diff --git a/README.md b/README.md
index 211216f..92fa139 100644
--- a/README.md
+++ b/README.md
@@ -94,6 +94,7 @@
 * [Nginx开发从入门到精通](http://tengine.taobao.org/book/index.html) (淘宝团队出品)
 * [Nginx教程从入门到精通](http://www.ttlsa.com/nginx/nginx-stu-pdf/)(PDF版本，运维生存时间出品)
 * [Apache 中文手册](http://works.jinbuguo.com/apache/menu22/index.html)
+* [Elasticsearch权威指南](http://looly.gitbooks.io/elasticsearch-the-definitive-guide-cn/)
 
 ### 版本控制