Update docs

README-zh.md

@@ -10,7 +10,7 @@ IPsec VPN 可以加密你的网络流量，以防止在通过因特网传送时
 
 我们将使用 [Libreswan](https://libreswan.org/) 作为 IPsec 服务器，以及 [xl2tpd](https://github.com/xelerance/xl2tpd) 作为 L2TP 提供者。
 
-**[» :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)**
 
 ## 快速开始
 
@@ -266,7 +266,7 @@ sudo ikev2.sh
 
 **[配置 IPsec/XAuth ("Cisco IPsec") VPN 客户端](docs/clients-xauth-zh.md)**
 
-**[:book: 电子书：搭建自己的 IPsec VPN, OpenVPN 和 WireGuard 服务器](https://mybook.to/vpnzhs)**
+**[:book: Book: 搭建自己的 IPsec VPN, OpenVPN 和 WireGuard 服务器](https://books2read.com/vpnzh)**
 
 开始使用自己的专属 VPN! :sparkles::tada::rocket::sparkles:
 

README.md

@@ -10,7 +10,7 @@ An IPsec VPN encrypts your network traffic, so that nobody between you and the V
 
 We will use [Libreswan](https://libreswan.org/) as the IPsec server, and [xl2tpd](https://github.com/xelerance/xl2tpd) as the L2TP provider.
 
-**[» :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)**
 
 ## Quick start
 
@@ -266,7 +266,7 @@ Get your computer or device to use the VPN. Please refer to:
 
 **[Configure IPsec/XAuth ("Cisco IPsec") VPN Clients](docs/clients-xauth.md)**
 
-**[:book: Book: Set Up Your Own IPsec VPN, OpenVPN and WireGuard Server](https://mybook.to/vpn)**
+**[:book: Book: Set Up Your Own IPsec VPN, OpenVPN and WireGuard Server](https://books2read.com/vpn)**
 
 Enjoy your very own VPN! :sparkles::tada::rocket::sparkles:
 

docs/ikev2-howto-zh.md

@@ -149,7 +149,7 @@ Libreswan 支持通过使用 RSA 签名算法的 X.509 Machine Certificates 来
 1. 选中 **在菜单栏中显示 VPN 状态** 复选框。
 1. 单击 **连接**。
 
-（可选功能）启用 **VPN On Demand（按需连接）** 以在你的 Mac 连接到 Wi-Fi 时自动启动 VPN 连接。要启用它，选中 VPN 连接的 **按需连接** 复选框，然后单击 **应用**。你可以自定义按需连接规则，以排除某些 Wi-Fi 网络（例如你的家庭网络）。参见 [:book: 电子书：搭建自己的 IPsec VPN, OpenVPN 和 WireGuard 服务器](https://mybook.to/vpnzhs) 中的 "指南：为 macOS 和 iOS 自定义 IKEv2 VPN On Demand 规则"。
+（可选功能）启用 **VPN On Demand（按需连接）** 以在你的 Mac 连接到 Wi-Fi 时自动启动 VPN 连接。要启用它，选中 VPN 连接的 **按需连接** 复选框，然后单击 **应用**。你可以自定义按需连接规则，以排除某些 Wi-Fi 网络（例如你的家庭网络）。参见 [:book: Book: 搭建自己的 IPsec VPN, OpenVPN 和 WireGuard 服务器](https://books2read.com/vpnzh) 中的 "指南：为 macOS 和 iOS 自定义 IKEv2 VPN On Demand 规则"。
 
 <details>
 <summary>
@@ -209,7 +209,7 @@ Libreswan 支持通过使用 RSA 签名算法的 X.509 Machine Certificates 来
 1. 进入设置 -> VPN。选择与 `你的 VPN 服务器 IP`（或者域名）对应的 VPN 连接。
 1. 启用 **VPN** 连接。
 
-（可选功能）启用 **VPN On Demand（按需连接）** 以在你的 iOS 设备连接到 Wi-Fi 时自动启动 VPN 连接。要启用它，单击 VPN 连接右边的 "i" 图标，然后启用 **按需连接**。你可以自定义按需连接规则，以排除某些 Wi-Fi 网络（例如你的家庭网络），或者在 Wi-Fi 和蜂窝网络上都启动 VPN 连接。参见 [:book: 电子书：搭建自己的 IPsec VPN, OpenVPN 和 WireGuard 服务器](https://mybook.to/vpnzhs) 中的 "指南：为 macOS 和 iOS 自定义 IKEv2 VPN On Demand 规则"。
+（可选功能）启用 **VPN On Demand（按需连接）** 以在你的 iOS 设备连接到 Wi-Fi 时自动启动 VPN 连接。要启用它，单击 VPN 连接右边的 "i" 图标，然后启用 **按需连接**。你可以自定义按需连接规则，以排除某些 Wi-Fi 网络（例如你的家庭网络），或者在 Wi-Fi 和蜂窝网络上都启动 VPN 连接。参见 [:book: Book: 搭建自己的 IPsec VPN, OpenVPN 和 WireGuard 服务器](https://books2read.com/vpnzh) 中的 "指南：为 macOS 和 iOS 自定义 IKEv2 VPN On Demand 规则"。
 
 <details>
 <summary>

docs/ikev2-howto.md

@@ -149,7 +149,7 @@ To connect to the VPN:
 1. Check the **Show VPN status in menu bar** checkbox.
 1. Click **Connect**.
 
-(Optional feature) Enable **VPN On Demand** to automatically start a VPN connection when your Mac is on Wi-Fi. To enable, check the **Connect on demand** checkbox for the VPN connection, and click **Apply**. You can customize VPN On Demand rules to exclude certain Wi-Fi network(s) such as your home network. See "Guide: Customize IKEv2 VPN On Demand rules for macOS and iOS" in [:book: Book: Set Up Your Own IPsec VPN, OpenVPN and WireGuard Server](https://mybook.to/vpn).
+(Optional feature) Enable **VPN On Demand** to automatically start a VPN connection when your Mac is on Wi-Fi. To enable, check the **Connect on demand** checkbox for the VPN connection, and click **Apply**. You can customize VPN On Demand rules to exclude certain Wi-Fi network(s) such as your home network. See "Guide: Customize IKEv2 VPN On Demand rules for macOS and iOS" in [:book: Book: Set Up Your Own IPsec VPN, OpenVPN and WireGuard Server](https://books2read.com/vpn).
 
 <details>
 <summary>
@@ -209,7 +209,7 @@ To connect to the VPN:
 1. Go to Settings -> VPN. Select the VPN connection with `Your VPN Server IP` (or DNS name).
 1. Slide the **VPN** switch ON.
 
-(Optional feature) Enable **VPN On Demand** to automatically start a VPN connection when your iOS device is on Wi-Fi. To enable, tap the "i" icon on the right of the VPN connection, and enable **Connect On Demand**. You can customize VPN On Demand rules to exclude certain Wi-Fi network(s) such as your home network, or to start the VPN connection both on Wi-Fi and cellular. See "Guide: Customize IKEv2 VPN On Demand rules for macOS and iOS" in [:book: Book: Set Up Your Own IPsec VPN, OpenVPN and WireGuard Server](https://mybook.to/vpn).
+(Optional feature) Enable **VPN On Demand** to automatically start a VPN connection when your iOS device is on Wi-Fi. To enable, tap the "i" icon on the right of the VPN connection, and enable **Connect On Demand**. You can customize VPN On Demand rules to exclude certain Wi-Fi network(s) such as your home network, or to start the VPN connection both on Wi-Fi and cellular. See "Guide: Customize IKEv2 VPN On Demand rules for macOS and iOS" in [:book: Book: Set Up Your Own IPsec VPN, OpenVPN and WireGuard Server](https://books2read.com/vpn).
 
 <details>
 <summary>