diff --git a/zh-cn/application-dev/reference/apis/js-apis-wallpaper.md b/zh-cn/application-dev/reference/apis/js-apis-wallpaper.md
index 5887212185a9bc56a284faf04a62242e570a1ffd..63269945f788c489d7a735122a0dfb5d1d6d8006 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-wallpaper.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-wallpaper.md
@@ -642,7 +642,8 @@ restore(wallpaperType: WallpaperType): Promise<void>
 
 **示例：**
   
-```js wallpaper.restore(wallpaper.WallpaperType.WALLPAPER_SYSTEM).then((data) => {
+```js 
+wallpaper.restore(wallpaper.WallpaperType.WALLPAPER_SYSTEM).then((data) => {
     console.log(`success to restore.`);
   }).catch((error) => {
     console.error(`failed to restore because: ` + JSON.stringify(error));