From 543ef3030fd572ea7b5f60ddb7e0b9be62f92563 Mon Sep 17 00:00:00 2001
From: jljsj33 <liangjun.jiang@alipay.com>
Date: Wed, 11 Apr 2018 21:09:54 +0800
Subject: [PATCH] fix state children is null

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

diff --git a/src/QueueAnim.jsx b/src/QueueAnim.jsx
index be7f358..f95dcf9 100644
--- a/src/QueueAnim.jsx
+++ b/src/QueueAnim.jsx
@@ -95,7 +95,7 @@ class QueueAnim extends React.Component {
        * 如果 state.children 里还有元素，元素还在动画，当前子级加回在出场的子级;
        */
       const leaveChild = this.state.children.filter(item =>
-        this.keysToLeave.indexOf(item.key) >= 0
+        item && this.keysToLeave.indexOf(item.key) >= 0
       );
       currentChildren = mergeChildren(currentChildren, leaveChild);
     }