diff --git a/api/@ohos.file.fs.d.ets b/api/@ohos.file.fs.d.ets
index e5e897722413bb2aa0637b546ecfce051b660cf0..747a1d4100d2a2c168e7546d26f029ac09e1583d 100644
--- a/api/@ohos.file.fs.d.ets
+++ b/api/@ohos.file.fs.d.ets
@@ -455,6 +455,7 @@ function copy(srcUri: string, destUri: string, options: CopyOptions, callback: A
  * @throws { BusinessError } 13900042 - Unknown error
  * @throws { BusinessError } 13900044 - Network is unreachable
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function copyDir(src: string, dest: string, mode?: number): Promise<void>;
@@ -483,6 +484,7 @@ function copyDir(src: string, dest: string, mode?: number): Promise<void>;
  * @throws { BusinessError } 13900038 - Value too large for defined data type
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function copyDir(src: string, dest: string, callback: AsyncCallback<void>): void;
@@ -495,6 +497,7 @@ function copyDir(src: string, dest: string, callback: AsyncCallback<void>): void
  * @param { AsyncCallback<void, Array<ConflictFiles>> } callback - Return the callback function.
  * @throws { BusinessError } 13900015 - File exists
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function copyDir(src: string, dest: string, callback: AsyncCallback<void, Array<ConflictFiles>>): void;
@@ -524,6 +527,7 @@ function copyDir(src: string, dest: string, callback: AsyncCallback<void, Array<
  * @throws { BusinessError } 13900038 - Value too large for defined data type
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function copyDir(src: string, dest: string, mode: number, callback: AsyncCallback<void>): void;
@@ -537,6 +541,7 @@ function copyDir(src: string, dest: string, mode: number, callback: AsyncCallbac
  * @param { AsyncCallback<void, Array<ConflictFiles>> } callback - Return the callback function.
  * @throws { BusinessError } 13900015 - File exists
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function copyDir(src: string, dest: string, mode: number, callback: AsyncCallback<void, Array<ConflictFiles>>): void;
@@ -567,6 +572,7 @@ function copyDir(src: string, dest: string, mode: number, callback: AsyncCallbac
  * @throws { BusinessError } 13900042 - Unknown error
  * @throws { BusinessError } 13900044 - Network is unreachable
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function copyDirSync(src: string, dest: string, mode?: number): void;
@@ -734,6 +740,8 @@ function copyFileSync(src: string | number, dest: string | number, mode?: number
  * @throws { BusinessError } 13900042 - Unknown error
  * @throws { BusinessError } 13900044 - Network is unreachable
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
+ * @atomicservice
  * @since 20
  */
 function createStream(path: string, mode: string): Promise<Stream>;
@@ -771,6 +779,8 @@ function createStream(path: string, mode: string): Promise<Stream>;
  * @throws { BusinessError } 13900041 - Quota exceeded
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
+ * @atomicservice
  * @since 20
  */
 function createStream(path: string, mode: string, callback: AsyncCallback<Stream>): void;
@@ -809,6 +819,8 @@ function createStream(path: string, mode: string, callback: AsyncCallback<Stream
  * @throws { BusinessError } 13900042 - Unknown error
  * @throws { BusinessError } 13900044 - Network is unreachable
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
+ * @atomicservice
  * @since 20
  */
 function createStreamSync(path: string, mode: string): Stream;
@@ -848,6 +860,7 @@ function createStreamSync(path: string, mode: string): Stream;
  * @throws { BusinessError } 13900042 - Unknown error
  * @throws { BusinessError } 13900044 - Network is unreachable
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function createRandomAccessFile(file: string | File, mode?: number,
@@ -885,6 +898,7 @@ function createRandomAccessFile(file: string | File, mode?: number,
  * @throws { BusinessError } 13900041 - Quota exceeded
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function createRandomAccessFile(file: string | File, callback: AsyncCallback<RandomAccessFile>): void;
@@ -922,6 +936,7 @@ function createRandomAccessFile(file: string | File, callback: AsyncCallback<Ran
  * @throws { BusinessError } 13900041 - Quota exceeded
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function createRandomAccessFile(file: string | File, mode: number, callback: AsyncCallback<RandomAccessFile>): void;
@@ -961,6 +976,7 @@ function createRandomAccessFile(file: string | File, mode: number, callback: Asy
  * @throws { BusinessError } 13900042 - Unknown error
  * @throws { BusinessError } 13900044 - Network is unreachable
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function createRandomAccessFileSync(file: string | File, mode?: number,
@@ -989,6 +1005,7 @@ function createRandomAccessFileSync(file: string | File, mode?: number,
  * @throws { BusinessError } 13900042 - Unknown error
  * @throws { BusinessError } 13900044 - Network is unreachable
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function createReadStream(path: string, options?: ReadStreamOptions): ReadStream;
@@ -1018,6 +1035,7 @@ function createReadStream(path: string, options?: ReadStreamOptions): ReadStream
  * @throws { BusinessError } 13900041 - Quota exceeded
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function createWriteStream(path: string, options?: WriteStreamOptions): WriteStream;
@@ -1043,6 +1061,7 @@ function createWriteStream(path: string, options?: WriteStreamOptions): WriteStr
  * @throws { BusinessError } 13900030 - File name too long
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function createWatcher(path: string, events: number, listener: WatchEventListener): Watcher;
@@ -1151,6 +1170,8 @@ function fdatasyncSync(fd: number): void;
  * @throws { BusinessError } 13900041 - Quota exceeded
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
+ * @atomicservice
  * @since 20
  */
 function fdopenStream(fd: number, mode: string): Promise<Stream>;
@@ -1189,6 +1210,8 @@ function fdopenStream(fd: number, mode: string): Promise<Stream>;
  * @throws { BusinessError } 13900041 - Quota exceeded
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
+ * @atomicservice
  * @since 20
  */
 function fdopenStream(fd: number, mode: string, callback: AsyncCallback<Stream>): void;
@@ -1227,6 +1250,8 @@ function fdopenStream(fd: number, mode: string, callback: AsyncCallback<Stream>)
  * @throws { BusinessError } 13900041 - Quota exceeded
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
+ * @atomicservice
  * @since 20
  */
 function fdopenStreamSync(fd: number, mode: string): Stream;
@@ -1402,6 +1427,7 @@ function lseek(fd: number, offset: number, whence?: WhenceType): number;
  * @throws { BusinessError } 13900038 - Value too large for defined data type
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function lstat(path: string): Promise<Stat>;
@@ -1422,6 +1448,7 @@ function lstat(path: string): Promise<Stat>;
  * @throws { BusinessError } 13900038 - Value too large for defined data type
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function lstat(path: string, callback: AsyncCallback<Stat>): void;
@@ -1442,6 +1469,7 @@ function lstat(path: string, callback: AsyncCallback<Stat>): void;
  * @throws { BusinessError } 13900038 - Value too large for defined data type
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function lstatSync(path: string): Stat;
@@ -1495,6 +1523,7 @@ function mkdir(path: string): Promise<void>;
  * @throws { BusinessError } 13900041 - Quota exceeded
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @atomicservice
  * @since 20
  */
@@ -1549,6 +1578,7 @@ function mkdir(path: string, callback: AsyncCallback<void>): void;
  * @throws { BusinessError } 13900041 - Quota exceeded
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @atomicservice
  * @since 20
  */
@@ -1601,6 +1631,7 @@ function mkdirSync(path: string): void;
  * @throws { BusinessError } 13900041 - Quota exceeded
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @atomicservice
  * @since 20
  */
@@ -1711,6 +1742,7 @@ function mkdtempSync(prefix: string): string;
  * @throws { BusinessError } 13900041 - Quota exceeded
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function moveDir(src: string, dest: string, mode?: number): Promise<void>;
@@ -1740,6 +1772,7 @@ function moveDir(src: string, dest: string, mode?: number): Promise<void>;
  * @throws { BusinessError } 13900041 - Quota exceeded
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function moveDir(src: string, dest: string, callback: AsyncCallback<void>): void;
@@ -1752,6 +1785,7 @@ function moveDir(src: string, dest: string, callback: AsyncCallback<void>): void
  * @param { AsyncCallback<void, Array<ConflictFiles>> } callback - Return the callback function.
  * @throws { BusinessError } 13900015 - File exists
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function moveDir(src: string, dest: string, callback: AsyncCallback<void, Array<ConflictFiles>>): void;
@@ -1782,6 +1816,7 @@ function moveDir(src: string, dest: string, callback: AsyncCallback<void, Array<
  * @throws { BusinessError } 13900041 - Quota exceeded
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function moveDir(src: string, dest: string, mode: number, callback: AsyncCallback<void>): void;
@@ -1795,6 +1830,7 @@ function moveDir(src: string, dest: string, mode: number, callback: AsyncCallbac
  * @param { AsyncCallback<void, Array<ConflictFiles>> } callback - Return the callback function.
  * @throws { BusinessError } 13900015 - File exists
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function moveDir(src: string, dest: string, mode: number, callback: AsyncCallback<void, Array<ConflictFiles>>): void;
@@ -1825,6 +1861,7 @@ function moveDir(src: string, dest: string, mode: number, callback: AsyncCallbac
  * @throws { BusinessError } 13900041 - Quota exceeded
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function moveDirSync(src: string, dest: string, mode?: number): void;
@@ -2238,6 +2275,7 @@ function readSync(
  * @throws { BusinessError } 13900042 - Unknown error
  * @throws { BusinessError } 13900044 - Network is unreachable
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function readLines(filePath: string, options?: Options): Promise<ReaderIterator>;
@@ -2260,6 +2298,7 @@ function readLines(filePath: string, options?: Options): Promise<ReaderIterator>
  * @throws { BusinessError } 13900041 - Quota exceeded
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function readLines(filePath: string, callback: AsyncCallback<ReaderIterator>): void;
@@ -2283,6 +2322,7 @@ function readLines(filePath: string, callback: AsyncCallback<ReaderIterator>): v
  * @throws { BusinessError } 13900041 - Quota exceeded
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function readLines(filePath: string, options: Options, callback: AsyncCallback<ReaderIterator>): void;
@@ -2307,6 +2347,7 @@ function readLines(filePath: string, options: Options, callback: AsyncCallback<R
  * @throws { BusinessError } 13900042 - Unknown error
  * @throws { BusinessError } 13900044 - Network is unreachable
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function readLinesSync(filePath: string, options?: Options): ReaderIterator;
@@ -3119,6 +3160,7 @@ function disconnectDfs(networkId: string): Promise<void>;
  * @throws { BusinessError } 13900041 - Quota exceeded
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function setxattr(path: string, key: string, value: string): Promise<void>;
@@ -3141,6 +3183,7 @@ function setxattr(path: string, key: string, value: string): Promise<void>;
  * @throws { BusinessError } 13900041 - Quota exceeded
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 
@@ -3162,6 +3205,7 @@ function setxattrSync(path: string, key: string, value: string): void;
  * @throws { BusinessError } 13900038 - Value too large for defined data type
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function getxattr(path: string, key: string): Promise<string>;
@@ -3182,6 +3226,7 @@ function getxattr(path: string, key: string): Promise<string>;
  * @throws { BusinessError } 13900038 - Value too large for defined data type
  * @throws { BusinessError } 13900042 - Unknown error
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 function getxattrSync(path: string, key: string): string;
@@ -3308,6 +3353,7 @@ interface File {
    * @throws { BusinessError } 13900042 - Unknown error
    * @throws { BusinessError } 14300002 - Invalid URI
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   readonly path: string;
@@ -3320,6 +3366,7 @@ interface File {
    * @throws { BusinessError } 13900005 - I/O error
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   readonly name: string;
@@ -3332,6 +3379,7 @@ interface File {
    * @throws { BusinessError } 13900042 - Unknown error
    * @throws { BusinessError } 14300002 - Invalid URI
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   getParent(): string;
@@ -3418,6 +3466,7 @@ interface File {
  *
  * @interface RandomAccessFile
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 interface RandomAccessFile {
@@ -3428,6 +3477,7 @@ interface RandomAccessFile {
    * @type { number }
    * @readonly
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   readonly fd: number;
@@ -3438,6 +3488,7 @@ interface RandomAccessFile {
    * @type { number }
    * @readonly
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   readonly filePointer: number;
@@ -3452,6 +3503,7 @@ interface RandomAccessFile {
    * @throws { BusinessError } 13900020 - Invalid argument
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   setFilePointer(filePointer: number): void;
@@ -3466,6 +3518,7 @@ interface RandomAccessFile {
    * @throws { BusinessError } 13900041 - Quota exceeded
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   close(): void;
@@ -3489,6 +3542,7 @@ interface RandomAccessFile {
    * @throws { BusinessError } 13900041 - Quota exceeded
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   write(
@@ -3514,6 +3568,7 @@ interface RandomAccessFile {
    * @throws { BusinessError } 13900041 - Quota exceeded
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   write(buffer: ArrayBuffer | string, callback: AsyncCallback<number>): void;
@@ -3537,6 +3592,7 @@ interface RandomAccessFile {
    * @throws { BusinessError } 13900041 - Quota exceeded
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   write(
@@ -3564,6 +3620,7 @@ interface RandomAccessFile {
    * @throws { BusinessError } 13900041 - Quota exceeded
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   writeSync(
@@ -3588,6 +3645,7 @@ interface RandomAccessFile {
    * @throws { BusinessError } 13900042 - Unknown error
    * @throws { BusinessError } 13900044 - Network is unreachable
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   read(
@@ -3610,6 +3668,7 @@ interface RandomAccessFile {
    * @throws { BusinessError } 13900034 - Operation would block
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   read(buffer: ArrayBuffer, callback: AsyncCallback<number>): void;
@@ -3630,6 +3689,7 @@ interface RandomAccessFile {
   * @throws { BusinessError } 13900034 - Operation would block
   * @throws { BusinessError } 13900042 - Unknown error
   * @syscap SystemCapability.FileManagement.File.FileIO
+  * @crossplatform
   * @since 20
   */
   read(
@@ -3655,6 +3715,7 @@ interface RandomAccessFile {
    * @throws { BusinessError } 13900042 - Unknown error
    * @throws { BusinessError } 13900044 - Network is unreachable
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   readSync(
@@ -3698,6 +3759,7 @@ interface RandomAccessFile {
  * 
  * @extends stream.Readable
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 class ReadStream extends stream.Readable {
@@ -3705,6 +3767,7 @@ class ReadStream extends stream.Readable {
     * The ReadStream constructor.
     *
     * @syscap SystemCapability.FileManagement.File.FileIO
+    * @crossplatform
     * @since 20
     */
   constructor();
@@ -3716,6 +3779,7 @@ class ReadStream extends stream.Readable {
    * @readonly
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   readonly bytesRead: number;
@@ -3727,6 +3791,7 @@ class ReadStream extends stream.Readable {
    * @readonly
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   readonly path: string;
@@ -3742,6 +3807,7 @@ class ReadStream extends stream.Readable {
    * @throws { BusinessError } 13900026 - Illegal seek
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   seek(offset: number, whence?: WhenceType): number;
@@ -3756,6 +3822,7 @@ class ReadStream extends stream.Readable {
    * @throws { BusinessError } 13900041 - Quota exceeded
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   close(): void;
@@ -3766,6 +3833,7 @@ class ReadStream extends stream.Readable {
  * 
  * @extends stream.Writable
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 class WriteStream extends stream.Writable {
@@ -3773,6 +3841,7 @@ class WriteStream extends stream.Writable {
     * The WriteStream constructor.
     *
     * @syscap SystemCapability.FileManagement.File.FileIO
+    * @crossplatform
     * @since 20
     */
   constructor();
@@ -3784,6 +3853,7 @@ class WriteStream extends stream.Writable {
    * @readonly
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   readonly bytesWritten: number;
@@ -3795,6 +3865,7 @@ class WriteStream extends stream.Writable {
    * @readonly
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   readonly path: string;
@@ -3810,6 +3881,7 @@ class WriteStream extends stream.Writable {
    * @throws { BusinessError } 13900026 - Illegal seek
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   seek(offset: number, whence?: WhenceType): number;
@@ -3824,6 +3896,7 @@ class WriteStream extends stream.Writable {
    * @throws { BusinessError } 13900041 - Quota exceeded
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   close(): void;
@@ -3832,6 +3905,7 @@ class WriteStream extends stream.Writable {
 /**
  * The AtomicFile class provides methods for performing atomic operations on files.
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 export class AtomicFile {
@@ -3840,6 +3914,7 @@ export class AtomicFile {
    * @param { string } path file path.
    * @throws { BusinessError } 401 Parameter error.Possible causes:1.Mandatory parameters are left unspecified; 2.Incorrect parameter types.
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   constructor(path: string);
@@ -3852,6 +3927,7 @@ export class AtomicFile {
    * @throws { BusinessError } 13900012 Permission denied
    * @throws { BusinessError } 13900042 Internal error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   getBaseFile(): File;
@@ -3864,6 +3940,7 @@ export class AtomicFile {
    * @throws { BusinessError } 13900012 Permission denied
    * @throws { BusinessError } 13900042 Internal error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   openRead(): ReadStream;
@@ -3874,6 +3951,7 @@ export class AtomicFile {
    * @throws { BusinessError } 13900005 I/O error
    * @throws { BusinessError } 13900042 Internal error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   readFully(): ArrayBuffer;
@@ -3887,6 +3965,7 @@ export class AtomicFile {
    * @throws { BusinessError } 13900027 Read-only file system
    * @throws { BusinessError } 13900042 Internal error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   startWrite(): WriteStream;
@@ -3895,6 +3974,7 @@ export class AtomicFile {
    * If the file is written successfully, the file is closed.
    * @throws { BusinessError } 13900042 Internal error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   finishWrite(): void;
@@ -3903,6 +3983,7 @@ export class AtomicFile {
    * If writing to the file fails, the file is rolled back.
    * @throws { BusinessError } 13900042 Internal error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   failWrite(): void;
@@ -3915,6 +3996,7 @@ export class AtomicFile {
    * @throws { BusinessError } 13900027 Read-only file system
    * @throws { BusinessError } 13900042 Internal error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   delete(): void;
@@ -4157,6 +4239,8 @@ interface Stat {
  *
  * @interface Stream
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
+ * @atomicservice
  * @since 20
  */
 interface Stream {
@@ -4171,6 +4255,8 @@ interface Stream {
    * @throws { BusinessError } 13900041 - Quota exceeded
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
+   * @atomicservice
    * @since 20
    */
   close(): Promise<void>;
@@ -4186,6 +4272,8 @@ interface Stream {
    * @throws { BusinessError } 13900041 - Quota exceeded
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
+   * @atomicservice
    * @since 20
    */
   close(callback: AsyncCallback<void>): void;
@@ -4200,6 +4288,8 @@ interface Stream {
    * @throws { BusinessError } 13900041 - Quota exceeded
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
+   * @atomicservice
    * @since 20
    */
   closeSync(): void;
@@ -4221,6 +4311,8 @@ interface Stream {
    * @throws { BusinessError } 13900041 - Quota exceeded
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
+   * @atomicservice
    * @since 20
    */
   flush(): Promise<void>;
@@ -4242,6 +4334,8 @@ interface Stream {
    * @throws { BusinessError } 13900041 - Quota exceeded
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
+   * @atomicservice
    * @since 20
    */
   flush(callback: AsyncCallback<void>): void;
@@ -4262,6 +4356,8 @@ interface Stream {
    * @throws { BusinessError } 13900041 - Quota exceeded
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
+   * @atomicservice
    * @since 20
    */
   flushSync(): void;
@@ -4285,6 +4381,8 @@ interface Stream {
    * @throws { BusinessError } 13900041 - Quota exceeded
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
+   * @atomicservice
    * @since 20
    */
   write(
@@ -4310,6 +4408,8 @@ interface Stream {
    * @throws { BusinessError } 13900041 - Quota exceeded
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
+   * @atomicservice
    * @since 20
    */
   write(buffer: ArrayBuffer | string, callback: AsyncCallback<number>): void;
@@ -4333,6 +4433,8 @@ interface Stream {
    * @throws { BusinessError } 13900041 - Quota exceeded
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
+   * @atomicservice
    * @since 20
    */
   write(
@@ -4360,6 +4462,8 @@ interface Stream {
    * @throws { BusinessError } 13900041 - Quota exceeded
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
+   * @atomicservice
    * @since 20
    */
   writeSync(
@@ -4384,6 +4488,8 @@ interface Stream {
    * @throws { BusinessError } 13900042 - Unknown error
    * @throws { BusinessError } 13900044 - Network is unreachable
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
+   * @atomicservice
    * @since 20
    */
   read(
@@ -4406,6 +4512,8 @@ interface Stream {
    * @throws { BusinessError } 13900034 - Operation would block
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
+   * @atomicservice
    * @since 20
    */
   read(buffer: ArrayBuffer, callback: AsyncCallback<number>): void;
@@ -4426,6 +4534,8 @@ interface Stream {
    * @throws { BusinessError } 13900034 - Operation would block
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
+   * @atomicservice
    * @since 20
    */
   read(
@@ -4451,6 +4561,8 @@ interface Stream {
    * @throws { BusinessError } 13900042 - Unknown error
    * @throws { BusinessError } 13900044 - Network is unreachable
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
+   * @atomicservice
    * @since 20
    */
   readSync(
@@ -4464,6 +4576,7 @@ interface Stream {
  *
  * @interface Watcher
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 interface Watcher {
@@ -4484,6 +4597,7 @@ interface Watcher {
    * @throws { BusinessError } 13900030 - File name too long
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   start(): void;
@@ -4505,6 +4619,7 @@ interface Watcher {
    * @throws { BusinessError } 13900030 - File name too long
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   stop(): void;
@@ -4515,6 +4630,7 @@ interface Watcher {
  *
  * @enum { number } whence type
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 enum WhenceType {
@@ -4522,6 +4638,7 @@ enum WhenceType {
    * Starting position of the file offset.
    *
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   SEEK_SET = 0,
@@ -4530,6 +4647,7 @@ enum WhenceType {
    * Current position of the file offset.
    *
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   SEEK_CUR = 1,
@@ -4538,6 +4656,7 @@ enum WhenceType {
    * Ending position of the file offset.
    *
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   SEEK_END = 2,
@@ -4573,6 +4692,7 @@ enum LocationType {
  *
  * @enum { number } access mode type
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @atomicservice
  * @since 20
  */
@@ -4581,6 +4701,7 @@ enum AccessModeType {
    * Check if the file exists.
    *
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @atomicservice
    * @since 20
    */
@@ -4590,6 +4711,7 @@ enum AccessModeType {
    * Check if the file has write permission.
    *
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @atomicservice
    * @since 20
    */
@@ -4599,6 +4721,7 @@ enum AccessModeType {
    * Check if the file has read permission.
    *
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @atomicservice
    * @since 20
    */
@@ -4608,6 +4731,7 @@ enum AccessModeType {
    * Check if the file has read and write permission.
    *
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @atomicservice
    * @since 20
    */
@@ -4636,6 +4760,7 @@ enum AccessFlagType {
  *
  * @interface ReaderIterator
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 interface ReaderIterator {
@@ -4647,6 +4772,7 @@ interface ReaderIterator {
    * @throws { BusinessError } 13900037 - No data available
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   next(): ReaderIteratorResult;
@@ -4660,6 +4786,7 @@ interface ReaderIterator {
  * @typedef { function } WatchEventListener
  * @param { WatchEvent } event - Event type for the callback to invoke.
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 export type WatchEventListener = (event: WatchEvent) => void;
@@ -4669,6 +4796,7 @@ export type WatchEventListener = (event: WatchEvent) => void;
  *
  * @interface WatchEvent
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 export interface WatchEvent {
@@ -4678,6 +4806,7 @@ export interface WatchEvent {
    * @type { string }
    * @readonly
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   readonly fileName: string;
@@ -4688,6 +4817,7 @@ export interface WatchEvent {
    * @type { number }
    * @readonly
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   readonly event: number;
@@ -4698,6 +4828,7 @@ export interface WatchEvent {
    * @type { number }
    * @readonly
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   readonly cookie: number;
@@ -4708,6 +4839,7 @@ export interface WatchEvent {
  *
  * @interface ReaderIteratorResult
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 export interface ReaderIteratorResult {
@@ -4716,6 +4848,7 @@ export interface ReaderIteratorResult {
    * 
    * @type { boolean }
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   done: boolean;
@@ -4725,6 +4858,7 @@ export interface ReaderIteratorResult {
    * 
    * @type { string }
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   value: string;
@@ -4813,6 +4947,7 @@ export interface Filter {
  *
  * @interface ConflictFiles
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 export interface ConflictFiles {
@@ -4822,6 +4957,7 @@ export interface ConflictFiles {
    * 
    * @type { string }
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   srcFile: string;
@@ -4831,6 +4967,7 @@ export interface ConflictFiles {
    * 
    * @type { string }
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   destFile: string;
@@ -4841,6 +4978,7 @@ export interface ConflictFiles {
  *
  * @interface Options
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 export interface Options {
@@ -4849,6 +4987,7 @@ export interface Options {
    * 
    * @type { ?string }
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   encoding?: string;
@@ -4859,6 +4998,7 @@ export interface Options {
  *
  * @interface ReadOptions
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @atomicservice
  * @since 20
  */
@@ -4868,6 +5008,7 @@ export interface ReadOptions {
    * 
    * @type { ?number }
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @atomicservice
    * @since 20
    */
@@ -4877,6 +5018,7 @@ export interface ReadOptions {
    * 
    * @type { ?number }
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @atomicservice
    * @since 20
    */
@@ -4889,6 +5031,7 @@ export interface ReadOptions {
  * @extends ReadOptions
  * @interface ReadTextOptions
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @atomicservice
  * @since 20
  */
@@ -4898,6 +5041,7 @@ export interface ReadTextOptions extends ReadOptions {
    * 
    * @type { ?string }
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @atomicservice
    * @since 20
    */
@@ -4910,6 +5054,7 @@ export interface ReadTextOptions extends ReadOptions {
  * @extends Options
  * @interface WriteOptions
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @atomicservice
  * @since 20
  */
@@ -4919,6 +5064,7 @@ export interface WriteOptions extends Options {
    * 
    * @type { ?number }
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @atomicservice
    * @since 20
    */
@@ -4928,6 +5074,7 @@ export interface WriteOptions extends Options {
    * 
    * @type { ?number }
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @atomicservice
    * @since 20
    */
@@ -4979,6 +5126,7 @@ export interface ListFileOptions {
  *
  * @interface RandomAccessFileOptions
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20
  */
 export interface RandomAccessFileOptions {
@@ -4987,6 +5135,7 @@ export interface RandomAccessFileOptions {
    * 
    * @type { ?number }
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   start?: number;
@@ -4996,6 +5145,7 @@ export interface RandomAccessFileOptions {
    * 
    * @type { ?number }
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   end?: number;
@@ -5006,6 +5156,7 @@ export interface RandomAccessFileOptions {
  *
  * @interface ReadStreamOptions
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20 
  */
 export interface ReadStreamOptions {
@@ -5014,6 +5165,7 @@ export interface ReadStreamOptions {
    * 
    * @type { ?number }
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   start?: number;
@@ -5023,6 +5175,7 @@ export interface ReadStreamOptions {
    * 
    * @type { ?number }
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   end?: number;
@@ -5033,6 +5186,7 @@ export interface ReadStreamOptions {
  *
  * @interface WriteStreamOptions
  * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
  * @since 20 
  */
 export interface WriteStreamOptions {
@@ -5041,6 +5195,7 @@ export interface WriteStreamOptions {
    * 
    * @type { ?number }
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   mode?: number;
@@ -5049,6 +5204,7 @@ export interface WriteStreamOptions {
    * 
    * @type { ?number }
    * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
    * @since 20
    */
   start?: number;
diff --git a/api/@ohos.file.securityLabel.d.ts b/api/@ohos.file.securityLabel.d.ts
index 1050c3b3240f692cb49c0268eb2f8613400aaf65..f675714f290243f5a5c0523564e77f1fb7106385 100644
--- a/api/@ohos.file.securityLabel.d.ts
+++ b/api/@ohos.file.securityLabel.d.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2022-2023 Huawei Device Co., Ltd.
+ * Copyright (C) 2022-2025 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
diff --git a/api/@ohos.file.statvfs.d.ts b/api/@ohos.file.statvfs.d.ts
index 9dd4b53226e8f0100d6688e4659aa44f62ccc81c..ceadd105343efd2fb43134452e9bc7305e2e82d6 100644
--- a/api/@ohos.file.statvfs.d.ts
+++ b/api/@ohos.file.statvfs.d.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2022-2023 Huawei Device Co., Ltd.
+ * Copyright (C) 2022-2025 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
@@ -25,7 +25,15 @@ import type { AsyncCallback } from './@ohos.base';
  *
  * @namespace statfs
  * @syscap SystemCapability.FileManagement.File.FileIO
- * @since arkts {'1.1':'9', '1.2':'20'}
+ * @since 9
+ */
+/**
+ * Provides filesystem statistics APIs
+ *
+ * @namespace statfs
+ * @syscap SystemCapability.FileManagement.File.FileIO
+ * @crossplatform
+ * @since 20
  * @arkts 1.1&1.2
  */
 declare namespace statfs {
@@ -48,7 +56,29 @@ declare namespace statfs {
    * @throws { BusinessError } 13900038 - Value too large for defined data type
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
-   * @since arkts {'1.1':'9', '1.2':'20'}
+   * @since 9
+   */
+  /**
+   * Get the number of free bytes on the specified path.
+   *
+   * @param { string } path - path
+   * @returns { Promise<number> } return Promise
+   * @throws { BusinessError } 13900002 - No such file or directory
+   * @throws { BusinessError } 13900004 - Interrupted system call
+   * @throws { BusinessError } 13900005 - I/O error
+   * @throws { BusinessError } 13900008 - Bad file descriptor
+   * @throws { BusinessError } 13900011 - Out of memory
+   * @throws { BusinessError } 13900012 - Permission denied
+   * @throws { BusinessError } 13900013 - Bad address
+   * @throws { BusinessError } 13900018 - Not a directory
+   * @throws { BusinessError } 13900030 - File name too long
+   * @throws { BusinessError } 13900031 - Function not implemented
+   * @throws { BusinessError } 13900033 - Too many symbolic links encountered
+   * @throws { BusinessError } 13900038 - Value too large for defined data type
+   * @throws { BusinessError } 13900042 - Unknown error
+   * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
+   * @since 20
    * @arkts 1.1&1.2
    */
   function getFreeSize(path: string): Promise<number>;
@@ -72,7 +102,29 @@ declare namespace statfs {
    * @throws { BusinessError } 13900038 - Value too large for defined data type
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
-   * @since arkts {'1.1':'9', '1.2':'20'}
+   * @since 9
+   */
+  /**
+   * Get the number of free bytes on the specified path.
+   *
+   * @param { string } path - path
+   * @param { AsyncCallback<number> } [callback] - callback
+   * @throws { BusinessError } 13900002 - No such file or directory
+   * @throws { BusinessError } 13900004 - Interrupted system call
+   * @throws { BusinessError } 13900005 - I/O error
+   * @throws { BusinessError } 13900008 - Bad file descriptor
+   * @throws { BusinessError } 13900011 - Out of memory
+   * @throws { BusinessError } 13900012 - Permission denied
+   * @throws { BusinessError } 13900013 - Bad address
+   * @throws { BusinessError } 13900018 - Not a directory
+   * @throws { BusinessError } 13900030 - File name too long
+   * @throws { BusinessError } 13900031 - Function not implemented
+   * @throws { BusinessError } 13900033 - Too many symbolic links encountered
+   * @throws { BusinessError } 13900038 - Value too large for defined data type
+   * @throws { BusinessError } 13900042 - Unknown error
+   * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
+   * @since 20
    * @arkts 1.1&1.2
    */
   function getFreeSize(path: string, callback: AsyncCallback<number>): void;
@@ -96,7 +148,29 @@ declare namespace statfs {
    * @throws { BusinessError } 13900038 - Value too large for defined data type
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
-   * @since arkts {'1.1':'10', '1.2':'20'}
+   * @since 10
+   */
+  /**
+   * Get the number of free bytes on the specified path with sync interface.
+   *
+   * @param { string } path - path
+   * @returns { number } return the number of free bytes on the specified path
+   * @throws { BusinessError } 13900002 - No such file or directory
+   * @throws { BusinessError } 13900004 - Interrupted system call
+   * @throws { BusinessError } 13900005 - I/O error
+   * @throws { BusinessError } 13900008 - Bad file descriptor
+   * @throws { BusinessError } 13900011 - Out of memory
+   * @throws { BusinessError } 13900012 - Permission denied
+   * @throws { BusinessError } 13900013 - Bad address
+   * @throws { BusinessError } 13900018 - Not a directory
+   * @throws { BusinessError } 13900030 - File name too long
+   * @throws { BusinessError } 13900031 - Function not implemented
+   * @throws { BusinessError } 13900033 - Too many symbolic links encountered
+   * @throws { BusinessError } 13900038 - Value too large for defined data type
+   * @throws { BusinessError } 13900042 - Unknown error
+   * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
+   * @since 20
    * @arkts 1.1&1.2
    */
   function getFreeSizeSync(path: string): number;
@@ -120,7 +194,29 @@ declare namespace statfs {
    * @throws { BusinessError } 13900038 - Value too large for defined data type
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
-   * @since arkts {'1.1':'9', '1.2':'20'}
+   * @since 9
+   */
+  /**
+   * Get the number of total bytes on the specified path.
+   *
+   * @param { string } path - path
+   * @returns { Promise<number> } return Promise
+   * @throws { BusinessError } 13900002 - No such file or directory
+   * @throws { BusinessError } 13900004 - Interrupted system call
+   * @throws { BusinessError } 13900005 - I/O error
+   * @throws { BusinessError } 13900008 - Bad file descriptor
+   * @throws { BusinessError } 13900011 - Out of memory
+   * @throws { BusinessError } 13900012 - Permission denied
+   * @throws { BusinessError } 13900013 - Bad address
+   * @throws { BusinessError } 13900018 - Not a directory
+   * @throws { BusinessError } 13900030 - File name too long
+   * @throws { BusinessError } 13900031 - Function not implemented
+   * @throws { BusinessError } 13900033 - Too many symbolic links encountered
+   * @throws { BusinessError } 13900038 - Value too large for defined data type
+   * @throws { BusinessError } 13900042 - Unknown error
+   * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
+   * @since 20
    * @arkts 1.1&1.2
    */
   function getTotalSize(path: string): Promise<number>;
@@ -144,7 +240,29 @@ declare namespace statfs {
    * @throws { BusinessError } 13900038 - Value too large for defined data type
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
-   * @since arkts {'1.1':'9', '1.2':'20'}
+   * @since 9
+   */
+  /**
+   * Get the number of total bytes on the specified path.
+   *
+   * @param { string } path - path
+   * @param { AsyncCallback<number> } [callback] - callback
+   * @throws { BusinessError } 13900002 - No such file or directory
+   * @throws { BusinessError } 13900004 - Interrupted system call
+   * @throws { BusinessError } 13900005 - I/O error
+   * @throws { BusinessError } 13900008 - Bad file descriptor
+   * @throws { BusinessError } 13900011 - Out of memory
+   * @throws { BusinessError } 13900012 - Permission denied
+   * @throws { BusinessError } 13900013 - Bad address
+   * @throws { BusinessError } 13900018 - Not a directory
+   * @throws { BusinessError } 13900030 - File name too long
+   * @throws { BusinessError } 13900031 - Function not implemented
+   * @throws { BusinessError } 13900033 - Too many symbolic links encountered
+   * @throws { BusinessError } 13900038 - Value too large for defined data type
+   * @throws { BusinessError } 13900042 - Unknown error
+   * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
+   * @since 20
    * @arkts 1.1&1.2
    */
   function getTotalSize(path: string, callback: AsyncCallback<number>): void;
@@ -168,7 +286,29 @@ declare namespace statfs {
    * @throws { BusinessError } 13900038 - Value too large for defined data type
    * @throws { BusinessError } 13900042 - Unknown error
    * @syscap SystemCapability.FileManagement.File.FileIO
-   * @since arkts {'1.1':'10', '1.2':'20'}
+   * @since 10
+   */
+  /**
+   * Get the number of total bytes on the specified path with sync interface.
+   *
+   * @param { string } path - path
+   * @returns { number } return the number of total bytes
+   * @throws { BusinessError } 13900002 - No such file or directory
+   * @throws { BusinessError } 13900004 - Interrupted system call
+   * @throws { BusinessError } 13900005 - I/O error
+   * @throws { BusinessError } 13900008 - Bad file descriptor
+   * @throws { BusinessError } 13900011 - Out of memory
+   * @throws { BusinessError } 13900012 - Permission denied
+   * @throws { BusinessError } 13900013 - Bad address
+   * @throws { BusinessError } 13900018 - Not a directory
+   * @throws { BusinessError } 13900030 - File name too long
+   * @throws { BusinessError } 13900031 - Function not implemented
+   * @throws { BusinessError } 13900033 - Too many symbolic links encountered
+   * @throws { BusinessError } 13900038 - Value too large for defined data type
+   * @throws { BusinessError } 13900042 - Unknown error
+   * @syscap SystemCapability.FileManagement.File.FileIO
+   * @crossplatform
+   * @since 20
    * @arkts 1.1&1.2
    */
   function getTotalSizeSync(path: string): number;