diff --git a/api/@ohos.window.d.ts b/api/@ohos.window.d.ts
index f457c8f197d74ea94217f66654364fec7ad4a826..17ccdbb70bc29de407312741df392ec317ffecfc 100644
--- a/api/@ohos.window.d.ts
+++ b/api/@ohos.window.d.ts
@@ -75,6 +75,7 @@ declare type WindowAnimationCurveParam = Array<number>;
  *
  * @namespace window
  * @syscap SystemCapability.WindowManager.WindowManager.Core
+ * @since 6
  */
 /**
  * Window manager.