diff --git a/api/@ohos.window.d.ts b/api/@ohos.window.d.ts
index 9f132f63f32473843cf05c2e8edb3ed96324046b..e73827a9226af2f240aaf4d0712664e7b3d598b3 100644
--- a/api/@ohos.window.d.ts
+++ b/api/@ohos.window.d.ts
@@ -6322,7 +6322,8 @@ declare namespace window {
      * @throws { BusinessError } 1300002 - This window state is abnormal.
      * @syscap SystemCapability.WindowManager.WindowManager.Core
      * @atomicservice
-     * @since 12
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     getPreferredOrientation(): Orientation;
 
@@ -9152,7 +9153,8 @@ declare namespace window {
      * @throws { BusinessError } 1300004 - Unauthorized operation.
      * @syscap SystemCapability.WindowManager.WindowManager.Core
      * @systemapi Hide this for inner system use.
-     * @since 12
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     setBackdropBlurStyle(blurStyle: BlurStyle): void;