diff --git a/en/application-dev/reference/apis/js-apis-file-fs.md b/en/application-dev/reference/apis/js-apis-file-fs.md
index 706d98e0899f48095b30e456a8fa206dae997fb8..806f2178ad1017606abfcbdbaa6edeefecbf07b4 100644
--- a/en/application-dev/reference/apis/js-apis-file-fs.md
+++ b/en/application-dev/reference/apis/js-apis-file-fs.md
@@ -5,6 +5,7 @@ The **fs** module provides APIs for file operations, including basic file manage
 > **NOTE**
 >
 > - The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.
+>
 > - The APIs of this module support processing of error codes. For details, see [File Management Error Codes](../errorcodes/errorcode-filemanagement.md).
 
 ## Modules to Import
@@ -59,9 +60,9 @@ Obtains detailed file information. This API uses a promise to return the result.
 
 **Return value**
 
-| Type                          | Description        |
-| ---------------------------- | ---------- |
-| Promise<[Stat](#stat)> | Promise used to return the file information obtained.|
+  | Type                          | Description        |
+  | ---------------------------- | ---------- |
+  | Promise<[Stat](#stat)> | Promise used to return the file information obtained.|
 
 **Example**
 
@@ -118,9 +119,9 @@ Obtains detailed file information synchronously.
 
 **Return value**
 
-| Type           | Description        |
-| ------------- | ---------- |
-| [Stat](#stat) | File information obtained.|
+  | Type           | Description        |
+  | ------------- | ---------- |
+  | [Stat](#stat) | File information obtained.|
 
 **Example**
 
@@ -145,9 +146,9 @@ Checks whether a file exists. This API uses a promise to return the result.
 
 **Return value**
 
-| Type                 | Description                          |
-| ------------------- | ---------------------------- |
-| Promise<boolean> | Promise used to return a Boolean value.|
+  | Type                 | Description                          |
+  | ------------------- | ---------------------------- |
+  | Promise<boolean> | Promise used to return a Boolean value.|
 
 **Example**
 
@@ -232,15 +233,15 @@ Closes a file. This API uses a promise to return the result.
 
 **Parameters**
 
-| Name | Type    | Mandatory  | Description          |
-| ---- | ------ | ---- | ------------ |
-| file   | [File](#file)\|number | Yes   | File object or FD of the file to close.|
+  | Name | Type    | Mandatory  | Description          |
+  | ---- | ------ | ---- | ------------ |
+  | file   | [File](#file)\|number | Yes   | File object or FD of the file to close.|
 
 **Return value**
 
-| Type                 | Description                          |
-| ------------------- | ---------------------------- |
-| Promise<void> | Promise that returns no value.|
+  | Type                 | Description                          |
+  | ------------------- | ---------------------------- |
+  | Promise<void> | Promise that returns no value.|
 
 **Example**
 
@@ -265,10 +266,10 @@ Closes a file. This API uses an asynchronous callback to return the result.
 
 **Parameters**
 
-| Name     | Type                       | Mandatory  | Description          |
-| -------- | ------------------------- | ---- | ------------ |
-| file       | [File](#file)\|number                  | Yes   | File object or FD of the file to close.|
-| callback | AsyncCallback<void> | Yes   | Callback invoked when the file is closed asynchronously.|
+  | Name     | Type                       | Mandatory  | Description          |
+  | -------- | ------------------------- | ---- | ------------ |
+  | file       | [File](#file)\|number                  | Yes   | File object or FD of the file to close.|
+  | callback | AsyncCallback<void> | Yes   | Callback invoked when the file is closed asynchronously.|
 
 **Example**
 
@@ -294,9 +295,9 @@ Synchronously closes a file.
 
 **Parameters**
 
-| Name | Type    | Mandatory  | Description          |
-| ---- | ------ | ---- | ------------ |
-| file   | [File](#file)\|number | Yes   | File object or FD of the file to close.|
+  | Name | Type    | Mandatory  | Description          |
+  | ---- | ------ | ---- | ------------ |
+  | file   | [File](#file)\|number | Yes   | File object or FD of the file to close.|
 
 **Example**
 
@@ -316,17 +317,17 @@ Copies a file. This API uses a promise to return the result.
 
 **Parameters**
 
-| Name | Type                        | Mandatory  | Description                                      |
-| ---- | -------------------------- | ---- | ---------------------------------------- |
-| src  | string\|number | Yes   | Path or FD of the file to copy.                     |
-| dest | string\|number | Yes   | Destination path of the file or FD of the file created.                         |
-| mode | number                     | No   | Whether to overwrite the file of the same name in the destination path. The default value is **0**, which is the only value supported.<br>**0**: overwrite the file of the same name.|
+  | Name | Type                        | Mandatory  | Description                                      |
+  | ---- | -------------------------- | ---- | ---------------------------------------- |
+  | src  | string\|number | Yes   | Path or FD of the file to copy.                     |
+  | dest | string\|number | Yes   | Destination path of the file or FD of the file created.                         |
+  | mode | number                     | No   | Whether to overwrite the file of the same name in the destination path. The default value is **0**, which is the only value supported.<br>**0**: overwrite the file of the same name.|
 
 **Return value**
 
-| Type                 | Description                          |
-| ------------------- | ---------------------------- |
-| Promise&lt;void&gt; | Promise that returns no value.|
+  | Type                 | Description                          |
+  | ------------------- | ---------------------------- |
+  | Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -350,12 +351,12 @@ Copies a file. This API uses an asynchronous callback to return the result.
 
 **Parameters**
 
-| Name     | Type                        | Mandatory  | Description                                      |
-| -------- | -------------------------- | ---- | ---------------------------------------- |
-| src      | string\|number | Yes   | Path or FD of the file to copy.                     |
-| dest     | string\|number | Yes   | Destination path of the file or FD of the file created.                         |
-| mode     | number                     | No   | Whether to overwrite the file of the same name in the destination path. The default value is **0**, which is the only value supported.<br>**0**: overwrite the file with the same name and truncate the part that is not overwritten.|
-| callback | AsyncCallback&lt;void&gt;  | Yes   | Callback invoked when the file is copied asynchronously.                            |
+  | Name     | Type                        | Mandatory  | Description                                      |
+  | -------- | -------------------------- | ---- | ---------------------------------------- |
+  | src      | string\|number | Yes   | Path or FD of the file to copy.                     |
+  | dest     | string\|number | Yes   | Destination path of the file or FD of the file created.                         |
+  | mode     | number                     | No   | Whether to overwrite the file of the same name in the destination path. The default value is **0**, which is the only value supported.<br>**0**: overwrite the file with the same name and truncate the part that is not overwritten.|
+  | callback | AsyncCallback&lt;void&gt;  | Yes   | Callback invoked when the file is copied asynchronously.                            |
 
 **Example**
 
@@ -382,11 +383,11 @@ Synchronously copies a file.
 
 **Parameters**
 
-| Name | Type                        | Mandatory  | Description                                      |
-| ---- | -------------------------- | ---- | ---------------------------------------- |
-| src  | string\|number | Yes   | Path or FD of the file to copy.                     |
-| dest | string\|number | Yes   | Destination path of the file or FD of the file created.                         |
-| mode | number                     | No   | Whether to overwrite the file of the same name in the destination path. The default value is **0**, which is the only value supported.<br>**0**: overwrite the file with the same name and truncate the part that is not overwritten.|
+  | Name | Type                        | Mandatory  | Description                                      |
+  | ---- | -------------------------- | ---- | ---------------------------------------- |
+  | src  | string\|number | Yes   | Path or FD of the file to copy.                     |
+  | dest | string\|number | Yes   | Destination path of the file or FD of the file created.                         |
+  | mode | number                     | No   | Whether to overwrite the file of the same name in the destination path. The default value is **0**, which is the only value supported.<br>**0**: overwrite the file with the same name and truncate the part that is not overwritten.|
 
 **Example**
 
@@ -413,9 +414,9 @@ Creates a directory. This API uses a promise to return the result.
 
 **Return value**
 
-| Type                 | Description                          |
-| ------------------- | ---------------------------- |
-| Promise&lt;void&gt; | Promise that returns no value.|
+  | Type                 | Description                          |
+  | ------------------- | ---------------------------- |
+  | Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -497,9 +498,9 @@ Opens a file. This API uses a promise to return the result. File uniform resourc
 
 **Return value**
 
-| Type                   | Description         |
-| --------------------- | ----------- |
-| Promise&lt;[File](#file)&gt; | Promise used to return the file object.|
+  | Type                   | Description         |
+  | --------------------- | ----------- |
+  | Promise&lt;[File](#file)&gt; | Promise used to return the file object.|
 
 **Example**
 
@@ -558,9 +559,9 @@ Synchronously opens a file. File URIs are supported.
 
 **Return value**
 
-| Type    | Description         |
-| ------ | ----------- |
-| [File](#file) | File object opened.|
+  | Type    | Description         |
+  | ------ | ----------- |
+  | [File](#file) | File object opened.|
 
 **Example**
 
@@ -589,9 +590,9 @@ Reads data from a file. This API uses a promise to return the result.
 
 **Return value**
 
-| Type                                | Description    |
-| ---------------------------------- | ------ |
-| Promise&lt;number&gt; | Promise used to return the data read.|
+  | Type                                | Description    |
+  | ---------------------------------- | ------ |
+  | Promise&lt;number&gt; | Promise used to return the data read.|
 
 **Example**
 
@@ -618,12 +619,12 @@ Reads data from a file. This API uses an asynchronous callback to return the res
 
 **Parameters**
 
-| Name     | Type                                      | Mandatory  | Description                                      |
-| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
-| fd       | number                                   | Yes   | FD of the file.                            |
-| buffer   | ArrayBuffer                              | Yes   | Buffer used to store the file data read.                       |
-| options | Object      | No  | The options are as follows:<br>- **offset** (number): position of the data to read in the file. This parameter is optional. By default, data is read from the current position.<br>- **length** (number): length of the data to read. This parameter is optional. The default value is the buffer length.|
-| callback | AsyncCallback&lt;number&gt; | Yes   | Callback invoked when the data is read asynchronously.                            |
+  | Name     | Type                                      | Mandatory  | Description                                      |
+  | -------- | ---------------------------------------- | ---- | ---------------------------------------- |
+  | fd       | number                                   | Yes   | FD of the file.                            |
+  | buffer   | ArrayBuffer                              | Yes   | Buffer used to store the file data read.                       |
+  | options | Object      | No  | The options are as follows:<br>- **offset** (number): position of the data to read in the file. This parameter is optional. By default, data is read from the current position.<br>- **length** (number): length of the data to read. This parameter is optional. The default value is the buffer length.|
+  | callback | AsyncCallback&lt;number&gt; | Yes   | Callback invoked when the data is read asynchronously.                            |
 
 **Example**
 
@@ -653,17 +654,17 @@ Synchronously reads data from a file.
 
 **Parameters**
 
-| Name    | Type         | Mandatory  | Description                                      |
-| ------- | ----------- | ---- | ---------------------------------------- |
-| fd      | number      | Yes   | FD of the file.                            |
-| buffer  | ArrayBuffer | Yes   | Buffer used to store the file data read.                       |
-| options | Object      | No  | The options are as follows:<br>- **offset** (number): position of the data to read in the file. This parameter is optional. By default, data is read from the current position.<br>- **length** (number): length of the data to read. This parameter is optional. The default value is the buffer length.|
+  | Name    | Type         | Mandatory  | Description                                      |
+  | ------- | ----------- | ---- | ---------------------------------------- |
+  | fd      | number      | Yes   | FD of the file.                            |
+  | buffer  | ArrayBuffer | Yes   | Buffer used to store the file data read.                       |
+  | options | Object      | No  | The options are as follows:<br>- **offset** (number): position of the data to read in the file. This parameter is optional. By default, data is read from the current position.<br>- **length** (number): length of the data to read. This parameter is optional. The default value is the buffer length.|
 
 **Return value**
 
-| Type    | Description      |
-| ------ | -------- |
-| number | Length of the data read.|
+  | Type    | Description      |
+  | ------ | -------- |
+  | number | Length of the data read.|
 
 **Example**
 
@@ -692,9 +693,9 @@ Deletes a directory. This API uses a promise to return the result.
 
 **Return value**
 
-| Type                 | Description                          |
-| ------------------- | ---------------------------- |
-| Promise&lt;void&gt; | Promise that returns no value.|
+  | Type                 | Description                          |
+  | ------------------- | ---------------------------- |
+  | Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -775,9 +776,9 @@ Deletes a file. This API uses a promise to return the result.
 
 **Return value**
 
-| Type                 | Description                          |
-| ------------------- | ---------------------------- |
-| Promise&lt;void&gt; | Promise that returns no value.|
+  | Type                 | Description                          |
+  | ------------------- | ---------------------------- |
+  | Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -852,17 +853,17 @@ Writes data into a file. This API uses a promise to return the result.
 
 **Parameters**
 
-| Name    | Type                             | Mandatory  | Description                                      |
-| ------- | ------------------------------- | ---- | ---------------------------------------- |
-| fd      | number                          | Yes   | FD of the file.                            |
-| buffer  | ArrayBuffer\|string | Yes   | Data to write. It can be a string or data from a buffer.                    |
-| options | Object                          | No   | The options are as follows:<br>- **offset** (number): start position to write the data in the file. This parameter is optional. By default, data is written from the current position.<br>- **length** (number): length of the data to write. This parameter is optional. The default value is the buffer length.<br>- **encoding** (string): format of the data to be encoded when the data is a string. The default value is **'utf-8'**, which is the only value supported.|
+  | Name    | Type                             | Mandatory  | Description                                      |
+  | ------- | ------------------------------- | ---- | ---------------------------------------- |
+  | fd      | number                          | Yes   | FD of the file.                            |
+  | buffer  | ArrayBuffer\|string | Yes   | Data to write. It can be a string or data from a buffer.                    |
+  | options | Object                          | No   | The options are as follows:<br>- **offset** (number): start position to write the data in the file. This parameter is optional. By default, data is written from the current position.<br>- **length** (number): length of the data to write. This parameter is optional. The default value is the buffer length.<br>- **encoding** (string): format of the data to be encoded when the data is a string. The default value is **'utf-8'**, which is the only value supported.|
 
 **Return value**
 
-| Type                   | Description      |
-| --------------------- | -------- |
-| Promise&lt;number&gt; | Promise used to return the length of the data written.|
+  | Type                   | Description      |
+  | --------------------- | -------- |
+  | Promise&lt;number&gt; | Promise used to return the length of the data written.|
 
 **Example**
 
@@ -888,12 +889,12 @@ Writes data into a file. This API uses an asynchronous callback to return the re
 
 **Parameters**
 
-| Name     | Type                             | Mandatory  | Description                                      |
-| -------- | ------------------------------- | ---- | ---------------------------------------- |
-| fd       | number                          | Yes   | FD of the file.                            |
-| buffer   | ArrayBuffer\|string | Yes   | Data to write. It can be a string or data from a buffer.                    |
-| options | Object                          | No   | The options are as follows:<br>- **offset** (number): start position to write the data in the file. This parameter is optional. By default, data is written from the current position.<br>- **length** (number): length of the data to write. This parameter is optional. The default value is the buffer length.<br>- **encoding** (string): format of the data to be encoded when the data is a string. The default value is **'utf-8'**, which is the only value supported.|
-| callback | AsyncCallback&lt;number&gt;     | Yes   | Callback invoked when the data is written asynchronously.                      |
+  | Name     | Type                             | Mandatory  | Description                                      |
+  | -------- | ------------------------------- | ---- | ---------------------------------------- |
+  | fd       | number                          | Yes   | FD of the file.                            |
+  | buffer   | ArrayBuffer\|string | Yes   | Data to write. It can be a string or data from a buffer.                    |
+  | options | Object                          | No   | The options are as follows:<br>- **offset** (number): start position to write the data in the file. This parameter is optional. By default, data is written from the current position.<br>- **length** (number): length of the data to write. This parameter is optional. The default value is the buffer length.<br>- **encoding** (string): format of the data to be encoded when the data is a string. The default value is **'utf-8'**, which is the only value supported.|
+  | callback | AsyncCallback&lt;number&gt;     | Yes   | Callback invoked when the data is written asynchronously.                      |
 
 **Example**
 
@@ -921,17 +922,17 @@ Synchronously writes data into a file.
 
 **Parameters**
 
-| Name    | Type                             | Mandatory  | Description                                      |
-| ------- | ------------------------------- | ---- | ---------------------------------------- |
-| fd      | number                          | Yes   | FD of the file.                            |
-| buffer  | ArrayBuffer\|string | Yes   | Data to write. It can be a string or data from a buffer.                    |
-| options | Object                          | No   | The options are as follows:<br>- **offset** (number): start position to write the data in the file. This parameter is optional. By default, data is written from the current position.<br>- **length** (number): length of the data to write. This parameter is optional. The default value is the buffer length.<br>- **encoding** (string): format of the data to be encoded when the data is a string. The default value is **'utf-8'**, which is the only value supported.|
+  | Name    | Type                             | Mandatory  | Description                                      |
+  | ------- | ------------------------------- | ---- | ---------------------------------------- |
+  | fd      | number                          | Yes   | FD of the file.                            |
+  | buffer  | ArrayBuffer\|string | Yes   | Data to write. It can be a string or data from a buffer.                    |
+  | options | Object                          | No   | The options are as follows:<br>- **offset** (number): start position to write the data in the file. This parameter is optional. By default, data is written from the current position.<br>- **length** (number): length of the data to write. This parameter is optional. The default value is the buffer length.<br>- **encoding** (string): format of the data to be encoded when the data is a string. The default value is **'utf-8'**, which is the only value supported.|
 
 **Return value**
 
-| Type    | Description      |
-| ------ | -------- |
-| number | Length of the data written in the file.|
+  | Type    | Description      |
+  | ------ | -------- |
+  | number | Length of the data written in the file.|
 
 **Example**
 
@@ -960,9 +961,9 @@ Truncates a file. This API uses a promise to return the result.
 
 **Return value**
 
-| Type                 | Description                          |
-| ------------------- | ---------------------------- |
-| Promise&lt;void&gt; | Promise that returns no value.|
+  | Type                 | Description                          |
+  | ------------------- | ---------------------------- |
+  | Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -1049,9 +1050,9 @@ Reads the text content of a file. This API uses a promise to return the result.
 
 **Return value**
 
-| Type                   | Description        |
-| --------------------- | ---------- |
-| Promise&lt;string&gt; | Promise used to return the content read.|
+  | Type                   | Description        |
+  | --------------------- | ---------- |
+  | Promise&lt;string&gt; | Promise used to return the content read.|
 
 **Example**
 
@@ -1112,9 +1113,9 @@ Synchronously reads the text of a file.
 
 **Return value**
 
-| Type  | Description                |
-| ------ | -------------------- |
-| string | Promise used to return the content of the file read.|
+  | Type  | Description                |
+  | ------ | -------------------- |
+  | string | Promise used to return the content of the file read.|
 
 **Example**
 
@@ -1140,9 +1141,9 @@ Obtains information about a symbolic link. This API uses a promise to return the
 
 **Return value**
 
-| Type                          | Description        |
-| ---------------------------- | ---------- |
-| Promise&lt;[Stat](#stat)&gt; | Promise used to return the symbolic link information obtained. For details, see **stat**.|
+  | Type                          | Description        |
+  | ---------------------------- | ---------- |
+  | Promise&lt;[Stat](#stat)&gt; | Promise used to return the symbolic link information obtained. For details, see **stat**.|
 
 **Example**
 
@@ -1200,9 +1201,9 @@ Obtains information about a symbolic link synchronously.
 
 **Return value**
 
-| Type           | Description        |
-| ------------- | ---------- |
-| [Stat](#stat) | File information obtained.|
+  | Type           | Description        |
+  | ------------- | ---------- |
+  | [Stat](#stat) | File information obtained.|
 
 **Example**
 
@@ -1228,9 +1229,9 @@ Renames a file or directory. This API uses a promise to return the result.
 
 **Return value**
 
-| Type                 | Description                          |
-| ------------------- | ---------------------------- |
-| Promise&lt;void&gt; | Promise that returns no value.|
+  | Type                 | Description                          |
+  | ------------------- | ---------------------------- |
+  | Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -1308,15 +1309,15 @@ Flushes data of a file to disk. This API uses a promise to return the result.
 
 **Parameters**
 
-| Name | Type    | Mandatory  | Description          |
-| ---- | ------ | ---- | ------------ |
-| fd   | number | Yes   | FD of the file.|
+  | Name | Type    | Mandatory  | Description          |
+  | ---- | ------ | ---- | ------------ |
+  | fd   | number | Yes   | FD of the file.|
 
 **Return value**
 
-| Type                 | Description                          |
-| ------------------- | ---------------------------- |
-| Promise&lt;void&gt; | Promise that returns no value.|
+  | Type                 | Description                          |
+  | ------------------- | ---------------------------- |
+  | Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -1341,10 +1342,10 @@ Flushes data of a file to disk. This API uses an asynchronous callback to return
 
 **Parameters**
 
-| Name     | Type                       | Mandatory  | Description             |
-| -------- | ------------------------- | ---- | --------------- |
-| fd       | number                    | Yes   | FD of the file.   |
-| Callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the file data is synchronized in asynchronous mode.|
+  | Name     | Type                       | Mandatory  | Description             |
+  | -------- | ------------------------- | ---- | --------------- |
+  | fd       | number                    | Yes   | FD of the file.   |
+  | Callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the file data is synchronized in asynchronous mode.|
 
 **Example**
 
@@ -1372,9 +1373,9 @@ Flushes data of a file to disk synchronously.
 
 **Parameters**
 
-| Name | Type    | Mandatory  | Description          |
-| ---- | ------ | ---- | ------------ |
-| fd   | number | Yes   | FD of the file.|
+  | Name | Type    | Mandatory  | Description          |
+  | ---- | ------ | ---- | ------------ |
+  | fd   | number | Yes   | FD of the file.|
 
 **Example**
 
@@ -1396,15 +1397,15 @@ Flushes data of a file to disk. This API uses a promise to return the result. **
 
 **Parameters**
 
-| Name | Type    | Mandatory  | Description          |
-| ---- | ------ | ---- | ------------ |
-| fd   | number | Yes   | FD of the file.|
+  | Name | Type    | Mandatory  | Description          |
+  | ---- | ------ | ---- | ------------ |
+  | fd   | number | Yes   | FD of the file.|
 
 **Return value**
 
-| Type                 | Description                          |
-| ------------------- | ---------------------------- |
-| Promise&lt;void&gt; | Promise that returns no value.|
+  | Type                 | Description                          |
+  | ------------------- | ---------------------------- |
+  | Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -1430,10 +1431,10 @@ Flushes data of a file to disk. This API uses an asynchronous callback to return
 
 **Parameters**
 
-| Name     | Type                             | Mandatory  | Description               |
-| -------- | ------------------------------- | ---- | ----------------- |
-| fd       | number                          | Yes   | FD of the file.     |
-| callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the file data is synchronized in asynchronous mode.|
+  | Name     | Type                             | Mandatory  | Description               |
+  | -------- | ------------------------------- | ---- | ----------------- |
+  | fd       | number                          | Yes   | FD of the file.     |
+  | callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the file data is synchronized in asynchronous mode.|
 
 **Example**
 
@@ -1460,9 +1461,9 @@ Synchronizes data in a file synchronously.
 
 **Parameters**
 
-| Name | Type    | Mandatory  | Description          |
-| ---- | ------ | ---- | ------------ |
-| fd   | number | Yes   | FD of the file.|
+  | Name | Type    | Mandatory  | Description          |
+  | ---- | ------ | ---- | ------------ |
+  | fd   | number | Yes   | FD of the file.|
 
 **Example**
 
@@ -1491,9 +1492,9 @@ Creates a symbolic link based on a file path. This API uses a promise to return
 
 **Return value**
 
-| Type                 | Description                          |
-| ------------------- | ---------------------------- |
-| Promise&lt;void&gt; | Promise that returns no value.|
+  | Type                 | Description                          |
+  | ------------------- | ---------------------------- |
+  | Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -1560,6 +1561,239 @@ Synchronously creates a symbolic link based on a file path.
   fs.symlinkSync(srcFile, dstFile);
   ```
 
+## fs.listFile
+listFile(path: string, options?: {
+    recursion?: boolean;
+    listNum?: number;
+    filter?: Filter;
+}): Promise<string[]>;
+
+Lists all files in a directory. This API uses a promise to return the result.<br>This API supports recursive listing of all files (including files in subdirectories) and file filtering.
+
+**System capability**: SystemCapability.FileManagement.File.FileIO
+
+**Parameters**
+
+  | Name   | Type    | Mandatory  | Description                         |
+  | ------ | ------ | ---- | --------------------------- |
+  | path | string | Yes   | Path of the directory in the application sandbox.|
+  | options | Object | No   | File filtering options.|
+
+**options parameters**
+
+  | Name   | Type    | Mandatory  | Description                         |
+  | ------ | ------ | ---- | --------------------------- |
+  | recursion | boolean | No   | Whether to list all files in subdirectories recursively. The default value is **false**.|
+  | listNum | number | No   | Number of file names to list. The default value **0** means to list all files.|
+  | filter | [Filter](#filter) | No   | File filtering options. Currently, only the match by file name extension, fuzzy search by file name, and filter by file size or latest modification time are supported.|
+
+**Return value**
+
+  | Type                  | Description        |
+  | --------------------- | ---------- |
+  | Promise&lt;string[]&gt; | Promise used to return the files names listed.|
+
+**Example**
+
+  ```js
+  let options = {
+    "recursion": false,
+    "listNum": 0,
+    "filter": {
+      "suffix": [".png", ".jpg", ".jpeg"],
+      "displayName": ["%abc", "efg%"],
+      "fileSizeOver": 1024,
+      "lastModifiedAfter": new Date().getTime(),
+    }
+  };
+  fs.listFile(pathDir, options).then((filenames) => {
+    console.info("listFile succeed");
+    for (let i = 0; i < filenames.size; i++) {
+      console.info("fileName: %s", filenames[i]);
+    }
+  }).catch((err) => {
+      console.info("list file failed with error message: " + err.message + ", error code: " + err.code);
+  });
+  ```
+
+## fs.listFile
+listFile(path: string, options?: {
+    recursion?: boolean;
+    listNum?: number;
+    filter?: Filter;
+}, callback: AsyncCallback<string[]>): void;
+
+Lists all files in a directory. This API uses an asynchronous callback to return the result.<br>This API supports recursive listing of all files (including files in subdirectories) and file filtering.
+
+**Parameters**
+
+  | Name   | Type    | Mandatory  | Description                         |
+  | ------ | ------ | ---- | --------------------------- |
+  | path | string | Yes   | Path of the directory in the application sandbox.|
+  | options | Object | No   | File filtering options.|
+  | callback | AsyncCallback&lt;string[]&gt; | Yes   | Callback invoked to return the file names listed.             |
+
+**options parameters**
+
+  | Name   | Type    | Mandatory  | Description                         |
+  | ------ | ------ | ---- | --------------------------- |
+  | recursion | boolean | No   | Whether to list all files in subdirectories recursively. The default value is **false**.|
+  | listNum | number | No   | Number of file names to list. The default value **0** means to list all files.|
+  | filter | [Filter](#filter) | No   | File filtering options. Currently, only the match by file name extension, fuzzy search by file name, and filter by file size or latest modification time are supported.|
+
+**Example**
+
+  ```js
+  let options = {
+    "recursion": false,
+    "listNum": 0,
+    "filter": {
+      "suffix": [".png", ".jpg", ".jpeg"],
+      "displayName": ["%abc", "efg%"],
+      "fileSizeOver": 1024,
+      "lastModifiedAfter": new Date().getTime(),
+    }
+  };
+  fs.listFile(pathDir, options, (err, filenames) => {
+    if (err) {
+      console.info("list file failed with error message: " + err.message + ", error code: " + err.code);
+    } else {
+      console.info("listFile succeed");
+      for (let i = 0; i < filenames.size; i++) {
+        console.info("filename: %s", filenames[i]);
+      }
+    }
+  });
+  ```
+
+## fs.listFileSync
+
+listFileSync(path: string, options?: {
+    recursion?: boolean;
+    listNum?: number;
+    filter?: Filter;
+}): string[];
+
+Lists all files in a directory synchronously. This API supports recursive listing of all files (including files in subdirectories) and file filtering.
+
+**Parameters**
+
+  | Name   | Type    | Mandatory  | Description                         |
+  | ------ | ------ | ---- | --------------------------- |
+  | path | string | Yes   | Path of the directory in the application sandbox.|
+  | options | Object | No   | File filtering options.|
+
+**options parameters**
+
+  | Name   | Type    | Mandatory  | Description                         |
+  | ------ | ------ | ---- | --------------------------- |
+  | recursion | boolean | No   | Whether to list all files in subdirectories recursively. The default value is **false**.|
+  | listNum | number | No   | Number of file names to list. The default value **0** means to list all files.|
+  | filter | [Filter](#filter) | No   | File filtering options. Currently, only the match by file name extension, fuzzy search by file name, and filter by file size or latest modification time are supported.|
+
+**Return value**
+
+  | Type                  | Description        |
+  | --------------------- | ---------- |
+  | string[] | File names listed.|
+
+**Example**
+
+  ```js
+  let options = {
+    "recursion": false,
+    "listNum": 0,
+    "filter": {
+      "suffix": [".png", ".jpg", ".jpeg"],
+      "displayName": ["%abc", "efg%"],
+      "fileSizeOver": 1024,
+      "lastModifiedAfter": new Date().getTime(),
+    }
+  };
+  let filenames = fs.listFileSync(pathDir, options);
+  console.info("listFile succeed");
+  for (let i = 0; i < filenames.size; i++) {
+    console.info("filename: %s", filenames[i]);
+  }
+  ```
+## fs.moveFile
+
+moveFile(src: string, dest: string, mode?: number): Promise<void>;
+
+Moves a file. This API uses a promise to return the result.
+
+**System capability**: SystemCapability.FileManagement.File.FileIO
+
+**Parameters**
+
+  | Name   | Type    | Mandatory  | Description                         |
+  | ------ | ------ | ---- | --------------------------- |
+  | src | string | Yes   | Path of the file to move in the application sandbox.|
+  | dest | string | Yes   | Destination path of the file in the application sandbox.|
+  | mode | number | No   | Whether to overwrite the file of the same name in the destination directory. The value **0** means to overwrite the file of the same name in the destination directory. The value **1** means to throw an exception if a file of the same name exists in the destination directory. The default value is **0**.|
+
+**Example**
+
+  ```js
+  fs.moveFile(srcPath, destPath, 0).then(() => {
+      console.info("move file succeed");
+  }).catch((err) => {
+      console.info("move file failed with error message: " + err.message + ", error code: " + err.code);
+  });
+  ```
+
+## fs.moveFile
+
+moveFile(src: string, dest: string, mode?: number, callback: AsyncCallback<void>): void;
+
+Moves a file. This API uses an asynchronous callback to return the result.
+
+**System capability**: SystemCapability.FileManagement.File.FileIO
+
+**Parameters**
+
+  | Name   | Type    | Mandatory  | Description                         |
+  | ------ | ------ | ---- | --------------------------- |
+  | src | string | Yes   | Path of the file to move in the application sandbox.|
+  | dest | string | Yes   | Destination path of the file in the application sandbox.|
+  | mode | number | No   | Whether to overwrite the file of the same name in the destination directory. The value **0** means to overwrite the file of the same name in the destination directory. The value **1** means to throw an exception if a file of the same name exists in the destination directory. The default value is **0**.|
+  | callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the file is moved.             |
+
+**Example**
+
+  ```js
+  fs.moveFile(srcPath, destPath, 0, (err) => {
+    if (err) {
+      console.info("move file failed with error message: " + err.message + ", error code: " + err.code);
+    } else {
+      console.info("move file succeed");
+    }  
+  });
+  ```
+
+## fs.moveFileSync
+
+moveFile(src: string, dest: string, mode?: number): void;
+
+Moves a file synchronously.
+
+**System capability**: SystemCapability.FileManagement.File.FileIO
+
+**Parameters**
+
+  | Name   | Type    | Mandatory  | Description                         |
+  | ------ | ------ | ---- | --------------------------- |
+  | src | string | Yes   | Path of the file to move in the application sandbox.|
+  | dest | string | Yes   | Destination path of the file in the application sandbox.|
+  | mode | number | No   | Whether to overwrite the file of the same name in the destination directory. The value **0** means to overwrite the file of the same name in the destination directory. The value **1** means to throw an exception if a file of the same name exists in the destination directory. The default value is **0**.|
+
+**Example**
+
+  ```js
+  fs.moveFileSync(srcPath, destPath, 0);
+  console.info("move file succeed");
+  ```
+
 ## fs.mkdtemp
 
 mkdtemp(prefix: string): Promise&lt;string&gt;
@@ -1570,15 +1804,15 @@ Creates a temporary directory. This API uses a promise to return the result.
 
 **Parameters**
 
-| Name   | Type    | Mandatory  | Description                         |
-| ------ | ------ | ---- | --------------------------- |
-| prefix | string | Yes   | A randomly generated string used to replace "XXXXXX" in a directory.|
+  | Name   | Type    | Mandatory  | Description                         |
+  | ------ | ------ | ---- | --------------------------- |
+  | prefix | string | Yes   | A randomly generated string used to replace "XXXXXX" in a directory.|
 
 **Return value**
 
-| Type                  | Description        |
-| --------------------- | ---------- |
-| Promise&lt;string&gt; | Promise used to return the unique directory generated.|
+  | Type                  | Description        |
+  | --------------------- | ---------- |
+  | Promise&lt;string&gt; | Promise used to return the unique directory generated.|
 
 **Example**
 
@@ -1601,10 +1835,10 @@ Creates a temporary directory. This API uses an asynchronous callback to return
 
 **Parameters**
 
-| Name     | Type                         | Mandatory  | Description                         |
-| -------- | --------------------------- | ---- | --------------------------- |
-| prefix   | string                      | Yes   | A randomly generated string used to replace "XXXXXX" in a directory.|
-| callback | AsyncCallback&lt;string&gt; | Yes   | Callback invoked when a temporary directory is created asynchronously.             |
+  | Name     | Type                         | Mandatory  | Description                         |
+  | -------- | --------------------------- | ---- | --------------------------- |
+  | prefix   | string                      | Yes   | A randomly generated string used to replace "XXXXXX" in a directory.|
+  | callback | AsyncCallback&lt;string&gt; | Yes   | Callback invoked when a temporary directory is created asynchronously.             |
 
 **Example**
 
@@ -1628,21 +1862,21 @@ Synchronously creates a temporary directory.
 
 **Parameters**
 
-| Name   | Type    | Mandatory  | Description                         |
-| ------ | ------ | ---- | --------------------------- |
-| prefix | string | Yes   | A randomly generated string used to replace "XXXXXX" in a directory.|
+  | Name   | Type    | Mandatory  | Description                         |
+  | ------ | ------ | ---- | --------------------------- |
+  | prefix | string | Yes   | A randomly generated string used to replace "XXXXXX" in a directory.|
 
 **Return value**
 
-| Type   | Description        |
-| ------ | ---------- |
-| string | Unique path generated.|
+  | Type   | Description        |
+  | ------ | ---------- |
+  | string | Unique path generated.|
 
 **Example**
 
   ```js
   let res = fs.mkdtempSync(pathDir + "/XXXXXX");
-  ```
+  ```  
 
 ## fs.createStream
 
@@ -1661,9 +1895,9 @@ Opens a file stream based on the file path. This API uses a promise to return th
 
 **Return value**
 
-| Type                               | Description       |
-| --------------------------------- | --------- |
-| Promise&lt;[Stream](#stream)&gt; | Promise used to return the result.|
+  | Type                               | Description       |
+  | --------------------------------- | --------- |
+  | Promise&lt;[Stream](#stream)&gt; | Promise used to return the result.|
 
 **Example**
 
@@ -1723,9 +1957,9 @@ Synchronously opens a stream based on the file path.
 
 **Return value**
 
-| Type               | Description       |
-| ------------------ | --------- |
-| [Stream](#stream) | Stream opened.|
+  | Type               | Description       |
+  | ------------------ | --------- |
+  | [Stream](#stream) | Stream opened.|
 
 **Example**
 
@@ -1745,16 +1979,16 @@ Opens a file stream based on the file descriptor. This API uses a promise to ret
 
 **Parameters**
 
-| Name | Type    | Mandatory  | Description                                      |
-| ---- | ------ | ---- | ---------------------------------------- |
-| fd   | number | Yes   | FD of the file.                            |
-| mode | string | Yes   | - **r**: Open a file for reading. The file must exist.<br>- **r+**: Open a file for both reading and writing. The file must exist.<br>- **w**: Open a file for writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **w+**: Open a file for both reading and writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **a**: Open a file in append mode for writing at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).<br>- **a+**: Open a file in append mode for reading or updating at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).|
+  | Name | Type    | Mandatory  | Description                                      |
+  | ---- | ------ | ---- | ---------------------------------------- |
+  | fd   | number | Yes   | FD of the file.                            |
+  | mode | string | Yes   | - **r**: Open a file for reading. The file must exist.<br>- **r+**: Open a file for both reading and writing. The file must exist.<br>- **w**: Open a file for writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **w+**: Open a file for both reading and writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **a**: Open a file in append mode for writing at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).<br>- **a+**: Open a file in append mode for reading or updating at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).|
 
 **Return value**
 
-| Type                              | Description       |
-| --------------------------------- | --------- |
-| Promise&lt;[Stream](#stream)&gt; | Promise used to return the result.|
+  | Type                              | Description       |
+  | --------------------------------- | --------- |
+  | Promise&lt;[Stream](#stream)&gt; | Promise used to return the result.|
 
 **Example**
 
@@ -1780,11 +2014,11 @@ Opens a file stream based on the file descriptor. This API uses an asynchronous
 
 **Parameters**
 
-| Name     | Type                                      | Mandatory  | Description                                      |
-| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
-| fd       | number                                   | Yes   | FD of the file.                            |
-| mode     | string                                   | Yes   | - **r**: Open a file for reading. The file must exist.<br>- **r+**: Open a file for both reading and writing. The file must exist.<br>- **w**: Open a file for writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **w+**: Open a file for both reading and writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **a**: Open a file in append mode for writing at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).<br>- **a+**: Open a file in append mode for reading or updating at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).|
-| callback | AsyncCallback&lt;[Stream](#stream)&gt; | Yes   | Callback invoked when the stream is open asynchronously.                           |
+  | Name     | Type                                      | Mandatory  | Description                                      |
+  | -------- | ---------------------------------------- | ---- | ---------------------------------------- |
+  | fd       | number                                   | Yes   | FD of the file.                            |
+  | mode     | string                                   | Yes   | - **r**: Open a file for reading. The file must exist.<br>- **r+**: Open a file for both reading and writing. The file must exist.<br>- **w**: Open a file for writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **w+**: Open a file for both reading and writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **a**: Open a file in append mode for writing at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).<br>- **a+**: Open a file in append mode for reading or updating at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).|
+  | callback | AsyncCallback&lt;[Stream](#stream)&gt; | Yes   | Callback invoked when the stream is open asynchronously.                           |
 
 **Example**
 
@@ -1811,16 +2045,16 @@ Synchronously opens a stream based on the file descriptor.
 
 **Parameters**
 
-| Name | Type    | Mandatory  | Description                                      |
-| ---- | ------ | ---- | ---------------------------------------- |
-| fd   | number | Yes   | FD of the file.                            |
-| mode | string | Yes   | - **r**: Open a file for reading. The file must exist.<br>- **r+**: Open a file for both reading and writing. The file must exist.<br>- **w**: Open a file for writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **w+**: Open a file for both reading and writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **a**: Open a file in append mode for writing at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).<br>- **a+**: Open a file in append mode for reading or updating at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).|
+  | Name | Type    | Mandatory  | Description                                      |
+  | ---- | ------ | ---- | ---------------------------------------- |
+  | fd   | number | Yes   | FD of the file.                            |
+  | mode | string | Yes   | - **r**: Open a file for reading. The file must exist.<br>- **r+**: Open a file for both reading and writing. The file must exist.<br>- **w**: Open a file for writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **w+**: Open a file for both reading and writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **a**: Open a file in append mode for writing at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).<br>- **a+**: Open a file in append mode for reading or updating at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).|
 
 **Return value**
 
-| Type               | Description       |
-| ------------------ | --------- |
-| [Stream](#stream) | Stream opened.|
+  | Type               | Description       |
+  | ------------------ | --------- |
+  | [Stream](#stream) | Stream opened.|
 
 **Example**
 
@@ -1840,7 +2074,7 @@ Represents detailed file information. Before calling any API of the **Stat()** c
 ### Attributes
 
 | Name    | Type  | Readable  | Writable  | Description                                      |
-| ------ | ------ | ---- | ---- | ---------------------------------------- |
+| ------ | ------ | ---- | ---- | ---------------------------------------- |                        
 | ino    | number | Yes   | No   | File ID. Different files on the same device have different **ino**s.|                 |
 | mode   | number | Yes   | No   | File permissions. The meaning of each bit is as follows:<br>- **0o400**: The owner has the read permission on a regular file or a directory entry.<br>- **0o200**: The owner has the permission to write a regular file or create and delete a directory entry.<br>- **0o100**: The owner has the permission to execute a regular file or search for the specified path in a directory.<br>- **0o040**: The user group has the read permission on a regular file or a directory entry.<br>- **0o020**: The user group has the permission to write a regular file or create and delete a directory entry.<br>- **0o010**: The user group has the permission to execute a regular file or search for the specified path in a directory.<br>- **0o004**: Other users have the permission to read a regular file or read a directory entry.<br>- **0o002**: Other users have the permission to write a regular file or create and delete a directory entry.<br>- **0o001**: Other users have the permission to execute a regular file or search for the specified path in a directory.|
 | uid    | number | Yes   | No   | ID of the file owner.|
@@ -1861,9 +2095,9 @@ Checks whether this file is a block special file. A block special file supports
 
 **Return value**
 
-| Type     | Description              |
-| ------- | ---------------- |
-| boolean | Whether the file is a block special file.|
+  | Type     | Description              |
+  | ------- | ---------------- |
+  | boolean | Whether the file is a block special file.|
 
 **Example**
 
@@ -1882,9 +2116,9 @@ Checks whether this file is a character special file. A character special file s
 
 **Return value**
 
-| Type     | Description               |
-| ------- | ----------------- |
-| boolean | Whether the file is a character special file.|
+  | Type     | Description               |
+  | ------- | ----------------- |
+  | boolean | Whether the file is a character special file.|
 
 **Example**
 
@@ -1904,9 +2138,9 @@ Checks whether this file is a directory.
 
 **Return value**
 
-| Type     | Description           |
-| ------- | ------------- |
-| boolean | Whether the file is a directory.|
+  | Type     | Description           |
+  | ------- | ------------- |
+  | boolean | Whether the file is a directory.|
 
 **Example**
 
@@ -1926,9 +2160,9 @@ Checks whether this file is a named pipe (or FIFO). Named pipes are used for int
 
 **Return value**
 
-| Type     | Description                   |
-| ------- | --------------------- |
-| boolean | Whether the file is a FIFO.|
+  | Type     | Description                   |
+  | ------- | --------------------- |
+  | boolean | Whether the file is a FIFO.|
 
 **Example**
 
@@ -1948,9 +2182,9 @@ Checks whether this file is a regular file.
 
 **Return value**
 
-| Type     | Description             |
-| ------- | --------------- |
-| boolean | Whether the file is a regular file.|
+  | Type     | Description             |
+  | ------- | --------------- |
+  | boolean | Whether the file is a regular file.|
 
 **Example**
 
@@ -1970,9 +2204,9 @@ Checks whether this file is a socket.
 
 **Return value**
 
-| Type     | Description            |
-| ------- | -------------- |
-| boolean | Whether the file is a socket.|
+  | Type     | Description            |
+  | ------- | -------------- |
+  | boolean | Whether the file is a socket.|
 
 **Example**
 
@@ -1992,9 +2226,9 @@ Checks whether this file is a symbolic link.
 
 **Return value**
 
-| Type     | Description             |
-| ------- | --------------- |
-| boolean | Whether the file is a symbolic link.|
+  | Type     | Description             |
+  | ------- | --------------- |
+  | boolean | Whether the file is a symbolic link.|
 
 **Example**
 
@@ -2018,9 +2252,9 @@ Closes the stream. This API uses a promise to return the result.
 
 **Return value**
 
-| Type                 | Description           |
-| ------------------- | ------------- |
-| Promise&lt;void&gt; | Promise used to return the stream close result.|
+  | Type                 | Description           |
+  | ------------------- | ------------- |
+  | Promise&lt;void&gt; | Promise used to return the stream close result.|
 
 **Example**
 
@@ -2045,9 +2279,9 @@ Closes the stream. This API uses an asynchronous callback to return the result.
 
 **Parameters**
 
-| Name     | Type                       | Mandatory  | Description           |
-| -------- | ------------------------- | ---- | ------------- |
-| callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the stream is closed asynchronously.|
+  | Name     | Type                       | Mandatory  | Description           |
+  | -------- | ------------------------- | ---- | ------------- |
+  | callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the stream is closed asynchronously.|
 
 **Example**
 
@@ -2089,9 +2323,9 @@ Flushes the stream. This API uses a promise to return the result.
 
 **Return value**
 
-| Type                 | Description           |
-| ------------------- | ------------- |
-| Promise&lt;void&gt; | Promise used to return the stream flushing result.|
+  | Type                 | Description           |
+  | ------------------- | ------------- |
+  | Promise&lt;void&gt; | Promise used to return the stream flushing result.|
 
 **Example**
 
@@ -2116,9 +2350,9 @@ Flushes the stream. This API uses an asynchronous callback to return the result.
 
 **Parameters**
 
-| Name     | Type                       | Mandatory  | Description            |
-| -------- | ------------------------- | ---- | -------------- |
-| callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the stream is asynchronously flushed.|
+  | Name     | Type                       | Mandatory  | Description            |
+  | -------- | ------------------------- | ---- | -------------- |
+  | callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the stream is asynchronously flushed.|
 
 **Example**
 
@@ -2160,16 +2394,16 @@ Writes data into the stream. This API uses a promise to return the result.
 
 **Parameters**
 
-| Name    | Type                             | Mandatory  | Description                                      |
-| ------- | ------------------------------- | ---- | ---------------------------------------- |
-| buffer  | ArrayBuffer\|string | Yes   | Data to write. It can be a string or data from a buffer.                    |
-| options | Object                          | No   | The options are as follows:<br>- **length** (number): length of the data to write. The default value is the buffer length.<br>- **offset** (number): start position to write the data in the file. This parameter is optional. By default, data is written from the current position.<br>- **encoding** (string): format of the data to be encoded when the data is a string. The default value is **'utf-8'**, which is the only value supported.|
+  | Name    | Type                             | Mandatory  | Description                                      |
+  | ------- | ------------------------------- | ---- | ---------------------------------------- |
+  | buffer  | ArrayBuffer\|string | Yes   | Data to write. It can be a string or data from a buffer.                    |
+  | options | Object                          | No   | The options are as follows:<br>- **length** (number): length of the data to write. The default value is the buffer length.<br>- **offset** (number): start position to write the data in the file. This parameter is optional. By default, data is written from the current position.<br>- **encoding** (string): format of the data to be encoded when the data is a string. The default value is **'utf-8'**, which is the only value supported.|
 
 **Return value**
 
-| Type                   | Description      |
-| --------------------- | -------- |
-| Promise&lt;number&gt; | Promise used to return the length of the data written.|
+  | Type                   | Description      |
+  | --------------------- | -------- |
+  | Promise&lt;number&gt; | Promise used to return the length of the data written.|
 
 **Example**
 
@@ -2194,11 +2428,11 @@ Writes data into the stream. This API uses an asynchronous callback to return th
 
 **Parameters**
 
-| Name  | Type                           | Mandatory| Description                                                        |
-| -------- | ------------------------------- | ---- | ------------------------------------------------------------ |
-| buffer   | ArrayBuffer\|string | Yes  | Data to write. It can be a string or data from a buffer.                    |
-| options  | Object                          | No  | The options are as follows:<br>- **length** (number): length of the data to write. This parameter is optional. The default value is the buffer length.<br>- **offset** (number): start position to write the data in the file. This parameter is optional. By default, data is written from the current position.<br>- **encoding** (string): format of the data to be encoded when the data is a string. The default value is **'utf-8'**, which is the only value supported.|
-| callback | AsyncCallback&lt;number&gt;     | Yes  | Callback invoked when the data is written asynchronously.                              |
+  | Name  | Type                           | Mandatory| Description                                                        |
+  | -------- | ------------------------------- | ---- | ------------------------------------------------------------ |
+  | buffer   | ArrayBuffer\|string | Yes  | Data to write. It can be a string or data from a buffer.                    |
+  | options  | Object                          | No  | The options are as follows:<br>- **length** (number): length of the data to write. This parameter is optional. The default value is the buffer length.<br>- **offset** (number): start position to write the data in the file. This parameter is optional. By default, data is written from the current position.<br>- **encoding** (string): format of the data to be encoded when the data is a string. The default value is **'utf-8'**, which is the only value supported.|
+  | callback | AsyncCallback&lt;number&gt;     | Yes  | Callback invoked when the data is written asynchronously.                              |
 
 **Example**
 
@@ -2226,16 +2460,16 @@ Synchronously writes data into the stream.
 
 **Parameters**
 
-| Name    | Type                             | Mandatory  | Description                                      |
-| ------- | ------------------------------- | ---- | ---------------------------------------- |
-| buffer  | ArrayBuffer\|string | Yes   | Data to write. It can be a string or data from a buffer.                    |
-| options | Object                          | No   | The options are as follows:<br>- **length** (number): length of the data to write. This parameter is optional. The default value is the buffer length.<br>- **offset** (number): start position to write the data in the file. This parameter is optional. By default, data is written from the current position.<br>- **encoding** (string): format of the data to be encoded when the data is a string. The default value is **'utf-8'**, which is the only value supported.|
+  | Name    | Type                             | Mandatory  | Description                                      |
+  | ------- | ------------------------------- | ---- | ---------------------------------------- |
+  | buffer  | ArrayBuffer\|string | Yes   | Data to write. It can be a string or data from a buffer.                    |
+  | options | Object                          | No   | The options are as follows:<br>- **length** (number): length of the data to write. This parameter is optional. The default value is the buffer length.<br>- **offset** (number): start position to write the data in the file. This parameter is optional. By default, data is written from the current position.<br>- **encoding** (string): format of the data to be encoded when the data is a string. The default value is **'utf-8'**, which is the only value supported.|
 
 **Return value**
 
-| Type    | Description      |
-| ------ | -------- |
-| number | Length of the data written in the file.|
+  | Type    | Description      |
+  | ------ | -------- |
+  | number | Length of the data written in the file.|
 
 **Example**
 
@@ -2255,16 +2489,16 @@ Reads data from the stream. This API uses a promise to return the result.
 
 **Parameters**
 
-| Name    | Type         | Mandatory  | Description                                      |
-| ------- | ----------- | ---- | ---------------------------------------- |
-| buffer  | ArrayBuffer | Yes   | Buffer used to store the file read.                             |
-| options | Object      | No   | The options are as follows:<br>- **length** (number): length of the data to read. This parameter is optional. The default value is the buffer length.<br>- **offset** (number): position of the data to read in the file. By default, data is read from the current position.|
+  | Name    | Type         | Mandatory  | Description                                      |
+  | ------- | ----------- | ---- | ---------------------------------------- |
+  | buffer  | ArrayBuffer | Yes   | Buffer used to store the file read.                             |
+  | options | Object      | No   | The options are as follows:<br>- **length** (number): length of the data to read. This parameter is optional. The default value is the buffer length.<br>- **offset** (number): position of the data to read in the file. By default, data is read from the current position.|
 
 **Return value**
 
-| Type                                | Description    |
-| ---------------------------------- | ------ |
-| Promise&lt;number&gt; | Promise used to return the data read.|
+  | Type                                | Description    |
+  | ---------------------------------- | ------ |
+  | Promise&lt;number&gt; | Promise used to return the data read.|
 
 **Example**
 
@@ -2291,11 +2525,11 @@ Reads data from the stream. This API uses an asynchronous callback to return the
 
 **Parameters**
 
-| Name     | Type                                      | Mandatory  | Description                                      |
-| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
-| buffer   | ArrayBuffer                              | Yes   | Buffer used to store the file read.                             |
-| options  | Object                                   | No   | The options are as follows:<br>- **length** (number): length of the data to read. This parameter is optional. The default value is the buffer length.<br>- **offset** (number): position of the data to read in the file. This parameter is optional. By default, data is read from the current position.|
-| callback | AsyncCallback&lt;number&gt; | Yes   | Callback invoked when data is read asynchronously from the stream.                        |
+  | Name     | Type                                      | Mandatory  | Description                                      |
+  | -------- | ---------------------------------------- | ---- | ---------------------------------------- |
+  | buffer   | ArrayBuffer                              | Yes   | Buffer used to store the file read.                             |
+  | options  | Object                                   | No   | The options are as follows:<br>- **length** (number): length of the data to read. This parameter is optional. The default value is the buffer length.<br>- **offset** (number): position of the data to read in the file. This parameter is optional. By default, data is read from the current position.|
+  | callback | AsyncCallback&lt;number&gt; | Yes   | Callback invoked when data is read asynchronously from the stream.                        |
 
 **Example**
 
@@ -2323,16 +2557,16 @@ Synchronously reads data from the stream.
 
 **Parameters**
 
-| Name    | Type         | Mandatory  | Description                                      |
-| ------- | ----------- | ---- | ---------------------------------------- |
-| buffer  | ArrayBuffer | Yes   | Buffer used to store the file read.                             |
-| options | Object      | No   | The options are as follows:<br>- **length** (number): length of the data to read. This parameter is optional. The default value is the buffer length.<br>- **offset** (number): position of the data to read in the file. This parameter is optional. By default, data is read from the current position.<br> |
+  | Name    | Type         | Mandatory  | Description                                      |
+  | ------- | ----------- | ---- | ---------------------------------------- |
+  | buffer  | ArrayBuffer | Yes   | Buffer used to store the file read.                             |
+  | options | Object      | No   | The options are as follows:<br>- **length** (number): length of the data to read. This parameter is optional. The default value is the buffer length.<br>- **offset** (number): position of the data to read in the file. This parameter is optional. By default, data is read from the current position.<br> |
 
 **Return value**
 
-| Type    | Description      |
-| ------ | -------- |
-| number | Length of the data read.|
+  | Type    | Description      |
+  | ------ | -------- |
+  | number | Length of the data read.|
 
 **Example**
 
@@ -2354,6 +2588,104 @@ Represents a **File** object opened by **open()**.
 | ---- | ------ | ---- | ---- | ------- |
 | fd | number | Yes   | No   | FD of the file.|
 
+### lock
+
+lock(exclusive?: boolean): Promise<void>;
+
+Applies an exclusive lock or a shared lock on this file in blocking mode. This API uses a promise to return the result.
+
+**System capability**: SystemCapability.FileManagement.File.FileIO
+
+**Parameters**
+
+  | Name    | Type         | Mandatory  | Description                                      |
+  | ------- | ----------- | ---- | ---------------------------------------- |
+  | exclusive  | boolean | No  | Lock to apply. The value **true** means an exclusive lock, and the value **false** (default) means a shared lock.      |
+
+**Return value**
+
+  | Type                                | Description    |
+  | ---------------------------------- | ------ |
+  | Promise&lt;void&gt; | Promise that returns no value.|
+
+**Example**
+
+  ```js
+  let file = fs.openSync(path, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE);
+  file.lock(true).then(() => {
+    console.log("lock file successful");
+  }).catch((err) => {
+      console.info("lock file failed with error message: " + err.message + ", error code: " + err.code);
+  });
+  ```
+
+### lock
+
+lock(exclusive?: boolean, callback: AsyncCallback<void>): void;
+
+Applies an exclusive lock or a shared lock on this file in blocking mode. This API uses a promise to return the result.
+
+**System capability**: SystemCapability.FileManagement.File.FileIO
+
+**Parameters**
+
+  | Name    | Type         | Mandatory  | Description                                      |
+  | ------- | ----------- | ---- | ---------------------------------------- |
+  | exclusive  | boolean | No  | Lock to apply. The value **true** means an exclusive lock, and the value **false** (default) means a shared lock.      |
+  | callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the file is locked.  |     
+
+**Example**
+
+  ```js
+  let file = fs.openSync(path, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE);
+  file.lock(true, (err) => {
+    if (err) {
+      console.info("lock file failed with error message: " + err.message + ", error code: " + err.code);
+    } else {
+      console.log("lock file successful");
+    }
+  });
+  ```
+
+### tryLock
+
+tryLock(exclusive?: boolean): void;
+
+Applies an exclusive lock or a shared lock on this file in non-blocking mode.
+
+**System capability**: SystemCapability.FileManagement.File.FileIO
+
+**Parameters**
+
+  | Name    | Type         | Mandatory  | Description                                      |
+  | ------- | ----------- | ---- | ---------------------------------------- |
+  | exclusive  | boolean | No  | Lock to apply. The value **true** means an exclusive lock, and the value **false** (default) means a shared lock.      |    
+
+**Example**
+
+  ```js
+  let file = fs.openSync(path, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE);
+  file.tryLock(true);
+  console.log("lock file successful");
+  ```
+
+### unlock
+
+unlock(): void;
+
+Unlocks this file synchronously.
+
+**System capability**: SystemCapability.FileManagement.File.FileIO
+
+**Example**
+
+  ```js
+  let file = fs.openSync(path, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE);
+  file.tryLock(true);
+  file.unlock();
+  console.log("unlock file successful");
+  ```
+
 ## OpenMode
 
 Defines the constants of the **mode** parameter used in **open()**. It species the mode for opening a file.
@@ -2372,3 +2704,18 @@ Defines the constants of the **mode** parameter used in **open()**. It species t
 | DIR | number | 0o200000    | If **path** does not point to a directory, throw an exception.|
 | NOFOLLOW | number | 0o400000    | If **path** points to a symbolic link, throw an exception.|
 | SYNC | number | 0o4010000    | Open the file in synchronous I/O mode.|
+
+## Filter
+
+**System capability**: SystemCapability.FileManagement.File.FileIO
+
+Defines the file filtering configuration, which can be used by **listFile()**.
+
+| Name       | Type      | Description               |
+| ----------- | --------------- | ------------------ |
+| suffix | Array&lt;string&gt;     | Locate files that fully match the specified file name extensions, which are of the OR relationship.          |
+| displayName    | Array&lt;string&gt;     | Locate files that fuzzy match the specified file names, which are of the OR relationship.|
+| mimeType    | Array&lt;string&gt; | Locate files that fully match the specified MIME types, which are of the OR relationship.      |
+| fileSizeOver    | number | Locate files that are greater than or equal to the specified size.      |
+| lastModifiedAfter    | number | Locate files whose last modification time is the same or later than the specified time.      |
+| excludeMedia    | boolean | Whether to exclude the files already in **Media**.      |
diff --git a/en/application-dev/reference/apis/js-apis-fileio.md b/en/application-dev/reference/apis/js-apis-fileio.md
index 5287fd266fe6f903e650c82619c0d0ceee4dcd24..ce847bdb15150e19339b22897dcda2eb0609e641 100644
--- a/en/application-dev/reference/apis/js-apis-fileio.md
+++ b/en/application-dev/reference/apis/js-apis-fileio.md
@@ -4,8 +4,8 @@ The **fileio** module provides APIs for file storage and management, including b
 
 > **NOTE**
 > 
-> The initial APIs of this module are supported since API version 6. Newly added APIs will be marked with a superscript to indicate their earliest API version.
-> The APIs provided by this module are deprecated since API version 9. You are advised to use [@ohos.file.fs](./js-apis-file-fs.md).
+> - The initial APIs of this module are supported since API version 6. Newly added APIs will be marked with a superscript to indicate their earliest API version.
+> - The APIs provided by this module are deprecated since API version 9. You are advised to use [@ohos.file.fs](./js-apis-file-fs.md).
 
 ## Modules to Import
 
@@ -18,11 +18,10 @@ import fileio from '@ohos.fileio';
 
 Before using the APIs provided by this module to perform operations on files or directories, obtain the path of the application sandbox as follows:
 
-Stage Model
+**Stage Model**
 
  ```js
 import Ability from '@ohos.application.Ability';
-
 class MainAbility extends Ability {
     onWindowStageCreate(windowStage) {
         let context = this.context;
@@ -33,11 +32,10 @@ class MainAbility extends Ability {
 
  For details about how to obtain the stage model context, see [AbilityContext](js-apis-ability-context.md#abilitycontext).
 
-FA Model
+**FA Model**
 
  ```js
  import featureAbility from '@ohos.ability.featureAbility';
- 
  let context = featureAbility.getContext();
  context.getFilesDir().then((data) => {
       let pathDir = data;
@@ -62,9 +60,9 @@ Obtains file information. This API uses a promise to return the result.
 
 **Return value**
 
-  | Type                          | Description        |
-  | ---------------------------- | ---------- |
-  | Promise&lt;[Stat](#stat)&gt; | Promise used to return the file information obtained.|
+| Type                          | Description        |
+| ---------------------------- | ---------- |
+| Promise&lt;[Stat](#stat)&gt; | Promise used to return the file information obtained.|
 
 **Example**
 
@@ -119,9 +117,9 @@ Synchronously obtains file information.
 
 **Return value**
 
-  | Type           | Description        |
-  | ------------- | ---------- |
-  | [Stat](#stat) | File information obtained.|
+| Type           | Description        |
+| ------------- | ---------- |
+| [Stat](#stat) | File information obtained.|
 
 **Example**
 
@@ -147,9 +145,9 @@ Opens a file directory. This API uses a promise to return the result.
 
 **Return value**
 
-  | Type                        | Description      |
-  | -------------------------- | -------- |
-  | Promise&lt;[Dir](#dir)&gt; | Promise used to return the **Dir** object.|
+| Type                        | Description      |
+| -------------------------- | -------- |
+| Promise&lt;[Dir](#dir)&gt; | Promise used to return the **Dir** object.|
 
 **Example**
 
@@ -205,9 +203,9 @@ Synchronously opens a directory.
 
 **Return value**
 
-  | Type         | Description      |
-  | ----------- | -------- |
-  | [Dir](#dir) | A **Dir** instance corresponding to the directory.|
+| Type         | Description      |
+| ----------- | -------- |
+| [Dir](#dir) | A **Dir** instance corresponding to the directory.|
 
 **Example**
 
@@ -231,13 +229,13 @@ Checks whether the current process can access a file. This API uses a promise to
 | Name| Type  | Mandatory| Description                                                        |
 | ------ | ------ | ---- | ------------------------------------------------------------ |
 | path   | string | Yes  | Application sandbox path of the file.                                  |
-| mode   | number | No  | Options for accessing the file. You can specify multiple options, separated with a bitwise OR operator (&#124;). The default value is **0**.<br>The options are as follows:<br>-&nbsp;**0**: check whether the file exists.<br>-&nbsp;**1**: check whether the current process has the execute permission on the file.<br>-&nbsp;**2**: check whether the current process has the write permission on the file.<br>-&nbsp;**4**: check whether the current process has the read permission on the file.|
+| mode   | number | No  | Options for accessing the file. You can specify multiple options, separated with a bitwise OR operator (&#124;). The default value is **0**.<br>The options are as follows:<br>- **0**: Check whether the file exists.<br>- **1**: Check whether the process has the execute permission on the file.<br>- **2**: Check whether the process has the write permission on the file.<br>- **4**: Check whether the process has the read permission on the file. |
 
 **Return value**
 
-  | Type                 | Description                          |
-  | ------------------- | ---------------------------- |
-  | Promise&lt;void&gt; | Promise that returns no value.|
+| Type                 | Description                          |
+| ------------------- | ---------------------------- |
+| Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -264,7 +262,7 @@ Checks whether the current process can access a file. This API uses an asynchron
 | Name  | Type                     | Mandatory| Description                                                        |
 | -------- | ------------------------- | ---- | ------------------------------------------------------------ |
 | path     | string                    | Yes  | Application sandbox path of the file.                                  |
-| mode     | number                    | No  | Options for accessing the file. You can specify multiple options, separated with a bitwise OR operator (&#124;). The default value is **0**.<br>The options are as follows:<br>-&nbsp;**0**: check whether the file exists.<br>-&nbsp;**1**: check whether the current process has the execute permission on the file.<br>-&nbsp;**2**: check whether the current process has the write permission on the file.<br>-&nbsp;**4**: check whether the current process has the read permission on the file.|
+| mode     | number                    | No  | Options for accessing the file. You can specify multiple options, separated with a bitwise OR operator (&#124;). The default value is **0**.<br>The options are as follows:<br>- **0**: Check whether the file exists.<br>- **1**: Check whether the process has the execute permission on the file.<br>- **2**: Check whether the process has the write permission on the file.<br>- **4**: Check whether the process has the read permission on the file. |
 | callback | AsyncCallback&lt;void&gt; | Yes  | Callback invoked when the file is asynchronously checked.                |
 
 **Example**
@@ -290,7 +288,7 @@ Synchronously checks whether the current process can access the specified file.
 | Name| Type  | Mandatory| Description                                                        |
 | ------ | ------ | ---- | ------------------------------------------------------------ |
 | path   | string | Yes  | Application sandbox path of the file.                                  |
-| mode   | number | No  | Options for accessing the file. You can specify multiple options, separated with a bitwise OR operator (&#124;). The default value is **0**.<br>The options are as follows:<br>-&nbsp;**0**: check whether the file exists.<br>-&nbsp;**1**: check whether the current process has the execute permission on the file.<br>-&nbsp;**2**: check whether the current process has the write permission on the file.<br>-&nbsp;**4**: check whether the current process has the read permission on the file.|
+| mode   | number | No  | Options for accessing the file. You can specify multiple options, separated with a bitwise OR operator (&#124;). The default value is **0**.<br>The options are as follows:<br>- **0**: Check whether the file exists.<br>- **1**: Check whether the process has the execute permission on the file.<br>- **2**: Check whether the process has the write permission on the file.<br>- **4**: Check whether the process has the read permission on the file. |
 
 **Example**
 
@@ -314,15 +312,15 @@ Closes a file. This API uses a promise to return the result.
 
 **Parameters**
 
-  | Name | Type    | Mandatory  | Description          |
-  | ---- | ------ | ---- | ------------ |
-  | fd   | number | Yes   | File descriptor of the file to close.|
+| Name | Type    | Mandatory  | Description          |
+| ---- | ------ | ---- | ------------ |
+| fd   | number | Yes   | File descriptor of the file to close.|
 
 **Return value**
 
-  | Type                 | Description                          |
-  | ------------------- | ---------------------------- |
-  | Promise&lt;void&gt; | Promise that returns no value.|
+| Type                 | Description                          |
+| ------------------- | ---------------------------- |
+| Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -347,10 +345,10 @@ Closes a file. This API uses an asynchronous callback to return the result.
 
 **Parameters**
 
-  | Name     | Type                       | Mandatory  | Description          |
-  | -------- | ------------------------- | ---- | ------------ |
-  | fd       | number                    | Yes   | File descriptor of the file to close.|
-  | callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the file is closed asynchronously.|
+| Name     | Type                       | Mandatory  | Description          |
+| -------- | ------------------------- | ---- | ------------ |
+| fd       | number                    | Yes   | File descriptor of the file to close.|
+| callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the file is closed asynchronously.|
 
 **Example**
 
@@ -373,9 +371,9 @@ Synchronously closes a file.
 
 **Parameters**
 
-  | Name | Type    | Mandatory  | Description          |
-  | ---- | ------ | ---- | ------------ |
-  | fd   | number | Yes   | File descriptor of the file to close.|
+| Name | Type    | Mandatory  | Description          |
+| ---- | ------ | ---- | ------------ |
+| fd   | number | Yes   | File descriptor of the file to close.|
 
 **Example**
 
@@ -396,17 +394,17 @@ Copies a file. This API uses a promise to return the result.
 
 **Parameters**
 
-  | Name | Type                        | Mandatory  | Description                                      |
-  | ---- | -------------------------- | ---- | ---------------------------------------- |
-  | src  | string\|number | Yes   | Path or file descriptor of the file to copy.                     |
-  | dest | string\|number | Yes   | Path or file descriptor of the new file.                         |
-  | mode | number                     | No   | Option for overwriting the file of the same name in the destination path. The default value is **0**, which is the only value supported.<br>**0**: Completely overwrite the file with the same name and truncate the part that is not overwritten.|
+| Name | Type                        | Mandatory  | Description                                      |
+| ---- | -------------------------- | ---- | ---------------------------------------- |
+| src  | string\|number | Yes   | Path or file descriptor of the file to copy.                     |
+| dest | string\|number | Yes   | Path or file descriptor of the new file.                         |
+| mode | number                     | No   | Option for overwriting the file of the same name in the destination path. The default value is **0**, which is the only value supported.<br>**0**: Completely overwrite the file with the same name and truncate the part that is not overwritten.|
 
 **Return value**
 
-  | Type                 | Description                          |
-  | ------------------- | ---------------------------- |
-  | Promise&lt;void&gt; | Promise that returns no value.|
+| Type                 | Description                          |
+| ------------------- | ---------------------------- |
+| Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -431,12 +429,12 @@ Copies a file. This API uses an asynchronous callback to return the result.
 
 **Parameters**
 
-  | Name     | Type                        | Mandatory  | Description                                      |
-  | -------- | -------------------------- | ---- | ---------------------------------------- |
-  | src      | string\|number | Yes   | Path or file descriptor of the file to copy.                     |
-  | dest     | string\|number | Yes   | Path or file descriptor of the new file.                         |
-  | mode     | number                     | No   | Option for overwriting the file of the same name in the destination path. The default value is **0**, which is the only value supported.<br>**0**: Completely overwrite the file with the same name and truncate the part that is not overwritten.|
-  | callback | AsyncCallback&lt;void&gt;  | Yes   | Callback invoked when the file is copied asynchronously.                            |
+| Name     | Type                        | Mandatory  | Description                                      |
+| -------- | -------------------------- | ---- | ---------------------------------------- |
+| src      | string\|number | Yes   | Path or file descriptor of the file to copy.                     |
+| dest     | string\|number | Yes   | Path or file descriptor of the new file.                         |
+| mode     | number                     | No   | Option for overwriting the file of the same name in the destination path. The default value is **0**, which is the only value supported.<br>**0**: Completely overwrite the file with the same name and truncate the part that is not overwritten.|
+| callback | AsyncCallback&lt;void&gt;  | Yes   | Callback invoked when the file is copied asynchronously.                            |
 
 **Example**
 
@@ -459,11 +457,11 @@ Synchronously copies a file.
 
 **Parameters**
 
-  | Name | Type                        | Mandatory  | Description                                      |
-  | ---- | -------------------------- | ---- | ---------------------------------------- |
-  | src  | string\|number | Yes   | Path or file descriptor of the file to copy.                     |
-  | dest | string\|number | Yes   | Path or file descriptor of the new file.                         |
-  | mode | number                     | No   | Option for overwriting the file of the same name in the destination path. The default value is **0**, which is the only value supported.<br>**0**: Completely overwrite the file with the same name and truncate the part that is not overwritten.|
+| Name | Type                        | Mandatory  | Description                                      |
+| ---- | -------------------------- | ---- | ---------------------------------------- |
+| src  | string\|number | Yes   | Path or file descriptor of the file to copy.                     |
+| dest | string\|number | Yes   | Path or file descriptor of the new file.                         |
+| mode | number                     | No   | Option for overwriting the file of the same name in the destination path. The default value is **0**, which is the only value supported.<br>**0**: Completely overwrite the file with the same name and truncate the part that is not overwritten.|
 
 **Example**
 
@@ -487,13 +485,13 @@ Creates a directory. This API uses a promise to return the result.
 | Name| Type  | Mandatory| Description                                                        |
 | ------ | ------ | ---- | ------------------------------------------------------------ |
 | path   | string | Yes  | Application sandbox path of the directory.                                  |
-| mode   | number | No  | Permission on the directory to create. You can specify multiple permissions, separated using a bitwise OR operator (&#124;). The default value is **0o775**.<br>-&nbsp;**0o775**: The owner has the read, write, and execute permissions, and other users have the read and execute permissions.<br>-&nbsp;**0o700**: The owner has the read, write, and execute permissions.<br>- &nbsp;**0o400**: The owner has the read permission.<br>-&nbsp;**0o200**: The owner has the write permission.<br>-&nbsp;**0o100**: The owner has the execute permission.<br>-&nbsp;**0o070**: The user group has the read, write, and execute permissions.<br>-&nbsp;**0o040**: The user group has the read permission.<br>-&nbsp;**0o020**: The user group has the write permission.<br>-&nbsp;**0o010**: The user group has the execute permission.<br>-&nbsp;**0o007**: Other users have the read, write, and execute permissions.<br>-&nbsp;**0o004**: Other users have the read permission.<br>-&nbsp;**0o002**: Other users have the write permission.<br>-&nbsp;**0o001**: Other users have the execute permission.|
+| mode   | number | No  | Permission on the directory to create. You can specify multiple permissions, separated using a bitwise OR operator (&#124;). The default value is **0o775**.<br>- **0o775**: The owner has the read, write, and execute permissions, and other users have the read and execute permissions.<br>- **0o700**: The owner has the read, write, and execute permissions.<br>- **0o400**: The owner has the read permission.<br>- **0o200**: The owner has the write permission.<br>- **0o100**: The owner has the execute permission.<br>- **0o070**: The user group has the read, write, and execute permissions.<br>- **0o040**: The user group has the read permission.<br>- **0o020**: The user group has the write permission.<br>- **0o010**: The user group has the execute permission.<br>- **0o007**: Other users have the read, write, and execute permissions.<br>- **0o004**: Other users have the read permission.<br>- **0o002**: Other users have the write permission.<br>- **0o001**: Other users have the execute permission. |
 
 **Return value**
 
-  | Type                 | Description                          |
-  | ------------------- | ---------------------------- |
-  | Promise&lt;void&gt; | Promise that returns no value.|
+| Type                 | Description                          |
+| ------------------- | ---------------------------- |
+| Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -520,7 +518,7 @@ Creates a directory. This API uses an asynchronous callback to return the result
 | Name  | Type                     | Mandatory| Description                                                        |
 | -------- | ------------------------- | ---- | ------------------------------------------------------------ |
 | path     | string                    | Yes  | Application sandbox path of the directory.                                  |
-| mode     | number                    | No  | Permission on the directory to create. You can specify multiple permissions, separated using a bitwise OR operator (&#124;). The default value is **0o775**.<br>-&nbsp;**0o775**: The owner has the read, write, and execute permissions, and other users have the read and execute permissions.<br>-&nbsp;**0o700**: The owner has the read, write, and execute permissions.<br>- &nbsp;**0o400**: The owner has the read permission.<br>-&nbsp;**0o200**: The owner has the write permission.<br>-&nbsp;**0o100**: The owner has the execute permission.<br>-&nbsp;**0o070**: The user group has the read, write, and execute permissions.<br>-&nbsp;**0o040**: The user group has the read permission.<br>-&nbsp;**0o020**: The user group has the write permission.<br>-&nbsp;**0o010**: The user group has the execute permission.<br>-&nbsp;**0o007**: Other users have the read, write, and execute permissions.<br>-&nbsp;**0o004**: Other users have the read permission.<br>-&nbsp;**0o002**: Other users have the write permission.<br>-&nbsp;**0o001**: Other users have the execute permission.|
+| mode     | number                    | No  | Permission on the directory to create. You can specify multiple permissions, separated using a bitwise OR operator (&#124;). The default value is **0o775**.<br>- **0o775**: The owner has the read, write, and execute permissions, and other users have the read and execute permissions.<br>- **0o700**: The owner has the read, write, and execute permissions.<br>- **0o400**: The owner has the read permission.<br>- **0o200**: The owner has the write permission.<br>- **0o100**: The owner has the execute permission.<br>- **0o070**: The user group has the read, write, and execute permissions.<br>- **0o040**: The user group has the read permission.<br>- **0o020**: The user group has the write permission.<br>- **0o010**: The user group has the execute permission.<br>- **0o007**: Other users have the read, write, and execute permissions.<br>- **0o004**: Other users have the read permission.<br>- **0o002**: Other users have the write permission.<br>- **0o001**: Other users have the execute permission. |
 | callback | AsyncCallback&lt;void&gt; | Yes  | Callback invoked when the directory is created asynchronously.                            |
 
 **Example**
@@ -546,7 +544,7 @@ Synchronously creates a directory.
 | Name| Type  | Mandatory| Description                                                        |
 | ------ | ------ | ---- | ------------------------------------------------------------ |
 | path   | string | Yes  | Application sandbox path of the directory.                                  |
-| mode   | number | No  | Permission on the directory to create. You can specify multiple permissions, separated using a bitwise OR operator (&#124;). The default value is **0o775**.<br>-&nbsp;**0o775**: The owner has the read, write, and execute permissions, and other users have the read and execute permissions.<br>-&nbsp;**0o700**: The owner has the read, write, and execute permissions.<br>- &nbsp;**0o400**: The owner has the read permission.<br>-&nbsp;**0o200**: The owner has the write permission.<br>-&nbsp;**0o100**: The owner has the execute permission.<br>-&nbsp;**0o070**: The user group has the read, write, and execute permissions.<br>-&nbsp;**0o040**: The user group has the read permission.<br>-&nbsp;**0o020**: The user group has the write permission.<br>-&nbsp;**0o010**: The user group has the execute permission.<br>-&nbsp;**0o007**: Other users have the read, write, and execute permissions.<br>-&nbsp;**0o004**: Other users have the read permission.<br>-&nbsp;**0o002**: Other users have the write permission.<br>-&nbsp;**0o001**: Other users have the execute permission.|
+| mode   | number | No  | Permission on the directory to create. You can specify multiple permissions, separated using a bitwise OR operator (&#124;). The default value is **0o775**.<br>- **0o775**: The owner has the read, write, and execute permissions, and other users have the read and execute permissions.<br>- **0o700**: The owner has the read, write, and execute permissions.<br>- **0o400**: The owner has the read permission.<br>- **0o200**: The owner has the write permission.<br>- **0o100**: The owner has the execute permission.<br>- **0o070**: The user group has the read, write, and execute permissions.<br>- **0o040**: The user group has the read permission.<br>- **0o020**: The user group has the write permission.<br>- **0o010**: The user group has the execute permission.<br>- **0o007**: Other users have the read, write, and execute permissions.<br>- **0o004**: Other users have the read permission.<br>- **0o002**: Other users have the write permission.<br>- **0o001**: Other users have the execute permission. |
 
 **Example**
 
@@ -569,14 +567,14 @@ Opens a file. This API uses a promise to return the result.
 | Name| Type  | Mandatory| Description                                                        |
 | ------ | ------ | ---- | ------------------------------------------------------------ |
 | path   | string | Yes  | Application sandbox path of the file.                                  |
-| flags  | number | No  | Option for opening the file. You must specify one of the following options. By default, the file is open in read-only mode.<br>-&nbsp;**0o0**: Open the file in read-only mode.<br>-&nbsp;**0o1**: Open the file in write-only mode.<br>-&nbsp;**0o2**: Open the file in read/write mode.<br>In addition, you can specify the following options, separated using a bitwise OR operator (&#124;). By default, no additional option is specified.<br>-&nbsp;**0o100**: If the file does not exist, create it. If you use this option, you must also specify **mode**.<br>-&nbsp;**0o200**: If **0o100** is added and the file already exists, throw an exception.<br>-&nbsp;**0o1000**: If the file exists and is open in write-only or read/write mode, truncate the file length to 0.<br>-&nbsp;**0o2000**: Open the file in append mode. New data will be appended to the file (added to the end of the file).<br>-&nbsp;**0o4000**: If **path** points to a named pipe (also known as a FIFO), block special file, or character special file, perform non-blocking operations on the open file and in subsequent I/Os.<br>-&nbsp;**0o200000**: If **path** does not point to a directory, throw an exception.<br><br>-&nbsp;**0o400000**: If **path** points to a symbolic link, throw an exception.<br>-&nbsp;**0o4010000**: Open the file in synchronous I/O mode.|
-| mode   | number | No  | Permissions on the file. You can specify multiple permissions, separated using a bitwise OR operator (&#124;). The default value is **0o666**.<br>-&nbsp;**0o666**: The owner, user group, and other users have the read and write permissions on the file.<br>-&nbsp;**0o700**: The owner has the read, write, and execute permissions.<br>- &nbsp;**0o400**: The owner has the read permission.<br>-&nbsp;**0o200**: The owner has the write permission.<br>-&nbsp;**0o100**: The owner has the execute permission.<br>-&nbsp;**0o070**: The user group has the read, write, and execute permissions.<br>-&nbsp;**0o040**: The user group has the read permission.<br>-&nbsp;**0o020**: The user group has the write permission.<br>-&nbsp;**0o010**: The user group has the execute permission.<br>-&nbsp;**0o007**: Other users have the read, write, and execute permissions.<br>-&nbsp;**0o004**: Other users have the read permission.<br>-&nbsp;**0o002**: Other users have the write permission.<br>-&nbsp;**0o001**: Other users have the execute permission.|
+| flags  | number | No  | Option for opening the file. You must specify one of the following options. By default, the file is open in read-only mode.<br>- **0o0**: Open the file in read-only mode.<br>- **0o1**: Open the file in write-only mode.<br>- **0o2**: Open the file in read/write mode.<br>In addition, you can specify the following options, separated using a bitwise OR operator (&#124;). By default, no additional option is specified.<br>- **0o100**: If the file does not exist, create a file. The third parameter **mode** must also be specified.<br>- **0o200**: If **0o100** is added and the file already exists, throw an exception.<br>- **0o1000**: If the file exists and is open in write-only or read/write mode, truncate the file length to 0.<br>- **0o2000**: Open the file in append mode. New data will be appended to the file (written to the end of the file).<br>- **0o4000**: If **path** points to a named pipe (also known as a FIFO), block special file, or character special file, perform non-blocking operations on the open file and in subsequent I/Os.<br>- **0o200000**: If **path** does not point to a directory, throw an exception.<br>- **0o400000**: If **path** points to a symbolic link, throw an exception.<br>- **0o4010000**: Open the file in synchronous I/O mode.|
+| mode   | number | No  | Permissions on the file. You can specify multiple permissions, separated using a bitwise OR operator (&#124;). The default value is **0o666**.<br>- **0o666**: The owner, user group, and other users have the read and write permissions.<br>- **0o700**: The owner has the read, write, and execute permissions.<br>- **0o400**: The owner has the read permission.<br>- **0o200**: The owner has the write permission.<br>- **0o100**: The owner has the execute permission.<br>- **0o070**: The user group has the read, write, and execute permissions.<br>- **0o040**: The user group has the read permission.<br>- **0o020**: The user group has the write permission.<br>- **0o010**: The user group has the execute permission.<br>- **0o007**: Other users have the read, write, and execute permissions.<br>- **0o004**: Other users have the read permission.<br>- **0o002**: Other users have the write permission.<br>- **0o001**: Other users have the execute permission. |
 
 **Return value**
 
-  | Type                   | Description         |
-  | --------------------- | ----------- |
-  | Promise&lt;number&gt; | Promise used to return the file descriptor of the file opened.|
+| Type                   | Description         |
+| --------------------- | ----------- |
+| Promise&lt;number&gt; | Promise used to return the file descriptor of the file opened.|
 
 **Example**
 
@@ -603,8 +601,8 @@ Opens a file. This API uses an asynchronous callback to return the result.
 | Name  | Type                           | Mandatory| Description                                                        |
 | -------- | ------------------------------- | ---- | ------------------------------------------------------------ |
 | path     | string                          | Yes  | Application sandbox path of the file.                                  |
-| flags    | number                          | No  | Option for opening the file. You must specify one of the following options. By default, the file is open in read-only mode.<br>-&nbsp;**0o0**: Open the file in read-only mode.<br>-&nbsp;**0o1**: Open the file in write-only mode.<br>-&nbsp;**0o2**: Open the file in read/write mode.<br>In addition, you can specify the following options, separated using a bitwise OR operator (&#124;). By default, no additional option is specified.<br>-&nbsp;**0o100**: If the file does not exist, create it. If you use this option, you must also specify **mode**.<br>-&nbsp;**0o200**: If **0o100** is added and the file already exists, throw an exception.<br>-&nbsp;**0o1000**: If the file exists and is open in write-only or read/write mode, truncate the file length to 0.<br>-&nbsp;**0o2000**: Open the file in append mode. New data will be appended to the file (added to the end of the file).<br>-&nbsp;**0o4000**: If **path** points to a named pipe (also known as a FIFO), block special file, or character special file, perform non-blocking operations on the open file and in subsequent I/Os.<br>-&nbsp;**0o200000**: If **path** does not point to a directory, throw an exception.<br><br>-&nbsp;**0o400000**: If **path** points to a symbolic link, throw an exception.<br>-&nbsp;**0o4010000**: Open the file in synchronous I/O mode.|
-| mode     | number                          | No  | Permissions on the file. You can specify multiple permissions, separated using a bitwise OR operator (&#124;). The default value is **0o666**.<br>-&nbsp;**0o666**: The owner, user group, and other users have the read and write permissions on the file.<br>-&nbsp;**0o700**: The owner has the read, write, and execute permissions.<br>- &nbsp;**0o400**: The owner has the read permission.<br>-&nbsp;**0o200**: The owner has the write permission.<br>-&nbsp;**0o100**: The owner has the execute permission.<br>-&nbsp;**0o070**: The user group has the read, write, and execute permissions.<br>-&nbsp;**0o040**: The user group has the read permission.<br>-&nbsp;**0o020**: The user group has the write permission.<br>-&nbsp;**0o010**: The user group has the execute permission.<br>-&nbsp;**0o007**: Other users have the read, write, and execute permissions.<br>-&nbsp;**0o004**: Other users have the read permission.<br>-&nbsp;**0o002**: Other users have the write permission.<br>-&nbsp;**0o001**: Other users have the execute permission.|
+| flags    | number                          | No  | Option for opening the file. You must specify one of the following options. By default, the file is open in read-only mode.<br>- **0o0**: Open the file in read-only mode.<br>- **0o1**: Open the file in write-only mode.<br>- **0o2**: Open the file in read/write mode.<br>In addition, you can specify the following options, separated using a bitwise OR operator (&#124;). By default, no additional option is specified.<br>- **0o100**: If the file does not exist, create a file. The third parameter **mode** must also be specified.<br>- **0o200**: If **0o100** is added and the file already exists, throw an exception.<br>- **0o1000**: If the file exists and is open in write-only or read/write mode, truncate the file length to 0.<br>- **0o2000**: Open the file in append mode. New data will be appended to the file (written to the end of the file).<br>- **0o4000**: If **path** points to a named pipe (also known as a FIFO), block special file, or character special file, perform non-blocking operations on the open file and in subsequent I/Os.<br>- **0o200000**: If **path** does not point to a directory, throw an exception.<br>- **0o400000**: If **path** points to a symbolic link, throw an exception.<br>- **0o4010000**: Open the file in synchronous I/O mode.|
+| mode     | number                          | No  | Permissions on the file. You can specify multiple permissions, separated using a bitwise OR operator (&#124;). The default value is **0o666**.<br>- **0o666**: The owner, user group, and other users have the read and write permissions.<br>- **0o700**: The owner has the read, write, and execute permissions.<br>- **0o400**: The owner has the read permission.<br>- **0o200**: The owner has the write permission.<br>- **0o100**: The owner has the execute permission.<br>- **0o070**: The user group has the read, write, and execute permissions.<br>- **0o040**: The user group has the read permission.<br>- **0o020**: The user group has the write permission.<br>- **0o010**: The user group has the execute permission.<br>- **0o007**: Other users have the read, write, and execute permissions.<br>- **0o004**: Other users have the read permission.<br>- **0o002**: Other users have the write permission.<br>- **0o001**: Other users have the execute permission. |
 | callback | AsyncCallback&lt;number&gt; | Yes  | Callback invoked when the file is open asynchronously.                                    |
 
 **Example**
@@ -630,14 +628,14 @@ Synchronously opens a file.
 | Name| Type  | Mandatory| Description                                                        |
 | ------ | ------ | ---- | ------------------------------------------------------------ |
 | path   | string | Yes  | Application sandbox path of the file.                                  |
-| flags  | number | No  | Option for opening the file. You must specify one of the following options. By default, the file is open in read-only mode.<br>-&nbsp;**0o0**: Open the file in read-only mode.<br>-&nbsp;**0o1**: Open the file in write-only mode.<br>-&nbsp;**0o2**: Open the file in read/write mode.<br>In addition, you can specify the following options, separated using a bitwise OR operator (&#124;). By default, no additional option is specified.<br>-&nbsp;**0o100**: If the file does not exist, create it. If you use this option, you must also specify **mode**.<br>-&nbsp;**0o200**: If **0o100** is added and the file already exists, throw an exception.<br>-&nbsp;**0o1000**: If the file exists and is open in write-only or read/write mode, truncate the file length to 0.<br>-&nbsp;**0o2000**: Open the file in append mode. New data will be appended to the file (added to the end of the file).<br>-&nbsp;**0o4000**: If **path** points to a named pipe (also known as a FIFO), block special file, or character special file, perform non-blocking operations on the open file and in subsequent I/Os.<br>-&nbsp;**0o200000**: If **path** does not point to a directory, throw an exception.<br><br>-&nbsp;**0o400000**: If **path** points to a symbolic link, throw an exception.<br>-&nbsp;**0o4010000**: Open the file in synchronous I/O mode.|
-| mode   | number | No  | Permissions on the file. You can specify multiple permissions, separated using a bitwise OR operator (&#124;). The default value is **0o666**.<br>-&nbsp;**0o666**: The owner, user group, and other users have the read and write permissions on the file.<br>-&nbsp;**0o640**: The owner has the read and write permissions, and the user group has the read permission.<br>-&nbsp;**0o700**: The owner has the read, write, and execute permissions.<br>- &nbsp;**0o400**: The owner has the read permission.<br>-&nbsp;**0o200**: The owner has the write permission.<br>-&nbsp;**0o100**: The owner has the execute permission.<br>-&nbsp;**0o070**: The user group has the read, write, and execute permissions.<br>-&nbsp;**0o040**: The user group has the read permission.<br>-&nbsp;**0o020**: The user group has the write permission.<br>-&nbsp;**0o010**: The user group has the execute permission.<br>-&nbsp;**0o007**: Other users have the read, write, and execute permissions.<br>-&nbsp;**0o004**: Other users have the read permission.<br>-&nbsp;**0o002**: Other users have the write permission.<br>-&nbsp;**0o001**: Other users have the execute permission.<br>The file permissions on newly created files are affected by umask, which is set as the process starts. Currently, the modification of umask is not open.|
+| flags  | number | No  | Option for opening the file. You must specify one of the following options. By default, the file is open in read-only mode.<br>- **0o0**: Open the file in read-only mode.<br>- **0o1**: Open the file in write-only mode.<br>- **0o2**: Open the file in read/write mode.<br>In addition, you can specify the following options, separated using a bitwise OR operator (&#124;). By default, no additional option is specified.<br>- **0o100**: If the file does not exist, create a file. The third parameter **mode** must also be specified.<br>- **0o200**: If **0o100** is added and the file already exists, throw an exception.<br>- **0o1000**: If the file exists and is open in write-only or read/write mode, truncate the file length to 0.<br>- **0o2000**: Open the file in append mode. New data will be appended to the file (written to the end of the file).<br>- **0o4000**: If **path** points to a named pipe (also known as a FIFO), block special file, or character special file, perform non-blocking operations on the open file and in subsequent I/Os.<br>- **0o200000**: If **path** does not point to a directory, throw an exception.<br>- **0o400000**: If **path** points to a symbolic link, throw an exception.<br>- **0o4010000**: Open the file in synchronous I/O mode.|
+| mode   | number | No  | Permissions on the file. You can specify multiple permissions, separated using a bitwise OR operator (&#124;). The default value is **0o666**.<br>- **0o666**: The owner, user group, and other users have the read and write permissions.<br>- **0o640**: The owner has the read and write permissions, and the user group has the read permission.<br>- **0o700**: The owner has the read, write, and execute permissions.<br>- **0o400**: The owner has the read permission.<br>- **0o200**: The owner has the write permission.<br>- **0o100**: The owner has the execute permission.<br>- **0o070**: The user group has the read, write, and execute permissions.<br>- **0o040**: The user group has the read permission.<br>- **0o020**: The user group has the write permission.<br>- **0o010**: The user group has the execute permission.<br>- **0o007**: Other users have the read, write, and execute permissions.<br>- **0o004**: Other users have the read permission.<br>- **0o002**: Other users have the write permission.<br>- **0o001**: Other users have the execute permission.<br>The file permissions on newly created files are affected by umask, which is set as the process starts. Currently, the modification of umask is not open. |
 
 **Return value**
 
-  | Type    | Description         |
-  | ------ | ----------- |
-  | number | File descriptor of the file opened.|
+| Type    | Description         |
+| ------ | ----------- |
+| number | File descriptor of the file opened.|
 
 **Example**
 
@@ -670,13 +668,13 @@ Reads data from a file. This API uses a promise to return the result.
 | ------- | ----------- | ---- | ------------------------------------------------------------ |
 | fd      | number      | Yes  | File descriptor of the file to read.                                    |
 | buffer  | ArrayBuffer | Yes  | Buffer used to store the file data read.                          |
-| options | Object      | No  | The options are as follows:<br>-&nbsp;**offset** (number): position to store the data read in the buffer in reference to the start address of the buffer. The default value is **0**.<br>-&nbsp;**length** (number): length of the data to read. The default value is the buffer length minus the offset.<br>-&nbsp;**position** (number): position of the data to read in the file. By default, data is read from the current position.<br>Constraints: offset + length <= Buffer size|
+| options | Object      | No  | The options are as follows:<br>- **offset** (number): position to store the data read in the buffer in reference to the start address of the buffer. The default value is **0**.<br>- **length** (number): length of the data to read. The default value is the buffer length minus the offset.<br>- **position** (number): position of the data to read in the file. By default, data is read from the current position.<br>Constraints: offset + length <= Buffer size|
 
 **Return value**
 
-  | Type                                | Description    |
-  | ---------------------------------- | ------ |
-  | Promise&lt;[ReadOut](#readout)&gt; | Promise used to return the data read.|
+| Type                                | Description    |
+| ---------------------------------- | ------ |
+| Promise&lt;[ReadOut](#readout)&gt; | Promise used to return the data read.|
 
 **Example**
 
@@ -703,12 +701,12 @@ Reads data from a file. This API uses an asynchronous callback to return the res
 
 **Parameters**
 
-  | Name     | Type                                      | Mandatory  | Description                                      |
-  | -------- | ---------------------------------------- | ---- | ---------------------------------------- |
-  | fd       | number                                   | Yes   | File descriptor of the file to read.                            |
-  | buffer   | ArrayBuffer                              | Yes   | Buffer used to store the file data read.                       |
-  | options  | Object                                   | No   | The options are as follows:<br>-&nbsp;**offset** (number): position to store the data read in the buffer in reference to the start address of the buffer. The default value is **0**.<br>-&nbsp;**length** (number): length of the data to read. The default value is the buffer length minus the offset.<br>-&nbsp;**position** (number): position of the data to read in the file. By default, data is read from the current position.<br>Constraints: offset + length <= Buffer size |
-  | callback | AsyncCallback&lt;[ReadOut](#readout)&gt; | Yes   | Callback invoked when the data is read asynchronously.                            |
+| Name     | Type                                      | Mandatory  | Description                                      |
+| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
+| fd       | number                                   | Yes   | File descriptor of the file to read.                            |
+| buffer   | ArrayBuffer                              | Yes   | Buffer used to store the file data read.                       |
+| options  | Object                                   | No   | The options are as follows:<br>- **offset** (number): position to store the data read in the buffer in reference to the start address of the buffer. The default value is **0**.<br>- **length** (number): length of the data to read. The default value is the buffer length minus the offset.<br>- **position** (number): position of the data to read in the file. By default, data is read from the current position.<br>Constraints: offset + length <= Buffer size |
+| callback | AsyncCallback&lt;[ReadOut](#readout)&gt; | Yes   | Callback invoked when the data is read asynchronously.                            |
 
 **Example**
 
@@ -735,17 +733,17 @@ Synchronously reads data from a file.
 
 **Parameters**
 
-  | Name    | Type         | Mandatory  | Description                                      |
-  | ------- | ----------- | ---- | ---------------------------------------- |
-  | fd      | number      | Yes   | File descriptor of the file to read.                            |
-  | buffer  | ArrayBuffer | Yes   | Buffer used to store the file data read.                       |
-  | options | Object      | No   | The options are as follows:<br>-&nbsp;**offset** (number): position to store the data read in the buffer in reference to the start address of the buffer. The default value is **0**.<br>-&nbsp;**length** (number): length of the data to read. The default value is the buffer length minus the offset.<br>-&nbsp;**position** (number): position of the data to read in the file. By default, data is read from the current position.<br>Constraints: offset + length <= Buffer size |
+| Name    | Type         | Mandatory  | Description                                      |
+| ------- | ----------- | ---- | ---------------------------------------- |
+| fd      | number      | Yes   | File descriptor of the file to read.                            |
+| buffer  | ArrayBuffer | Yes   | Buffer used to store the file data read.                       |
+| options | Object      | No   | The options are as follows:<br>- **offset** (number): position to store the data read in the buffer in reference to the start address of the buffer. The default value is **0**.<br>- **length** (number): length of the data to read. The default value is the buffer length minus the offset.<br>- **position** (number): position of the data to read in the file. By default, data is read from the current position.<br>Constraints: offset + length <= Buffer size |
 
 **Return value**
 
-  | Type    | Description      |
-  | ------ | -------- |
-  | number | Length of the data read.|
+| Type    | Description      |
+| ------ | -------- |
+| number | Length of the data read.|
 
 **Example**
 
@@ -773,9 +771,9 @@ Deletes a directory. This API uses a promise to return the result.
 
 **Return value**
 
-  | Type                 | Description                          |
-  | ------------------- | ---------------------------- |
-  | Promise&lt;void&gt; | Promise that returns no value.|
+| Type                 | Description                          |
+| ------------------- | ---------------------------- |
+| Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -853,9 +851,9 @@ Deletes a file. This API uses a promise to return the result.
 
 **Return value**
 
-  | Type                 | Description                          |
-  | ------------------- | ---------------------------- |
-  | Promise&lt;void&gt; | Promise that returns no value.|
+| Type                 | Description                          |
+| ------------------- | ---------------------------- |
+| Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -926,17 +924,17 @@ Writes data into a file. This API uses a promise to return the result.
 
 **Parameters**
 
-  | Name    | Type                             | Mandatory  | Description                                      |
-  | ------- | ------------------------------- | ---- | ---------------------------------------- |
-  | fd      | number                          | Yes   | File descriptor of the file to write.                            |
-  | buffer  | ArrayBuffer\|string | Yes   | Data to write. It can be a string or data from a buffer.                    |
-  | options | Object                          | No   | The options are as follows:<br>-&nbsp;**offset** (number): position of the data to write in reference to the start address of the data. The default value is **0**.<br>-&nbsp;**length** (number): length of the data to write. The default value is the buffer length minus the offset.<br>-&nbsp;**position** (number): start position to write the data in the file. By default, data is written from the current position.<br>-&nbsp;**encoding** (string): format of the string to be encoded. The default value is **utf-8**, which is the only value supported.<br>Constraints: offset + length <= Buffer size|
+| Name    | Type                             | Mandatory  | Description                                      |
+| ------- | ------------------------------- | ---- | ---------------------------------------- |
+| fd      | number                          | Yes   | File descriptor of the file to write.                            |
+| buffer  | ArrayBuffer\|string | Yes   | Data to write. It can be a string or data from a buffer.                    |
+| options | Object                          | No   | The options are as follows:<br>- **offset** (number): position of the data to write in reference to the start address of the data. The default value is **0**.<br>- **length** (number): length of the data to write. The default value is the buffer length minus the offset.<br>- **position** (number): start position to write the data in the file. By default, data is written from the current position.<br>- **encoding** (string): format of the data to be encoded when the data is a string. The default value is **'utf-8'**, which is the only value supported.<br>Constraints: offset + length <= Buffer size|
 
 **Return value**
 
-  | Type                   | Description      |
-  | --------------------- | -------- |
-  | Promise&lt;number&gt; | Promise used to return the length of the data written.|
+| Type                   | Description      |
+| --------------------- | -------- |
+| Promise&lt;number&gt; | Promise used to return the length of the data written.|
 
 **Example**
 
@@ -961,12 +959,12 @@ Writes data into a file. This API uses an asynchronous callback to return the re
 
 **Parameters**
 
-  | Name     | Type                             | Mandatory  | Description                                      |
-  | -------- | ------------------------------- | ---- | ---------------------------------------- |
-  | fd       | number                          | Yes   | File descriptor of the file to write.                            |
-  | buffer   | ArrayBuffer\|string | Yes   | Data to write. It can be a string or data from a buffer.                    |
-  | options  | Object                          | No   | The options are as follows:<br>-&nbsp;**offset** (number): position of the data to write in reference to the start address of the data. The default value is **0**.<br>-&nbsp;**length** (number): length of the data to write. The default value is the buffer length minus the offset.<br>-&nbsp;**position** (number): start position to write the data in the file. By default, data is written from the current position.<br>-&nbsp;**encoding** (string): format of the string to be encoded. The default value is **utf-8**, which is the only value supported.<br>Constraints: offset + length <= Buffer size|
-  | callback | AsyncCallback&lt;number&gt;     | Yes   | Callback invoked when the data is written asynchronously.                      |
+| Name     | Type                             | Mandatory  | Description                                      |
+| -------- | ------------------------------- | ---- | ---------------------------------------- |
+| fd       | number                          | Yes   | File descriptor of the file to write.                            |
+| buffer   | ArrayBuffer\|string | Yes   | Data to write. It can be a string or data from a buffer.                    |
+| options  | Object                          | No   | The options are as follows:<br>- **offset** (number): position of the data to write in reference to the start address of the data. The default value is **0**.<br>- **length** (number): length of the data to write. The default value is the buffer length minus the offset.<br>- **position** (number): start position to write the data in the file. By default, data is written from the current position.<br>- **encoding** (string): format of the data to be encoded when the data is a string. The default value is **'utf-8'**, which is the only value supported.<br>Constraints: offset + length <= Buffer size|
+| callback | AsyncCallback&lt;number&gt;     | Yes   | Callback invoked when the data is written asynchronously.                      |
 
 **Example**
 
@@ -991,17 +989,17 @@ Synchronously writes data into a file.
 
 **Parameters**
 
-  | Name    | Type                             | Mandatory  | Description                                      |
-  | ------- | ------------------------------- | ---- | ---------------------------------------- |
-  | fd      | number                          | Yes   | File descriptor of the file to write.                            |
-  | buffer  | ArrayBuffer\|string | Yes   | Data to write. It can be a string or data from a buffer.                    |
-  | options | Object                          | No   | The options are as follows:<br>-&nbsp;**offset** (number): position of the data to write in reference to the start address of the data. The default value is **0**.<br>-&nbsp;**length** (number): length of the data to write. The default value is the buffer length minus the offset.<br>-&nbsp;**position** (number): start position to write the data in the file. By default, data is written from the current position.<br>-&nbsp;**encoding** (string): format of the string to be encoded. The default value is **utf-8**, which is the only value supported.<br>Constraints: offset + length <= Buffer size|
+| Name    | Type                             | Mandatory  | Description                                      |
+| ------- | ------------------------------- | ---- | ---------------------------------------- |
+| fd      | number                          | Yes   | File descriptor of the file to write.                            |
+| buffer  | ArrayBuffer\|string | Yes   | Data to write. It can be a string or data from a buffer.                    |
+| options | Object                          | No   | The options are as follows:<br>- **offset** (number): position of the data to write in reference to the start address of the data. The default value is **0**.<br>- **length** (number): length of the data to write. The default value is the buffer length minus the offset.<br>- **position** (number): start position to write the data in the file. By default, data is written from the current position.<br>- **encoding** (string): format of the data to be encoded when the data is a string. The default value is **'utf-8'**, which is the only value supported.<br>Constraints: offset + length <= Buffer size|
 
 **Return value**
 
-  | Type    | Description      |
-  | ------ | -------- |
-  | number | Length of the data written in the file.|
+| Type    | Description      |
+| ------ | -------- |
+| number | Length of the data written in the file.|
 
 **Example**
 
@@ -1029,9 +1027,9 @@ Calculates the hash value of a file. This API uses a promise to return the resul
 
 **Return value**
 
-  | Type                   | Description                        |
-  | --------------------- | -------------------------- |
-  | Promise&lt;string&gt; | Promise used to return the hash value obtained. The hash value is a hexadecimal string consisting of digits and uppercase letters.|
+| Type                   | Description                        |
+| --------------------- | -------------------------- |
+| Promise&lt;string&gt; | Promise used to return the hash value obtained. The hash value is a hexadecimal string consisting of digits and uppercase letters.|
 
 **Example**
 
@@ -1086,13 +1084,13 @@ Changes file permissions. This API uses a promise to return the result.
 | Name| Type  | Mandatory| Description                                                        |
 | ------ | ------ | ---- | ------------------------------------------------------------ |
 | path   | string | Yes  | Application sandbox path of the file.                              |
-| mode   | number | Yes  | Permissions on the file. You can specify multiple permissions, separated using a bitwise OR operator (&#124;).<br>-&nbsp;**0o700**: The owner has the read, write, and execute permissions.<br>- &nbsp;**0o400**: The owner has the read permission.<br>-&nbsp;**0o200**: The owner has the write permission.<br>-&nbsp;**0o100**: The owner has the execute permission.<br>-&nbsp;**0o070**: The user group has the read, write, and execute permissions.<br>-&nbsp;**0o040**: The user group has the read permission.<br>-&nbsp;**0o020**: The user group has the write permission.<br>-&nbsp;**0o010**: The user group has the execute permission.<br>-&nbsp;**0o007**: Other users have the read, write, and execute permissions.<br>-&nbsp;**0o004**: Other users have the read permission.<br>-&nbsp;**0o002**: Other users have the write permission.<br>-&nbsp;**0o001**: Other users have the execute permission.|
+| mode   | number | Yes  | Permissions on the file. You can specify multiple permissions, separated using a bitwise OR operator (&#124;).<br>- **0o700**: The owner has the read, write, and execute permissions.<br>- **0o400**: The owner has the read permission.<br>- **0o200**: The owner has the write permission.<br>- **0o100**: The owner has the execute permission.<br>- **0o070**: The user group has the read, write, and execute permissions.<br>- **0o040**: The user group has the read permission.<br>- **0o020**: The user group has the write permission.<br>- **0o010**: The user group has the execute permission.<br>- **0o007**: Other users have the read, write, and execute permissions.<br>- **0o004**: Other users have the read permission.<br>- **0o002**: Other users have the write permission.<br>- **0o001**: Other users have the execute permission. |
 
 **Return value**
 
-  | Type                 | Description                          |
-  | ------------------- | ---------------------------- |
-  | Promise&lt;void&gt; | Promise that returns no value.|
+| Type                 | Description                          |
+| ------------------- | ---------------------------- |
+| Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -1119,7 +1117,7 @@ Changes file permissions. This API uses an asynchronous callback to return the r
 | Name  | Type                     | Mandatory| Description                                                        |
 | -------- | ------------------------- | ---- | ------------------------------------------------------------ |
 | path     | string                    | Yes  | Application sandbox path of the file.                              |
-| mode     | number                    | Yes  | Permissions on the file. You can specify multiple permissions, separated using a bitwise OR operator (&#124;).<br>-&nbsp;**0o700**: The owner has the read, write, and execute permissions.<br>- &nbsp;**0o400**: The owner has the read permission.<br>-&nbsp;**0o200**: The owner has the write permission.<br>-&nbsp;**0o100**: The owner has the execute permission.<br>-&nbsp;**0o070**: The user group has the read, write, and execute permissions.<br>-&nbsp;**0o040**: The user group has the read permission.<br>-&nbsp;**0o020**: The user group has the write permission.<br>-&nbsp;**0o010**: The user group has the execute permission.<br>-&nbsp;**0o007**: Other users have the read, write, and execute permissions.<br>-&nbsp;**0o004**: Other users have the read permission.<br>-&nbsp;**0o002**: Other users have the write permission.<br>-&nbsp;**0o001**: Other users have the execute permission.|
+| mode     | number                    | Yes  | Permissions on the file. You can specify multiple permissions, separated using a bitwise OR operator (&#124;).<br>- **0o700**: The owner has the read, write, and execute permissions.<br>- **0o400**: The owner has the read permission.<br>- **0o200**: The owner has the write permission.<br>- **0o100**: The owner has the execute permission.<br>- **0o070**: The user group has the read, write, and execute permissions.<br>- **0o040**: The user group has the read permission.<br>- **0o020**: The user group has the write permission.<br>- **0o010**: The user group has the execute permission.<br>- **0o007**: Other users have the read, write, and execute permissions.<br>- **0o004**: Other users have the read permission.<br>- **0o002**: Other users have the write permission.<br>- **0o001**: Other users have the execute permission. |
 | callback | AsyncCallback&lt;void&gt; | Yes  | Callback invoked when the file permissions are changed asynchronously.                                |
 
 **Example**
@@ -1145,7 +1143,7 @@ Synchronously changes file permissions.
 | Name| Type  | Mandatory| Description                                                        |
 | ------ | ------ | ---- | ------------------------------------------------------------ |
 | path   | string | Yes  | Application sandbox path of the file.                              |
-| mode   | number | Yes  | Permissions on the file. You can specify multiple permissions, separated using a bitwise OR operator (&#124;).<br>-&nbsp;**0o700**: The owner has the read, write, and execute permissions.<br>- &nbsp;**0o400**: The owner has the read permission.<br>-&nbsp;**0o200**: The owner has the write permission.<br>-&nbsp;**0o100**: The owner has the execute permission.<br>-&nbsp;**0o070**: The user group has the read, write, and execute permissions.<br>-&nbsp;**0o040**: The user group has the read permission.<br>-&nbsp;**0o020**: The user group has the write permission.<br>-&nbsp;**0o010**: The user group has the execute permission.<br>-&nbsp;**0o007**: Other users have the read, write, and execute permissions.<br>-&nbsp;**0o004**: Other users have the read permission.<br>-&nbsp;**0o002**: Other users have the write permission.<br>-&nbsp;**0o001**: Other users have the execute permission.|
+| mode   | number | Yes  | Permissions on the file. You can specify multiple permissions, separated using a bitwise OR operator (&#124;).<br>- **0o700**: The owner has the read, write, and execute permissions.<br>- **0o400**: The owner has the read permission.<br>- **0o200**: The owner has the write permission.<br>- **0o100**: The owner has the execute permission.<br>- **0o070**: The user group has the read, write, and execute permissions.<br>- **0o040**: The user group has the read permission.<br>- **0o020**: The user group has the write permission.<br>- **0o010**: The user group has the execute permission.<br>- **0o007**: Other users have the read, write, and execute permissions.<br>- **0o004**: Other users have the read permission.<br>- **0o002**: Other users have the write permission.<br>- **0o001**: Other users have the execute permission. |
 
 **Example**
 
@@ -1165,15 +1163,15 @@ Obtains file information based on the file descriptor. This API uses a promise t
 
 **Parameters**
 
-  | Name | Type    | Mandatory  | Description          |
-  | ---- | ------ | ---- | ------------ |
-  | fd   | number | Yes   | Descriptor of the target file.|
+| Name | Type    | Mandatory  | Description          |
+| ---- | ------ | ---- | ------------ |
+| fd   | number | Yes   | Descriptor of the target file.|
 
 **Return value**
 
-  | Type                          | Description        |
-  | ---------------------------- | ---------- |
-  | Promise&lt;[Stat](#stat)&gt; | Promise used to return the file information.|
+| Type                          | Description        |
+| ---------------------------- | ---------- |
+| Promise&lt;[Stat](#stat)&gt; | Promise used to return the file information.|
 
 **Example**
 
@@ -1198,10 +1196,10 @@ Obtains file information based on the file descriptor. This API uses an asynchro
 
 **Parameters**
 
-  | Name     | Type                                | Mandatory  | Description              |
-  | -------- | ---------------------------------- | ---- | ---------------- |
-  | fd       | number                             | Yes   | File descriptor of the target file.    |
-  | callback | AsyncCallback&lt;[Stat](#stat)&gt; | Yes   | Callback invoked to return the file information obtained.|
+| Name     | Type                                | Mandatory  | Description              |
+| -------- | ---------------------------------- | ---- | ---------------- |
+| fd       | number                             | Yes   | File descriptor of the target file.    |
+| callback | AsyncCallback&lt;[Stat](#stat)&gt; | Yes   | Callback invoked to return the file information obtained.|
 
 **Example**
 
@@ -1224,15 +1222,15 @@ Synchronously obtains file information based on the file descriptor.
 
 **Parameters**
 
-  | Name | Type    | Mandatory  | Description          |
-  | ---- | ------ | ---- | ------------ |
-  | fd   | number | Yes   | File descriptor of the target file.|
+| Name | Type    | Mandatory  | Description          |
+| ---- | ------ | ---- | ------------ |
+| fd   | number | Yes   | File descriptor of the target file.|
 
 **Return value**
 
-  | Type           | Description        |
-  | ------------- | ---------- |
-  | [Stat](#stat) | File information obtained.|
+| Type           | Description        |
+| ------------- | ---------- |
+| [Stat](#stat) | File information obtained.|
 
 **Example**
 
@@ -1253,16 +1251,16 @@ Truncates a file based on the file descriptor. This API uses a promise to return
 
 **Parameters**
 
-  | Name | Type    | Mandatory  | Description              |
-  | ---- | ------ | ---- | ---------------- |
-  | fd   | number | Yes   | File descriptor of the file to truncate.    |
-  | len  | number | No   | File length, in bytes, after truncation.|
+| Name | Type    | Mandatory  | Description              |
+| ---- | ------ | ---- | ---------------- |
+| fd   | number | Yes   | File descriptor of the file to truncate.    |
+| len  | number | No   | File length, in bytes, after truncation.|
 
 **Return value**
 
-  | Type                 | Description                          |
-  | ------------------- | ---------------------------- |
-  | Promise&lt;void&gt; | Promise that returns no value.|
+| Type                 | Description                          |
+| ------------------- | ---------------------------- |
+| Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -1287,11 +1285,11 @@ Truncates a file based on the file descriptor. This API uses an asynchronous cal
 
 **Parameters**
 
-  | Name     | Type                       | Mandatory  | Description              |
-  | -------- | ------------------------- | ---- | ---------------- |
-  | fd       | number                    | Yes   | File descriptor of the file to truncate.    |
-  | len      | number                    | No   | File length, in bytes, after truncation.|
-  | callback | AsyncCallback&lt;void&gt; | Yes   | Callback that returns no value. |
+| Name     | Type                       | Mandatory  | Description              |
+| -------- | ------------------------- | ---- | ---------------- |
+| fd       | number                    | Yes   | File descriptor of the file to truncate.    |
+| len      | number                    | No   | File length, in bytes, after truncation.|
+| callback | AsyncCallback&lt;void&gt; | Yes   | Callback that returns no value. |
 
 **Example**
 
@@ -1315,10 +1313,10 @@ Synchronously truncates a file based on the file descriptor.
 
 **Parameters**
 
-  | Name | Type    | Mandatory  | Description              |
-  | ---- | ------ | ---- | ---------------- |
-  | fd   | number | Yes   | File descriptor of the file to truncate.    |
-  | len  | number | No   | File length, in bytes, after truncation.|
+| Name | Type    | Mandatory  | Description              |
+| ---- | ------ | ---- | ---------------- |
+| fd   | number | Yes   | File descriptor of the file to truncate.    |
+| len  | number | No   | File length, in bytes, after truncation.|
 
 **Example**
 
@@ -1347,9 +1345,9 @@ Truncates a file based on the file path. This API uses a promise to return the r
 
 **Return value**
 
-  | Type                 | Description                          |
-  | ------------------- | ---------------------------- |
-  | Promise&lt;void&gt; | Promise that returns no value.|
+| Type                 | Description                          |
+| ------------------- | ---------------------------- |
+| Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -1376,7 +1374,7 @@ Truncates a file based on the file path. This API uses an asynchronous callback
 
 | Name  | Type                     | Mandatory| Description                            |
 | -------- | ------------------------- | ---- | -------------------------------- |
-| path     | string                    | Yes  | Application sandbox path of the file to truncate.|
+| path     | string                    | Yes  | Application sandbox path of the file to truncate.      |
 | len      | number                    | No  | File length, in bytes, after truncation.|
 | callback | AsyncCallback&lt;void&gt; | Yes  | Callback that returns no value.  |
 
@@ -1403,7 +1401,7 @@ Synchronously truncates a file based on the file path.
 
 | Name| Type  | Mandatory| Description                            |
 | ------ | ------ | ---- | -------------------------------- |
-| path   | string | Yes  | Application sandbox path of the file to truncate.|
+| path   | string | Yes  | Application sandbox path of the file to truncate.      |
 | len    | number | No  | File length, in bytes, after truncation.|
 
 **Example**
@@ -1428,13 +1426,13 @@ Reads the text content of a file. This API uses a promise to return the result.
 | Name  | Type  | Mandatory| Description                                                        |
 | -------- | ------ | ---- | ------------------------------------------------------------ |
 | filePath | string | Yes  | Application sandbox path of the file to read.                                  |
-| options  | Object | No  | The options are as follows:<br>-&nbsp;**position** (number): position of the data to read in the file. By default, data is read from the current position.<br>-&nbsp;**length** (number): length of the data to read. The default value is the buffer length minus the offset.<br>-&nbsp;**encoding** (string): format of the data (string) to be encoded. The default value is **utf-8**, which is the only value supported.|
+| options  | Object | No  | The options are as follows:<br>- **position** (number): position of the data to read in the file. By default, data is read from the current position.<br>- **length** (number): length of the data to read. The default value is the buffer length minus the offset.<br>- **encoding** (string): format of the string to be encoded. The default value is **'utf-8'**, which is the only value supported.|
 
 **Return value**
 
-  | Type                   | Description        |
-  | --------------------- | ---------- |
-  | Promise&lt;string&gt; | Promise used to return the content read.|
+| Type                   | Description        |
+| --------------------- | ---------- |
+| Promise&lt;string&gt; | Promise used to return the content read.|
 
 **Example**
 
@@ -1461,7 +1459,7 @@ Reads the text content of a file. This API uses an asynchronous callback to retu
 | Name  | Type                       | Mandatory| Description                                                        |
 | -------- | --------------------------- | ---- | ------------------------------------------------------------ |
 | filePath | string                      | Yes  | Application sandbox path of the file to read.                                  |
-| options  | Object                      | No  | The options are as follows:<br>-&nbsp;**position** (number): position of the data to read in the file. By default, data is read from the current position.<br>-&nbsp;**length** (number): length of the data to read. The default value is the buffer length minus the offset.<br>- &nbsp;**encoding**: format of the string to be encoded. The default value is &nbsp;**utf-8**, which is the only value supported.|
+| options  | Object                      | No  | The options are as follows:<br>- **position** (number): position of the data to read in the file. By default, data is read from the current position.<br>- **length** (number): length of the data to read. The default value is the buffer length minus the offset.<br>- **encoding** (string): format of the string to be encoded. The default value is **'utf-8'**, which is the only value supported.|
 | callback | AsyncCallback&lt;string&gt; | Yes  | Callback used to return the content read.                        |
 
 **Example**
@@ -1487,13 +1485,13 @@ Synchronously reads the text of a file.
 | Name  | Type  | Mandatory| Description                                                        |
 | -------- | ------ | ---- | ------------------------------------------------------------ |
 | filePath | string | Yes  | Application sandbox path of the file to read.                                  |
-| options  | Object | No  | The options are as follows:<br>-&nbsp;**position** (number): position of the data to read in the file. By default, data is read from the current position.<br>-&nbsp;**length** (number): length of the data to read. The default value is the buffer length minus the offset.<br>-&nbsp;**encoding** (string): format of the data (string) to be encoded. The default value is **utf-8**, which is the only value supported.|
+| options  | Object | No  | The options are as follows:<br>- **position** (number): position of the data to read in the file. By default, data is read from the current position.<br>- **length** (number): length of the data to read. The default value is the buffer length minus the offset.<br>- **encoding** (string): format of the string to be encoded. The default value is **'utf-8'**, which is the only value supported.|
 
 **Return value**
 
-  | Type  | Description                |
-  | ------ | -------------------- |
-  | string | Promise used to return the content of the file read.|
+| Type  | Description                |
+| ------ | -------------------- |
+| string | Promise used to return the content of the file read.|
 
 **Example**
 
@@ -1519,9 +1517,9 @@ Obtains link information. This API uses a promise to return the result.
 
 **Return value**
 
-  | Type                          | Description        |
-  | ---------------------------- | ---------- |
-  | Promise&lt;[Stat](#stat)&gt; | Promise used to return the link information obtained. For details, see [Stat](#stat).|
+| Type                          | Description        |
+| ---------------------------- | ---------- |
+| Promise&lt;[Stat](#stat)&gt; | Promise used to return the link information obtained. For details, see [Stat](#stat).|
 
 **Example**
 
@@ -1576,9 +1574,9 @@ Synchronously obtains the link information.
 
 **Return value**
 
-  | Type           | Description        |
-  | ------------- | ---------- |
-  | [Stat](#stat) | Link information obtained.|
+| Type           | Description        |
+| ------------- | ---------- |
+| [Stat](#stat) | Link information obtained.|
 
 **Example**
 
@@ -1605,9 +1603,9 @@ Renames a file. This API uses a promise to return the result.
 
 **Return value**
 
-  | Type                 | Description                          |
-  | ------------------- | ---------------------------- |
-  | Promise&lt;void&gt; | Promise that returns no value.|
+| Type                 | Description                          |
+| ------------------- | ---------------------------- |
+| Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -1682,15 +1680,15 @@ Flushes data of a file to disk. This API uses a promise to return the result.
 
 **Parameters**
 
-  | Name | Type    | Mandatory  | Description          |
-  | ---- | ------ | ---- | ------------ |
-  | fd   | number | Yes   | File descriptor of the file to flush.|
+| Name | Type    | Mandatory  | Description          |
+| ---- | ------ | ---- | ------------ |
+| fd   | number | Yes   | File descriptor of the file to flush.|
 
 **Return value**
 
-  | Type                 | Description                          |
-  | ------------------- | ---------------------------- |
-  | Promise&lt;void&gt; | Promise that returns no value.|
+| Type                 | Description                          |
+| ------------------- | ---------------------------- |
+| Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -1715,10 +1713,10 @@ Flushes data of a file to disk. This API uses an asynchronous callback to return
 
 **Parameters**
 
-  | Name     | Type                       | Mandatory  | Description             |
-  | -------- | ------------------------- | ---- | --------------- |
-  | fd       | number                    | Yes   | File descriptor of the file to flush.   |
-  | Callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the file is synchronized in asynchronous mode.|
+| Name     | Type                       | Mandatory  | Description             |
+| -------- | ------------------------- | ---- | --------------- |
+| fd       | number                    | Yes   | File descriptor of the file to flush.   |
+| Callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the file is synchronized in asynchronous mode.|
 
 **Example**
 
@@ -1741,9 +1739,9 @@ Flushes data of a file to disk in synchronous mode.
 
 **Parameters**
 
-  | Name | Type    | Mandatory  | Description          |
-  | ---- | ------ | ---- | ------------ |
-  | fd   | number | Yes   | File descriptor of the file to flush.|
+| Name | Type    | Mandatory  | Description          |
+| ---- | ------ | ---- | ------------ |
+| fd   | number | Yes   | File descriptor of the file to flush.|
 
 **Example**
 
@@ -1764,15 +1762,15 @@ Flushes data of a file to disk. This API uses a promise to return the result. **
 
 **Parameters**
 
-  | Name | Type    | Mandatory  | Description          |
-  | ---- | ------ | ---- | ------------ |
-  | fd   | number | Yes   | File descriptor of the file to flush.|
+| Name | Type    | Mandatory  | Description          |
+| ---- | ------ | ---- | ------------ |
+| fd   | number | Yes   | File descriptor of the file to flush.|
 
 **Return value**
 
-  | Type                 | Description                          |
-  | ------------------- | ---------------------------- |
-  | Promise&lt;void&gt; | Promise that returns no value.|
+| Type                 | Description                          |
+| ------------------- | ---------------------------- |
+| Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -1797,10 +1795,10 @@ Flushes data of a file to disk. This API uses an asynchronous callback to return
 
 **Parameters**
 
-  | Name     | Type                             | Mandatory  | Description               |
-  | -------- | ------------------------------- | ---- | ----------------- |
-  | fd       | number                          | Yes   | File descriptor of the file to synchronize.     |
-  | callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the file data is synchronized in asynchronous mode.|
+| Name     | Type                             | Mandatory  | Description               |
+| -------- | ------------------------------- | ---- | ----------------- |
+| fd       | number                          | Yes   | File descriptor of the file to synchronize.     |
+| callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the file data is synchronized in asynchronous mode.|
 
 **Example**
 
@@ -1823,9 +1821,9 @@ Synchronizes data in a file in synchronous mode.
 
 **Parameters**
 
-  | Name | Type    | Mandatory  | Description          |
-  | ---- | ------ | ---- | ------------ |
-  | fd   | number | Yes   | File descriptor of the file to flush.|
+| Name | Type    | Mandatory  | Description          |
+| ---- | ------ | ---- | ------------ |
+| fd   | number | Yes   | File descriptor of the file to flush.|
 
 **Example**
 
@@ -1853,9 +1851,9 @@ Creates a symbolic link based on the file path. This API uses a promise to retur
 
 **Return value**
 
-  | Type                 | Description                          |
-  | ------------------- | ---------------------------- |
-  | Promise&lt;void&gt; | Promise that returns no value.|
+| Type                 | Description                          |
+| ------------------- | ---------------------------- |
+| Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -1939,9 +1937,9 @@ Changes the file owner based on the file path. This API uses a promise to return
 
 **Return value**
 
-  | Type                 | Description                          |
-  | ------------------- | ---------------------------- |
-  | Promise&lt;void&gt; | Promise that returns no value.|
+| Type                 | Description                          |
+| ------------------- | ---------------------------- |
+| Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -2019,15 +2017,15 @@ Creates a temporary directory. This API uses a promise to return the result.
 
 **Parameters**
 
-  | Name   | Type    | Mandatory  | Description                         |
-  | ------ | ------ | ---- | --------------------------- |
-  | prefix | string | Yes   | A randomly generated string used to replace "XXXXXX" in a directory.|
+| Name   | Type    | Mandatory  | Description                         |
+| ------ | ------ | ---- | --------------------------- |
+| prefix | string | Yes   | A randomly generated string used to replace "XXXXXX" in a directory.|
 
 **Return value**
 
-  | Type                  | Description        |
-  | --------------------- | ---------- |
-  | Promise&lt;string&gt; | Promise used to return the unique directory generated.|
+| Type                  | Description        |
+| --------------------- | ---------- |
+| Promise&lt;string&gt; | Promise used to return the unique directory generated.|
 
 **Example**
 
@@ -2050,10 +2048,10 @@ Creates a temporary directory. This API uses an asynchronous callback to return
 
 **Parameters**
 
-  | Name     | Type                         | Mandatory  | Description                         |
-  | -------- | --------------------------- | ---- | --------------------------- |
-  | prefix   | string                      | Yes   | A randomly generated string used to replace "XXXXXX" in a directory.|
-  | callback | AsyncCallback&lt;string&gt; | Yes   | Callback invoked when a temporary directory is created asynchronously.             |
+| Name     | Type                         | Mandatory  | Description                         |
+| -------- | --------------------------- | ---- | --------------------------- |
+| prefix   | string                      | Yes   | A randomly generated string used to replace "XXXXXX" in a directory.|
+| callback | AsyncCallback&lt;string&gt; | Yes   | Callback invoked when a temporary directory is created asynchronously.             |
 
 **Example**
 
@@ -2074,15 +2072,15 @@ Synchronously creates a temporary directory.
 
 **Parameters**
 
-  | Name   | Type    | Mandatory  | Description                         |
-  | ------ | ------ | ---- | --------------------------- |
-  | prefix | string | Yes   | A randomly generated string used to replace "XXXXXX" in a directory.|
+| Name   | Type    | Mandatory  | Description                         |
+| ------ | ------ | ---- | --------------------------- |
+| prefix | string | Yes   | A randomly generated string used to replace "XXXXXX" in a directory.|
 
 **Return value**
 
-  | Type   | Description        |
-  | ------ | ---------- |
-  | string | Unique path generated.|
+| Type   | Description        |
+| ------ | ---------- |
+| string | Unique path generated.|
 
 **Example**
 
@@ -2101,16 +2099,16 @@ Changes file permissions based on the file descriptor. This API uses a promise t
 
 **Parameters**
 
-  | Name | Type    | Mandatory  | Description                                      |
-  | ---- | ------ | ---- | ---------------------------------------- |
-  | fd   | number | Yes   | File descriptor of the target file.                            |
-  | mode | number | Yes   | Permissions on the file. You can specify multiple permissions, separated using a bitwise OR operator (&#124;).<br>-&nbsp;**0o700**: The owner has the read, write, and execute permissions.<br>- &nbsp;**0o400**: The owner has the read permission.<br>-&nbsp;**0o200**: The owner has the write permission.<br>-&nbsp;**0o100**: The owner has the execute permission.<br>-&nbsp;**0o070**: The user group has the read, write, and execute permissions.<br>-&nbsp;**0o040**: The user group has the read permission.<br>-&nbsp;**0o020**: The user group has the write permission.<br>-&nbsp;**0o010**: The user group has the execute permission.<br>-&nbsp;**0o007**: Other users have the read, write, and execute permissions.<br>-&nbsp;**0o004**: Other users have the read permission.<br>-&nbsp;**0o002**: Other users have the write permission.<br>-&nbsp;**0o001**: Other users have the execute permission.|
+| Name | Type    | Mandatory  | Description                                      |
+| ---- | ------ | ---- | ---------------------------------------- |
+| fd   | number | Yes   | File descriptor of the target file.                            |
+| mode | number | Yes   | Permissions on the file. You can specify multiple permissions, separated using a bitwise OR operator (&#124;).<br>- **0o700**: The owner has the read, write, and execute permissions.<br>- **0o400**: The owner has the read permission.<br>- **0o200**: The owner has the write permission.<br>- **0o100**: The owner has the execute permission.<br>- **0o070**: The user group has the read, write, and execute permissions.<br>- **0o040**: The user group has the read permission.<br>- **0o020**: The user group has the write permission.<br>- **0o010**: The user group has the execute permission.<br>- **0o007**: Other users have the read, write, and execute permissions.<br>- **0o004**: Other users have the read permission.<br>- **0o002**: Other users have the write permission.<br>- **0o001**: Other users have the execute permission. |
 
 **Return value**
 
-  | Type                | Description                          |
-  | ------------------- | ---------------------------- |
-  | Promise&lt;void&gt; | Promise that returns no value.|
+| Type                | Description                          |
+| ------------------- | ---------------------------- |
+| Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -2136,11 +2134,11 @@ Changes file permissions based on the file descriptor. This API uses an asynchro
 
 **Parameters**
 
-  | Name     | Type                             | Mandatory  | Description                                      |
-  | -------- | ------------------------------- | ---- | ---------------------------------------- |
-  | fd       | number                          | Yes   | File descriptor of the target file.                            |
-  | mode     | number                          | Yes   | Permissions on the file. You can specify multiple permissions, separated using a bitwise OR operator (&#124;).<br>-&nbsp;**0o700**: The owner has the read, write, and execute permissions.<br>- &nbsp;**0o400**: The owner has the read permission.<br>-&nbsp;**0o200**: The owner has the write permission.<br>-&nbsp;**0o100**: The owner has the execute permission.<br>-&nbsp;**0o070**: The user group has the read, write, and execute permissions.<br>-&nbsp;**0o040**: The user group has the read permission.<br>-&nbsp;**0o020**: The user group has the write permission.<br>-&nbsp;**0o010**: The user group has the execute permission.<br>-&nbsp;**0o007**: Other users have the read, write, and execute permissions.<br>-&nbsp;**0o004**: Other users have the read permission.<br>-&nbsp;**0o002**: Other users have the write permission.<br>-&nbsp;**0o001**: Other users have the execute permission.|
-  | callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the file permissions are changed asynchronously.                          |
+| Name     | Type                             | Mandatory  | Description                                      |
+| -------- | ------------------------------- | ---- | ---------------------------------------- |
+| fd       | number                          | Yes   | File descriptor of the target file.                            |
+| mode     | number                          | Yes   | Permissions on the file. You can specify multiple permissions, separated using a bitwise OR operator (&#124;).<br>- **0o700**: The owner has the read, write, and execute permissions.<br>- **0o400**: The owner has the read permission.<br>- **0o200**: The owner has the write permission.<br>- **0o100**: The owner has the execute permission.<br>- **0o070**: The user group has the read, write, and execute permissions.<br>- **0o040**: The user group has the read permission.<br>- **0o020**: The user group has the write permission.<br>- **0o010**: The user group has the execute permission.<br>- **0o007**: Other users have the read, write, and execute permissions.<br>- **0o004**: Other users have the read permission.<br>- **0o002**: Other users have the write permission.<br>- **0o001**: Other users have the execute permission. |
+| callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the file permissions are changed asynchronously.                          |
 
 **Example**
 
@@ -2164,10 +2162,10 @@ Synchronously changes the file permissions based on the file descriptor.
 
 **Parameters**
 
-  | Name | Type    | Mandatory  | Description                                      |
-  | ---- | ------ | ---- | ---------------------------------------- |
-  | fd   | number | Yes   | File descriptor of the target file.                            |
-  | mode | number | Yes   | Permissions on the file. You can specify multiple permissions, separated using a bitwise OR operator (&#124;).<br>-&nbsp;**0o700**: The owner has the read, write, and execute permissions.<br>- &nbsp;**0o400**: The owner has the read permission.<br>-&nbsp;**0o200**: The owner has the write permission.<br>-&nbsp;**0o100**: The owner has the execute permission.<br>-&nbsp;**0o070**: The user group has the read, write, and execute permissions.<br>-&nbsp;**0o040**: The user group has the read permission.<br>-&nbsp;**0o020**: The user group has the write permission.<br>-&nbsp;**0o010**: The user group has the execute permission.<br>-&nbsp;**0o007**: Other users have the read, write, and execute permissions.<br>-&nbsp;**0o004**: Other users have the read permission.<br>-&nbsp;**0o002**: Other users have the write permission.<br>-&nbsp;**0o001**: Other users have the execute permission.|
+| Name | Type    | Mandatory  | Description                                      |
+| ---- | ------ | ---- | ---------------------------------------- |
+| fd   | number | Yes   | File descriptor of the target file.                            |
+| mode | number | Yes   | Permissions on the file. You can specify multiple permissions, separated using a bitwise OR operator (&#124;).<br>- **0o700**: The owner has the read, write, and execute permissions.<br>- **0o400**: The owner has the read permission.<br>- **0o200**: The owner has the write permission.<br>- **0o100**: The owner has the execute permission.<br>- **0o070**: The user group has the read, write, and execute permissions.<br>- **0o040**: The user group has the read permission.<br>- **0o020**: The user group has the write permission.<br>- **0o010**: The user group has the execute permission.<br>- **0o007**: Other users have the read, write, and execute permissions.<br>- **0o004**: Other users have the read permission.<br>- **0o002**: Other users have the write permission.<br>- **0o001**: Other users have the execute permission. |
 
 **Example**
 
@@ -2192,13 +2190,13 @@ Opens a file stream based on the file path. This API uses a promise to return th
 | Name| Type  | Mandatory| Description                                                        |
 | ------ | ------ | ---- | ------------------------------------------------------------ |
 | path   | string | Yes  | Application sandbox path of the file.                                  |
-| mode   | string | Yes  | -&nbsp;**r**: Open a file for reading. The file must exist.<br>-&nbsp;**r+**: Open a file for both reading and writing. The file must exist.<br>-&nbsp;**w**: Open a file for writing. If the file exists, clear its content. If the file does not exist, create a file.<br>-&nbsp;**w+**: Open a file for both reading and writing. If the file exists, clear its content. If the file does not exist, create a file.<br>-&nbsp;**a**: Open a file in append mode for writing at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).<br>-&nbsp;**a+**: Open a file in append mode for reading or updating at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).|
+| mode   | string | Yes  | - **r**: Open a file for reading. The file must exist.<br>- **r+**: Open a file for both reading and writing. The file must exist.<br>- **w**: Open a file for writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **w+**: Open a file for both reading and writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **a**: Open a file in append mode for writing at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).<br>- **a+**: Open a file in append mode for reading or updating at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).|
 
 **Return value**
 
-  | Type                               | Description       |
-  | --------------------------------- | --------- |
-  | Promise&lt;[Stream](#stream)&gt; | Promise used to return the result.|
+| Type                               | Description       |
+| --------------------------------- | --------- |
+| Promise&lt;[Stream](#stream)&gt; | Promise used to return the result.|
 
 **Example**
 
@@ -2225,7 +2223,7 @@ Opens a file stream based on the file path. This API uses an asynchronous callba
 | Name  | Type                                   | Mandatory| Description                                                        |
 | -------- | --------------------------------------- | ---- | ------------------------------------------------------------ |
 | path     | string                                  | Yes  | Application sandbox path of the file.                                  |
-| mode     | string                                  | Yes  | -&nbsp;**r**: Open a file for reading. The file must exist.<br>-&nbsp;**r+**: Open a file for both reading and writing. The file must exist.<br>-&nbsp;**w**: Open a file for writing. If the file exists, clear its content. If the file does not exist, create a file.<br>-&nbsp;**w+**: Open a file for both reading and writing. If the file exists, clear its content. If the file does not exist, create a file.<br>-&nbsp;**a**: Open a file in append mode for writing at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).<br>-&nbsp;**a+**: Open a file in append mode for reading or updating at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).|
+| mode     | string                                  | Yes  | - **r**: Open a file for reading. The file must exist.<br>- **r+**: Open a file for both reading and writing. The file must exist.<br>- **w**: Open a file for writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **w+**: Open a file for both reading and writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **a**: Open a file in append mode for writing at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).<br>- **a+**: Open a file in append mode for reading or updating at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).|
 | callback | AsyncCallback&lt;[Stream](#stream)&gt; | Yes  | Callback invoked when the stream is open asynchronously.                                  |
 
 **Example**
@@ -2251,13 +2249,13 @@ Synchronously opens a stream based on the file path.
 | Name| Type  | Mandatory| Description                                                        |
 | ------ | ------ | ---- | ------------------------------------------------------------ |
 | path   | string | Yes  | Application sandbox path of the file.                                  |
-| mode   | string | Yes  | -&nbsp;**r**: Open a file for reading. The file must exist.<br>-&nbsp;**r+**: Open a file for both reading and writing. The file must exist.<br>-&nbsp;**w**: Open a file for writing. If the file exists, clear its content. If the file does not exist, create a file.<br>-&nbsp;**w+**: Open a file for both reading and writing. If the file exists, clear its content. If the file does not exist, create a file.<br>-&nbsp;**a**: Open a file in append mode for writing at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).<br>-&nbsp;**a+**: Open a file in append mode for reading or updating at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).|
+| mode   | string | Yes  | - **r**: Open a file for reading. The file must exist.<br>- **r+**: Open a file for both reading and writing. The file must exist.<br>- **w**: Open a file for writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **w+**: Open a file for both reading and writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **a**: Open a file in append mode for writing at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).<br>- **a+**: Open a file in append mode for reading or updating at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).|
 
 **Return value**
 
-  | Type               | Description       |
-  | ------------------ | --------- |
-  | [Stream](#stream) | Stream opened.|
+| Type               | Description       |
+| ------------------ | --------- |
+| [Stream](#stream) | Stream opened.|
 
 **Example**
 
@@ -2277,16 +2275,16 @@ Opens a file stream based on the file descriptor. This API uses a promise to ret
 
 **Parameters**
 
-  | Name | Type    | Mandatory  | Description                                      |
-  | ---- | ------ | ---- | ---------------------------------------- |
-  | fd   | number | Yes   | File descriptor of the target file.                            |
-  | mode | string | Yes   | -&nbsp;**r**: Open a file for reading. The file must exist.<br>-&nbsp;**r+**: Open a file for both reading and writing. The file must exist.<br>-&nbsp;**w**: Open a file for writing. If the file exists, clear its content. If the file does not exist, create a file.<br>-&nbsp;**w+**: Open a file for both reading and writing. If the file exists, clear its content. If the file does not exist, create a file.<br>-&nbsp;**a**: Open a file in append mode for writing at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).<br>-&nbsp;**a+**: Open a file in append mode for reading or updating at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).|
+| Name | Type    | Mandatory  | Description                                      |
+| ---- | ------ | ---- | ---------------------------------------- |
+| fd   | number | Yes   | File descriptor of the target file.                            |
+| mode | string | Yes   | - **r**: Open a file for reading. The file must exist.<br>- **r+**: Open a file for both reading and writing. The file must exist.<br>- **w**: Open a file for writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **w+**: Open a file for both reading and writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **a**: Open a file in append mode for writing at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).<br>- **a+**: Open a file in append mode for reading or updating at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).|
 
 **Return value**
 
-  | Type                              | Description       |
-  | --------------------------------- | --------- |
-  | Promise&lt;[Stream](#stream)&gt; | Promise used to return the result.|
+| Type                              | Description       |
+| --------------------------------- | --------- |
+| Promise&lt;[Stream](#stream)&gt; | Promise used to return the result.|
 
 **Example**
 
@@ -2311,11 +2309,11 @@ Opens a file stream based on the file descriptor. This API uses an asynchronous
 
 **Parameters**
 
-  | Name     | Type                                      | Mandatory  | Description                                      |
-  | -------- | ---------------------------------------- | ---- | ---------------------------------------- |
-  | fd       | number                                   | Yes   | File descriptor of the target file.                            |
-  | mode     | string                                   | Yes   | -&nbsp;**r**: Open a file for reading. The file must exist.<br>-&nbsp;**r+**: Open a file for both reading and writing. The file must exist.<br>-&nbsp;**w**: Open a file for writing. If the file exists, clear its content. If the file does not exist, create a file.<br>-&nbsp;**w+**: Open a file for both reading and writing. If the file exists, clear its content. If the file does not exist, create a file.<br>-&nbsp;**a**: Open a file in append mode for writing at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).<br>-&nbsp;**a+**: Open a file in append mode for reading or updating at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).|
-  | callback | AsyncCallback&lt;[Stream](#stream)&gt; | Yes   | Callback invoked when the stream is open asynchronously.                           |
+| Name     | Type                                      | Mandatory  | Description                                      |
+| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
+| fd       | number                                   | Yes   | File descriptor of the target file.                            |
+| mode     | string                                   | Yes   | - **r**: Open a file for reading. The file must exist.<br>- **r+**: Open a file for both reading and writing. The file must exist.<br>- **w**: Open a file for writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **w+**: Open a file for both reading and writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **a**: Open a file in append mode for writing at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).<br>- **a+**: Open a file in append mode for reading or updating at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).|
+| callback | AsyncCallback&lt;[Stream](#stream)&gt; | Yes   | Callback invoked when the stream is open asynchronously.                           |
 
 **Example**
 
@@ -2338,16 +2336,16 @@ Synchronously opens a stream based on the file descriptor.
 
 **Parameters**
 
-  | Name | Type    | Mandatory  | Description                                      |
-  | ---- | ------ | ---- | ---------------------------------------- |
-  | fd   | number | Yes   | File descriptor of the target file.                            |
-  | mode | string | Yes   | -&nbsp;**r**: Open a file for reading. The file must exist.<br>-&nbsp;**r+**: Open a file for both reading and writing. The file must exist.<br>-&nbsp;**w**: Open a file for writing. If the file exists, clear its content. If the file does not exist, create a file.<br>-&nbsp;**w+**: Open a file for both reading and writing. If the file exists, clear its content. If the file does not exist, create a file.<br>-&nbsp;**a**: Open a file in append mode for writing at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).<br>-&nbsp;**a+**: Open a file in append mode for reading or updating at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).|
+| Name | Type    | Mandatory  | Description                                      |
+| ---- | ------ | ---- | ---------------------------------------- |
+| fd   | number | Yes   | File descriptor of the target file.                            |
+| mode | string | Yes   | - **r**: Open a file for reading. The file must exist.<br>- **r+**: Open a file for both reading and writing. The file must exist.<br>- **w**: Open a file for writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **w+**: Open a file for both reading and writing. If the file exists, clear its content. If the file does not exist, create a file.<br>- **a**: Open a file in append mode for writing at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).<br>- **a+**: Open a file in append mode for reading or updating at the end of the file. If the file does not exist, create a file. If the file exists, write data to the end of the file (the original content of the file is reserved).|
 
 **Return value**
 
-  | Type               | Description       |
-  | ------------------ | --------- |
-  | [Stream](#stream) | Stream opened.|
+| Type               | Description       |
+| ------------------ | --------- |
+| [Stream](#stream) | Stream opened.|
 
 **Example**
 
@@ -2368,17 +2366,17 @@ Changes the file owner based on the file descriptor. This API uses a promise to
 
 **Parameters**
 
-  | Name | Type    | Mandatory  | Description          |
-  | ---- | ------ | ---- | ------------ |
-  | fd   | number | Yes   | File descriptor of the target file.|
-  | uid  | number | Yes   | New UID.  |
-  | gid  | number | Yes   | New GID.  |
+| Name | Type    | Mandatory  | Description          |
+| ---- | ------ | ---- | ------------ |
+| fd   | number | Yes   | File descriptor of the target file.|
+| uid  | number | Yes   | New UID.  |
+| gid  | number | Yes   | New GID.  |
 
 **Return value**
 
-  | Type                 | Description                          |
-  | ------------------- | ---------------------------- |
-  | Promise&lt;void&gt; | Promise that returns no value.|
+| Type                 | Description                          |
+| ------------------- | ---------------------------- |
+| Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -2404,12 +2402,12 @@ Changes the file owner based on the file descriptor. This API uses an asynchrono
 
 **Parameters**
 
-  | Name     | Type                       | Mandatory  | Description             |
-  | -------- | ------------------------- | ---- | --------------- |
-  | fd       | number                    | Yes   | File descriptor of the target file.   |
-  | uid      | number                    | Yes   | New UID.     |
-  | gid      | number                    | Yes   | New GID.     |
-  | callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the file owner is changed asynchronously.|
+| Name     | Type                       | Mandatory  | Description             |
+| -------- | ------------------------- | ---- | --------------- |
+| fd       | number                    | Yes   | File descriptor of the target file.   |
+| uid      | number                    | Yes   | New UID.     |
+| gid      | number                    | Yes   | New GID.     |
+| callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the file owner is changed asynchronously.|
 
 **Example**
 
@@ -2433,11 +2431,11 @@ Synchronously changes the file owner based on the file descriptor.
 
 **Parameters**
 
-  | Name | Type    | Mandatory  | Description          |
-  | ---- | ------ | ---- | ------------ |
-  | fd   | number | Yes   | File descriptor of the target file.|
-  | uid  | number | Yes   | New UID.  |
-  | gid  | number | Yes   | New GID.  |
+| Name | Type    | Mandatory  | Description          |
+| ---- | ------ | ---- | ------------ |
+| fd   | number | Yes   | File descriptor of the target file.|
+| uid  | number | Yes   | New UID.  |
+| gid  | number | Yes   | New GID.  |
 
 **Example**
 
@@ -2467,9 +2465,9 @@ Changes the file owner (owner of the symbolic link, not the file referred to by
 
 **Return value**
 
-  | Type                 | Description                          |
-  | ------------------- | ---------------------------- |
-  | Promise&lt;void&gt; | Promise that returns no value.|
+| Type                 | Description                          |
+| ------------------- | ---------------------------- |
+| Promise&lt;void&gt; | Promise that returns no value.|
 
 **Example**
 
@@ -2550,14 +2548,14 @@ Listens for file or directory changes. This API uses an asynchronous callback to
 | Name  | Type                             | Mandatory| Description                                                        |
 | -------- | --------------------------------- | ---- | ------------------------------------------------------------ |
 | filePath | string                            | Yes  | Application sandbox path of the file.                                  |
-| events   | number                            | Yes  | -&nbsp;**1**: The file or directory is renamed.<br>-&nbsp;**2**: The file or directory is modified.<br>-&nbsp;**3**: The file or directory is modified and renamed.|
+| events   | number                            | Yes  | -**1**: The file or directory is renamed.<br>- **2**: The file or directory is modified.<br>- **3**: The file or directory is modified and renamed.|
 | callback | AsyncCallback&lt;number&gt; | Yes  | Called each time a change is detected.                            |
 
 **Return value**
 
-  | Type                 | Description        |
-  | -------------------- | ---------- |
-  | [Watcher](#watcher7) | Promise used to return the **Watcher** instance.|
+| Type                 | Description        |
+| -------------------- | ---------- |
+| [Watcher](#watcher7) | Promise used to return the **Watcher** instance.|
 
 **Example**
 
@@ -2595,7 +2593,7 @@ Provides detailed file information. Before calling a method of the **Stat** clas
 | ------ | ------ | ---- | ---- | ---------------------------------------- |
 | dev    | number | Yes   | No   | Major device number.                           |
 | ino    | number | Yes   | No   | File ID. Different files on the same device have different **ino**s.                |
-| mode   | number | Yes   | No   | File type and permissions. The first four bits indicate the file type, and the last 12 bits indicate the permissions. The bit fields are described as follows:<br>-&nbsp;**0o170000**: mask used to obtain the file type.<br>-&nbsp;**0o140000**: The file is a socket.<br>-&nbsp;**0o120000**: The file is a symbolic link.<br>-&nbsp;**0o100000**: The file is a regular file.<br>-&nbsp;**0o060000**: The file is a block device.<br>-&nbsp;**0o040000**: The file is a directory.<br>-&nbsp;**0o020000**: The file is a character device.<br>- **0o010000**: The file is a named pipe (FIFO).<br>-&nbsp;**0o0700**: mask used to obtain the owner permissions.<br>-&nbsp;**0o0400**: The owner has the permission to read a regular file or a directory entry.<br>-&nbsp;**0o0200**: The owner has the permission to write a regular file or create and delete a directory entry.<br>-&nbsp;**0o0100**: The owner has the permission to execute a regular file or search for the specified path in a directory.<br>-&nbsp;**0o0070**: mask used to obtain the user group permissions.<br>-&nbsp;**0o0040**: The user group has the permission to read a regular file or a directory entry.<br>-&nbsp;**0o0020**: The user group has the permission to write a regular file or create and delete a directory entry.<br>-&nbsp;**0o0010**: The user group has the permission to execute a regular file or search for the specified path in a directory.<br>-&nbsp;**0o0007**: mask used to obtain the permissions of other users.<br>-&nbsp;**0o0004**: Other users have the permission to read a regular file or a directory entry.<br>-&nbsp;**0o0002**: Other users have the permission to write a regular file or create and delete a directory entry.<br>-&nbsp;**0o0001**: Other users have the permission to execute a regular file or search for the specified path in a directory.|
+| mode   | number | Yes   | No   | File type and permissions. The first four bits indicate the file type, and the last 12 bits indicate the permissions. The bit fields are described as follows:<br>- **0o170000**: mask used to obtain the file type.<br>- **0o140000**: The file is a socket.<br>- **0o120000**: The file is a symbolic link.<br>- **0o100000**: The file is a regular file.<br>- **0o060000**: The file is a block device.<br>- **0o040000**: The file is a directory.<br>- **0o020000**: The file is a character device.<br>- **0o010000**: The file is a named pipe, that is, FIFO.<br>- **0o0700**: mask used to obtain owner permissions.<br>- **0o0400**: The owner has the read permission on a regular file or a directory entry.<br>- **0o0200**: The owner has the permission to write a regular file or create and delete a directory entry.<br>- **0o0100**: The owner has the permission to execute a regular file or has the permission to search for the specified path in a directory.<br>- **0o0070**: mask used to obtain user group permissions.<br>- **0o0040**: The user group has the read permission on a regular file or a directory entry.<br>- **0o0020**: The user group has the permission to write a regular file or has the permission to create and delete a directory entry.<br>- **0o0010**: The user group has the permission to execute a regular file or has the permission to search for the specified path in a directory.<br>- **0o0007**: mask used to obtain permissions of other users.<br>- **0o0004**: Other user groups have the read permission on a regular file or a directory entry.<br>- **0o0002**: Other user groups have the permission to write a regular file or have the permission to create and delete a directory entry.<br>- **0o0001**: Other users have the permission to execute a regular file or search for the specified path in a directory.|
 | nlink  | number | Yes   | No   | Number of hard links in the file.                                |
 | uid    | number | Yes   | No   | User ID, that is ID of the file owner.                               |
 | gid    | number | Yes   | No   | Group ID, that is, ID of the user group of the file.                               |
@@ -2617,9 +2615,9 @@ Checks whether this file is a block special file. A block special file supports
 
 **Return value**
 
-  | Type     | Description              |
-  | ------- | ---------------- |
-  | boolean | Whether the file is a block special file.|
+| Type     | Description              |
+| ------- | ---------------- |
+| boolean | Whether the file is a block special file.|
 
 **Example**
 
@@ -2639,9 +2637,9 @@ Checks whether this file is a character special file. A character special file s
 
 **Return value**
 
-  | Type     | Description               |
-  | ------- | ----------------- |
-  | boolean | Whether the file is a character special file.|
+| Type     | Description               |
+| ------- | ----------------- |
+| boolean | Whether the file is a character special file.|
 
 **Example**
 
@@ -2661,9 +2659,9 @@ Checks whether this file is a directory.
 
 **Return value**
 
-  | Type     | Description           |
-  | ------- | ------------- |
-  | boolean | Whether the file is a directory.|
+| Type     | Description           |
+| ------- | ------------- |
+| boolean | Whether the file is a directory.|
 
 **Example**
 
@@ -2683,9 +2681,9 @@ Checks whether this file is a named pipe (or FIFO). Named pipes are used for int
 
 **Return value**
 
-  | Type     | Description                   |
-  | ------- | --------------------- |
-  | boolean | Whether the file is an FIFO.|
+| Type     | Description                   |
+| ------- | --------------------- |
+| boolean | Whether the file is an FIFO.|
 
 **Example**
 
@@ -2705,9 +2703,9 @@ Checks whether this file is a regular file.
 
 **Return value**
 
-  | Type     | Description             |
-  | ------- | --------------- |
-  | boolean | Whether the file is a regular file.|
+| Type     | Description             |
+| ------- | --------------- |
+| boolean | Whether the file is a regular file.|
 
 **Example**
 
@@ -2727,9 +2725,9 @@ Checks whether this file is a socket.
 
 **Return value**
 
-  | Type     | Description            |
-  | ------- | -------------- |
-  | boolean | Whether the file is a socket.|
+| Type     | Description            |
+| ------- | -------------- |
+| boolean | Whether the file is a socket.|
 
 **Example**
 
@@ -2749,9 +2747,9 @@ Checks whether this file is a symbolic link.
 
 **Return value**
 
-  | Type     | Description             |
-  | ------- | --------------- |
-  | boolean | Whether the file is a symbolic link.|
+| Type     | Description             |
+| ------- | --------------- |
+| boolean | Whether the file is a symbolic link.|
 
 **Example**
 
@@ -2797,9 +2795,9 @@ Stops the **watcher** instance. This API uses an asynchronous callback to return
 
 **Parameters**
 
-  | Name     | Type                       | Mandatory  | Description                    |
-  | -------- | ------------------------- | ---- | ---------------------- |
-  | callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when **watcher** is stopped asynchronously.|
+| Name     | Type                       | Mandatory  | Description                    |
+| -------- | ------------------------- | ---- | ---------------------- |
+| callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when **watcher** is stopped asynchronously.|
 
 **Example**
 
@@ -2829,9 +2827,9 @@ Closes the stream. This API uses a promise to return the result.
 
 **Return value**
 
-  | Type                 | Description           |
-  | ------------------- | ------------- |
-  | Promise&lt;void&gt; | Promise used to return the stream close result.|
+| Type                 | Description           |
+| ------------------- | ------------- |
+| Promise&lt;void&gt; | Promise used to return the stream close result.|
 
 **Example**
 
@@ -2856,9 +2854,9 @@ Closes the stream. This API uses an asynchronous callback to return the result.
 
 **Parameters**
 
-  | Name     | Type                       | Mandatory  | Description           |
-  | -------- | ------------------------- | ---- | ------------- |
-  | callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the stream is closed asynchronously.|
+| Name     | Type                       | Mandatory  | Description           |
+| -------- | ------------------------- | ---- | ------------- |
+| callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the stream is closed asynchronously.|
 
 **Example**
 
@@ -2898,9 +2896,9 @@ Flushes the stream. This API uses a promise to return the result.
 
 **Return value**
 
-  | Type                 | Description           |
-  | ------------------- | ------------- |
-  | Promise&lt;void&gt; | Promise used to return the stream flushing result.|
+| Type                 | Description           |
+| ------------------- | ------------- |
+| Promise&lt;void&gt; | Promise used to return the stream flushing result.|
 
 **Example**
 
@@ -2925,9 +2923,9 @@ Flushes the stream. This API uses an asynchronous callback to return the result.
 
 **Parameters**
 
-  | Name     | Type                       | Mandatory  | Description            |
-  | -------- | ------------------------- | ---- | -------------- |
-  | callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the stream is asynchronously flushed.|
+| Name     | Type                       | Mandatory  | Description            |
+| -------- | ------------------------- | ---- | -------------- |
+| callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the stream is asynchronously flushed.|
 
 **Example**
 
@@ -2967,16 +2965,16 @@ Writes data into the stream. This API uses a promise to return the result.
 
 **Parameters**
 
-  | Name    | Type                             | Mandatory  | Description                                      |
-  | ------- | ------------------------------- | ---- | ---------------------------------------- |
-  | buffer  | ArrayBuffer\|string | Yes   | Data to write. It can be a string or data from a buffer.                    |
-  | options | Object                          | No   | The options are as follows:<br>-&nbsp;**offset** (number): position of the data to write in reference to the start address of the data. The default value is **0**.<br>-&nbsp;**length** (number): length of the data to write. The default value is the buffer length minus the offset.<br>-&nbsp;**position** (number): start position to write the data in the file. By default, data is written from the current position.<br>-&nbsp;**encoding** (string): format of the string to be encoded. The default value is **utf-8**, which is the only value supported.<br>Constraints: offset + length <= Buffer size |
+| Name    | Type                             | Mandatory  | Description                                      |
+| ------- | ------------------------------- | ---- | ---------------------------------------- |
+| buffer  | ArrayBuffer\|string | Yes   | Data to write. It can be a string or data from a buffer.                    |
+| options | Object                          | No   | The options are as follows:<br>- **offset** (number): position of the data to write in reference to the start address of the data. The default value is **0**.<br>- **length** (number): length of the data to write. The default value is the buffer length minus the offset.<br>- **position** (number): start position to write the data in the file. By default, data is written from the current position.<br>- **encoding** (string): format of the data to be encoded when the data is a string. The default value is **'utf-8'**, which is the only value supported.<br>Constraints: offset + length <= Buffer size |
 
 **Return value**
 
-  | Type                   | Description      |
-  | --------------------- | -------- |
-  | Promise&lt;number&gt; | Promise used to return the length of the data written.|
+| Type                   | Description      |
+| --------------------- | -------- |
+| Promise&lt;number&gt; | Promise used to return the length of the data written.|
 
 **Example**
 
@@ -3001,11 +2999,11 @@ Writes data into the stream. This API uses an asynchronous callback to return th
 
 **Parameters**
 
-  | Name  | Type                           | Mandatory| Description                                                        |
-  | -------- | ------------------------------- | ---- | ------------------------------------------------------------ |
-  | buffer   | ArrayBuffer\|string | Yes  | Data to write. It can be a string or data from a buffer.                    |
-  | options  | Object                          | No  | The options are as follows:<br>-&nbsp;**offset** (number): position of the data to write in reference to the start address of the data. The default value is **0**.<br>-&nbsp;**length** (number): length of the data to write. The default value is the buffer length minus the offset.<br>-&nbsp;**position** (number): start position to write the data in the file. By default, data is written from the current position.<br>-&nbsp;**encoding** (string): format of the string to be encoded. The default value is **utf-8**, which is the only value supported.<br>Constraints: offset + length <= Buffer size|
-  | callback | AsyncCallback&lt;number&gt;     | Yes  | Callback invoked when the data is written asynchronously.                              |
+| Name  | Type                           | Mandatory| Description                                                        |
+| -------- | ------------------------------- | ---- | ------------------------------------------------------------ |
+| buffer   | ArrayBuffer\|string | Yes  | Data to write. It can be a string or data from a buffer.                    |
+| options  | Object                          | No  | The options are as follows:<br>- **offset** (number): position of the data to write in reference to the start address of the data. The default value is **0**.<br>- **length** (number): length of the data to write. The default value is the buffer length minus the offset.<br>- **position** (number): start position to write the data in the file. By default, data is written from the current position.<br>- **encoding** (string): format of the data to be encoded when the data is a string. The default value is **'utf-8'**, which is the only value supported.<br>Constraints: offset + length <= Buffer size|
+| callback | AsyncCallback&lt;number&gt;     | Yes  | Callback invoked when the data is written asynchronously.                              |
 
 **Example**
 
@@ -3031,16 +3029,16 @@ Synchronously writes data into the stream.
 
 **Parameters**
 
-  | Name    | Type                             | Mandatory  | Description                                      |
-  | ------- | ------------------------------- | ---- | ---------------------------------------- |
-  | buffer  | ArrayBuffer\|string | Yes   | Data to write. It can be a string or data from a buffer.                    |
-  | options | Object                          | No   | The options are as follows:<br>-&nbsp;**offset** (number): position of the data to write in reference to the start address of the data. The default value is **0**.<br>-&nbsp;**length** (number): length of the data to write. The default value is the buffer length minus the offset.<br>-&nbsp;**position** (number): start position to write the data in the file. By default, data is written from the current position.<br>-&nbsp;**encoding** (string): format of the string to be encoded. The default value is **utf-8**, which is the only value supported.<br>Constraints: offset + length <= Buffer size |
+| Name    | Type                             | Mandatory  | Description                                      |
+| ------- | ------------------------------- | ---- | ---------------------------------------- |
+| buffer  | ArrayBuffer\|string | Yes   | Data to write. It can be a string or data from a buffer.                    |
+| options | Object                          | No   | The options are as follows:<br>- **offset** (number): position of the data to write in reference to the start address of the data. The default value is **0**.<br>- **length** (number): length of the data to write. The default value is the buffer length minus the offset.<br>- **position** (number): start position to write the data in the file. By default, data is written from the current position.<br>- **encoding** (string): format of the data to be encoded when the data is a string. The default value is **'utf-8'**, which is the only value supported.<br>Constraints: offset + length <= Buffer size |
 
 **Return value**
 
-  | Type    | Description      |
-  | ------ | -------- |
-  | number | Length of the data written in the file.|
+| Type    | Description      |
+| ------ | -------- |
+| number | Length of the data written in the file.|
 
 **Example**
 
@@ -3061,16 +3059,16 @@ Reads data from the stream. This API uses a promise to return the result.
 
 **Parameters**
 
-  | Name    | Type         | Mandatory  | Description                                      |
-  | ------- | ----------- | ---- | ---------------------------------------- |
-  | buffer  | ArrayBuffer | Yes   | Buffer used to store the file read.                             |
-  | options | Object      | No   | The options are as follows:<br>-&nbsp;**offset** (number): position to store the data read in the buffer in reference to the start address of the buffer. The default value is **0**.<br>-&nbsp;**length** (number): length of the data to read. The default value is the buffer length minus the offset.<br>-&nbsp;**position** (number): position of the data to read in the file. By default, data is read from the current position.<br>Constraints: offset + length <= Buffer size |
+| Name    | Type         | Mandatory  | Description                                      |
+| ------- | ----------- | ---- | ---------------------------------------- |
+| buffer  | ArrayBuffer | Yes   | Buffer used to store the file read.                             |
+| options | Object      | No   | The options are as follows:<br>- **offset** (number): position to store the data read in the buffer in reference to the start address of the buffer. The default value is **0**.<br>- **length** (number): length of the data to read. The default value is the buffer length minus the offset.<br>- **position** (number): position of the data to read in the file. By default, data is read from the current position.<br>Constraints: offset + length <= Buffer size |
 
 **Return value**
 
-  | Type                                | Description    |
-  | ---------------------------------- | ------ |
-  | Promise&lt;[ReadOut](#readout)&gt; | Promise used to return the data read.|
+| Type                                | Description    |
+| ---------------------------------- | ------ |
+| Promise&lt;[ReadOut](#readout)&gt; | Promise used to return the data read.|
 
 **Example**
 
@@ -3096,11 +3094,11 @@ Reads data from the stream. This API uses an asynchronous callback to return the
 
 **Parameters**
 
-  | Name     | Type                                      | Mandatory  | Description                                      |
-  | -------- | ---------------------------------------- | ---- | ---------------------------------------- |
-  | buffer   | ArrayBuffer                              | Yes   | Buffer used to store the file read.                             |
-  | options  | Object                                   | No   | The options are as follows:<br>-&nbsp;**offset** (number): position to store the data read in the buffer in reference to the start address of the buffer. The default value is **0**.<br>-&nbsp;**length** (number): length of the data to read. The default value is the buffer length minus the offset.<br>-&nbsp;**position** (number): position of the data to read in the file. By default, data is read from the current position.<br>Constraints: offset + length <= Buffer size |
-  | callback | AsyncCallback&lt;[ReadOut](#readout)&gt; | Yes   | Callback invoked when data is read asynchronously from the stream.                        |
+| Name     | Type                                      | Mandatory  | Description                                      |
+| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
+| buffer   | ArrayBuffer                              | Yes   | Buffer used to store the file read.                             |
+| options  | Object                                   | No   | The options are as follows:<br>- **offset** (number): position to store the data read in the buffer in reference to the start address of the buffer. The default value is **0**.<br>- **length** (number): length of the data to read. The default value is the buffer length minus the offset.<br>- **position** (number): position of the data to read in the file. By default, data is read from the current position.<br>Constraints: offset + length <= Buffer size |
+| callback | AsyncCallback&lt;[ReadOut](#readout)&gt; | Yes   | Callback invoked when data is read asynchronously from the stream.                        |
 
 **Example**
 
@@ -3126,16 +3124,16 @@ Synchronously reads data from the stream.
 
 **Parameters**
 
-  | Name    | Type         | Mandatory  | Description                                      |
-  | ------- | ----------- | ---- | ---------------------------------------- |
-  | buffer  | ArrayBuffer | Yes   | Buffer used to store the file read.                             |
-  | options | Object      | No   | The options are as follows:<br>-&nbsp;**offset** (number): position to store the data read in the buffer in reference to the start address of the buffer. The default value is **0**.<br>-&nbsp;**length** (number): length of the data to read. The default value is the buffer length minus the offset.<br>-&nbsp;**position** (number): position of the data to read in the file. By default, data is read from the current position.<br>Constraints: offset + length <= Buffer size |
+| Name    | Type         | Mandatory  | Description                                      |
+| ------- | ----------- | ---- | ---------------------------------------- |
+| buffer  | ArrayBuffer | Yes   | Buffer used to store the file read.                             |
+| options | Object      | No   | The options are as follows:<br>- **offset** (number): position to store the data read in the buffer in reference to the start address of the buffer. The default value is **0**.<br>- **length** (number): length of the data to read. The default value is the buffer length minus the offset.<br>- **position** (number): position of the data to read in the file. By default, data is read from the current position.<br>Constraints: offset + length <= Buffer size |
 
 **Return value**
 
-  | Type    | Description      |
-  | ------ | -------- |
-  | number | Length of the data read.|
+| Type    | Description      |
+| ------ | -------- |
+| number | Length of the data read.|
 
 **Example**
 
@@ -3161,9 +3159,9 @@ Reads the next directory entry. This API uses a promise to return the result.
 
 **Return value**
 
-  | Type                              | Description           |
-  | -------------------------------- | ------------- |
-  | Promise&lt;[Dirent](#dirent)&gt; | Promise used to return the directory entry read.|
+| Type                              | Description           |
+| -------------------------------- | ------------- |
+| Promise&lt;[Dirent](#dirent)&gt; | Promise used to return the directory entry read.|
 
 **Example**
 
@@ -3186,9 +3184,9 @@ Reads the next directory entry. This API uses an asynchronous callback to return
 
 **Parameters**
 
-  | Name     | Type                                    | Mandatory  | Description              |
-  | -------- | -------------------------------------- | ---- | ---------------- |
-  | callback | AsyncCallback&lt;[Dirent](#dirent)&gt; | Yes   | Callback invoked when the next directory entry is asynchronously read.|
+| Name     | Type                                    | Mandatory  | Description              |
+| -------- | -------------------------------------- | ---- | ---------------- |
+| callback | AsyncCallback&lt;[Dirent](#dirent)&gt; | Yes   | Callback invoked when the next directory entry is asynchronously read.|
 
 **Example**
 
@@ -3212,9 +3210,9 @@ Synchronously reads the next directory entry.
 
 **Return value**
 
-  | Type               | Description      |
-  | ----------------- | -------- |
-  | [Dirent](#dirent) | Directory entry read.|
+| Type               | Description      |
+| ----------------- | -------- |
+| [Dirent](#dirent) | Directory entry read.|
 
 **Example**
 
@@ -3295,9 +3293,9 @@ Checks whether this directory entry is a block special file. A block special fil
 
 **Return value**
 
-  | Type     | Description              |
-  | ------- | ---------------- |
-  | boolean | Whether the directory entry is a block special file.|
+| Type     | Description              |
+| ------- | ---------------- |
+| boolean | Whether the directory entry is a block special file.|
 
 **Example**
 
@@ -3317,9 +3315,9 @@ Checks whether a directory entry is a character special file. A character specia
 
 **Return value**
 
-  | Type     | Description               |
-  | ------- | ----------------- |
-  | boolean | Whether the directory entry is a character special file.|
+| Type     | Description               |
+| ------- | ----------------- |
+| boolean | Whether the directory entry is a character special file.|
 
 **Example**
 
@@ -3339,9 +3337,9 @@ Checks whether a directory entry is a directory.
 
 **Return value**
 
-  | Type     | Description           |
-  | ------- | ------------- |
-  | boolean | Whether the directory entry is a directory.|
+| Type     | Description           |
+| ------- | ------------- |
+| boolean | Whether the directory entry is a directory.|
 
 **Example**
 
@@ -3361,9 +3359,9 @@ Checks whether this directory entry is a named pipe (or FIFO). Named pipes are u
 
 **Return value**
 
-  | Type     | Description             |
-  | ------- | --------------- |
-  | boolean | Whether the directory entry is a FIFO.|
+| Type     | Description             |
+| ------- | --------------- |
+| boolean | Whether the directory entry is a FIFO.|
 
 **Example**
 
@@ -3383,9 +3381,9 @@ Checks whether a directory entry is a regular file.
 
 **Return value**
 
-  | Type     | Description             |
-  | ------- | --------------- |
-  | boolean | Whether the directory entry is a regular file.|
+| Type     | Description             |
+| ------- | --------------- |
+| boolean | Whether the directory entry is a regular file.|
 
 **Example**
 
@@ -3405,9 +3403,9 @@ Checks whether a directory entry is a socket.
 
 **Return value**
 
-  | Type     | Description            |
-  | ------- | -------------- |
-  | boolean | Whether the directory entry is a socket.|
+| Type     | Description            |
+| ------- | -------------- |
+| boolean | Whether the directory entry is a socket.|
 
 **Example**
 
@@ -3427,9 +3425,9 @@ Checks whether a directory entry is a symbolic link.
 
 **Return value**
 
-  | Type     | Description             |
-  | ------- | --------------- |
-  | boolean | Whether the directory entry is a symbolic link.|
+| Type     | Description             |
+| ------- | --------------- |
+| boolean | Whether the directory entry is a symbolic link.|
 
 **Example**
 
@@ -3437,22 +3435,3 @@ Checks whether a directory entry is a symbolic link.
   let dir = fileio.opendirSync(pathDir);
   let isSymbolicLink = dir.readSync().isSymbolicLink();
   ```
-
-## Filter<sup>9+</sup>
-
-**System API**: This is a system API.
-
-**System capability**: SystemCapability.FileManagement.File.FileIO
-
-Defines the file filter configuration.
-
-| Name       | Type      | Description               |
-| ----------- | --------------- | ------------------ |
-| suffix | Array&lt;string&gt;     | File name extensions. The keywords in the array are of the OR relationship.          |
-| displayName    | Array&lt;string&gt;     | File names for fuzzy match. The keywords in the array are of the OR relationship.|
-| mimeType    | Array&lt;string&gt; | MIME types to match. The keywords in the array are of the OR relationship.      |
-| fileSizeOver    | number | File size to match. The files which are of the same or a lager size are matched.      |
-| lastModifiedAfter    | Date | File modification time to match. The files modified after the specified time are matched.      |
-| excludeMedia    | Boolean | Whether to exclude the files already in Media.      |
-
-<!--no_check-->
\ No newline at end of file