From 4ea2235e1ea61204ba1e5df655f4f79b66442c1f Mon Sep 17 00:00:00 2001
From: mazijian <mazijian2@huawei.com>
Date: Mon, 28 Jul 2025 23:44:41 +0800
Subject: [PATCH] =?UTF-8?q?ArkUI=E6=96=B9=E6=B3=95=E6=94=B9=E5=B1=9E?=
 =?UTF-8?q?=E6=80=A7?=
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Signed-off-by: mazijian <mazijian2@huawei.com>
---
 api/arkui/component/lazyForEach.d.ets | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/api/arkui/component/lazyForEach.d.ets b/api/arkui/component/lazyForEach.d.ets
index c454f744d4..7dc46891dd 100644
--- a/api/arkui/component/lazyForEach.d.ets
+++ b/api/arkui/component/lazyForEach.d.ets
@@ -571,44 +571,43 @@ export interface IDataSource<T> {
     /**
      * Total data count.
      *
-     * @returns { number }
+     * @type { function }
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @crossplatform
      * @atomicservice
      * @since 20
      */
-    totalCount(): number;
+    totalCount: () => number;
     /**
      * Return the data of index.
      *
-     * @param { number } index
-     * @returns { any }
+     * @type { function }
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @crossplatform
      * @atomicservice
      * @since 20
      */
-    getData(index: number): T;
+    getData: (index: number) => T;
     /**
      * Register data change listener.
      *
-     * @param { DataChangeListener } listener
+     * @type { function }
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @crossplatform
      * @atomicservice
      * @since 20
      */
-    registerDataChangeListener(listener: DataChangeListener): void;
+    registerDataChangeListener: (listener: DataChangeListener) => void;
     /**
      * Unregister data change listener.
      *
-     * @param { DataChangeListener } listener
+     * @type { function }
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @crossplatform
      * @atomicservice
      * @since 20
      */
-    unregisterDataChangeListener(listener: DataChangeListener): void;
+    unregisterDataChangeListener: (listener: DataChangeListener) => void;
 }
 
 /**
-- 
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