diff --git a/README.md b/README.md
index 0736038606355e4e37823f35c8a3fddb50bf8347..5c2541051c3e9fb6be67354f586d12b40985dfe0 100644
--- a/README.md
+++ b/README.md
@@ -272,7 +272,6 @@
 * [XDebug 2中文手册(译)](http://www.blogkun.com/project.html) (CHM)
 * [PHP之道](http://wulijun.github.io/php-the-right-way/)
 * [PHP 最佳实践](https://github.com/justjavac/PHP-Best-Practices-zh_CN)
-* [PHP安全最佳实践](http://www.blogkun.com/php/2013/12/21/php-security-best-practices/)
 * [深入理解PHP内核](https://github.com/reeze/tipi)
 * [PHP扩展开发及内核应用](http://www.walu.cc/phpbook/)
 * [CodeIgniter 用户指南](http://codeigniter.org.cn/user_guide/index.html)