diff --git a/storage/storagefileiov9jstest/src/main/js/test/Common.js b/storage/storagefileiov9jstest/src/main/js/test/Common.js
index ad39b9337736ad91332ddc0620cfa461906dc158..9ca52d041fa8a463c5f2d8f1daa98352ffd5f2db 100644
--- a/storage/storagefileiov9jstest/src/main/js/test/Common.js
+++ b/storage/storagefileiov9jstest/src/main/js/test/Common.js
@@ -15,6 +15,7 @@
 
 import fileio from '@ohos.fileio';
 import fileIO from '@ohos.file.fs';
+import util from '@ohos.util';
 import featureAbility from '@ohos.ability.featureAbility';
 
 export const FILE_CONTENT = 'hello world';
@@ -53,7 +54,7 @@ export function prepareEmptyFile(fpath) {
 
 export function fileToReadOnly(fpath) {
   try {
-    let file = fileio.openSync(fpath, fileIO.OpenMode.CREATE)
+    let file = fileIO.openSync(fpath, fileIO.OpenMode.CREATE)
     fileio.fchmodSync(file.fd, 0o444)
     fileio.fsyncSync(file.fd)
     fileio.closeSync(file.fd)
@@ -67,7 +68,7 @@ export function fileToReadOnly(fpath) {
 
 export function fileToWriteOnly(fpath) {
   try {
-    let file = fileio.openSync(fpath, fileIO.OpenMode.CREATE | fileIO.OpenMode.WRITE_ONLY)
+    let file = fileIO.openSync(fpath, fileIO.OpenMode.CREATE | fileIO.OpenMode.WRITE_ONLY)
     fileio.fchmodSync(file.fd, 0o222)
     fileio.fsyncSync(file.fd)
     fileio.closeSync(file.fd)
@@ -117,6 +118,10 @@ function isIntNum(val) {
   return typeof val === 'number' && val % 1 === 0;
 }
 
+function isBigInt(val) {
+  return typeof val === 'bigint';
+}
+
 function isString(str) {
   return (typeof str == 'string') && str.constructor == String;
 }
@@ -133,10 +138,12 @@ export {
   fileio,
   fileIO,
   isIntNum,
+  isBigInt,
   isString,
   isBoolean,
   isInclude,
   describe,
   it,
-  expect
+  expect,
+  util
 };
\ No newline at end of file
diff --git a/storage/storagefileiov9jstest/src/main/js/test/members/read.test.js b/storage/storagefileiov9jstest/src/main/js/test/members/read.test.js
index 9fc47763d483822e29d96d80f2373bf1d84eec2c..6bebb857304193706dd099a1d4cad0be3ec85de9 100644
--- a/storage/storagefileiov9jstest/src/main/js/test/members/read.test.js
+++ b/storage/storagefileiov9jstest/src/main/js/test/members/read.test.js
@@ -15,16 +15,17 @@
 
 import {
   fileio, fileIO, FILE_CONTENT, prepareFile, nextFileName, isIntNum,
-  describe, it, expect,
+  describe, it, expect, util
 } from '../Common';
   
-  export default function fileIORead() {
+export default function fileIORead() {
   describe('fileIO_fs_read', function () {
 
   /**
    * @tc.number SUB_DF_FILEIO_READ_SYNC_0000
    * @tc.name fileIO_test_read_sync_000
    * @tc.desc Test readSync() interfaces.
+   * Open the file in read-only mode, verifying the normal read function.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
@@ -37,8 +38,9 @@ import {
     try {
       let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
-      let len = fileIO.readSync(file.fd, new ArrayBuffer(4096));
-      expect(len == FILE_CONTENT.length).assertTrue();
+      expect(
+        fileIO.readSync(file.fd, new ArrayBuffer(4096))
+        == FILE_CONTENT.length).assertTrue();
       fileio.closeSync(file.fd);
       fileio.unlinkSync(fpath);
     } catch (e) {
@@ -51,6 +53,7 @@ import {
    * @tc.number SUB_DF_FILEIO_READ_SYNC_0100
    * @tc.name fileIO_test_read_sync_001
    * @tc.desc Test readSync() interfaces.
+   * Open the file in read-only mode, reading the file with length = 1.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
@@ -63,10 +66,11 @@ import {
     try {
       let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
-      let len = fileIO.readSync(file.fd, new ArrayBuffer(4096), {
-        length: 1,
-      });
-      expect(len == 1).assertTrue();
+      expect(
+        fileIO.readSync(file.fd, new ArrayBuffer(4096), {
+          length: 1,
+        })
+        == 1).assertTrue();
       fileio.closeSync(file.fd);
       fileio.unlinkSync(fpath);
     } catch (e) {
@@ -79,6 +83,7 @@ import {
    * @tc.number SUB_DF_FILEIO_READ_SYNC_0200
    * @tc.name fileIO_test_read_sync_002
    * @tc.desc Test readSync() interfaces.
+   * Open the file in read-only mode, reading the file with length < 0(Read normal).
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
@@ -91,10 +96,10 @@ import {
     try {
       let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
-      let len = fileIO.readSync(file.fd, new ArrayBuffer(4096), {
-        offset: 1,
+      let readLen = fileIO.readSync(file.fd, new ArrayBuffer(4096), {
+        length: -1,
       });
-      expect(len == FILE_CONTENT.length - 1).assertTrue();
+      expect(readLen == FILE_CONTENT.length).assertTrue();
       fileio.closeSync(file.fd);
       fileio.unlinkSync(fpath);
     } catch (e) {
@@ -107,6 +112,7 @@ import {
    * @tc.number SUB_DF_FILEIO_READ_SYNC_0300
    * @tc.name fileIO_test_read_sync_003
    * @tc.desc Test readSync() interfaces.
+   * Open the file in read-only mode, reading the file with length > the content of file(Read normal).
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
@@ -115,19 +121,19 @@ import {
   it('fileIO_test_read_sync_003', 0, async function () {
     let fpath = await nextFileName('fileIO_test_read_sync_003');
     expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
-    let file;
-    const invalidLength = 9999;
 
     try {
-      file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
-      fileIO.readSync(file.fd, new ArrayBuffer(4096), {length: invalidLength});
-      expect(false).assertTrue();
-    } catch (e) {
-      console.log('fileIO_test_read_sync_003 has failed for ' + e.message + ', code: ' + e.code);
-      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+      expect(fileIO.readSync(file.fd, new ArrayBuffer(4096), {
+          length: FILE_CONTENT.length + 1,
+        })
+        == FILE_CONTENT.length).assertTrue();
       fileio.closeSync(file.fd);
       fileio.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_test_read_sync_003 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
     }
   });
 
@@ -135,19 +141,28 @@ import {
    * @tc.number SUB_DF_FILEIO_READ_SYNC_0400
    * @tc.name fileIO_test_read_sync_004
    * @tc.desc Test readSync() interfaces.
+   * Read the file with invalid length > size of ArrayBuffer.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
    * @tc.require
    */
   it('fileIO_test_read_sync_004', 0, async function () {
+    let fpath = await nextFileName('fileIO_test_read_sync_004');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+    let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
 
     try {
-      fileIO.readSync(-1, new ArrayBuffer(4096));
+      expect(isIntNum(file.fd)).assertTrue();
+      fileIO.readSync(file.fd, new ArrayBuffer(4096), {
+        length: 4097,
+      });
       expect(false).assertTrue();
     } catch (e) {
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
       console.log('fileIO_test_read_sync_004 has failed for ' + e.message + ', code: ' + e.code);
-      expect(e.code == 13900008 && e.message == 'Bad file descriptor').assertTrue();
+      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
     }
   });
 
@@ -155,6 +170,7 @@ import {
    * @tc.number SUB_DF_FILEIO_READ_SYNC_0500
    * @tc.name fileIO_test_read_sync_005
    * @tc.desc Test readSync() interfaces.
+   * Open the file in read-only mode, reading the file with offset(position) = 1.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
@@ -167,11 +183,11 @@ import {
     try {
       let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
-      let invalidPos = FILE_CONTENT.length + 1;
-      let len = fileIO.readSync(file.fd, new ArrayBuffer(4096), {
-        offset: invalidPos,
-      });
-      expect(len == 0).assertTrue();
+      expect(
+        fileIO.readSync(file.fd, new ArrayBuffer(4096), {
+          offset: 1,
+        })
+        == FILE_CONTENT.length - 1).assertTrue();
       fileio.closeSync(file.fd);
       fileio.unlinkSync(fpath);
     } catch (e) {
@@ -180,10 +196,153 @@ import {
     }
   });
 
+  /**
+   * @tc.number SUB_DF_FILEIO_READ_SYNC_0600
+   * @tc.name fileIO_test_read_sync_006
+   * @tc.desc Test readSync() interfaces.
+   * Read the file with invalid offset = -1.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_read_sync_006', 0, async function () {
+    let fpath = await nextFileName('fileIO_test_read_sync_006');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+    let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
+
+    try {
+      expect(isIntNum(file.fd)).assertTrue();
+      fileIO.readSync(file.fd, new ArrayBuffer(4096), {
+        offset: -1,
+      });
+      expect(false).assertTrue();
+    } catch (e) {
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+      console.log('fileIO_test_read_sync_006 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_READ_SYNC_0700
+   * @tc.name fileIO_test_read_sync_007
+   * @tc.desc Test readSync() interfaces.
+   * Open the file in read-only mode, reading the file with offset(position) > the content of file(Read normal).
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_read_sync_007', 0, async function () {
+    let fpath = await nextFileName('fileIO_test_read_sync_007');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      expect(
+        fileIO.readSync(file.fd, new ArrayBuffer(4096), {
+          offset: FILE_CONTENT.length + 1,
+        })
+        == 0).assertTrue();
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_test_read_sync_007 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_READ_SYNC_0800
+   * @tc.name fileIO_test_read_sync_008
+   * @tc.desc Test readSync() interfaces.
+   * Open the file in read-only mode, reading the file with offset(position) = 1, length = 10.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_read_sync_008', 0, async function () {
+    let fpath = await nextFileName('fileIO_test_read_sync_008');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      expect(
+        fileIO.readSync(file.fd, new ArrayBuffer(4096), {
+          offset: 1,
+          length: FILE_CONTENT.length - 1,
+        })
+        == FILE_CONTENT.length - 1).assertTrue();
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_test_read_sync_008 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_READ_SYNC_0900
+   * @tc.name fileIO_test_read_sync_009
+   * @tc.desc Test readSync() interfaces.
+   * Read the file with invalid fd.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_read_sync_009', 0, async function () {
+
+    try {
+      fileIO.readSync(-1, new ArrayBuffer(4096));
+      expect(false).assertTrue();
+    } catch (e) {
+      console.log('fileIO_test_read_sync_009 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900008 && e.message == 'Bad file descriptor').assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_READ_SYNC_1000
+   * @tc.name fileIO_test_read_sync_010
+   * @tc.desc Test readSync() interfaces.
+   * Verify that the Chinese, English, and symbols can be read correctly.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_read_sync_010', 0, async function () {
+    let fpath = await nextFileName('fileIO_test_read_sync_010');
+    let CONTENT = "<?xml 你好， 世界 hello world>"
+    expect(prepareFile(fpath, CONTENT)).assertTrue();
+
+    try {
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      let buf = new ArrayBuffer(4096);
+      fileIO.readSync(file.fd, buf);
+      let textDecoder = new util.TextDecoder("utf-8", { ignoreBOM: true });
+      let resultPut = textDecoder.decode(new Uint8Array(buf), { stream: true });
+      expect(resultPut == CONTENT).assertTrue();
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_test_read_sync_010 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
   /**
    * @tc.number SUB_DF_FILEIO_READ_ASYNC_0000
    * @tc.name fileIO_test_read_async_000
-   * @tc.desc Test read() interfaces.
+   * @tc.desc Test read() interfaces. Promise.
+   * Open the file in read-only mode, verifying the normal read function.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
@@ -196,8 +355,8 @@ import {
     try {
       let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
-      let res = await fileIO.read(file.fd, new ArrayBuffer(4096));
-      expect(res == FILE_CONTENT.length).assertTrue();
+      let readLen = await fileIO.read(file.fd, new ArrayBuffer(4096));
+      expect(readLen == FILE_CONTENT.length).assertTrue();
       fileio.closeSync(file.fd);
       fileio.unlinkSync(fpath);
       done();
@@ -210,7 +369,8 @@ import {
   /**
    * @tc.number SUB_DF_FILEIO_READ_ASYNC_0100
    * @tc.name fileIO_test_read_async_001
-   * @tc.desc Test read() interfaces.
+   * @tc.desc Test read() interfaces. Callback.
+   * Open the file in read-only mode, verifying the normal read function.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
@@ -223,7 +383,11 @@ import {
     try {
       let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
-      fileIO.read(file.fd, new ArrayBuffer(4096), async function (err, readlen) {
+      fileIO.read(file.fd, new ArrayBuffer(4096), (err, readlen) => {
+        if(err) {
+          console.log('fileIO_test_read_async_001 err package: ' + JSON.stringify(err));
+          expect(false).assertTrue();
+        }
         expect(readlen == FILE_CONTENT.length).assertTrue();
         fileio.closeSync(file.fd);
         fileio.unlinkSync(fpath);
@@ -238,7 +402,8 @@ import {
   /**
    * @tc.number SUB_DF_FILEIO_READ_ASYNC_0200
    * @tc.name fileIO_test_read_async_002
-   * @tc.desc Test read() interfaces.
+   * @tc.desc Test read() interfaces. Promise.
+   * Open the file in write-only mode, verifying it is not readable.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
@@ -247,25 +412,26 @@ import {
   it('fileIO_test_read_async_002', 0, async function (done) {
     let fpath = await nextFileName('fileIO_test_read_async_002');
     expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+    let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
 
     try {
-      let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
-      let readlen = await fileIO.read(file.fd, new ArrayBuffer(4096));
-      expect(readlen == FILE_CONTENT.length).assertTrue();
+      await fileIO.read(file.fd, new ArrayBuffer(4096));
+      expect(false).assertTrue();
+    } catch (e) {
       fileio.closeSync(file.fd);
       fileio.unlinkSync(fpath);
-      done();
-    } catch (e) {
       console.log('fileIO_test_read_async_002 has failed for ' + e.message + ', code: ' + e.code);
-      expect(false).assertTrue();
+      expect(e.code == 13900008 && e.message == 'Bad file descriptor').assertTrue();
+      done();
     }
   });
 
   /**
    * @tc.number SUB_DF_FILEIO_READ_ASYNC_0300
    * @tc.name fileIO_test_read_async_003
-   * @tc.desc Test read() interfaces.
+   * @tc.desc Test read() interfaces. Callback.
+   * Open the file in write-only mode, verifying it is not readable.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
@@ -274,17 +440,20 @@ import {
   it('fileIO_test_read_async_003', 0, async function (done) {
     let fpath = await nextFileName('fileIO_test_read_async_003');
     expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+    let file;
 
     try {
-      let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
+      file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
-      let readlen = await fileIO.read(file.fd, new ArrayBuffer(4096), {
-        offset: 1,
+      fileIO.read(file.fd, new ArrayBuffer(4096), (err) => {
+        if(err) {
+          fileio.closeSync(file.fd);
+          fileio.unlinkSync(fpath);
+          console.log('fileIO_test_read_async_003 error package: {' + err.message + ', code: ' + err.code + '}');
+          expect(err.code == 13900008 && err.message == 'Bad file descriptor').assertTrue();
+          done();
+        }
       });
-      expect(readlen == FILE_CONTENT.length - 1).assertTrue();
-      fileio.closeSync(file.fd);
-      fileio.unlinkSync(fpath);
-      done();
     } catch (e) {
       console.log('fileIO_test_read_async_003 has failed for ' + e.message + ', code: ' + e.code);
       expect(false).assertTrue();
@@ -294,7 +463,8 @@ import {
   /**
    * @tc.number SUB_DF_FILEIO_READ_ASYNC_0400
    * @tc.name fileIO_test_read_async_004
-   * @tc.desc Test read() interface.
+   * @tc.desc Test read() interfaces. Promise.
+   * Open the file in read-only mode, reading the file with offset(position) = 1.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
@@ -308,9 +478,9 @@ import {
       let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
       let readlen = await fileIO.read(file.fd, new ArrayBuffer(4096), {
-        length: 3,
+        offset: 1,
       });
-      expect(readlen == 3).assertTrue();
+      expect(readlen == FILE_CONTENT.length - 1).assertTrue();
       fileio.closeSync(file.fd);
       fileio.unlinkSync(fpath);
       done();
@@ -323,7 +493,8 @@ import {
   /**
    * @tc.number SUB_DF_FILEIO_READ_ASYNC_0500
    * @tc.name fileIO_test_read_async_005
-   * @tc.desc Test read() interfaces.
+   * @tc.desc Test read() interfaces. Callback.
+   * Open the file in read-only mode, reading the file with offset(position) = 1.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
@@ -333,40 +504,455 @@ import {
     let fpath = await nextFileName('fileIO_test_read_async_005');
     expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
 
+    try {
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      fileIO.read(file.fd, new ArrayBuffer(4096), {
+          offset: 1,
+        }, (err, readLen) => {
+          if(err) {
+            console.log('fileIO_test_read_async_005 err package' + JSON.stringify(err));
+            expect(false).assertTrue();
+          }
+          expect(readLen == FILE_CONTENT.length - 1).assertTrue();
+          fileio.closeSync(file.fd);
+          fileio.unlinkSync(fpath);
+          done();
+      });
+    } catch (e) {
+      console.log('fileIO_test_read_async_005 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_READ_ASYNC_0600
+   * @tc.name fileIO_test_read_async_006
+   * @tc.desc Test read() interface. Promise.
+   * Open the file in read-only mode, reading the file with length = 1.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_read_async_006', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_read_async_006');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      let readLen = await fileIO.read(file.fd, new ArrayBuffer(4096), {
+        length: 3,
+      });
+      expect(readLen == 3).assertTrue();
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_test_read_async_006 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_READ_ASYNC_0700
+   * @tc.name fileIO_test_read_async_007
+   * @tc.desc Test read() interface. Callback.
+   * Open the file in read-only mode, reading the file with length = 1.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_read_async_007', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_read_async_007');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      fileIO.read(file.fd, new ArrayBuffer(4096), {
+          length: 3,
+        }, (err, readLen) => {
+          if(err) {
+            console.log('fileIO_test_read_async_007 err package' + JSON.stringify(err));
+            expect(false).assertTrue();
+          }
+          expect(readLen == 3).assertTrue();
+          fileio.closeSync(file.fd);
+          fileio.unlinkSync(fpath);
+          done();
+      });
+    } catch (e) {
+      console.log('fileIO_test_read_async_007 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_READ_ASYNC_0800
+   * @tc.name fileIO_test_read_async_008
+   * @tc.desc Test read() interfaces. Promise.
+   * Open the file in read-only mode, reading the file with offset > the content of file(Read normal).
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_read_async_008', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_read_async_008');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
     try {
       let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
       let len = await fileIO.read(file.fd, new ArrayBuffer(4096), {
         offset: FILE_CONTENT.length + 1,
       });
-      expect(isIntNum(len)).assertTrue();
+      expect(len == 0).assertTrue();
       fileio.closeSync(file.fd);
       fileio.unlinkSync(fpath);
       done();
     } catch (e) {
-      console.log('fileIO_test_read_async_005 has failed for ' + e.message + ', code: ' + e.code);
+      console.log('fileIO_test_read_async_008 has failed for ' + e.message + ', code: ' + e.code);
       expect(false).assertTrue();
     }
   });
 
   /**
-   * @tc.number SUB_DF_FILEIO_READ_ASYNC_0600
-   * @tc.name fileIO_test_read_async_006
+   * @tc.number SUB_DF_FILEIO_READ_ASYNC_0900
+   * @tc.name fileIO_test_read_async_009
+   * @tc.desc Test read() interfaces. Callback.
+   * Open the file in read-only mode, reading the file with offset > the content of file(Read normal).
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_read_async_009', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_read_async_009');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      fileIO.read(file.fd, new ArrayBuffer(4096), {
+          offset: FILE_CONTENT.length + 1,
+        }, (err, len) => {
+          if(err) {
+            console.log('fileIO_test_read_async_009 err package' + JSON.stringify(err));
+            expect(false).assertTrue();
+          }
+          expect(len == 0).assertTrue();
+          fileio.closeSync(file.fd);
+          fileio.unlinkSync(fpath);
+          done();
+      });
+    } catch (e) {
+      console.log('fileIO_test_read_async_009 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_READ_ASYNC_0100
+   * @tc.name fileIO_test_read_async_010
    * @tc.desc Test read() interfaces.
+   * Open the file in read-only mode, reading the file with offset(position) = 1, length = 11.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
    * @tc.require
    */
-  it('fileIO_test_read_async_006', 0, async function (done) {
+  it('fileIO_test_read_async_010', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_read_async_010');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      let readLen = await fileIO.read(file.fd, new ArrayBuffer(4096), {
+        offset: 1,
+        length: FILE_CONTENT.length,
+      });
+      expect(readLen == FILE_CONTENT.length - 1).assertTrue();
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_test_read_async_010 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_READ_ASYNC_1100
+   * @tc.name fileIO_test_read_async_011
+   * @tc.desc Test read() interfaces. Callback.
+   * Open the file in read-only mode, reading the file with offset(position) = 1, length = 11.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_read_async_011', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_read_async_011');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      fileIO.read(file.fd, new ArrayBuffer(4096), {
+          offset: 1,
+          length: FILE_CONTENT.length,
+        }, (err, readLen) => {
+          if(err) {
+            console.log('fileIO_test_read_async_011 err package: ' + JSON.stringify(err));
+            expect(false).assertTrue();
+          }
+          expect(readLen == FILE_CONTENT.length - 1).assertTrue();
+          fileio.closeSync(file.fd);
+          fileio.unlinkSync(fpath);
+          done();
+      });
+    } catch (e) {
+      console.log('fileIO_test_read_async_011 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_READ_ASYNC_0120
+   * @tc.name fileIO_test_read_async_012
+   * @tc.desc Test read() interfaces. Promise.
+   * Read with invalid fd parameters.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_read_async_012', 0, async function (done) {
     try {
       await fileIO.read(-1, new ArrayBuffer(4096));
       expect(false).assertTrue();
     } catch (e) {
-      console.log('fileIO_test_read_async_006 has failed for ' + e.message + ', code: ' + e.code);
+      console.log('fileIO_test_read_async_012 has failed for ' + e.message + ', code: ' + e.code);
       expect(e.code == 13900008 && e.message == 'Bad file descriptor').assertTrue();
       done();
     }
   });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_READ_ASYNC_1300
+   * @tc.name fileIO_test_read_async_013
+   * @tc.desc Test read() interfaces. Callback.
+   * Read with invalid fd parameters.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_read_async_013', 0, async function (done) {
+    try {
+      fileIO.read(-1, new ArrayBuffer(4096), (err) => {
+        if(err) {
+          console.log('fileIO_test_read_async_013 error package: {' + err.message + ', code: ' + err.code + '}');
+          expect(err.code == 13900008 && err.message == 'Bad file descriptor').assertTrue();
+          done();
+        }
+      });
+    } catch (e) {
+      console.log('fileIO_test_read_async_013 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_READ_ASYNC_1400
+   * @tc.name fileIO_test_read_async_014
+   * @tc.desc Test read() interfaces. Callback.
+   * Read with invalid offset < 0.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_read_async_014', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_read_async_014');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+    let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
+    const invalidOffset = -1;
+
+    try {
+      expect(isIntNum(file.fd)).assertTrue();
+      fileIO.read(file.fd, new ArrayBuffer(4096), {
+          offset: invalidOffset
+        }, () => {
+          expect(false).assertTrue();
+      });
+    } catch (e) {
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+      console.log('fileIO_test_read_async_014 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+      done();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_READ_ASYNC_1500
+   * @tc.name fileIO_test_read_async_015
+   * @tc.desc Test read() interfaces. Callback.
+   * Read with invalid length > size of ArrayBuffer(4096).
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_read_async_015', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_read_async_015');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+    let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
+    const invalidLength = 4097;
+
+    try {
+      expect(isIntNum(file.fd)).assertTrue();
+      fileIO.read(file.fd, new ArrayBuffer(4096), {
+          length: invalidLength
+        }, () => {
+          expect(false).assertTrue();
+      });
+    } catch (e) {
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+      console.log('fileIO_test_read_async_015 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+      done();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_READ_ASYNC_1600
+   * @tc.name fileIO_test_read_async_016
+   * @tc.desc Test read() interfaces. Promise.
+   * Open the file in read-only mode, reading the file with empty option.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_read_async_016', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_read_async_016');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      let readLen = await fileIO.read(file.fd, new ArrayBuffer(4096), {});
+      expect(readLen == FILE_CONTENT.length).assertTrue();
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_test_read_async_016 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_READ_ASYNC_0170
+   * @tc.name fileIO_test_read_async_017
+   * @tc.desc Test read() interfaces. Callback.
+   * Open the file in read-only mode, reading the file with empty option.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_read_async_017', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_read_async_017');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      fileIO.read(file.fd, new ArrayBuffer(4096), {
+        }, (err, readLen) => {
+          if(err) {
+            console.log('fileIO_test_read_async_017 err package ' + JSON.stringify(err));
+            expect(false).assertTrue();
+          }
+          expect(readLen == FILE_CONTENT.length).assertTrue();
+          fileio.closeSync(file.fd);
+          fileio.unlinkSync(fpath);
+          done();
+        });
+    } catch (e) {
+      console.log('fileIO_test_read_async_017 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_READ_ASYNC_0180
+   * @tc.name fileIO_test_read_async_018
+   * @tc.desc Test read() interfaces.
+   * Open the file in read-only mode, reading the file with length = -1(Read normal).
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_read_async_018', 0, async function () {
+    let fpath = await nextFileName('fileIO_test_read_async_018');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+    let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
+
+    try {
+      expect(isIntNum(file.fd)).assertTrue();
+      let readLen = await fileIO.read(file.fd, new ArrayBuffer(4096), {
+        length: -1,
+      })
+      expect(readLen == FILE_CONTENT.length).assertTrue();
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_test_read_async_018 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_READ_ASYNC_0190
+   * @tc.name fileIO_test_read_async_019
+   * @tc.desc Test read() interfaces.
+   * Verify that the Chinese, English, and symbols can be read correctly.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_read_async_019', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_read_async_019');
+    let CONTENT = "<?xml 你好， 世界 hello world>"
+    expect(prepareFile(fpath, CONTENT)).assertTrue();
+
+    try {
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      let buf = new ArrayBuffer(4096);
+      await fileIO.read(file.fd, buf);
+      let textDecoder = new util.TextDecoder("utf-8", { ignoreBOM: true });
+      let resultPut = textDecoder.decodeWithStream(new Uint8Array(buf), { stream: true });
+      expect(resultPut == CONTENT).assertTrue();
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_test_read_async_019 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
 });
 }
diff --git a/storage/storagefileiov9jstest/src/main/js/test/members/write.test.js b/storage/storagefileiov9jstest/src/main/js/test/members/write.test.js
index 38c9767dfa16f054e1ee1158baa6803428ed8988..883c67852aeba1a3f068e1f7bc029ee5b2be262b 100644
--- a/storage/storagefileiov9jstest/src/main/js/test/members/write.test.js
+++ b/storage/storagefileiov9jstest/src/main/js/test/members/write.test.js
@@ -18,13 +18,14 @@ import {
   describe, it, expect,
 } from '../Common';
 
-  export default function fileIOWrite() {
+export default function fileIOWrite() {
   describe('fileIO_fs_write', function () {
 
   /**
    * @tc.number SUB_DF_FILEIO_WRITE_SYNC_0000
    * @tc.name fileIO_test_write_sync_000
    * @tc.desc Test writeSync() interfaces.
+   * Open the file in write-only mode, verifying the normal write function.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
@@ -37,7 +38,9 @@ import {
     try {
       let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
-      expect(fileIO.writeSync(file.fd, FILE_CONTENT) == FILE_CONTENT.length).assertTrue();
+      expect(
+        fileIO.writeSync(file.fd, FILE_CONTENT) 
+        == FILE_CONTENT.length).assertTrue();
       fileio.closeSync(file.fd);
       fileio.unlinkSync(fpath);
     } catch (e) {
@@ -50,6 +53,7 @@ import {
    * @tc.number SUB_DF_FILEIO_WRITE_SYNC_0100
    * @tc.name fileIO_test_write_sync_001
    * @tc.desc Test writeSync() interfaces.
+   * Open the file in write-only mode, writing a string with encoding = 'utf-8'.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
@@ -75,11 +79,11 @@ import {
     }
   });
 
-
   /**
    * @tc.number SUB_DF_FILEIO_WRITE_SYNC_0200
    * @tc.name fileIO_test_write_sync_002
    * @tc.desc Test writeSync() interfaces.
+   * Open the file in write-only mode, writing a string from offset(position) = 1.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
@@ -94,9 +98,9 @@ import {
       expect(isIntNum(file.fd)).assertTrue();
       expect(
         fileIO.writeSync(file.fd, FILE_CONTENT, {
-          length: FILE_CONTENT.length - 1,
+          offset: 1,
         })
-        == FILE_CONTENT.length - 1).assertTrue();
+        == FILE_CONTENT.length).assertTrue();
       fileio.closeSync(file.fd);
       fileio.unlinkSync(fpath);
     } catch (e) {
@@ -109,6 +113,7 @@ import {
    * @tc.number SUB_DF_FILEIO_WRITE_SYNC_0300
    * @tc.name fileIO_test_write_sync_003
    * @tc.desc Test writeSync() interfaces.
+   * Open the file in write-only mode, writing a string of length = 1.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
@@ -138,29 +143,29 @@ import {
    * @tc.number SUB_DF_FILEIO_WRITE_SYNC_0400
    * @tc.name fileIO_test_write_sync_004
    * @tc.desc Test writeSync() interfaces.
+   * Open the file in write-only mode, writing a string of length = 1 and offset(position) = 1.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
    * @tc.require
    */
-  it('fileIO_test_write_sync_004', 0, async function () {
-    let fpath = await nextFileName('fileIO_test_write_sync_004');
+   it('fileio_test_write_sync_004', 0, async function () {
+    let fpath = await nextFileName('fileio_test_write_sync_004');
     expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
-    const invalidLength = 9999;
-    let file;
-
     try {
-      file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
-      fileIO.writeSync(file.fd, FILE_CONTENT, {
-        length: invalidLength,
-      })
-      expect(false).assertTrue();
-    } catch (e) {
+      expect(
+        fileIO.writeSync(file.fd, FILE_CONTENT, {
+          offset: 1,
+          length: 1,
+        })
+        == 1).assertTrue();
       fileio.closeSync(file.fd);
       fileio.unlinkSync(fpath);
-      console.info('fileIO_test_write_sync_004 has failed for ' + e.message + ', code: ' + e.code);
-      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+    } catch (e) {
+      console.log('fileio_test_write_sync_004 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
     }
   });
 
@@ -168,18 +173,30 @@ import {
    * @tc.number SUB_DF_FILEIO_WRITE_SYNC_0500
    * @tc.name fileIO_test_write_sync_005
    * @tc.desc Test writeSync() interfaces.
+   * Open the file in write-only mode, writing a string of length = 1, offset(position) = 1, encoding = 'utf-8'.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
    * @tc.require
    */
-  it('fileIO_test_write_sync_005', 0, function () {
+   it('fileIO_test_write_sync_005', 0, async function () {
+    let fpath = await nextFileName('fileIO_test_write_sync_005');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
     try {
-      fileIO.writeSync(-1, FILE_CONTENT);
-      expect(false).assertTrue();
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      expect(
+        fileIO.writeSync(file.fd, FILE_CONTENT, {
+          offset: 1,
+          length: 5,
+          encoding: 'utf-8',
+        })
+        == 5).assertTrue();
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
     } catch (e) {
       console.log('fileIO_test_write_sync_005 has failed for ' + e.message + ', code: ' + e.code);
-      expect(e.code == 13900008 && e.message == 'Bad file descriptor').assertTrue();
+      expect(null).assertFail();
     }
   });
 
@@ -187,6 +204,7 @@ import {
    * @tc.number SUB_DF_FILEIO_WRITE_SYNC_0600
    * @tc.name fileIO_test_write_sync_006
    * @tc.desc Test writeSync() interfaces.
+   * Write with invalid 'length' option.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
@@ -195,6 +213,55 @@ import {
   it('fileIO_test_write_sync_006', 0, async function () {
     let fpath = await nextFileName('fileIO_test_write_sync_006');
     expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+    let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
+    
+    try {
+      expect(isIntNum(file.fd)).assertTrue();
+      const invalidLength = 9999;
+      fileIO.writeSync(file.fd, FILE_CONTENT, { length: invalidLength })
+      expect(false).assertTrue();
+    } catch (e) {
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+      console.info('fileIO_test_write_sync_006 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_WRITE_SYNC_0700
+   * @tc.name fileIO_test_write_sync_007
+   * @tc.desc Test writeSync() interfaces.
+   * Write with invalid fd parameters.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_write_sync_007', 0, function () {
+
+    try {
+      fileIO.writeSync(-1, FILE_CONTENT);
+      expect(false).assertTrue();
+    } catch (e) {
+      console.log('fileIO_test_write_sync_007 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900008 && e.message == 'Bad file descriptor').assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_WRITE_SYNC_0800
+   * @tc.name fileIO_test_write_sync_008
+   * @tc.desc Test writeSync() interfaces.
+   * Open the file in write-only mode, writing an ArrayBuffer(4096).
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_write_sync_008', 0, async function () {
+    let fpath = await nextFileName('fileIO_test_write_sync_008');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
 
     try {
       let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
@@ -204,33 +271,91 @@ import {
       fileio.closeSync(file.fd);
       fileio.unlinkSync(fpath);
     } catch (e) {
-      console.log('fileIO_test_write_sync_006 has failed for ' + e.message + ', code: ' + e.code);
+      console.log('fileIO_test_write_sync_008 has failed for ' + e.message + ', code: ' + e.code);
       expect(false).assertTrue();
     }
   });
 
+  /**
+   * @tc.number SUB_DF_FILEIO_WRITE_SYNC_0900
+   * @tc.name fileIO_test_write_sync_009
+   * @tc.desc Test writeSync() interfaces.
+   * Write with invalid 'length' option.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_write_sync_009', 0, async function () {
+    let fpath = await nextFileName('fileIO_test_write_sync_009');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+    let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
+    
+    try {
+      expect(isIntNum(file.fd)).assertTrue();
+      const invalidLength = 4097;
+      fileIO.writeSync(file.fd, new ArrayBuffer(4096), { length: invalidLength })
+      expect(false).assertTrue();
+    } catch (e) {
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+      console.info('fileIO_test_write_sync_009 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_WRITE_SYNC_1000
+   * @tc.name fileIO_test_write_sync_010
+   * @tc.desc Test writeSync() interfaces.
+   * Write with invalid 'offset' option.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_write_sync_010', 0, async function () {
+    let fpath = await nextFileName('fileIO_test_write_sync_010');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+    let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
+    
+    try {
+      expect(isIntNum(file.fd)).assertTrue();
+      const invalidOffset = -1;
+      fileIO.writeSync(file.fd, FILE_CONTENT, { offset: invalidOffset });
+      expect(false).assertTrue();
+    } catch (e) {
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+      console.info('fileIO_test_write_sync_010 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+    }
+  });
+
   /**
    * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_0000
    * @tc.name fileIO_test_write_async_000
-   * @tc.desc Test write() interfaces.
+   * @tc.desc Test write() interfaces. Promise.
+   * Open the file in write-only mode, verifying the normal write function.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
    * @tc.require
    */
-  it('fileIO_write_async_000', 0, async function (done) {
-    let fpath = await nextFileName('fileIO_write_async_000');
+  it('fileIO_test_write_async_000', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_write_async_000');
     expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
 
     try {
       let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
-      expect(await fileIO.write(file.fd, FILE_CONTENT) == FILE_CONTENT.length).assertTrue();
+      let writeLen = await fileIO.write(file.fd, FILE_CONTENT);
+      expect(writeLen == FILE_CONTENT.length).assertTrue();
       fileio.closeSync(file.fd);
       fileio.unlinkSync(fpath);
       done();
     } catch (e) {
-      console.log('fileIO_write_async_000 has failed for ' + e.message + ', code: ' + e.code);
+      console.log('fileIO_test_write_async_000 has failed for ' + e.message + ', code: ' + e.code);
       expect(false).assertTrue();
     }
   });
@@ -238,7 +363,8 @@ import {
   /**
    * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_0100
    * @tc.name fileIO_test_write_async_001
-   * @tc.desc Test write() interfaces.
+   * @tc.desc Test write() interfaces. Callback.
+   * Open the file in write-only mode, verifying the normal write function.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
@@ -251,10 +377,8 @@ import {
     try {
       let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
-      let writeNum = await fileIO.write(file.fd, FILE_CONTENT, {
-        length: 3,
-      });
-      expect(writeNum == 3).assertTrue();
+      let writeLen = await fileIO.write(file.fd, FILE_CONTENT);
+      expect(writeLen == FILE_CONTENT.length).assertTrue();
       fileio.closeSync(file.fd);
       fileio.unlinkSync(fpath);
       done();
@@ -267,7 +391,8 @@ import {
   /**
    * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_0200
    * @tc.name fileIO_test_write_async_002
-   * @tc.desc Test write() interfaces.
+   * @tc.desc Test write() interfaces. Promise.
+   * Open the file in read-only mode, verifying that it is not writable.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
@@ -276,28 +401,26 @@ import {
   it('fileIO_test_write_async_002', 0, async function (done) {
     let fpath = await nextFileName('fileIO_test_write_async_002');
     expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+    let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
 
     try {
-      let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
-      let writeNum = await fileIO.write(file.fd, FILE_CONTENT, {
-        length: 3,
-        offset: 5,
-      });
-      expect(writeNum == 3).assertTrue();
+      await fileIO.write(file.fd, FILE_CONTENT);
+      expect(false).assertTrue();
+    } catch (e) {
       fileio.closeSync(file.fd);
       fileio.unlinkSync(fpath);
-      done();
-    } catch (e) {
       console.log('fileIO_test_write_async_002 has failed for ' + e.message + ', code: ' + e.code);
-      expect(false).assertTrue();
+      expect(e.code == 13900008 && e.message == 'Bad file descriptor').assertTrue();
+      done();
     }
   });
 
   /**
    * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_0300
    * @tc.name fileIO_test_write_async_003
-   * @tc.desc Test write() interfaces.
+   * @tc.desc Test write() interfaces. Callback.
+   * Open the file in read-only mode, verifying that it is not writable.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
@@ -306,19 +429,19 @@ import {
   it('fileIO_test_write_async_003', 0, async function (done) {
     let fpath = await nextFileName('fileIO_test_write_async_003');
     expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+    let file = fileIO.openSync(fpath, fileIO.OpenMode.READ_ONLY);
 
     try {
-      let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
-      let writeNum = await fileIO.write(file.fd, FILE_CONTENT, {
-        length: 4,
-        offset: 5,
-        encoding: 'utf-8',
+      fileIO.write(file.fd, FILE_CONTENT, (err) => {
+        if(err) {
+          fileio.closeSync(file.fd);
+          fileio.unlinkSync(fpath);
+          console.log('fileIO_test_write_async_003 error package: {' + err.message + ', code: ' + err.code + '}');
+          expect(err.code == 13900008 && err.message == 'Bad file descriptor').assertTrue();
+          done();
+        }
       });
-      expect(writeNum == 4).assertTrue();
-      fileio.closeSync(file.fd);
-      fileio.unlinkSync(fpath);
-      done();
     } catch (e) {
       console.log('fileIO_test_write_async_003 has failed for ' + e.message + ', code: ' + e.code);
       expect(false).assertTrue();
@@ -328,7 +451,8 @@ import {
   /**
    * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_0400
    * @tc.name fileIO_test_write_async_004
-   * @tc.desc Test write() interfaces.
+   * @tc.desc Test write() interfaces. Promise.
+   * Open the file in write-only mode, writing a string of length = 3.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
@@ -341,15 +465,12 @@ import {
     try {
       let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
-      await fileIO.write(file.fd, new ArrayBuffer(4096), function (
-        error,
-        bytesWritten
-      ) {
-          expect(bytesWritten == 4096).assertTrue();
-          fileio.closeSync(file.fd);
-          fileio.unlinkSync(fpath);
-        }
-      );
+      let bytesWritten = await fileIO.write(file.fd, FILE_CONTENT, {
+        length: 3,
+      });
+      expect(bytesWritten == 3).assertTrue();
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
       done();
     } catch (e) {
       console.log('fileIO_test_write_async_004 has failed for ' + e.message + ', code: ' + e.code);
@@ -360,31 +481,30 @@ import {
   /**
    * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_0500
    * @tc.name fileIO_test_write_async_005
-   * @tc.desc Test write() interfaces.
+   * @tc.desc Test write() interfaces. Callback.
+   * Open the file in write-only mode, writing a string of length = 3.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
    * @tc.require
    */
-  it('fileIO_test_write_async_005', 0, async function (done) {
+   it('fileIO_test_write_async_005', 0, async function (done) {
     let fpath = await nextFileName('fileIO_test_write_async_005');
     expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
 
     try {
       let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
-      await fileIO.write(
-        file.fd,
-        FILE_CONTENT,
-        {
-          length: 5,
-        }, function (error, bytesWritten) {
-          expect(bytesWritten == 5).assertTrue();
-          fileio.closeSync(file.fd);
-          fileio.unlinkSync(fpath);
-          done();
+      fileIO.write(file.fd, FILE_CONTENT, { length: 3 }, (err, bytesWritten) => {
+        if(err) {
+          console.log('fileIO_test_write_async_005 err package: ' + JSON.stringify(err));
+          expect(false).assertTrue();
         }
-      );
+        expect(bytesWritten == 3).assertTrue();
+        fileio.closeSync(file.fd);
+        fileio.unlinkSync(fpath);
+        done();
+      });
     } catch (e) {
       console.log('fileIO_test_write_async_005 has failed for ' + e.message + ', code: ' + e.code);
       expect(false).assertTrue();
@@ -394,62 +514,193 @@ import {
   /**
    * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_0600
    * @tc.name fileIO_test_write_async_006
-   * @tc.desc Test write() interfaces.
+   * @tc.desc Test write() interfaces. Promise.
+   * Open the file in write-only mode, writing a string from offset(position) = 5.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
    * @tc.require
    */
-  it('fileIO_test_write_async_006', 0, async function (done) {
+   it('fileIO_test_write_async_006', 0, async function (done) {
     let fpath = await nextFileName('fileIO_test_write_async_006');
     expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
 
     try {
       let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
-      await fileIO.write(
-        file.fd,
-        FILE_CONTENT,
-        {
-          length: 5,
+      let writeNum = await fileIO.write(file.fd, FILE_CONTENT, {
+        offset: 5,
+      });
+      expect(writeNum == FILE_CONTENT.length).assertTrue();
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_test_write_async_006 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_0700
+   * @tc.name fileIO_test_write_async_007
+   * @tc.desc Test write() interfaces. Callback.
+   * Open the file in write-only mode, writing a string from offset(position) = 5.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+   it('fileIO_test_write_async_007', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_write_async_007');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      fileIO.write(file.fd, FILE_CONTENT, {
+        offset: 5
+        }, (err, bytesWritten) => {
+          if(err) {
+            console.log('fileIO_test_write_async_007 err package: ' + JSON.stringify(err));
+            expect(false).assertTrue();
+          }
+          expect(bytesWritten == FILE_CONTENT.length).assertTrue();
+          fileio.closeSync(file.fd);
+          fileio.unlinkSync(fpath);
+          done();
+        });
+    } catch (e) {
+      console.log('fileIO_test_write_async_007 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_0800
+   * @tc.name fileIO_test_write_async_008
+   * @tc.desc Test write() interfaces. Promise.
+   * Open the file in write-only mode, writing a string of with length = 3 and offset = 5.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_write_async_008', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_write_async_008');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      let writeNum = await fileIO.write(file.fd, FILE_CONTENT, {
+        length: 3,
+        offset: 5,
+      });
+      expect(writeNum == 3).assertTrue();
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_test_write_async_008 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_0900
+   * @tc.name fileIO_test_write_async_009
+   * @tc.desc Test write() interfaces. Callback.
+   * Open the file in write-only mode, writing a string of with length = 3 and offset = 5.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_write_async_009', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_write_async_009');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      fileIO.write(file.fd, FILE_CONTENT, {
+          length: 3,
           offset: 5,
-        }, function (error, bytesWritten) {
-          expect(bytesWritten == 5).assertTrue();
+        }, (err, writeNum) => {
+          if(err) {
+            console.log('fileIO_test_write_async_009 err package: ' + JSON.stringify(err));
+            expect(false).assertTrue();
+          }
+          expect(writeNum == 3).assertTrue();
           fileio.closeSync(file.fd);
           fileio.unlinkSync(fpath);
           done();
-        }
-      );
+        });
     } catch (e) {
-      console.log('fileIO_test_write_async_006 has failed for ' + e.message + ', code: ' + e.code);
+      console.log('fileIO_test_write_async_009 has failed for ' + e.message + ', code: ' + e.code);
       expect(false).assertTrue();
     }
   });
 
   /**
-   * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_0700
-   * @tc.name fileIO_test_write_async_007
+   * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_1000
+   * @tc.name fileIO_test_write_async_010
    * @tc.desc Test write() interfaces.
+   * Open the file in write-only mode, writing a string of with length = 3, offset = 5 and encoding = 'utf-8'.
    * @tc.size MEDIUM
    * @tc.type Functoin
    * @tc.level Level 0
    * @tc.require
    */
-  it('fileIO_test_write_async_007', 0, async function (done) {
-    let fpath = await nextFileName('fileIO_test_write_async_007');
+   it('fileIO_test_write_async_010', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_write_async_010');
     expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
 
     try {
       let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
       expect(isIntNum(file.fd)).assertTrue();
-      await fileIO.write(
-        file.fd,
-        FILE_CONTENT,
-        {
+      let writeNum = await fileIO.write(file.fd, FILE_CONTENT, {
+        length: 4,
+        offset: 5,
+        encoding: 'utf-8',
+      });
+      expect(writeNum == 4).assertTrue();
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_test_write_async_010 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_1100
+   * @tc.name fileIO_test_write_async_011
+   * @tc.desc Test write() interfaces. Callback.
+   * Open the file in write-only mode, writing a string of with length = 3, offset = 5 and encoding = 'utf-8'.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+   it('fileIO_test_write_async_011', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_write_async_011');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      fileIO.write(file.fd, FILE_CONTENT, {
           length: 5,
           offset: 5,
           encoding: 'utf-8',
-        }, function (error, bytesWritten) {
+        }, (err, bytesWritten) => {
+          if(err) {
+            console.log('fileIO_test_write_async_011 err package: ' + JSON.stringify(err));
+            expect(false).assertTrue();
+          }
           expect(bytesWritten == 5).assertTrue();
           fileio.closeSync(file.fd);
           fileio.unlinkSync(fpath);
@@ -457,9 +708,281 @@ import {
         }
       );
     } catch (e) {
-      console.log('fileIO_test_write_async_007 has failed for ' + e.message + ', code: ' + e.code);
+      console.log('fileIO_test_write_async_011 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_1200
+   * @tc.name fileIO_test_write_async_012
+   * @tc.desc Test write() interfaces. Promise.
+   * Open the file in write-only mode, writing an ArrayBuffer(4096).
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+   it('fileIO_test_write_async_012', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_write_async_012');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      let bytesWritten = await fileIO.write(file.fd, new ArrayBuffer(4096));
+      expect(bytesWritten == 4096).assertTrue();
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_test_write_async_012 has failed for ' + e.message + ', code: ' + e.code);
       expect(false).assertTrue();
     }
   });
-});
+
+  /**
+   * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_1300
+   * @tc.name fileIO_test_write_async_013
+   * @tc.desc Test write() interfaces. Callback.
+   * Open the file in write-only mode, writing an ArrayBuffer(4096).
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_write_async_013', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_write_async_013');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      fileIO.write(file.fd, new ArrayBuffer(4096), (err, bytesWritten) => {
+        if(err) {
+          console.log('fileIO_test_write_async_013 err package: ' + JSON.stringify(err));
+          expect(false).assertTrue();
+        }
+        expect(bytesWritten == 4096).assertTrue();
+        fileio.closeSync(file.fd);
+        fileio.unlinkSync(fpath);
+        done();
+      });
+    } catch (e) {
+      console.log('fileIO_test_write_async_013 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+    /**
+   * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_1400
+   * @tc.name fileIO_test_write_async_014
+   * @tc.desc Test write() interfaces. Promise.
+   * Open the file in write-only mode, writing a string with empty option parameters.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_write_async_014', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_write_async_014');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      let bytesWritten = await fileIO.write(file.fd, FILE_CONTENT, {});
+      expect(bytesWritten == FILE_CONTENT.length).assertTrue();
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_test_write_async_014 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_1500
+   * @tc.name fileIO_test_write_async_015
+   * @tc.desc Test write() interfaces. Callback.
+   * Open the file in write-only mode, writing a string with empty option parameters.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_write_async_015', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_write_async_015');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
+      expect(isIntNum(file.fd)).assertTrue();
+      fileIO.write(file.fd, new ArrayBuffer(4096), {
+        }, (err, bytesWritten) => {
+          if(err) {
+            console.log('fileIO_test_write_async_015 err package ' + JSON.stringify(err));
+            expect(false).assertTrue();
+          }
+          expect(bytesWritten == 4096).assertTrue();
+          fileio.closeSync(file.fd);
+          fileio.unlinkSync(fpath);
+          done();
+        });
+    } catch (e) {
+      console.log('fileIO_test_write_async_015 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_1600
+   * @tc.name fileIO_test_write_async_016
+   * @tc.desc Test write() interfaces. Promise.
+   * Write with invalid fd parameters.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+   it('fileIO_test_write_async_016', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_write_async_016');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      await fileIO.write(-1, FILE_CONTENT);
+      expect(false).assertTrue();
+    } catch (e) {
+      fileio.unlinkSync(fpath);
+      console.log('fileIO_test_write_async_016 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900008 && e.message == 'Bad file descriptor').assertTrue();
+      done();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_1700
+   * @tc.name fileIO_test_write_async_017
+   * @tc.desc Test write() interfaces. Callback.
+   * Write with invalid fd parameters.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_write_async_017', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_write_async_017');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.write(-1, FILE_CONTENT, (err) => {
+        if(err) {
+          fileio.unlinkSync(fpath);
+          console.log('fileIO_test_open_async_020 error package: {' + err.message + ', code: ' + err.code + '}');
+          expect(err.code == 13900008 && err.message == 'Bad file descriptor').assertTrue();
+          done();
+        }
+      });
+    } catch (e) {
+      console.log('fileIO_test_write_async_017 has failed for ' + e.message + ', code: ' + e.code);
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_1800
+   * @tc.name fileIO_test_write_async_018
+   * @tc.desc Test write() interfaces. Callback.
+   * Write with invalid length parameters.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_write_async_018', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_write_async_018');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+    let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
+    
+    try {
+      expect(isIntNum(file.fd)).assertTrue();
+      const invalidLength = 9999;
+      fileIO.write(file.fd, FILE_CONTENT, {
+          length: invalidLength,
+        }, () => {
+          expect(false).assertTrue();
+      })
+    } catch (e) {
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+      console.info('fileIO_test_write_async_018 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+      done();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_1900
+   * @tc.name fileIO_test_write_async_019
+   * @tc.desc Test write() interfaces. Callback.
+   * Write with invalid length parameters.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_write_async_019', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_write_async_019');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+    let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
+    
+    try {
+      expect(isIntNum(file.fd)).assertTrue();
+      const invalidLength = 4097;
+      fileIO.write(file.fd, new ArrayBuffer(4096), {
+        length: invalidLength,
+        }, () => {
+          expect(false).assertTrue();
+      })
+    } catch (e) {
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+      console.info('fileIO_test_write_async_019 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+      done();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_WRITE_ASYNC_2000
+   * @tc.name fileIO_test_write_async_020
+   * @tc.desc Test write() interfaces. Callback.
+   * Write with invalid length parameters.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_write_async_020', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_write_async_020');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+    let file = fileIO.openSync(fpath, fileIO.OpenMode.WRITE_ONLY);
+    
+    try {
+      expect(isIntNum(file.fd)).assertTrue();
+      const invalidOffset = -1;
+      fileIO.write(file.fd, FILE_CONTENT, {
+          offset: invalidOffset,
+        }, () => {
+          expect(false).assertTrue();
+      })
+    } catch (e) {
+      fileio.closeSync(file.fd);
+      fileio.unlinkSync(fpath);
+      console.info('fileIO_test_write_async_020 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+      done();
+    }
+  });
+})
 }