From ffdfc6d0447d9e0b17cf9a2e97b2705d8e09a10f Mon Sep 17 00:00:00 2001
From: zhushangyuan <zhushangyuan@huawei.com>
Date: Fri, 13 Jun 2025 15:11:24 +0800
Subject: [PATCH] AsyncCallback

Signed-off-by: zhushangyuan <zhushangyuan@huawei.com>
---
 api/@ohos.base.d.ets | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/api/@ohos.base.d.ets b/api/@ohos.base.d.ets
index 39f9d3995f..0f7d42b99c 100644
--- a/api/@ohos.base.d.ets
+++ b/api/@ohos.base.d.ets
@@ -51,7 +51,7 @@ export type ErrorCallback<T extends Error = BusinessError> = (err: T)=> void;
  * @atomicservice
  * @since 20
  */
-export type AsyncCallback<T, E = void> = (err: BusinessError<E>, data: T)=> void;
+export type AsyncCallback<T, E = void> = (err: BusinessError<E> | null, data: T | undefined)=> void;
 
 /**
  * Defines the error interface.
-- 
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