diff --git a/README.md b/README.md
index bee8029..c117607 100644
--- a/README.md
+++ b/README.md
@@ -158,6 +158,7 @@
 * [程序员编程艺术](https://github.com/julycoding/The-Art-Of-Programming-by-July)
 * [每个程序员都应该了解的内存知识(译)](http://www.oschina.net/translate/what-every-programmer-should-know-about-memory-part1?print)【第一部分】
 * [取悦的工序：如何理解游戏](http://read.douban.com/ebook/4972883/) (豆瓣阅读，免费书籍)
+* [接口设计指北](https://github.com/bolasblack/api-guide)
 
 ## 语言相关类