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 ede1e6649366ac24d915e1109e955f6b49ca8909..b542ff5ff6493bb84fea27b73a81783ea05d1a1c 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-wallpaper.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-wallpaper.md
@@ -503,6 +503,7 @@ setWallpaper(source: string | image.PixelMap, wallpaperType: WallpaperType): Pro
       console.error(`failed to createPixelMap because: ` + JSON.stringify(error));
   });
   ```
+
 ## wallpaper.getFile<sup>8+</sup>
 
 getFile(wallpaperType: WallpaperType, callback: AsyncCallback&lt;number&gt;): void
@@ -530,6 +531,7 @@ getFile(wallpaperType: WallpaperType, callback: AsyncCallback&lt;number&gt;): vo
       console.log(`success to getFile: ` + JSON.stringify(data));
   });
   ```
+
 ## wallpaper.getFile<sup>8+</sup>
 
 getFile(wallpaperType: WallpaperType): Promise&lt;number&gt;