diff --git a/api/@ohos.application.WindowExtensionAbility.d.ts b/api/@ohos.application.WindowExtensionAbility.d.ts
index 5714a693ff3818022ee8f5203ce97d050d2ef335..8188274dfcc7dd4e703f42ae5c31060eb18c4809 100644
--- a/api/@ohos.application.WindowExtensionAbility.d.ts
+++ b/api/@ohos.application.WindowExtensionAbility.d.ts
@@ -16,6 +16,7 @@
 import rpc from "./@ohos.rpc";
 import ExtensionContext from "./application/ExtensionContext";
 import Want from './@ohos.application.Want';
+import window from './@ohos.window';
 
 /**
  * class of window extension ability.
@@ -68,6 +69,6 @@ export default class WindowExtensionAbility {
      * @return -
      * @StageModelOnly
      */
-    onWindowReady(window: Window): void;
+    onWindowReady(window: window.Window): void;
 }