diff --git a/components/app/demo/basic.tsx b/components/app/demo/basic.tsx
index e7bdcddddf..ec7de9548e 100644
--- a/components/app/demo/basic.tsx
+++ b/components/app/demo/basic.tsx
@@ -18,7 +18,7 @@ const MyPage = () => {
 
   const showNotification = () => {
     notification.info({
-      message: `Notification topLeft`,
+      message: 'Notification topLeft',
       description: 'Hello, Ant Design!!',
       placement: 'topLeft',
     });
diff --git a/components/app/demo/config.tsx b/components/app/demo/config.tsx
index d0efa21cf4..a4b5d431ca 100644
--- a/components/app/demo/config.tsx
+++ b/components/app/demo/config.tsx
@@ -11,7 +11,7 @@ const MyPage = () => {
 
   const showNotification = () => {
     notification.info({
-      message: `Notification`,
+      message: 'Notification',
       description: 'Hello, Ant Design!!',
     });
   };