file.
 
-For Windows and macOS, first securely transfer the generated `.conf` file to your computer, then open WireGuard and import the file.
+To manage WireGuard VPN clients, run the install script again: `sudo bash wireguard.sh`.
 
-To manage WireGuard VPN users, run the install script again: `sudo bash wireguard.sh`
+Step-by-step instructions to configure and manage WireGuard VPN clients can be found in [:book: Book: Set Up Your Own IPsec VPN, OpenVPN and WireGuard Server](https://books2read.com/vpn).