diff --git a/README-zh.md b/README-zh.md
index 272ad47..f6ebcb4 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -1,6 +1,6 @@
 # IPsec VPN 服务器一键安装脚本
 
-[![Build Status](https://travis-ci.org/hwdsl2/setup-ipsec-vpn.svg?branch=master)](https://travis-ci.org/hwdsl2/setup-ipsec-vpn) [![GitHub Stars](https://img.shields.io/github/stars/hwdsl2/setup-ipsec-vpn.svg?maxAge=86400)](https://github.com/hwdsl2/setup-ipsec-vpn/stargazers) [![Docker Stars](https://img.shields.io/docker/stars/hwdsl2/ipsec-vpn-server.svg?maxAge=86400)](https://github.com/hwdsl2/docker-ipsec-vpn-server/blob/master/README-zh.md) [![Docker Pulls](https://img.shields.io/docker/pulls/hwdsl2/ipsec-vpn-server.svg?maxAge=86400)](https://github.com/hwdsl2/docker-ipsec-vpn-server/blob/master/README-zh.md)
+[![Build Status](https://img.shields.io/travis/hwdsl2/setup-ipsec-vpn.svg?maxAge=1200)](https://travis-ci.org/hwdsl2/setup-ipsec-vpn) [![GitHub Stars](https://img.shields.io/github/stars/hwdsl2/setup-ipsec-vpn.svg?maxAge=86400)](https://github.com/hwdsl2/setup-ipsec-vpn/stargazers) [![Docker Stars](https://img.shields.io/docker/stars/hwdsl2/ipsec-vpn-server.svg?maxAge=86400)](https://github.com/hwdsl2/docker-ipsec-vpn-server/blob/master/README-zh.md) [![Docker Pulls](https://img.shields.io/docker/pulls/hwdsl2/ipsec-vpn-server.svg?maxAge=86400)](https://github.com/hwdsl2/docker-ipsec-vpn-server/blob/master/README-zh.md)
 
 使用 Linux 脚本一键快速搭建自己的 IPsec VPN 服务器。支持 IPsec/L2TP 和 Cisco IPsec 协议，可用于 Ubuntu/Debian/CentOS 系统。你只需提供自己的 VPN 登录凭证，然后运行脚本自动完成安装。
 
@@ -8,7 +8,7 @@ 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 <a href="https://libreswan.org/" target="_blank">Libreswan</a> 作为 IPsec 服务器，以及 <a href="https://github.com/xelerance/xl2tpd" target="_blank">xl2tpd</a> 作为 L2TP 提供者。
 
-<a href="https://blog.ls20.com/ipsec-l2tp-vpn-auto-setup-for-ubuntu-12-04-on-amazon-ec2/" target="_blank">**&raquo; 相关教程： IPsec VPN Server Auto Setup with Libreswan**</a>
+<a href="https://github.com/hwdsl2/docker-ipsec-vpn-server/blob/master/README-zh.md" target="_blank">**&raquo; 另见： Docker 上的 IPsec VPN 服务器**</a>
 
 *其他语言版本: [English](README.md), [简体中文](README-zh.md).*
 
@@ -75,7 +75,7 @@ wget https://git.io/vpnsetup -O vpnsetup.sh && sudo sh vpnsetup.sh
 
 <a href="https://blog.ls20.com/ipsec-l2tp-vpn-auto-setup-for-ubuntu-12-04-on-amazon-ec2/#gettingavps" target="_blank">**&raquo; 我想建立并使用自己的 VPN ，但是没有可用的服务器**</a>
 
-高级用户可以在 $35 <a href="https://blog.elasticbyte.net/setting-up-a-native-cisco-ipsec-vpn-server-using-a-raspberry-pi/" target="_blank">Raspberry Pi 3</a> 上搭建 VPN 服务器。
+高级用户可以在一个 $35 的 <a href="https://www.raspberrypi.org" target="_blank">Raspberry Pi 3</a> 上搭建 VPN 服务器。详见以下教程： <a href="https://www.stewright.me/2018/07/create-a-raspberry-pi-vpn-server-using-l2tpipsec/" target="_blank">[1]</a> <a href="https://blog.elasticbyte.net/setting-up-a-native-cisco-ipsec-vpn-server-using-a-raspberry-pi/" target="_blank">[2]</a>。
 
 :warning: **不要** 在你的 PC 或者 Mac 上运行这些脚本！它们只能用在服务器上！
 
diff --git a/README.md b/README.md
index 9f187ab..209f2ce 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # IPsec VPN Server Auto Setup Scripts
 
-[![Build Status](https://travis-ci.org/hwdsl2/setup-ipsec-vpn.svg?branch=master)](https://travis-ci.org/hwdsl2/setup-ipsec-vpn) [![GitHub Stars](https://img.shields.io/github/stars/hwdsl2/setup-ipsec-vpn.svg?maxAge=86400)](https://github.com/hwdsl2/setup-ipsec-vpn/stargazers) [![Docker Stars](https://img.shields.io/docker/stars/hwdsl2/ipsec-vpn-server.svg?maxAge=86400)](https://github.com/hwdsl2/docker-ipsec-vpn-server) [![Docker Pulls](https://img.shields.io/docker/pulls/hwdsl2/ipsec-vpn-server.svg?maxAge=86400)](https://github.com/hwdsl2/docker-ipsec-vpn-server)
+[![Build Status](https://img.shields.io/travis/hwdsl2/setup-ipsec-vpn.svg?maxAge=1200)](https://travis-ci.org/hwdsl2/setup-ipsec-vpn) [![GitHub Stars](https://img.shields.io/github/stars/hwdsl2/setup-ipsec-vpn.svg?maxAge=86400)](https://github.com/hwdsl2/setup-ipsec-vpn/stargazers) [![Docker Stars](https://img.shields.io/docker/stars/hwdsl2/ipsec-vpn-server.svg?maxAge=86400)](https://github.com/hwdsl2/docker-ipsec-vpn-server) [![Docker Pulls](https://img.shields.io/docker/pulls/hwdsl2/ipsec-vpn-server.svg?maxAge=86400)](https://github.com/hwdsl2/docker-ipsec-vpn-server)
 
 Set up your own IPsec VPN server in just a few minutes, with both IPsec/L2TP and Cisco IPsec on Ubuntu, Debian and CentOS. All you need to do is provide your own VPN credentials, and let the scripts handle the rest.
 
@@ -8,7 +8,7 @@ An IPsec VPN encrypts your network traffic, so that nobody between you and the V
 
 We will use <a href="https://libreswan.org/" target="_blank">Libreswan</a> as the IPsec server, and <a href="https://github.com/xelerance/xl2tpd" target="_blank">xl2tpd</a> as the L2TP provider.
 
-<a href="https://blog.ls20.com/ipsec-l2tp-vpn-auto-setup-for-ubuntu-12-04-on-amazon-ec2/" target="_blank">**&raquo; Related tutorial: IPsec VPN Server Auto Setup with Libreswan**</a>
+<a href="https://github.com/hwdsl2/docker-ipsec-vpn-server" target="_blank">**&raquo; See also: IPsec VPN Server on Docker**</a>
 
 *Read this in other languages: [English](README.md), [简体中文](README-zh.md).*
 
@@ -75,7 +75,7 @@ This also includes Linux VMs in public clouds, such as <a href="https://blog.ls2
 
 <a href="https://blog.ls20.com/ipsec-l2tp-vpn-auto-setup-for-ubuntu-12-04-on-amazon-ec2/#gettingavps" target="_blank">**&raquo; I want to run my own VPN but don't have a server for that**</a>
 
-Advanced users can set up the VPN server on a $35 <a href="https://blog.elasticbyte.net/setting-up-a-native-cisco-ipsec-vpn-server-using-a-raspberry-pi/" target="_blank">Raspberry Pi 3</a>.
+Advanced users can set up the VPN server on a $35 <a href="https://www.raspberrypi.org" target="_blank">Raspberry Pi 3</a>. Learn more in these articles: <a href="https://www.stewright.me/2018/07/create-a-raspberry-pi-vpn-server-using-l2tpipsec/" target="_blank">[1]</a> <a href="https://blog.elasticbyte.net/setting-up-a-native-cisco-ipsec-vpn-server-using-a-raspberry-pi/" target="_blank">[2]</a>.
 
 :warning: **DO NOT** run these scripts on your PC or Mac! They should only be used on a server!