diff --git a/api/@ohos.application.WindowExtensionAbility.d.ts b/api/@ohos.application.WindowExtensionAbility.d.ts
index 8188274dfcc7dd4e703f42ae5c31060eb18c4809..f4237c343cd07b5c632845e1e71dc1d4294160ab 100644
--- a/api/@ohos.application.WindowExtensionAbility.d.ts
+++ b/api/@ohos.application.WindowExtensionAbility.d.ts
@@ -55,7 +55,6 @@ export default class WindowExtensionAbility {
      * @syscap SystemCapability.WindowManager.WindowManager.Core
      * @param want Indicates disconnection information about the window extension.
      * @systemapi hide for inner use.
-     * @return -
      * @StageModelOnly
      */
     onDisconnect(want: Want): void;
@@ -66,7 +65,6 @@ export default class WindowExtensionAbility {
      * @since 9
      * @syscap SystemCapability.WindowManager.WindowManager.Core
      * @systemapi hide for inner use.
-     * @return -
      * @StageModelOnly
      */
     onWindowReady(window: window.Window): void;