diff --git a/api/@ohos.document.d.ts b/api/@ohos.document.d.ts
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+++ b/api/@ohos.document.d.ts
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+/*
+ * Copyright (c) 2021 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
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { AsyncCallback } from './basic'
+
+export default document;
+
+/**
+ * document
+ * @syscap SystemCapability.FileManagement.FileManagerService
+ * @since 6
+ * @import import document from '@ohos.document';
+ * @permission N/A
+ */
+declare namespace document {
+    export { choose };
+    export { show };
+}
+
+/**
+ * choose.
+ *
+ * @note N/A
+ * @syscap SystemCapability.FileManagement.FileManagerService
+ * @since 6
+ * @permission N/A
+ * @function choose
+ * @param {string} type - type.
+ * @param {AsyncCallback<void>} [callback] - callback.
+ * @returns {void | Promise<void>} no callback return Promise otherwise return void
+ * @throws {TypedError} Parameter check failed
+ */
+declare function choose(types?: string[]): Promise<string>;
+declare function choose(callback: AsyncCallback<string>): void;
+declare function choose(types: string[], callback: AsyncCallback<string>): void;
+
+/**
+ * show.
+ *
+ * @note N/A
+ * @syscap SystemCapability.FileManagement.FileManagerService
+ * @since 6
+ * @permission N/A
+ * @function show
+ * @param {string} uri - uri.
+ * @param {string} type - type.
+ * @param {AsyncCallback<void>} [callback] - callback.
+ * @returns {void | Promise<void>} no callback return Promise otherwise return void
+ * @throws {TypedError} Parameter check failed
+ */
+declare function show(uri: string, type: string): Promise<void>;
+declare function show(uri: string, type: string, callback: AsyncCallback<void>): void;