diff --git a/api/@ohos.fileio.d.ts b/api/@ohos.fileio.d.ts
index d074897db66b2d0b83bb97b2901da646653e741e..b78dc4ddc7e972ae29dad47cb47c850081713484 100644
--- a/api/@ohos.fileio.d.ts
+++ b/api/@ohos.fileio.d.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -1048,6 +1048,27 @@ declare interface Dir {
      * @throws {TypedError | Error} read fail if read to end, Error.msg = "NoMore"
      */
     readSync(): Dirent;
+    /**
+     * listFile.
+     *
+     * @syscap SystemCapability.FileManagement.File.FileIO
+     * @since 10
+     * @function listFile
+     * @param {AsyncCallback<Dirent>} [callback] - callback.
+     * @returns {void | Promise<Dirent>} no callback return Promise otherwise return void
+     * @throws {BusinessError} Parameter check failed if read to end, Error.msg = "NoMore"
+     */
+    listFile(): Promise<Dirent>;
+    listFile(callback: AsyncCallback<Dirent>): void;
+    /**
+     * listFileSync.
+     * @syscap SystemCapability.FileManagement.File.FileIO
+     * @since 10
+     * @function listFileSync
+     * @returns {Dirent} Dirent Object
+     * @throws {BusinessError | Error} read fail if read to end, Error.msg = "NoMore"
+     */
+    listFileSync(): Dirent;
     /**
      * close.
      * @note N/A