diff --git a/src/dialog/README.md b/src/dialog/README.md
index 2184d4117..ad7e500fe 100644
--- a/src/dialog/README.md
+++ b/src/dialog/README.md
@@ -73,7 +73,7 @@ Dialog.alert({
 
 ```js
 const beforeClose = (action) =>
-  new Promsie((resolve) => {
+  new Promise((resolve) => {
     setTimeout(() => {
       resolve(action === 'confirm');
     }, 1000);
diff --git a/src/dialog/README.zh-CN.md b/src/dialog/README.zh-CN.md
index 7c2226b58..ea3d065e4 100644
--- a/src/dialog/README.zh-CN.md
+++ b/src/dialog/README.zh-CN.md
@@ -101,7 +101,7 @@ Dialog.alert({
 
 ```js
 const beforeClose = (action) =>
-  new Promsie((resolve) => {
+  new Promise((resolve) => {
     setTimeout(() => {
       if (action === 'confirm') {
         resolve(true);