From cdfb34e4b1be6f44dd99ab7b52a3f2fd1a207091 Mon Sep 17 00:00:00 2001
From: RaoHai <surgesoft@gmail.com>
Date: Tue, 17 May 2016 15:14:31 +0800
Subject: [PATCH 1/2] determine whether this.refs exisits

---
 src/Dialog.jsx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Dialog.jsx b/src/Dialog.jsx
index 33fdc92a..8829d820 100644
--- a/src/Dialog.jsx
+++ b/src/Dialog.jsx
@@ -102,7 +102,9 @@ const Dialog = React.createClass({
   },
 
   onAnimateLeave() {
-    this.refs.wrap.style.display = 'none';
+    if (this.refs.wrap) {
+      this.refs.wrap.style.display = 'none';
+    }
     this.props.onAfterClose();
   },
 

From 47b217495cfc336ee7f4a988a612c69992a1c6af Mon Sep 17 00:00:00 2001
From: RaoHai <surgesoft@gmail.com>
Date: Tue, 17 May 2016 15:18:20 +0800
Subject: [PATCH 2/2] determine whether this.refs exisits

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

diff --git a/src/Dialog.jsx b/src/Dialog.jsx
index 8829d820..dba26f9c 100644
--- a/src/Dialog.jsx
+++ b/src/Dialog.jsx
@@ -102,7 +102,7 @@ const Dialog = React.createClass({
   },
 
   onAnimateLeave() {
-    if (this.refs.wrap) {
+    if (ReactDOM.findDOMNode(this.refs.wrap)) {
       this.refs.wrap.style.display = 'none';
     }
     this.props.onAfterClose();