From 7cc5853ed7d4375fecacd9e5d08b035b478f3e8c Mon Sep 17 00:00:00 2001
From: wanghaoo <wanghaoo@yonyou.com>
Date: Fri, 14 Dec 2018 15:09:19 +0800
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 docs/api.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/api.md b/docs/api.md
index 55a26e1..ba69150 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -36,6 +36,7 @@
 |onDragEnd|当拖拽结束触发的方法|function({event,node})|-
 |onDrop|当节点放下触发方法|function({event, node, dragNode, dragNodesKeys})|-
 |onDoubleClick|当双击发生触发的方法|function(checkedKeys, e:{node, event})|-
+|focusable|是否开启快捷键功能，使用Tab 键导航获取焦点↓↑选中下、上一个节点，→←展开或者收起一个节点|bool|-
 
 ## TreeNode
 |参数|说明|类型|默认值|