From 58b1069dedf48d44ef32da2e943b9cf556d1213d Mon Sep 17 00:00:00 2001
From: xingshaocheng <xingshaocheng@users.noreply.github.com>
Date: Sun, 29 Apr 2018 11:48:04 +0800
Subject: [PATCH] Update README.md

---
 README.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/README.md b/README.md
index 75b9e4a..d89093a 100644
--- a/README.md
+++ b/README.md
@@ -1556,6 +1556,11 @@ TODO
 
 * 【《双因素认证（2FA）教程》】(http://www.ruanyifeng.com/blog/2017/11/2fa-tutorial.html)
 
+### 单点登录(SSO)
+
+* [《单点登录原理与简单实现》](https://www.cnblogs.com/ywlaker/p/6113927.html)
+
+* [CAS单点登录框架](https://github.com/apereo/cas)
 
 # 常用开源框架