From ca4afe5e7669d21fdac2c2e33244780d1a22a465 Mon Sep 17 00:00:00 2001
From: myronliu347 <myronliu347@gmail.com>
Date: Fri, 16 Nov 2018 14:02:25 +0800
Subject: [PATCH] fix(TreeSelect):  'key' undefined error without treeCheckable
 prop

---
 src/tree-select/tree-select.jsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tree-select/tree-select.jsx b/src/tree-select/tree-select.jsx
index 01c09d78e1..733734c37c 100644
--- a/src/tree-select/tree-select.jsx
+++ b/src/tree-select/tree-select.jsx
@@ -288,7 +288,7 @@ export default class TreeSelect extends Component {
 
     getData(value, forSelect) {
         return value.reduce((ret, v) => {
-            const k = this._v2n[v].key;
+            const k = this._v2n[v] && this._v2n[v].key;
             if (k) {
                 const { label, pos, disabled, checkboxDisabled } = this._k2n[k];
                 const d = {