diff --git a/api/@ohos.window.d.ts b/api/@ohos.window.d.ts
index f457c8f197d74ea94217f66654364fec7ad4a826..f828dde20028c155e2aa43add90506144b3f0565 100644
--- a/api/@ohos.window.d.ts
+++ b/api/@ohos.window.d.ts
@@ -9552,6 +9552,25 @@ declare namespace window {
      */
     raiseAboveTarget(windowId: number): Promise<void>;
 
+    /**
+     * Raise main window above another.
+     *
+     * @param { number } windowId - Indicates target window id.
+     * @returns { Promise<void> } - The promise returned by the function.
+     * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
+     * @throws { BusinessError } 801 - Capability not supported.
+     *     Failed to call the API due to limited device capabilities.
+     * @throws { BusinessError } 1300002 - This window state is abnormal.
+     * @throws { BusinessError } 1300003 - This window manager service works abnormally.
+     * @throws { BusinessError } 1300004 - Unauthorized operation.
+     * @throws { BusinessError } 1300016 - Parameter error. Possible cause:
+     *     1. Invalid Parameter range. 2. Invalid parameter length.
+     * @syscap SystemCapability.Window.SessionManager
+     * @systemapi Hide this for inner system use.
+     * @since 20
+     */
+    raiseMainWindowAboveTarget(windowId: number): Promise<void>;
+
     /**
      * Set whether to enable an app sub window to raise itself by click.
      *