diff --git a/README.md b/README.md
index db2c3d6..fca76cd 100644
--- a/README.md
+++ b/README.md
@@ -183,6 +183,7 @@
 
 * [OpenWrt智能、自动、透明翻墙路由器教程](http://softwaredownload.gitbooks.io/openwrt-fanqiang/)
 * [SAN 管理入门系列](https://community.emc.com/docs/DOC-16067)
+* [Sketch 中文手册](http://sketchcn.com/sketch-chinese-user-manual.html#introduce)
 
 ## 语言相关类