From cf3b4a6639fb5bfae14cbd66ad65fcb956497a7e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=88=E5=AE=87=E6=98=8E?= <it_chenyuming@163.com>
Date: Wed, 3 Aug 2016 17:54:38 +0800
Subject: [PATCH] Update README-cn.md

---
 README-cn.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README-cn.md b/README-cn.md
index 5353027c2..03926d6fc 100644
--- a/README-cn.md
+++ b/README-cn.md
@@ -25,6 +25,8 @@
 - **设置空布局（比Listview的setEmptyView还要好用！）**
 - **添加拖拽item**
 
+#扩展库
+[PinnedSectionItemDecoration](https://github.com/oubowu/PinnedSectionItemDecoration)
 #如何使用它？
 先在 build.gradle 的 repositories 添加:
 ```