From f3c38d5811dc7fdb3e25fbb745ccf4903a0aee38 Mon Sep 17 00:00:00 2001
From: Rex <zhangzilong.zzl@163.com>
Date: Wed, 17 May 2017 10:24:16 +0800
Subject: [PATCH] fix: `notification.destroy` bug (#6161)

---
 components/notification/__tests__/index.test.js | 7 +++++++
 components/notification/index.tsx               | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/components/notification/__tests__/index.test.js b/components/notification/__tests__/index.test.js
index a052cd34cc..322b57c296 100644
--- a/components/notification/__tests__/index.test.js
+++ b/components/notification/__tests__/index.test.js
@@ -43,6 +43,13 @@ describe('notification', () => {
     expect(document.querySelectorAll('.ant-notification-notice').length).toBe(0);
   });
 
+  it('should be able to destroy after config', () => {
+    notification.config({
+      bottom: 100,
+    });
+    notification.destroy();
+  });
+
   it('should be able to open with icon', () => {
     const openNotificationWithIcon = (type) => {
       const iconPrefix = '.ant-notification-notice-icon';
diff --git a/components/notification/index.tsx b/components/notification/index.tsx
index 4cde43fab2..ded1d41c78 100755
--- a/components/notification/index.tsx
+++ b/components/notification/index.tsx
@@ -188,7 +188,7 @@ const api: {
       if (notify) {
         notify.destroy();
       }
-      notificationInstance[defaultPlacement] = null;
+      delete notificationInstance[defaultPlacement];
     }
     if (duration !== undefined) {
       defaultDuration = duration;