update docs

Signed-off-by: Nester.zhou <ester.zhou@huawei.com>

en/application-dev/reference/apis/js-apis-inputmethod.md

 # Input Method Framework
 
-> ![icon-note.gif](public_sys-resources/icon-note.gif) **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.
+> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**<br>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.
+>
 
 
 ## Modules to Import
@@ -40,16 +40,18 @@ Obtains an [InputMethodController](#InputMethodController) instance.
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Return value
+**Return value**
 
-    | Type| Description|
-    | -------- | -------- |
-    | [InputMethodController](#InputMethodController) | Returns the current **InputMethodController** instance.|
+| Type| Description|
+| -------- | -------- |
+| [InputMethodController](#InputMethodController) | Returns the current **InputMethodController** instance.|
+
+**Example**
+
+```
+var InputMethodController = inputMethod.getInputMethodController();
+```
 
-- Example
-  ```
-  var InputMethodController = inputMethod.getInputMethodController();
-  ```
 ## inputMethod.getInputMethodSetting<sup>8+</sup><a name="getInputMethodSetting"></a>
 
 getInputMethodSetting(): InputMethodSetting
@@ -58,17 +60,17 @@ Obtains an [InputMethodSetting](#InputMethodSetting) instance.
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Return value
+**Return value**
 
-  | Type                                     | Description                        |
-  | ----------------------------------------- | ---------------------------- |
-  | [InputMethodSetting](#InputMethodSetting) | Returns the current **InputMethodSetting** instance.|
+| Type                                     | Description                        |
+| ----------------------------------------- | ---------------------------- |
+| [InputMethodSetting](#InputMethodSetting) | Returns the current **InputMethodSetting** instance.|
 
+**Example**
 
-- Example
-  ```
-  var InputMethodSetting = inputMethod.getInputMethodSetting();
-  ```
+```js
+var InputMethodSetting = inputMethod.getInputMethodSetting();
+```
 
 ## InputMethodController<a name="InputMethodController"></a>
 
@@ -82,15 +84,15 @@ Hides the keyboard. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Parameters
+**Parameters**
 
-  | Name| Type| Mandatory| Description|
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;boolean&gt; | Yes| Callback used to return whether the keyboard is successfully hidden.|
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;boolean&gt; | Yes| Callback used to return whether the keyboard is successfully hidden.|
 
-- Example
+**Example**
 
-```
+```js
  InputMethodController.stopInput((error)=>{
      console.info('stopInput');
  });
@@ -104,16 +106,16 @@ Hides the keyboard. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Return value
+**Return value**
 
-  | Type| Description|
-  | -------- | -------- |
-  | Promise&lt;boolean&gt; | Promise used to return whether the keyboard is successfully hidden.|
+| Type| Description|
+| -------- | -------- |
+| Promise&lt;boolean&gt; | Promise used to return whether the keyboard is successfully hidden.|
 
-- Example
+**Example**
 
 
-```
+```js
  var isSuccess = InputMethodController.stopInput();
  console.info('stopInput isSuccess = ' + isSuccess);
 ```
@@ -130,20 +132,22 @@ Obtains the list of installed input methods. This API uses an asynchronous callb
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Parameters
-  | Name  | Type                                              | Mandatory| Description                  |
-  | -------- | -------------------------------------------------- | ---- | ---------------------- |
-  | callback | Array<[InputMethodProperty](#InputMethodProperty)> | Yes  | Callback used to return the list of installed input methods.|
-
-- Example
-  ```
-   InputMethodSetting.listInputMethod((properties)=>{
-     for (var i = 0;i < properties.length; i++) {
-       var property = properties[i];
-       console.info(property.packageName + "/" + property.methodId);
-     }
-  });
-  ```
+**Parameters**
+
+| Name  | Type                                              | Mandatory| Description                  |
+| -------- | -------------------------------------------------- | ---- | ---------------------- |
+| callback | Array<[InputMethodProperty](#InputMethodProperty)> | Yes  | Callback used to return the list of installed input methods.|
+
+**Example**
+
+```js
+ InputMethodSetting.listInputMethod((properties)=>{
+   for (var i = 0;i < properties.length; i++) {
+     var property = properties[i];
+     console.info(property.packageName + "/" + property.methodId);
+   }
+});
+```
 
 ### listInputMethod
 
@@ -153,19 +157,21 @@ Obtains the list of installed input methods. This API uses an asynchronous callb
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Return value
-  | Type                                                       | Description                  |
-  | ----------------------------------------------------------- | ---------------------- |
-  | Promise<Array<[InputMethodProperty](#InputMethodProperty)>> | Promise used to return the list of installed input methods.|
+**Return value**
 
-- Example
-  ```
-   var properties = InputMethodSetting.listInputMethod();
-   for (var i = 0;i < properties.length; i++) {
-     var property = properties[i];
-     console.info(property.packageName + "/" + property.methodId);
-   }
-  ```
+| Type                                                       | Description                  |
+| ----------------------------------------------------------- | ---------------------- |
+| Promise<Array<[InputMethodProperty](#InputMethodProperty)>> | Promise used to return the list of installed input methods.|
+
+**Example**
+
+```js
+ var properties = InputMethodSetting.listInputMethod();
+ for (var i = 0;i < properties.length; i++) {
+   var property = properties[i];
+   console.info(property.packageName + "/" + property.methodId);
+ }
+```
 
 ### displayOptionalInputMethod
 
@@ -181,12 +187,12 @@ Displays a dialog box for selecting an input method. This API uses an asynchrono
 | -------- | -------- | -------- | -------- |
 | callback | AsyncCallback&lt;void&gt; | Yes| Callback used to return the execution result.|
 
-- Example
-  ```
-   InputMethodSetting.displayOptionalInputMethod(()=>{
-     console.info('displayOptionalInputMethod is called');
-   });
-  ```
+**Example**
+```js
+ InputMethodSetting.displayOptionalInputMethod(()=>{
+   console.info('displayOptionalInputMethod is called');
+ });
+```
 
 ### displayOptionalInputMethod
 
@@ -194,15 +200,16 @@ displayOptionalInputMethod(): Promise&lt;void&gt;
 
 Displays a dialog box for selecting an input method. This API uses an asynchronous callback to return the result.
 
-  **System capability**: SystemCapability.Miscservices.InputMethodFramework
+**System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Return value
+**Return value**
 
 | Type| Description|
 | -------- | -------- |
 | Promise&lt;void&gt; | Promise used to return the execution result.|
 
-  - Example
-    ```
-     InputMethodSetting.displayOptionalInputMethod();
-    ```
+**Example**
+
+```js
+ InputMethodSetting.displayOptionalInputMethod();
+```
\ No newline at end of file

en/application-dev/reference/apis/js-apis-inputmethodengine.md

 # Input Method Engine
 
-> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**
-> The initial APIs of this module are supported since API version 8. Newly added APIs will be marked with a superscript to indicate their earliest API version.
+> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**<br>The initial APIs of this module are supported since API version 8. Newly added APIs will be marked with a superscript to indicate their earliest API version.
+>
 
 ## Modules to Import
 
@@ -52,17 +52,17 @@ Obtains an **InputMethodEngine** instance.
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Return value
+**Return value**
 
-  | Type                                   | Description        |
-  | --------------------------------------- | ------------ |
-  | [InputMethodEngine](#InputMethodEngine) | **InputMethodEngine** instance obtained.|
+| Type                                   | Description        |
+| --------------------------------------- | ------------ |
+| [InputMethodEngine](#InputMethodEngine) | **InputMethodEngine** instance obtained.|
 
-- Example
+**Example**
 
-  ```
-  var InputMethodEngine = inputMethodEngine.getInputMethodEngine();
-  ```
+```js
+var InputMethodEngine = inputMethodEngine.getInputMethodEngine();
+```
 
 ## inputMethodEngine.createKeyboardDelegate<a name="createKeyboardDelegate"></a>
 
@@ -72,17 +72,17 @@ Obtains a **KeyboardDelegate** instance.
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Return value
+**Return value**
 
-  | Type                                 | Description            |
-  | ------------------------------------- | ---------------- |
-  | [KeyboardDelegate](#KeyboardDelegate) | **KeyboardDelegate** instance obtained.|
+| Type                                 | Description            |
+| ------------------------------------- | ---------------- |
+| [KeyboardDelegate](#KeyboardDelegate) | **KeyboardDelegate** instance obtained.|
 
-- Example
+**Example**
 
-  ```
-  var KeyboardDelegate = inputMethodEngine.createKeyboardDelegate();
-  ```
+```js
+var KeyboardDelegate = inputMethodEngine.createKeyboardDelegate();
+```
 
 ## InputMethodEngine<a name="InputMethodEngine"></a>
 
@@ -96,21 +96,21 @@ Listens for the input method binding event. This API uses a callback to return t
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Parameters
+**Parameters**
 
 | Name  | Type                           | Mandatory| Description                                                        |
 | -------- | ------------------------------- | ---- | ------------------------------------------------------------ |
 | type     | string                        | Yes  | Listening type.<br>Set it to **'inputStart'**, which indicates listening for the input method binding event.|
 | callback | [KeyboardController](#KeyboardController), [TextInputClient](#TextInputClient) | Yes| Callback used to return the result.|
 
-- Example
+**Example**
 
-  ```
-  InputMethodEngine.on('inputStart', (kbController, textInputClient) => {
-      KeyboardController = kbController;
-      TextInputClient = textInputClient;
-  });
-  ```
+```js
+InputMethodEngine.on('inputStart', (kbController, textInputClient) => {
+    KeyboardController = kbController;
+    TextInputClient = textInputClient;
+});
+```
 
 ### off('inputStart')
 
@@ -120,20 +120,18 @@ Cancels listening for the input method binding event.
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Parameters
-
-  | Name  | Type                | Mandatory| Description                    |
-  | -------- | -------------------- | ---- | ------------------------ |
-  | type | string                                                       | Yes  | Listening type.<br>Set it to **'inputStart'**, which indicates listening for the input method binding event.|
-  | callback | [KeyboardController](#KeyboardController), [TextInputClient](#TextInputClient) | No| Callback used to return the result.|
-
+**Parameters**
 
+| Name  | Type                | Mandatory| Description                    |
+| -------- | -------------------- | ---- | ------------------------ |
+| type | string                                                       | Yes  | Listening type.<br>Set it to **'inputStart'**, which indicates listening for the input method binding event.|
+| callback | [KeyboardController](#KeyboardController), [TextInputClient](#TextInputClient) | No| Callback used to return the result.|
 
-- Example
+**Example**
 
-  ```
-  InputMethodEngine.off('inputStart');
-  ```
+```js
+InputMethodEngine.off('inputStart');
+```
 
 ### on('keyboardShow'|'keyboardHide')
 
@@ -143,20 +141,20 @@ Listens for an input method event.
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Parameters
+**Parameters**
 
-  | Name  | Type  | Mandatory| Description                                                        |
-  | -------- | ------ | ---- | ------------------------------------------------------------ |
-  | type     | string | Yes  | Listening type.<br>-&nbsp;The value **'keyboardShow'** means to listen for displaying of the input method.<br>-&nbsp;The value **'keyboardHide'** means to listen for hiding of the input method.|
-  | callback | void   | No  | Callback used to return the result.                                                  |
+| Name  | Type  | Mandatory| Description                                                        |
+| -------- | ------ | ---- | ------------------------------------------------------------ |
+| type     | string | Yes  | Listening type.<br>- The value **'keyboardShow'** means to listen for displaying of the input method.<br>- The value **'keyboardHide'** means to listen for hiding of the input method.|
+| callback | void   | No  | Callback used to return the result.                                                  |
 
-- Example
+**Example**
 
-  ```
-  InputMethodEngine.on('keyboardShow', (err) => {
-      console.info('keyboardShow');
-  });
-  ```
+```js
+InputMethodEngine.on('keyboardShow', (err) => {
+    console.info('keyboardShow');
+});
+```
 
 ### off('keyboardShow'|'keyboardHide')
 
@@ -166,19 +164,18 @@ Cancels listening for an input method event.
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Parameters
+**Parameters**
 
-  | Name  | Type  | Mandatory| Description                                                        |
-  | -------- | ------ | ---- | ------------------------------------------------------------ |
-  | type     | string | Yes  | Listening type.<br>-&nbsp;The value **'keyboardShow'** means to listen for displaying of the input method.<br>-&nbsp;The value **'keyboardHide'** means to listen for hiding of the input method.|
-  | callback | void   | No  | Callback used to return the result.                                                  |
+| Name  | Type  | Mandatory| Description                                                        |
+| -------- | ------ | ---- | ------------------------------------------------------------ |
+| type     | string | Yes  | Listening type.<br>- The value **'keyboardShow'** means to listen for displaying of the input method.<br>- The value **'keyboardHide'** means to listen for hiding of the input method.|
+| callback | void   | No  | Callback used to return the result.                                                  |
 
-- Example
+**Example**
 
-  ```
-  InputMethodEngine.off('keyboardShow');
-  ```
-  
+```js
+InputMethodEngine.off('keyboardShow');
+```
 
 ## KeyboardDelegate<a name="KeyboardDelegate"></a>
 
@@ -192,22 +189,20 @@ Listens for a hard keyboard even. This API uses a callback to return the key inf
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Parameters
-
-  | Name  | Type                           | Mandatory| Description                                                        |
-  | -------- | ------------------------------- | ---- | ------------------------------------------------------------ |
-  | type   | string         | Yes  | Listening type.<br>-&nbsp;The value **'keyDown'** means to listen for pressing of a key.<br>-&nbsp;The value **'keyUp'** means to listen for releasing of a key.|
-  | callback | [KeyEvent](#KeyEvent) | Yes| Callback used to return the key information.|
-
+**Parameters**
 
+| Name  | Type                           | Mandatory| Description                                                        |
+| -------- | ------------------------------- | ---- | ------------------------------------------------------------ |
+| type   | string         | Yes  | Listening type.<br>- The value **'keyDown'** means to listen for pressing of a key.<br>- The value **'keyUp'** means to listen for releasing of a key.|
+| callback | [KeyEvent](#KeyEvent) | Yes| Callback used to return the key information.|
 
-- Example
+**Example**
 
-  ```
-  KeyboardDelegate.on('keyDown', (event) => {
-      console.info('keyDown');
-  });
-  ```
+```js
+KeyboardDelegate.on('keyDown', (event) => {
+    console.info('keyDown');
+});
+```
 
 ### off('keyDown'|'keyUp')
 
@@ -217,18 +212,18 @@ Cancels listening for a hard keyboard even.
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Parameters
+**Parameters**
 
-  | Name  | Type                 | Mandatory| Description                                                        |
-  | -------- | --------------------- | ---- | ------------------------------------------------------------ |
-  | type     | string                | Yes  | Listening type.<br>-&nbsp;The value **'keyDown'** means to listen for pressing of a key.<br>-&nbsp;The value **'keyUp'** means to listen for releasing of a key.|
-  | callback | [KeyEvent](#KeyEvent) | No  | Callback used to return the key information.                                          |
+| Name  | Type                 | Mandatory| Description                                                        |
+| -------- | --------------------- | ---- | ------------------------------------------------------------ |
+| type     | string                | Yes  | Listening type.<br>- The value **'keyDown'** means to listen for pressing of a key.<br>- The value **'keyUp'** means to listen for releasing of a key.|
+| callback | [KeyEvent](#KeyEvent) | No  | Callback used to return the key information.                                          |
 
-- Example
+**Example**
 
-  ```
-  KeyboardDelegate.off('keyDown');
-  ```
+```js
+KeyboardDelegate.off('keyDown');
+```
 
 ### on('cursorContextChange')
 
@@ -236,24 +231,22 @@ on(type: 'cursorContextChange', callback: (x: number, y:number, height:number) =
 
 Listens for cursor context changes. This API uses a callback to return the cursor information.
 
-  **System capability**: SystemCapability.Miscservices.InputMethodFramework
-
-  - Parameters
+**System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-    | Name  | Type  | Mandatory| Description                                                        |
-    | -------- | ------ | ---- | ------------------------------------------------------------ |
-    | type     | string | Yes  | Listening type.<br>Set it to **'cursorContextChange'**, which indicates listening for cursor context changes.|
-    | callback | number | Yes  | Callback used to return the cursor information.                                          |
+**Parameters**
 
+| Name  | Type  | Mandatory| Description                                                        |
+| -------- | ------ | ---- | ------------------------------------------------------------ |
+| type     | string | Yes  | Listening type.<br>Set it to **'cursorContextChange'**, which indicates listening for cursor context changes.|
+| callback | number | Yes  | Callback used to return the cursor information.                                          |
 
+**Example**
 
-  - Example
-  
-    ```
-    KeyboardDelegate.on('cursorContextChange', (x, y, height) => {
-        console.info('cursorContextChange');
-    });
-    ```
+```js
+KeyboardDelegate.on('cursorContextChange', (x, y, height) => {
+    console.info('cursorContextChange');
+});
+```
 
 ### off('cursorContextChange')
 
@@ -263,19 +256,19 @@ Cancels listening for cursor context changes.
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-  - Parameters
+**Parameters**
 
-    | Name  | Type                | Mandatory| Description                    |
-    | -------- | -------------------- | ---- | ------------------------ |
-    | type     | string       | Yes  | Listening type.<br>Set it to **'cursorContextChange'**, which indicates listening for cursor context changes.|
-    | callback | number | No| Callback used to return the cursor information.|
+| Name  | Type                | Mandatory| Description                    |
+| -------- | -------------------- | ---- | ------------------------ |
+| type     | string       | Yes  | Listening type.<br>Set it to **'cursorContextChange'**, which indicates listening for cursor context changes.|
+| callback | number | No| Callback used to return the cursor information.|
 
+**Example**
 
-  - Example
+```js
+KeyboardDelegate.off('cursorContextChange');
+```
 
-    ```
-    KeyboardDelegate.off('cursorContextChange');
-    ```
 ### on('selectionChange')
 
 on(type: 'selectionChange', callback: (oldBegin: number, oldEnd: number, newBegin: number, newEnd: number) => void): void
@@ -284,20 +277,20 @@ Listens for text selection changes. This API uses a callback to return the text
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-  - Parameters
+**Parameters**
+
+| Name  | Type  | Mandatory| Description                                                        |
+| -------- | ------ | ---- | ------------------------------------------------------------ |
+| type     | string | Yes  | Listening type.<br>Set it to **'selectionChange'**, which indicates listening for text selection changes.|
+| callback | number | Yes  | Callback used to return the text selection information.                                      |
 
-    | Name  | Type  | Mandatory| Description                                                        |
-    | -------- | ------ | ---- | ------------------------------------------------------------ |
-    | type     | string | Yes  | Listening type.<br>Set it to **'selectionChange'**, which indicates listening for text selection changes.|
-    | callback | number | Yes  | Callback used to return the text selection information.                                      |
+**Example**
 
-  - Example
-  
-    ```
-    KeyboardDelegate.on('selectionChange', (oldBegin, oldEnd, newBegin, newEnd) => {
-        console.info('selectionChange');
-    });
-    ```
+```js
+KeyboardDelegate.on('selectionChange', (oldBegin, oldEnd, newBegin, newEnd) => {
+    console.info('selectionChange');
+});
+```
 
 ### off('selectionChange')
 
@@ -307,18 +300,18 @@ Cancels listening for text selection changes.
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-  - Parameters
+**Parameters**
 
-    | Name  | Type                | Mandatory| Description                    |
-    | -------- | -------------------- | ---- | ------------------------ |
-    | type     | string                  | Yes  | Listening type.<br>Set it to **'selectionChange'**, which indicates listening for text selection changes.|
-    | callback | number | No| Callback used to return the text selection information.|
+| Name  | Type                | Mandatory| Description                    |
+| -------- | -------------------- | ---- | ------------------------ |
+| type     | string                  | Yes  | Listening type.<br>Set it to **'selectionChange'**, which indicates listening for text selection changes.|
+| callback | number | No| Callback used to return the text selection information.|
 
-  - Example
+**Example**
 
-    ```
-    KeyboardDelegate.off('selectionChange');
-    ```
+```js
+KeyboardDelegate.off('selectionChange');
+```
 
 
 ### on('textChange')
@@ -329,20 +322,20 @@ Listens for text changes. This API uses a callback to return the current text co
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-  - Parameters
+**Parameters**
 
-    | Name  | Type                           | Mandatory| Description                                                        |
-    | -------- | ------------------------------- | ---- | ------------------------------------------------------------ |
-    | type     | string                  | Yes  | Listening type.<br>Set it to **'textChange'**, which indicates listening for text changes.|
-    | callback | string | Yes| Callback used to return the current text content.|
+| Name  | Type                           | Mandatory| Description                                                        |
+| -------- | ------------------------------- | ---- | ------------------------------------------------------------ |
+| type     | string                  | Yes  | Listening type.<br>Set it to **'textChange'**, which indicates listening for text changes.|
+| callback | string | Yes| Callback used to return the current text content.|
 
-  - Example
+**Example**
 
-    ```
-    KeyboardDelegate.on('textChange', (text) => {
-        console.info('textChange');
-    });
-    ```
+```js
+KeyboardDelegate.on('textChange', (text) => {
+    console.info('textChange');
+});
+```
 
 ### off('textChange')
 
@@ -352,18 +345,18 @@ Cancels listening for text changes.
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-  - Parameters
+**Parameters**
 
-    | Name  | Type                | Mandatory| Description                    |
-    | -------- | -------------------- | ---- | ------------------------ |
-    | type     | string                  | Yes  | Listening type.<br>Set it to **'textChange'**, which indicates listening for text changes.|
-    | callback | string | No| Callback used to return the current text content.|
+| Name  | Type                | Mandatory| Description                    |
+| -------- | -------------------- | ---- | ------------------------ |
+| type     | string                  | Yes  | Listening type.<br>Set it to **'textChange'**, which indicates listening for text changes.|
+| callback | string | No| Callback used to return the current text content.|
 
-  - Example
+**Example**
 
-    ```
-    KeyboardDelegate.off('textChange');
-    ```
+```js
+KeyboardDelegate.off('textChange');
+```
 
 ## KeyboardController<a name="KeyboardController"></a>
 
@@ -377,16 +370,16 @@ Hides the keyboard. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Parameters
+**Parameters**
 
-  | Name  | Type                  | Mandatory| Description    |
-  | -------- | ---------------------- | ---- | -------- |
-  | callback | AsyncCallback&lt;void> | No  | Callback used to return the result.|
+| Name  | Type                  | Mandatory| Description    |
+| -------- | ---------------------- | ---- | -------- |
+| callback | AsyncCallback&lt;void> | No  | Callback used to return the result.|
 
-- Example
+**Example**
 
 
-```
+```js
  KeyboardController.hideKeyboard(()=>{
  });
 ```
@@ -399,16 +392,16 @@ Hides the keyboard. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Return value
+**Return value**
 
-  | Type            | Description:    |
-  | ---------------- | -------- |
-  | Promise&lt;void> | Promise used to return the result.|
+| Type            | Description:    |
+| ---------------- | -------- |
+| Promise&lt;void> | Promise used to return the result.|
 
-- Example
+**Example**
 
 
-```
+```js
  KeyboardController.hideKeyboard();
 ```
 
@@ -424,19 +417,20 @@ Obtains the specific-length text before the cursor. This API uses an asynchronou
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Parameters
+**Parameters**
+
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| length | number | Yes| Text length.|
+| callback | AsyncCallback&lt;string&gt; | Yes| Text returned.|
 
-  | Name| Type| Mandatory| Description|
-  | -------- | -------- | -------- | -------- |
-  | length | number | Yes| Text length.|
-  | callback | AsyncCallback&lt;string&gt; | Yes| Text returned.|
+**Example**
 
-- Example
-  ```
-   TextInputClient.getForward(5,(text) =>{
-     console.info("text = " + text);
-   });
-  ```
+```js
+ TextInputClient.getForward(5,(text) =>{
+   console.info("text = " + text);
+ });
+```
 
 ### getForward
 
@@ -446,22 +440,24 @@ Obtains the specific-length text before the cursor. This API uses a promise to r
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Parameters
+**Parameters**
 
-  | Name| Type| Mandatory| Description|
-  | -------- | -------- | -------- | -------- |
-  | length | number | Yes| Text length.|
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| length | number | Yes| Text length.|
 
-- Return value
-  | Type                           | Description                                                        |
-  | ------------------------------- | ------------------------------------------------------------ |
-  | Promise&lt;string&gt; |  Text returned.               |
+**Return value**
 
-- Example
-  ```
-   var text = TextInputClient.getForward(5);
-   console.info("text = " + text);
-  ```
+| Type                           | Description                                                        |
+| ------------------------------- | ------------------------------------------------------------ |
+| Promise&lt;string&gt; |  Text returned.               |
+
+**Example**
+
+```js
+ var text = TextInputClient.getForward(5);
+ console.info("text = " + text);
+```
 
 ### getBackward
 
@@ -471,19 +467,20 @@ Obtains the specific-length text after the cursor. This API uses an asynchronous
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Parameters
+**Parameters**
 
-  | Name| Type| Mandatory| Description|
-  | -------- | -------- | -------- | -------- |
-  | length | number | Yes| Text length.|
-  | callback | AsyncCallback&lt;string&gt; | Yes| Text returned.|
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| length | number | Yes| Text length.|
+| callback | AsyncCallback&lt;string&gt; | Yes| Text returned.|
 
-- Example
-  ```
-   TextInputClient.getBackward(5,(text)=>{
-     console.info("text = " + text);
-  });
-  ```
+**Example**
+
+```js
+ TextInputClient.getBackward(5,(text)=>{
+   console.info("text = " + text);
+});
+```
 
 ### getBackward
 
@@ -493,22 +490,24 @@ Obtains the specific-length text after the cursor. This API uses a promise to re
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Parameters
+**Parameters**
 
-  | Name| Type| Mandatory| Description|
-  | -------- | -------- | -------- | -------- |
-  | length | number | Yes| Text length.|
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| length | number | Yes| Text length.|
 
-- Return value
-  | Type                           | Description                                                        |
-  | ------------------------------- | ------------------------------------------------------------ |
-  | Promise&lt;string&gt; |  Text returned.               |
+**Return value**
 
-- Example
-  ```
-   var text = TextInputClient.getBackward(5);
-   console.info("text = " + text);
-  ```
+| Type                           | Description                                                        |
+| ------------------------------- | ------------------------------------------------------------ |
+| Promise&lt;string&gt; |  Text returned.               |
+
+**Example**
+
+```js
+ var text = TextInputClient.getBackward(5);
+ console.info("text = " + text);
+```
 
 ### deleteForward
 
@@ -518,19 +517,21 @@ Deletes the fixed-length text before the cursor. This API uses an asynchronous c
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Parameters
+**Parameters**
 
-  | Name| Type| Mandatory| Description|
-  | -------- | -------- | -------- | -------- |
-  | length | number | Yes| Text length.|
-  | callback | AsyncCallback&lt;boolean&gt; | Yes| Returns whether the operation is successful.|
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| length | number | Yes| Text length.|
+| callback | AsyncCallback&lt;boolean&gt; | Yes| Returns whether the operation is successful.|
+
+**Example**
+
+```js
+TextInputClient.deleteForward(5,(isSuccess)=>{
+  console.info("isSuccess = " + isSuccess);
+});
+```
 
-- Example
-  ```
-  TextInputClient.deleteForward(5,(isSuccess)=>{
-    console.info("isSuccess = " + isSuccess);
-  });
-  ```
 ### deleteForward
 
 deleteForward(length:number): Promise&lt;boolean&gt;
@@ -539,23 +540,25 @@ Deletes the fixed-length text before the cursor. This API uses a promise to retu
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Parameters
-  
-    | Name| Type| Mandatory| Description|
-    | -------- | -------- | -------- | -------- |
-    | length | number | Yes| Text length.|
-  
-- Return value 
-     | Type                           | Description                                                        |
-     | ------------------------------- | ------------------------------------------------------------ |
-     | Promise&lt;boolean&gt; |  Returns whether the operation is successful.               |
-
-  - Example
-    ```
-     var isSuccess = TextInputClient.deleteForward(5);
-     console.info("isSuccess = " + isSuccess);
-    ```
-    
+**Parameters**
+
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| length | number | Yes| Text length.|
+
+**Return value** 
+
+| Type                           | Description                                                        |
+| ------------------------------- | ------------------------------------------------------------ |
+| Promise&lt;boolean&gt; |  Returns whether the operation is successful.               |
+
+**Example**
+
+```js
+ var isSuccess = TextInputClient.deleteForward(5);
+ console.info("isSuccess = " + isSuccess);
+```
+
 ### deleteBackward
 
 deleteBackward(length:number, callback: AsyncCallback&lt;boolean&gt;): void
@@ -564,19 +567,20 @@ Deletes the fixed-length text after the cursor. This API uses an asynchronous ca
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-  - Parameters
+**Parameters**
 
-    | Name| Type| Mandatory| Description|
-    | -------- | -------- | -------- | -------- |
-    | length | number | Yes| Text length.|
-    | callback | AsyncCallback&lt;boolean&gt; | Yes| Returns whether the operation is successful.|
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| length | number | Yes| Text length.|
+| callback | AsyncCallback&lt;boolean&gt; | Yes| Returns whether the operation is successful.|
 
-  - Example
-    ```
-     TextInputClient.deleteBackward(5, (isSuccess)=>{
-     console.info("isSuccess = " + isSuccess);
-    });
-    ```
+**Example**
+
+```js
+ TextInputClient.deleteBackward(5, (isSuccess)=>{
+ console.info("isSuccess = " + isSuccess);
+});
+```
 
 ### deleteBackward
 
@@ -586,22 +590,25 @@ Deletes the fixed-length text after the cursor. This API uses a promise to retur
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Parameters
-  | Name| Type| Mandatory| Description|
-  | -------- | -------- | -------- | -------- |
-  | length | number | Yes| Text length.|
+**Parameters**
+
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| length | number | Yes| Text length.|
 
-- Return value
-  | Type                           | Description                                                        |
-  | ------------------------------- | ------------------------------------------------------------ |
-  | Promise&lt;boolean&gt; |  Returns whether the operation is successful.               |
+**Return value**
 
-- Example
+| Type                           | Description                                                        |
+| ------------------------------- | ------------------------------------------------------------ |
+| Promise&lt;boolean&gt; |  Returns whether the operation is successful.               |
+
+**Example**
+
+```js
+var isSuccess = TextInputClient.deleteBackward(5);
+console.info("isSuccess = " + isSuccess);
+```
 
-     ```
-     var isSuccess = TextInputClient.deleteBackward(5);
-     console.info("isSuccess = " + isSuccess);
-     ```
 ### sendKeyFunction
 
 sendKeyFunction(action:number, callback: AsyncCallback&lt;boolean&gt;): void
@@ -610,19 +617,20 @@ Sets the Enter key to send the text to its target. This API uses an asynchronous
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-  - Parameters
+**Parameters**
 
-    | Name| Type| Mandatory| Description|
-    | -------- | -------- | -------- | -------- |
-    | action | number | Yes| Edit box attribute.|
-    | callback | AsyncCallback&lt;boolean&gt; | Yes| Returns whether the operation is successful.|
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| action | number | Yes| Edit box attribute.|
+| callback | AsyncCallback&lt;boolean&gt; | Yes| Returns whether the operation is successful.|
 
-  - Example
-    ```
-     TextInputClient.sendKeyFunction(inputMethod.ENTER_KEY_TYPE_NEXT,(isSuccess)=>{
-      console.info("isSuccess = " + isSuccess);
-    });
-    ```
+**Example**
+
+```js
+ TextInputClient.sendKeyFunction(inputMethod.ENTER_KEY_TYPE_NEXT,(isSuccess)=>{
+  console.info("isSuccess = " + isSuccess);
+});
+```
 
 ### sendKeyFunction
 
@@ -632,23 +640,25 @@ Sets the Enter key to send the text to its target. This API uses a promise to re
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Parameters
-  | Name| Type| Mandatory| Description|
-  | -------- | -------- | -------- | -------- |
-  | action | number | Yes| Edit box attribute.|
+**Parameters**
 
-- Return value
-  | Type                           | Description                                                        |
-  | ------------------------------- | ------------------------------------------------------------ |
-  | Promise&lt;boolean&gt; |  Returns whether the operation is successful.               |
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| action | number | Yes| Edit box attribute.|
 
-- Example
+**Return value**
+
+| Type                           | Description                                                        |
+| ------------------------------- | ------------------------------------------------------------ |
+| Promise&lt;boolean&gt; |  Returns whether the operation is successful.               |
+
+**Example**
+
+```js
+var isSuccess = TextInputClient.sendKeyFunction(inputMethod.ENTER_KEY_TYPE_NEXT);
+console.info("isSuccess = " + isSuccess);
+```
 
-  ```
-  var isSuccess = TextInputClient.sendKeyFunction(inputMethod.ENTER_KEY_TYPE_NEXT);
-  console.info("isSuccess = " + isSuccess);
-  ```
-  
 ### insertText
 
 insertText(text:string, callback: AsyncCallback&lt;boolean&gt;): void
@@ -657,19 +667,20 @@ Inserts text. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Parameters
+**Parameters**
 
-    | Name| Type| Mandatory| Description|
-    | -------- | -------- | -------- | -------- |
-    | text | string | Yes| Text to insert.|
-    | callback | AsyncCallback&lt;boolean&gt; | Yes| Returns whether the operation is successful.|
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| text | string | Yes| Text to insert.|
+| callback | AsyncCallback&lt;boolean&gt; | Yes| Returns whether the operation is successful.|
 
-- Example
-    ```
-    TextInputClient.insertText("test", (isSuccess)=>{
-      console.info("isSuccess = " + isSuccess);
-    });
-    ```
+**Example**
+
+```js
+TextInputClient.insertText("test", (isSuccess)=>{
+  console.info("isSuccess = " + isSuccess);
+});
+```
 
 ### insertText
 
@@ -679,23 +690,25 @@ Inserts text. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Parameters
-  | Name| Type| Mandatory| Description|
-  | -------- | -------- | -------- | -------- |
-  | text | string | Yes| Text to insert.|
+**Parameters**
 
-- Return value   
-  | Type                           | Description                                                        |
-  | ------------------------------- | ------------------------------------------------------------ |
-  | Promise&lt;boolean&gt; |  Returns whether the operation is successful.               |
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| text | string | Yes| Text to insert.|
 
-- Example
+**Return value**   
+
+| Type                           | Description                                                        |
+| ------------------------------- | ------------------------------------------------------------ |
+| Promise&lt;boolean&gt; |  Returns whether the operation is successful.               |
+
+**Example**
+
+```js
+var isSuccess = TextInputClient.insertText("test");
+console.info("isSuccess = " + isSuccess);
+```
 
-  ```
-  var isSuccess = TextInputClient.insertText("test");
-  console.info("isSuccess = " + isSuccess);
-  ```
-  
 ### getEditorAttribute
 
 getEditorAttribute(callback: AsyncCallback&lt;EditorAttribute&gt;): void
@@ -704,16 +717,18 @@ Obtains the attribute of the edit box. This API uses an asynchronous callback to
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Parameters
-   | Name                        | Type                         | Mandatory                           | Description                                                        |
-   | ------------------------------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------------------------------------------------------ |
-   | callback | AsyncCallback&lt;[EditorAttribute](#EditorAttribute)&gt; | Yes|  Attribute of the edit box.               |
+**Parameters**
+
+| Name                        | Type                         | Mandatory                           | Description                                                        |
+| ------------------------------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------------------------------------------------------ |
+| callback | AsyncCallback&lt;[EditorAttribute](#EditorAttribute)&gt; | Yes|  Attribute of the edit box.               |
+
+**Example**
 
-- Example
-  ```
-    TextInputClient.getEditorAttribute((EditorAttribute)=>{
-    });
-  ```
+```js
+  TextInputClient.getEditorAttribute((EditorAttribute)=>{
+  });
+```
 
 ### getEditorAttribute
 
@@ -723,15 +738,17 @@ Obtains the attribute of the edit box. This API uses a promise to return the res
 
 **System capability**: SystemCapability.Miscservices.InputMethodFramework
 
-- Return value
-  | Type                           | Description                                                        |
-  | ------------------------------- | ------------------------------------------------------------ |
-  | Promise&lt;[EditorAttribute](#EditorAttribute)&gt; |  Returns the attribute of the edit box.          |
+**Return value**
+
+| Type                           | Description                                                        |
+| ------------------------------- | ------------------------------------------------------------ |
+| Promise&lt;[EditorAttribute](#EditorAttribute)&gt; |  Returns the attribute of the edit box.          |
 
-- Example
-   ```
-   var EditorAttribute = TextInputClient.getEditorAttribute();
-   ```
+**Example**
+
+```js
+var EditorAttribute = TextInputClient.getEditorAttribute();
+```
 
 ## EditorAttribute<a name="EditorAttribute"></a>
 

en/application-dev/reference/apis/js-apis-pasteboard.md

 # Pasteboard
 
 
-> ![icon-note.gif](public_sys-resources/icon-note.gif) **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.
+> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**<br>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.
+>
 
 
 ## Modules to Import
@@ -19,11 +19,11 @@ import pasteboard from '@ohos.pasteboard';
 
 | Name | Type | Readable | Writable | Description |
 | -------- | -------- | -------- | -------- | -------- |
-| MAX_RECORD_NUM<sup>7+</sup> | number | Yes | No | Maximum&nbsp;number&nbsp;of&nbsp;records&nbsp;allowed&nbsp;in&nbsp;a&nbsp;**PasteData**&nbsp;object. |
-| MIMETYPE_TEXT_HTML<sup>7+</sup> | string | Yes | No | MIME&nbsp;type&nbsp;of&nbsp;the&nbsp;HTML&nbsp;text. |
-| MIMETYPE_TEXT_WANT<sup>7+</sup> | string | Yes | No | MIME&nbsp;type&nbsp;of&nbsp;the&nbsp;Want&nbsp;text. |
-| MIMETYPE_TEXT_PLAIN<sup>7+</sup> | string | Yes | No | MIME&nbsp;type&nbsp;of&nbsp;the&nbsp;plain&nbsp;text. |
-| MIMETYPE_TEXT_URI<sup>7+</sup> | string | Yes | No | MIME&nbsp;type&nbsp;of&nbsp;the&nbsp;URI&nbsp;text. |
+| MAX_RECORD_NUM<sup>7+</sup> | number | Yes | No | Maximum number of records allowed in a **PasteData** object. |
+| MIMETYPE_TEXT_HTML<sup>7+</sup> | string | Yes | No | MIME type of the HTML text. |
+| MIMETYPE_TEXT_WANT<sup>7+</sup> | string | Yes | No | MIME type of the Want text. |
+| MIMETYPE_TEXT_PLAIN<sup>7+</sup> | string | Yes | No | MIME type of the plain text. |
+| MIMETYPE_TEXT_URI<sup>7+</sup> | string | Yes | No | MIME type of the URI text. |
 
 
 ## pasteboard.createPlainTextData
@@ -34,21 +34,23 @@ Creates a **PasteData** object for plain text.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | text | string | Yes | Plain&nbsp;text. |
+**Parameters**
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | [PasteData](#pastedata) | **PasteData**&nbsp;object&nbsp;with&nbsp;the&nbsp;specified&nbsp;content. |
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| text | string | Yes | Plain text. |
 
-- Example
-  
-  ```
-  var pasteData = pasteboard.createPlainTextData("content");
-  ```
+**Return value**
+
+| Type | Description |
+| -------- | -------- |
+| [PasteData](#pastedata) | **PasteData** object with the specified content. |
+
+**Example**
+
+```js
+var pasteData = pasteboard.createPlainTextData("content");
+```
 
 
 ## pasteboard.createHtmlData<sup>7+</sup>
@@ -59,22 +61,24 @@ Creates a **PasteData** object for HTML text.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | htmlText | string | Yes | HTML&nbsp;text. |
+**Parameters**
+
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| htmlText | string | Yes | HTML text. |
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | [PasteData](#pastedata) | **PasteData**&nbsp;object&nbsp;with&nbsp;the&nbsp;specified&nbsp;content. |
+**Return value**
 
-- Example
-  
-  ```
-  var html = "<!DOCTYPE html>\n" + "<html>\n" + "<head>\n" + "<meta charset=\"utf-8\">\n" + "<title>HTML-PASTEBOARD_HTML</title>\n" + "</head>\n" + "<body>\n" + "    <h1>HEAD</h1>\n" + "    <p></p>\n" + "</body>\n" + "</html>";
-  var pasteData = pasteboard.createHtmlData(html);
-  ```
+| Type | Description |
+| -------- | -------- |
+| [PasteData](#pastedata) | **PasteData** object with the specified content. |
+
+**Example**
+
+```js
+var html = "<!DOCTYPE html>\n" + "<html>\n" + "<head>\n" + "<meta charset=\"utf-8\">\n" + "<title>HTML-PASTEBOARD_HTML</title>\n" + "</head>\n" + "<body>\n" + "    <h1>HEAD</h1>\n" + "    <p></p>\n" + "</body>\n" + "</html>";
+var pasteData = pasteboard.createHtmlData(html);
+```
 
 
 ## pasteboard.createWantData<sup>7+</sup>
@@ -85,25 +89,27 @@ Creates a **PasteData** object for Want text.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | want | [Want](js-apis-featureAbility.md#want) | Yes | Want&nbsp;text. |
+**Parameters**
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | [PasteData](#pastedata) | **PasteData**&nbsp;object&nbsp;with&nbsp;the&nbsp;specified&nbsp;content. |
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| want | [Want](js-apis-application-Want.md) | Yes | Want text. |
 
-- Example
-  
-  ```
-  var object = {
-      bundleName: "com.example.aafwk.test",
-      abilityName: "com.example.aafwk.test.TwoAbility"
-  };
-  var pasteData = pasteboard.createWantData(object);
-  ```
+**Return value**
+
+| Type | Description |
+| -------- | -------- |
+| [PasteData](#pastedata) | **PasteData** object with the specified content. |
+
+**Example**
+
+```js
+var object = {
+    bundleName: "com.example.aafwk.test",
+    abilityName: "com.example.aafwk.test.TwoAbility"
+};
+var pasteData = pasteboard.createWantData(object);
+```
 
 
 ## pasteboard.createUriData<sup>7+</sup>
@@ -114,21 +120,23 @@ Creates a **PasteData** object for URI text.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | uri | string | Yes | URI&nbsp;text. |
+**Parameters**
+
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| uri | string | Yes | URI text. |
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | [PasteData](#pastedata) | **PasteData**&nbsp;object&nbsp;with&nbsp;the&nbsp;specified&nbsp;content. |
+**Return value**
 
-- Example
-  
-  ```
-  var pasteData = pasteboard.createUriData("dataability:///com.example.myapplication1?user.txt");
-  ```
+| Type | Description |
+| -------- | -------- |
+| [PasteData](#pastedata) | **PasteData** object with the specified content. |
+
+**Example**
+
+```js
+var pasteData = pasteboard.createUriData("dataability:///com.example.myapplication1?user.txt");
+```
 
 
 ## pasteboard.createPlainTextRecord<sup>7+</sup>
@@ -139,21 +147,23 @@ Creates a **PasteDataRecord** object of the plain text type.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | text | string | Yes | Plain&nbsp;text. |
+**Parameters**
+
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| text | string | Yes | Plain text. |
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | [PasteDataRecord](#pastedatarecord7) | New&nbsp;plain&nbsp;text&nbsp;record. |
+**Return value**
 
-- Example
-  
-  ```
-  var record = pasteboard.createPlainTextRecord("hello");
-  ```
+| Type | Description |
+| -------- | -------- |
+| [PasteDataRecord](#pastedatarecord7) | New plain text record. |
+
+**Example**
+
+```js
+var record = pasteboard.createPlainTextRecord("hello");
+```
 
 
 ## pasteboard.createHtmlTextRecord<sup>7+</sup>
@@ -164,22 +174,24 @@ Creates a **PasteDataRecord** object of the HTML text type.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | htmlText | string | Yes | HTML&nbsp;text. |
+**Parameters**
+
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| htmlText | string | Yes | HTML text. |
+
+**Return value**
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | [PasteDataRecord](#pastedatarecord7) | New&nbsp;HTML&nbsp;record. |
+| Type | Description |
+| -------- | -------- |
+| [PasteDataRecord](#pastedatarecord7) | New HTML record. |
 
-- Example
-  
-  ```
-  var html = "<!DOCTYPE html>\n" + "<html>\n" + "<head>\n" + "<meta charset=\"utf-8\">\n" + "<title>HTML-PASTEBOARD_HTML</title>\n" + "</head>\n" + "<body>\n" + "    <h1>HEAD</h1>\n" + "    <p></p>\n" + "</body>\n" + "</html>";
-  var record = pasteboard.createHtmlTextRecord(html);
-  ```
+**Example**
+
+```js
+var html = "<!DOCTYPE html>\n" + "<html>\n" + "<head>\n" + "<meta charset=\"utf-8\">\n" + "<title>HTML-PASTEBOARD_HTML</title>\n" + "</head>\n" + "<body>\n" + "    <h1>HEAD</h1>\n" + "    <p></p>\n" + "</body>\n" + "</html>";
+var record = pasteboard.createHtmlTextRecord(html);
+```
 
 
 ## pasteboard.createWantRecord<sup>7+</sup>
@@ -190,25 +202,27 @@ Creates a **PasteDataRecord** object of the Want text type.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | want | [Want](js-apis-featureAbility.md#want) | Yes | Want&nbsp;text. |
+**Parameters**
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | [PasteDataRecord](#pastedatarecord7) | New&nbsp;Want&nbsp;record. |
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| want | [Want](js-apis-application-Want.md) | Yes | Want text. |
 
-- Example
-  
-  ```
-  var object = {
-      bundleName: "com.example.aafwk.test",
-      abilityName: "com.example.aafwk.test.TwoAbility"
-  };
-  var record = pasteboard.createWantRecord(object);
-  ```
+**Return value**
+
+| Type | Description |
+| -------- | -------- |
+| [PasteDataRecord](#pastedatarecord7) | New Want record. |
+
+**Example**
+
+```js
+var object = {
+    bundleName: "com.example.aafwk.test",
+    abilityName: "com.example.aafwk.test.TwoAbility"
+};
+var record = pasteboard.createWantRecord(object);
+```
 
 
 ## pasteboard.createUriRecord<sup>7+</sup>
@@ -219,21 +233,23 @@ Creates a **PasteDataRecord** object of the URI text type.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | uri | string | Yes | URI&nbsp;text. |
+**Parameters**
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | [PasteDataRecord](#pastedatarecord7) | New&nbsp;URI&nbsp;record. |
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| uri | string | Yes | URI text. |
 
-- Example
-  
-  ```
-  var record = pasteboard.createUriRecord("dataability:///com.example.myapplication1?user.txt");
-  ```
+**Return value**
+
+| Type | Description |
+| -------- | -------- |
+| [PasteDataRecord](#pastedatarecord7) | New URI record. |
+
+**Example**
+
+```js
+var record = pasteboard.createUriRecord("dataability:///com.example.myapplication1?user.txt");
+```
 
 
 ## PasteDataProperty<sup>7+</sup>
@@ -244,11 +260,11 @@ Defines the properties of all data records on the pasteboard, including the time
 
 | Name | Type | Readable | Writable | Description |
 | -------- | -------- | -------- | -------- | -------- |
-| additions | {[key:&nbsp;string]:&nbsp;object} | Yes | Yes | Additional&nbsp;property&nbsp;data. |
-| mimeTypes | Array&lt;string&gt; | Yes | No | Non-repeating&nbsp;data&nbsp;types&nbsp;of&nbsp;the&nbsp;data&nbsp;records&nbsp;on&nbsp;the&nbsp;pasteboard. |
-| tag | string | Yes | Yes | User-defined&nbsp;tag. |
-| timestamp | number | Yes | No | Timestamp&nbsp;at&nbsp;which&nbsp;the&nbsp;data&nbsp;is&nbsp;written&nbsp;to&nbsp;the&nbsp;pasteboard,&nbsp;in&nbsp;milliseconds. |
-| localOnly | boolean | Yes | Yes | Whether&nbsp;local&nbsp;access&nbsp;only&nbsp;is&nbsp;set&nbsp;for&nbsp;the&nbsp;pasteboard.<br/>-&nbsp;The&nbsp;default&nbsp;value&nbsp;is&nbsp;**true**.<br/>-&nbsp;**true**:&nbsp;The&nbsp;**PasteData**&nbsp;is&nbsp;set&nbsp;for&nbsp;local&nbsp;access&nbsp;only.<br/>-&nbsp;**false**:&nbsp;The&nbsp;**PasteData**&nbsp;can&nbsp;be&nbsp;shared&nbsp;between&nbsp;devices. |
+| additions | {[key: string]: object} | Yes | Yes | Additional property data. |
+| mimeTypes | Array&lt;string&gt; | Yes | No | Non-repeating data types of the data records on the pasteboard. |
+| tag | string | Yes | Yes | User-defined tag. |
+| timestamp | number | Yes | No | Timestamp at which the data is written to the pasteboard, in milliseconds. |
+| localOnly | boolean | Yes | Yes | Whether local access only is set for the pasteboard.<br/>- The default value is **true**.<br/>- **true**: The **PasteData** is set for local access only.<br/>- **false**: The **PasteData** can be shared between devices. |
 
 
 ## PasteDataRecord<sup>7+</sup>
@@ -262,63 +278,65 @@ A data record is an abstract definition of the content on the pasteboard. The pa
 
 | Name | Type | Readable | Writable | Description |
 | -------- | -------- | -------- | -------- | -------- |
-| htmlText<sup>7+</sup> | string | Yes | No | HTML&nbsp;text. |
-| want<sup>7+</sup> | [Want](js-apis-featureAbility.md#want) | Yes | No | Want&nbsp;text. |
-| mimeType<sup>7+</sup> | string | Yes | No | Data&nbsp;type. |
-| plainText<sup>7+</sup> | string | Yes | No | Plain&nbsp;text. |
-| uri<sup>7+</sup> | string | Yes | No | URI&nbsp;text. |
+| htmlText<sup>7+</sup> | string | Yes | No | HTML text. |
+| want<sup>7+</sup> | [Want](js-apis-featureAbility.md#want) | Yes | No | Want text. |
+| mimeType<sup>7+</sup> | string | Yes | No | Data type. |
+| plainText<sup>7+</sup> | string | Yes | No | Plain text. |
+| uri<sup>7+</sup> | string | Yes | No | URI text. |
 
 
 ### convertToText<sup>7+</sup>
 
 convertToText(): Promise&lt;string&gt;
 
-Forcibly converts the content in this **PasteData** object to the plain text. This method uses a promise to return the result.
+Forcibly converts the content in this **PasteData** object to the plain text. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;void&gt; | Promise&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;result.&nbsp;If&nbsp;the&nbsp;operation&nbsp;is&nbsp;successful,&nbsp;the&nbsp;plain&nbsp;text&nbsp;content&nbsp;after&nbsp;conversion&nbsp;is&nbsp;returned.&nbsp;Otherwise,&nbsp;error&nbsp;information&nbsp;is&nbsp;returned. |
+**Return value**
 
-- Example
-  
-  ```
-  var record = pasteboard.createUriRecord("dataability:///com.example.myapplication1?user.txt");
-  record.convertToText().then((data) => {
-      console.info('convertToText success data : ' + JSON.stringify(data));
-  }).catch((error) => { 
-      console.error('convertToText failed because ' + JSON.stringify(error));
-  });
-  ```
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;void&gt; | Promise used to return the result. If the operation is successful, the plain text content after conversion is returned. Otherwise, error information is returned. |
+
+**Example**
+
+```js
+var record = pasteboard.createUriRecord("dataability:///com.example.myapplication1?user.txt");
+record.convertToText().then((data) => {
+    console.info('convertToText success data : ' + JSON.stringify(data));
+}).catch((error) => { 
+    console.error('convertToText failed because ' + JSON.stringify(error));
+});
+```
 
 
 ### convertToText<sup>7+</sup>
 
 convertToText(callback: AsyncCallback&lt;string&gt;): void
 
-Forcibly converts the content in this **PasteData** object to the plain text. This method uses an asynchronous callback to return the result.
+Forcibly converts the content in this **PasteData** object to the plain text. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;string&gt; | Yes | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;result.&nbsp;If&nbsp;this&nbsp;callback&nbsp;is&nbsp;successful,&nbsp;the&nbsp;plain&nbsp;text&nbsp;content&nbsp;after&nbsp;conversion&nbsp;is&nbsp;returned.&nbsp;Otherwise,&nbsp;error&nbsp;information&nbsp;is&nbsp;returned. |
-
-- Example
-  
-  ```
-  var record = pasteboard.createUriRecord("dataability:///com.example.myapplication1?user.txt");
-  record.convertToText((err, data) => {    
-      if (err) {        
-          console.error('convertToText failed because ' + JSON.stringify(err));        
-          return;   
-        }
-      console.info('convertToText success data : ' + JSON.stringify(data));
-  });
-  ```
+**Parameters**
+
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;string&gt; | Yes | Callback used to return the result. If this callback is successful, the plain text content after conversion is returned. Otherwise, error information is returned. |
+
+**Example**
+
+```js
+var record = pasteboard.createUriRecord("dataability:///com.example.myapplication1?user.txt");
+record.convertToText((err, data) => {    
+    if (err) {        
+        console.error('convertToText failed because ' + JSON.stringify(err));        
+        return;   
+      }
+    console.info('convertToText success data : ' + JSON.stringify(data));
+});
+```
 
 
 ## PasteData
@@ -339,22 +357,19 @@ Obtains the plain text of the primary record.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
+**Return value**
 
-- Parameters
-  None
 
+| Type | Description |
+| -------- | -------- |
+| string | Plain text. |
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | string | Plain&nbsp;text. |
+**Example**
 
-- Example
-  
-  ```
-  var pasteData = pasteboard.createPlainTextData("hello");
-  var plainText = pasteData.getPrimaryText();
-  ```
+```js
+var pasteData = pasteboard.createPlainTextData("hello");
+var plainText = pasteData.getPrimaryText();
+```
 
 
 ### getPrimaryHtml<sup>7+</sup>
@@ -365,18 +380,19 @@ Obtains the HTML text of the primary record.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | string | HTML&nbsp;text. |
+**Return value**
 
-- Example
-  
-  ```
-  var html = "<!DOCTYPE html>\n" + "<html>\n" + "<head>\n" + "<meta charset=\"utf-8\">\n" + "<title>HTML-PASTEBOARD_HTML</title>\n" + "</head>\n" + "<body>\n" + "    <h1>HEAD</h1>\n" + "    <p></p>\n" + "</body>\n" + "</html>";
-  var pasteData = pasteboard.createHtmlData(html);
-  var htmlText = pasteData.getPrimaryHtml();
-  ```
+| Type | Description |
+| -------- | -------- |
+| string | HTML text. |
+
+**Example**
+
+```js
+var html = "<!DOCTYPE html>\n" + "<html>\n" + "<head>\n" + "<meta charset=\"utf-8\">\n" + "<title>HTML-PASTEBOARD_HTML</title>\n" + "</head>\n" + "<body>\n" + "    <h1>HEAD</h1>\n" + "    <p></p>\n" + "</body>\n" + "</html>";
+var pasteData = pasteboard.createHtmlData(html);
+var htmlText = pasteData.getPrimaryHtml();
+```
 
 
 ### getPrimaryWant<sup>7+</sup>
@@ -387,21 +403,22 @@ Obtains the **Want** object of the primary record.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | [Want](js-apis-featureAbility.md#want) | Want&nbsp;object. |
+**Return value**
+
+| Type | Description |
+| -------- | -------- |
+| [Want](js-apis-application-Want.md) | Want object. |
+
+**Example**
 
-- Example
-  
-  ```
-  var object = { 
-      bundleName: "com.example.aafwk.test",    
-      abilityName: "com.example.aafwk.test.TwoAbility"
-  };
-  var pasteData = pasteboard.createWantData(object);
-  var want = pasteData.getPrimaryWant();
-  ```
+```js
+var object = { 
+    bundleName: "com.example.aafwk.test",    
+    abilityName: "com.example.aafwk.test.TwoAbility"
+};
+var pasteData = pasteboard.createWantData(object);
+var want = pasteData.getPrimaryWant();
+```
 
 
 ### getPrimaryUri<sup>7+</sup>
@@ -412,17 +429,18 @@ Obtains the URI text of the primary record.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | string | URI&nbsp;text. |
+**Return value**
+
+| Type | Description |
+| -------- | -------- |
+| string | URI text. |
 
-- Example
-  
-  ```
-  var pasteData = pasteboard.createUriData("dataability:///com.example.myapplication1?user.txt");
-  var uri = pasteData.getPrimaryUri();
-  ```
+**Example**
+
+```js
+var pasteData = pasteboard.createUriData("dataability:///com.example.myapplication1?user.txt");
+var uri = pasteData.getPrimaryUri();
+```
 
 
 ### addTextRecord<sup>7+</sup>
@@ -435,17 +453,18 @@ The pasteboard supports a maximum number of 128 data records.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | text | string | Yes | Plain&nbsp;text. |
+**Parameters**
 
-- Example
-  
-  ```
-  var pasteData = pasteboard.createPlainTextData("hello");
-  pasteData.addTextRecord("good");
-  ```
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| text | string | Yes | Plain text. |
+
+**Example**
+
+```js
+var pasteData = pasteboard.createPlainTextData("hello");
+pasteData.addTextRecord("good");
+```
 
 
 ### addHtmlRecord<sup>7+</sup>
@@ -458,18 +477,19 @@ The pasteboard supports a maximum number of 128 data records.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | htmlText | string | Yes | HTML&nbsp;text. |
+**Parameters**
+
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| htmlText | string | Yes | HTML text. |
+
+**Example**
 
-- Example
-  
-  ```
-  var pasteData = pasteboard.createPlainTextData("hello");
-  var html = "<!DOCTYPE html>\n" + "<html>\n" + "<head>\n" + "<meta charset=\"utf-8\">\n" + "<title>HTML-PASTEBOARD_HTML</title>\n" + "</head>\n" + "<body>\n" + "    <h1>HEAD</h1>\n" + "    <p></p>\n" + "</body>\n" + "</html>";
-  pasteData.addHtmlRecord(html);
-  ```
+```js
+var pasteData = pasteboard.createPlainTextData("hello");
+var html = "<!DOCTYPE html>\n" + "<html>\n" + "<head>\n" + "<meta charset=\"utf-8\">\n" + "<title>HTML-PASTEBOARD_HTML</title>\n" + "</head>\n" + "<body>\n" + "    <h1>HEAD</h1>\n" + "    <p></p>\n" + "</body>\n" + "</html>";
+pasteData.addHtmlRecord(html);
+```
 
 
 ### addWantRecord<sup>7+</sup>
@@ -482,21 +502,22 @@ The pasteboard supports a maximum number of 128 data records.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | want | [Want](js-apis-featureAbility.md#want) | Yes | Want&nbsp;object. |
+**Parameters**
+
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| want | [Want](js-apis-featureAbility.md#want) | Yes | Want object. |
 
-- Example
-  
-  ```
-  var pasteData = pasteboard.createPlainTextData("hello");
-  var object = { 
-      bundleName: "com.example.aafwk.test",    
-      abilityName: "com.example.aafwk.test.TwoAbility"
-  };
-  pasteData.addWantRecord(object);
-  ```
+**Example**
+
+```js
+var pasteData = pasteboard.createPlainTextData("hello");
+var object = { 
+    bundleName: "com.example.aafwk.test",    
+    abilityName: "com.example.aafwk.test.TwoAbility"
+};
+pasteData.addWantRecord(object);
+```
 
 
 ### addUriRecord<sup>7+</sup>
@@ -509,17 +530,18 @@ The pasteboard supports a maximum number of 128 data records.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | uri | string | Yes | URI&nbsp;text. |
+**Parameters**
 
-- Example
-  
-  ```
-  var pasteData = pasteboard.createPlainTextData("hello");
-  pasteData.addUriRecord("dataability:///com.example.myapplication1?user.txt");
-  ```
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| uri | string | Yes | URI text. |
+
+**Example**
+
+```js
+var pasteData = pasteboard.createPlainTextData("hello");
+pasteData.addUriRecord("dataability:///com.example.myapplication1?user.txt");
+```
 
 
 ### addRecord<sup>7+</sup>
@@ -532,21 +554,22 @@ The pasteboard supports a maximum number of 128 data records.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | record | [PasteDataRecord](#pastedatarecord7) | Yes | Record&nbsp;to&nbsp;add. |
+**Parameters**
+
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| record | [PasteDataRecord](#pastedatarecord7) | Yes | Record to add. |
+
+**Example**
 
-- Example
-  
-  ```
-  var pasteData = pasteboard.createUriData("dataability:///com.example.myapplication1?user.txt");
-  var textRecord = pasteboard.createPlainTextRecord("hello");
-  var html = "<!DOCTYPE html>\n" + "<html>\n" + "<head>\n" + "<meta charset=\"utf-8\">\n" + "<title>HTML-PASTEBOARD_HTML</title>\n" + "</head>\n" + "<body>\n" + "    <h1>HEAD</h1>\n" + "    <p></p>\n" + "</body>\n" + "</html>";
-  var htmlRecord = pasteboard.createHtmlTextRecord(html);
-  pasteData.addRecord(textRecord);
-  pasteData.addRecord(htmlRecord);
-  ```
+```js
+var pasteData = pasteboard.createUriData("dataability:///com.example.myapplication1?user.txt");
+var textRecord = pasteboard.createPlainTextRecord("hello");
+var html = "<!DOCTYPE html>\n" + "<html>\n" + "<head>\n" + "<meta charset=\"utf-8\">\n" + "<title>HTML-PASTEBOARD_HTML</title>\n" + "</head>\n" + "<body>\n" + "    <h1>HEAD</h1>\n" + "    <p></p>\n" + "</body>\n" + "</html>";
+var htmlRecord = pasteboard.createHtmlTextRecord(html);
+pasteData.addRecord(textRecord);
+pasteData.addRecord(htmlRecord);
+```
 
 
 ### getMimeTypes<sup>7+</sup>
@@ -557,17 +580,18 @@ Obtains **mimeTypes** in [PasteDataProperty](#pastedataproperty7) from this past
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Array&lt;string&gt; | List&nbsp;of&nbsp;non-duplicate&nbsp;MIME&nbsp;types. |
+**Return value**
+
+| Type | Description |
+| -------- | -------- |
+| Array&lt;string&gt; | List of non-duplicate MIME types. |
 
-- Example
-  
-  ```
-  var pasteData = pasteboard.createPlainTextData("hello");
-  var types = pasteData.getMimeTypes();
-  ```
+**Example**
+
+```js
+var pasteData = pasteboard.createPlainTextData("hello");
+var types = pasteData.getMimeTypes();
+```
 
 
 ### getPrimaryMimeType<sup>7+</sup>
@@ -578,17 +602,18 @@ Obtains the data type of the primary record.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | string | Data&nbsp;type&nbsp;of&nbsp;the&nbsp;primary&nbsp;record. |
+**Return value**
 
-- Example
-  
-  ```
-  var pasteData = pasteboard.createPlainTextData("hello");
-  var type = pasteData.getPrimaryMimeType();
-  ```
+| Type | Description |
+| -------- | -------- |
+| string | Data type of the primary record. |
+
+**Example**
+
+```js
+var pasteData = pasteboard.createPlainTextData("hello");
+var type = pasteData.getPrimaryMimeType();
+```
 
 
 ### getProperty<sup>7+</sup>
@@ -599,17 +624,18 @@ Obtains the property description object.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | [PasteDataProperty](#pastedataproperty7) | Property&nbsp;description&nbsp;object. |
+**Return value**
+
+| Type | Description |
+| -------- | -------- |
+| [PasteDataProperty](#pastedataproperty7) | Property description object. |
+
+**Example**
 
-- Example
-  
-  ```
-  var pasteData = pasteboard.createPlainTextData("hello");
-  var property = pasteData.getProperty();
-  ```
+```js
+var pasteData = pasteboard.createPlainTextData("hello");
+var property = pasteData.getProperty();
+```
 
 
 ### getRecordAt<sup>7+</sup>
@@ -620,22 +646,24 @@ Obtains the record with the specified index.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | index | number | Yes | Index&nbsp;of&nbsp;the&nbsp;specified&nbsp;record. |
+**Parameters**
+
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| index | number | Yes | Index of the specified record. |
+
+**Return value**
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | [PasteDataRecord](#pastedatarecord7) | Record&nbsp;with&nbsp;the&nbsp;specified&nbsp;index. |
+| Type | Description |
+| -------- | -------- |
+| [PasteDataRecord](#pastedatarecord7) | Record with the specified index. |
 
-- Example
-  
-  ```
-  var pasteData = pasteboard.createPlainTextData("hello");
-  var record = pasteData.getRecordAt(0);
-  ```
+**Example**
+
+```js
+var pasteData = pasteboard.createPlainTextData("hello");
+var record = pasteData.getRecordAt(0);
+```
 
 
 ### getRecordCount<sup>7+</sup>
@@ -646,17 +674,18 @@ Obtains the number of data records in this pasteboard.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | number | Number&nbsp;of&nbsp;records. |
+**Return value**
 
-- Example
-  
-  ```
-  var pasteData = pasteboard.createPlainTextData("hello");
-  var count = pasteData.getRecordCount();
-  ```
+| Type | Description |
+| -------- | -------- |
+| number | Number of records. |
+
+**Example**
+
+```js
+var pasteData = pasteboard.createPlainTextData("hello");
+var count = pasteData.getRecordCount();
+```
 
 
 ### getTag<sup>7+</sup>
@@ -667,17 +696,18 @@ Obtains the user-defined tag content. If the tag content is not set, null is ret
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | string | User-defined&nbsp;tag&nbsp;content&nbsp;if&nbsp;obtained&nbsp;and&nbsp;null&nbsp;if&nbsp;no&nbsp;tag&nbsp;is&nbsp;set. |
+**Return value**
 
-- Example
-  
-  ```
-  var pasteData = pasteboard.createPlainTextData("hello");
-  var tag = pasteData.getTag();
-  ```
+| Type | Description |
+| -------- | -------- |
+| string | User-defined tag content if obtained and null if no tag is set. |
+
+**Example**
+
+```js
+var pasteData = pasteboard.createPlainTextData("hello");
+var tag = pasteData.getTag();
+```
 
 
 ### hasMimeType<sup>7+</sup>
@@ -688,22 +718,24 @@ Checks whether the content of this pasteboard contains the specified data type.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | mimeType | string | Yes | Type&nbsp;of&nbsp;the&nbsp;data&nbsp;to&nbsp;query. |
+**Parameters**
+
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| mimeType | string | Yes | Type of the data to query. |
+
+**Return value**
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | boolean | Returns&nbsp;**true**&nbsp;if&nbsp;the&nbsp;specified&nbsp;data&nbsp;type&nbsp;exists;&nbsp;returns&nbsp;**false**&nbsp;otherwise. |
+| Type | Description |
+| -------- | -------- |
+| boolean | Returns **true** if the specified data type exists; returns **false** otherwise. |
 
-- Example
-  
-  ```
-  var pasteData = pasteboard.createPlainTextData("hello");
-  var hasType = pasteData.hasMimeType(pasteboard.MIMETYPE_TEXT_PLAIN);
-  ```
+**Example**
+
+```js
+var pasteData = pasteboard.createPlainTextData("hello");
+var hasType = pasteData.hasMimeType(pasteboard.MIMETYPE_TEXT_PLAIN);
+```
 
 
 ### removeRecordAt<sup>7+</sup>
@@ -714,22 +746,24 @@ Removes the data record with a specified index from this pasteboard.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | index | number | Yes | Specified&nbsp;index. |
+**Parameters**
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | boolean | Returns&nbsp;**true**&nbsp;if&nbsp;the&nbsp;operation&nbsp;is&nbsp;successful;&nbsp;returns&nbsp;**false**&nbsp;otherwise. |
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| index | number | Yes | Specified index. |
 
-- Example
-  
-  ```
-  var pasteData = pasteboard.createPlainTextData("hello");
-  var isRemove = pasteData.removeRecordAt(0);
-  ```
+**Return value**
+
+| Type | Description |
+| -------- | -------- |
+| boolean | Returns **true** if the operation is successful; returns **false** otherwise. |
+
+**Example**
+
+```js
+var pasteData = pasteboard.createPlainTextData("hello");
+var isRemove = pasteData.removeRecordAt(0);
+```
 
 
 ### replaceRecordAt<sup>7+</sup>
@@ -740,24 +774,26 @@ Replaces the data record with a specified index in this pasteboard.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | index | number | Yes | Specified&nbsp;index. |
-  | record | [PasteDataRecord](#pastedatarecord7) | Yes | New&nbsp;record. |
+**Parameters**
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | boolean | Returns&nbsp;**true**&nbsp;if&nbsp;the&nbsp;operation&nbsp;is&nbsp;successful;&nbsp;returns&nbsp;**false**&nbsp;otherwise. |
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| index | number | Yes | Specified index. |
+| record | [PasteDataRecord](#pastedatarecord7) | Yes | New record. |
 
-- Example
-  
-  ```
-  var pasteData = pasteboard.createPlainTextData("hello");
-  var record = pasteboard.createUriRecord("dataability:///com.example.myapplication1?user.txt");
-  var isReplace = pasteData.replaceRecordAt(0, record);
-  ```
+**Return value**
+
+| Type | Description |
+| -------- | -------- |
+| boolean | Returns **true** if the operation is successful; returns **false** otherwise. |
+
+**Example**
+
+```js
+var pasteData = pasteboard.createPlainTextData("hello");
+var record = pasteboard.createUriRecord("dataability:///com.example.myapplication1?user.txt");
+var isReplace = pasteData.replaceRecordAt(0, record);
+```
 
 
 ## pasteboard.getSystemPasteboard
@@ -768,21 +804,22 @@ Obtains the system pasteboard.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | [SystemPasteboard](#systempasteboard) | System&nbsp;pasteboard. |
+**Return value**
 
-- Example
-  
-  ```
-  var systemPasteboard = pasteboard.getSystemPasteboard();
-  ```
+| Type | Description |
+| -------- | -------- |
+| [SystemPasteboard](#systempasteboard) | System pasteboard. |
+
+**Example**
+
+```js
+var systemPasteboard = pasteboard.getSystemPasteboard();
+```
 
 
 ## SystemPasteboard
 
-  Before calling any **SystemPasteboard** method, you must obtain a **SystemPasteboard** object using [getSystemPasteboard](#pasteboardgetsystempasteboard).
+Before calling any **SystemPasteboard** method, you must obtain a **SystemPasteboard** object using [getSystemPasteboard](#pasteboardgetsystempasteboard).
 
 ```
 var systemPasteboard = pasteboard.getSystemPasteboard();
@@ -793,112 +830,117 @@ var systemPasteboard = pasteboard.getSystemPasteboard();
 
 setPasteData(data:PasteData, callback:AsyncCallback&lt;void&gt;): void
 
-Writes data to a pasteboard. This method uses an asynchronous callback to return the result.
+Writes data to a pasteboard. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | data | [PasteData](#pastedata) | Yes | **PasteData**&nbsp;object. |
-  | callback | AsyncCallback&lt;void&gt; | Yes | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;data&nbsp;write&nbsp;result. |
-
-- Example
-  
-  ```
-  var pasteData = pasteboard.createPlainTextData("content");
-  var systemPasteboard = pasteboard.getSystemPasteboard();
-  systemPasteboard.setPasteData(pasteData, (error, data) => { 
-      if (error) {
-          console.error('Failed to setPasteData. Cause: ' + error.message);
-          return;
-      }
-      console.info('setPasteData successfully.');
-  });
-  ```
+**Parameters**
+
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| data | [PasteData](#pastedata) | Yes | **PasteData** object. |
+| callback | AsyncCallback&lt;void> | Yes | Callback used to return the data write result. |
+
+**Example**
+
+```js
+var pasteData = pasteboard.createPlainTextData("content");
+var systemPasteboard = pasteboard.getSystemPasteboard();
+systemPasteboard.setPasteData(pasteData, (error, data) => { 
+    if (error) {
+        console.error('Failed to setPasteData. Cause: ' + error.message);
+        return;
+    }
+    console.info('setPasteData successfully.');
+});
+```
 
 
 ### setPasteData
 
 setPasteData(data:PasteData): Promise&lt;void&gt;
 
-Writes data to a pasteboard. This method uses a promise to return the result.
+Writes data to a pasteboard. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Description |
-  | -------- | -------- | -------- |
-  | data | [PasteData](#pastedata) | **PasteData**&nbsp;object. |
-
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;void&gt; | Promise&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;data&nbsp;write&nbsp;result. |
-
-- Example
-  
-  ```
-  var pasteData = pasteboard.createPlainTextData("content");
-  var systemPasteboard = pasteboard.getSystemPasteboard();
-  systemPasteboard.setPasteData(pasteData).then((data) => {
-      console.info('setPasteData success.');
-  }).catch((error) => {
-      console.error('Failed to setPasteData. Cause: ' + error.message);
-  });
-  ```
+**Parameters**
+
+| Name | Type | Description |
+| -------- | -------- | -------- |
+| data | [PasteData](#pastedata) | **PasteData** object. |
+
+**Return value**
+
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;void&gt; | Promise used to return the data write result. |
+
+**Example**
+
+```js
+var pasteData = pasteboard.createPlainTextData("content");
+var systemPasteboard = pasteboard.getSystemPasteboard();
+systemPasteboard.setPasteData(pasteData).then((data) => {
+    console.info('setPasteData success.');
+}).catch((error) => {
+    console.error('Failed to setPasteData. Cause: ' + error.message);
+});
+```
 
 
 ### getPasteData
 
 getPasteData( callback:AsyncCallback&lt;PasteData&gt;): void
 
-Reads the system pasteboard content. This method uses an asynchronous callback to return the result.
+Reads the system pasteboard content. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;[PasteData](#pastedata)&gt; | Yes | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;system&nbsp;pasteboard&nbsp;data. |
-
-- Example
-  
-  ```
-  var systemPasteboard = pasteboard.getSystemPasteboard();
-  systemPasteboard.getPasteData((error, pasteData) => {  
-      if (error) {
-          console.error('Failed to getPasteData. Cause: ' + error.message);
-          return;
-      }
-      var text = pasteData.getPrimaryText();
-  });
-  ```
+**Parameters**
+
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;[PasteData](#pastedata)&gt; | Yes | Callback used to return the system pasteboard data. |
+
+**Example**
+
+```js
+var systemPasteboard = pasteboard.getSystemPasteboard();
+systemPasteboard.getPasteData((error, pasteData) => {  
+    if (error) {
+        console.error('Failed to getPasteData. Cause: ' + error.message);
+        return;
+    }
+    var text = pasteData.getPrimaryText();
+});
+```
 
 
 ### getPasteData
 
 getPasteData(): Promise&lt;PasteData&gt;
 
-Reads the system pasteboard content. This method uses a promise to return the result.
+Reads the system pasteboard content. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;[PasteData](#pastedata)&gt; | Promise&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;system&nbsp;pasteboard&nbsp;data. |
+**Return value**
 
-- Example
-  
-  ```
-  var systemPasteboard = pasteboard.getSystemPasteboard();
-  systemPasteboard.getPasteData().then((pasteData) => { 
-      var text = pasteData.getPrimaryText();
-  }).catch((error) => {
-      console.error('Failed to getPasteData. Cause: ' + error.message);
-  })
-  ```
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;[PasteData](#pastedata)&gt; | Promise used to return the system pasteboard data. |
+
+**Example**
+
+```js
+var systemPasteboard = pasteboard.getSystemPasteboard();
+systemPasteboard.getPasteData().then((pasteData) => { 
+    var text = pasteData.getPrimaryText();
+}).catch((error) => {
+    console.error('Failed to getPasteData. Cause: ' + error.message);
+})
+```
 
 
 ### on('update')<sup>7+</sup>
@@ -909,21 +951,22 @@ Subscribes to the content change event of the system pasteboard. If the pasteboa
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | type | string | Yes | Data&nbsp;type.&nbsp;The&nbsp;value&nbsp;**update**&nbsp;indicates&nbsp;the&nbsp;pasteboard&nbsp;content&nbsp;has&nbsp;changed. |
-  | callback | function | Yes | Callback&nbsp;invoked&nbsp;when&nbsp;the&nbsp;pasteboard&nbsp;content&nbsp;changes. |
+**Parameters**
 
-- Example
-  
-  ```
-  var systemPasteboard = pasteboard.getSystemPasteboard();
-  var listener = ()=>{
-      console.info('The system pasteboard has changed');
-  };
-  systemPasteboard.on('update', listener);
-  ```
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| type | string | Yes | Data type. The value **update** indicates the pasteboard content has changed. |
+| callback | function | Yes | Callback invoked when the pasteboard content changes. |
+
+**Example**
+
+```js
+var systemPasteboard = pasteboard.getSystemPasteboard();
+var listener = ()=>{
+    console.info('The system pasteboard has changed');
+};
+systemPasteboard.on('update', listener);
+```
 
 
 ### off('update')<sup>7+</sup>
@@ -934,114 +977,119 @@ Unsubscribes from the system pasteboard content change event.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | type | string | Yes | Data&nbsp;type.&nbsp;The&nbsp;value&nbsp;**update**&nbsp;indicates&nbsp;the&nbsp;pasteboard&nbsp;content&nbsp;has&nbsp;changed. |
-  | callback | function | No | Callback&nbsp;invoked&nbsp;when&nbsp;the&nbsp;pasteboard&nbsp;content&nbsp;changes. |
+**Parameters**
+
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| type | string | Yes | Data type. The value **update** indicates the pasteboard content has changed. |
+| callback | function | No | Callback invoked when the pasteboard content changes. |
 
-- Example
-  
-  ```
-  systemPasteboard.off('update', listener);
-  ```
+**Example**
+
+```js
+systemPasteboard.off('update', listener);
+```
 
 
 ### hasPasteData<sup>7+</sup>
 
 hasPasteData(callback:  AsyncCallback&lt;boolean&gt;): void
 
-Checks whether the system pasteboard contains content. This method uses an asynchronous callback to return the result.
+Checks whether the system pasteboard contains content. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;boolean&gt; | Yes | Returns&nbsp;**true**&nbsp;if&nbsp;the&nbsp;pasteboard&nbsp;contains&nbsp;content;&nbsp;returns&nbsp;**false**&nbsp;otherwise. |
-
-- Example
-  
-  ```
-  systemPasteboard.hasPasteData((err, data) => {
-      if (err) {
-          console.error('failed to hasPasteData because ' + JSON.stringify(err));
-          return;
-      }
-      console.info('success hasPasteData : ' + JSON.stringify(data));
-  });
-  ```
+**Parameters**
+
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;boolean&gt; | Yes | Returns **true** if the pasteboard contains content; returns **false** otherwise. |
+
+**Example**
+
+```js
+systemPasteboard.hasPasteData((err, data) => {
+    if (err) {
+        console.error('failed to hasPasteData because ' + JSON.stringify(err));
+        return;
+    }
+    console.info('success hasPasteData : ' + JSON.stringify(data));
+});
+```
 
 
 ### hasPasteData<sup>7+</sup>
 
 hasPasteData():  Promise&lt;boolean&gt;
 
-Checks whether the system pasteboard contains content. This method uses a promise to return the result.
+Checks whether the system pasteboard contains content. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;boolean&gt; | Returns&nbsp;**true**&nbsp;if&nbsp;the&nbsp;pasteboard&nbsp;contains&nbsp;content;&nbsp;returns&nbsp;**false**&nbsp;otherwise. |
+**Return value**
+
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;boolean&gt; | Returns **true** if the pasteboard contains content; returns **false** otherwise. |
+
+**Example**
 
-- Example
-  
-  ```
-  systemPasteboard.hasPasteData().then((data) => { 
-      console.info('Operation succeeded. ' + JSON.stringify(data));
-  }).catch((error) => {
-      console.error('failed to hasPasteData because ' + JSON.stringify(error));
-  });
-  ```
+```js
+systemPasteboard.hasPasteData().then((data) => { 
+    console.info('Operation succeeded. ' + JSON.stringify(data));
+}).catch((error) => {
+    console.error('failed to hasPasteData because ' + JSON.stringify(error));
+});
+```
 
 
 ### clear<sup>7+</sup>
 
 clear(callback:  AsyncCallback&lt;void&gt;): void
 
-Clears the system pasteboard content. This method uses an asynchronous callback to return the result.
+Clears the system pasteboard content. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;void&gt; | Yes | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;result. |
-
-- Example
-  
-  ```
-  systemPasteboard.clear((err, data) => { 
-      if (err) {        
-          console.error('failed to clear because ' + JSON.stringify(err));        
-          return;    
-      }
-      console.info('success clear');
-  });
-  ```
+**Parameters**
+
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;void&gt; | Yes | Callback used to return the result. |
+
+**Example**
+
+```js
+systemPasteboard.clear((err, data) => { 
+    if (err) {        
+        console.error('failed to clear because ' + JSON.stringify(err));        
+        return;    
+    }
+    console.info('success clear');
+});
+```
 
 
 ### clear<sup>7+</sup>
 
 clear():  Promise&lt;void&gt;
 
-Clears the system pasteboard content. This method uses a promise to return the result.
+Clears the system pasteboard content. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.MiscServices.Pasteboard
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;void&gt; | Promise&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;result. |
-
-- Example
-  
-  ```
-  systemPasteboard.clear().then((data) => { 
-      console.info('success clear');
-  }).catch((error) => {    
-      console.error('failed to clear because ' + JSON.stringify(error));
-  });
-  ```
+**Return value**
+
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;void&gt; | Promise used to return the result. |
+
+**Example**
+
+```js
+systemPasteboard.clear().then((data) => { 
+    console.info('success clear');
+}).catch((error) => {    
+    console.error('failed to clear because ' + JSON.stringify(error));
+});
+```
\ No newline at end of file

en/application-dev/reference/apis/js-apis-request.md

 # Upload and Download
 
 
-> ![icon-note.gif](public_sys-resources/icon-note.gif) **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.
+> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**<br>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.
+>
 
 
 ## Modules to Import
@@ -37,56 +37,58 @@ import request from '@ohos.request';
 
 | Name | Type | Readable | Writable | Description |
 | -------- | -------- | -------- | -------- | -------- |
-| NETWORK_MOBILE | number | Yes | No | Whether&nbsp;download&nbsp;is&nbsp;allowed&nbsp;when&nbsp;the&nbsp;cellular&nbsp;network&nbsp;is&nbsp;used. |
-| NETWORK_WIFI | number | Yes | No | Whether&nbsp;download&nbsp;is&nbsp;allowed&nbsp;when&nbsp;the&nbsp;WLAN&nbsp;is&nbsp;used. |
-| ERROR_CANNOT_RESUME<sup>7+</sup> | number | Yes | No | Failure&nbsp;to&nbsp;resume&nbsp;the&nbsp;download&nbsp;due&nbsp;to&nbsp;an&nbsp;error. |
-| ERROR_DEVICE_NOT_FOUND<sup>7+</sup> | number | Yes | No | Failure&nbsp;to&nbsp;find&nbsp;a&nbsp;storage&nbsp;device&nbsp;such&nbsp;as&nbsp;an&nbsp;SD&nbsp;card. |
-| ERROR_FILE_ALREADY_EXISTS<sup>7+</sup> | number | Yes | No | Failure&nbsp;to&nbsp;download&nbsp;the&nbsp;file&nbsp;because&nbsp;it&nbsp;already&nbsp;exists. |
-| ERROR_FILE_ERROR<sup>7+</sup> | number | Yes | No | File&nbsp;operation&nbsp;failure. |
-| ERROR_HTTP_DATA_ERROR<sup>7+</sup> | number | Yes | No | HTTP&nbsp;transmission&nbsp;failure. |
-| ERROR_INSUFFICIENT_SPACE<sup>7+</sup> | number | Yes | No | Insufficient&nbsp;storage&nbsp;space. |
-| ERROR_TOO_MANY_REDIRECTS<sup>7+</sup> | number | Yes | No | Error&nbsp;caused&nbsp;by&nbsp;too&nbsp;many&nbsp;network&nbsp;redirections. |
-| ERROR_UNHANDLED_HTTP_CODE<sup>7+</sup> | number | Yes | No | Unidentified&nbsp;HTTP&nbsp;code. |
-| ERROR_UNKNOWN<sup>7+</sup> | number | Yes | No | Unknown&nbsp;error. |
-| PAUSED_QUEUED_FOR_WIFI<sup>7+</sup> | number | Yes | No | Download&nbsp;paused&nbsp;and&nbsp;queuing&nbsp;for&nbsp;WLAN&nbsp;connection,&nbsp;because&nbsp;the&nbsp;file&nbsp;size&nbsp;exceeds&nbsp;the&nbsp;maximum&nbsp;value&nbsp;allowed&nbsp;by&nbsp;a&nbsp;cellular&nbsp;network&nbsp;session. |
-| PAUSED_UNKNOWN<sup>7+</sup> | number | Yes | No | Download&nbsp;paused&nbsp;due&nbsp;to&nbsp;unknown&nbsp;reasons. |
-| PAUSED_WAITING_FOR_NETWORK<sup>7+</sup> | number | Yes | No | Download&nbsp;paused&nbsp;due&nbsp;to&nbsp;a&nbsp;network&nbsp;connection&nbsp;problem,&nbsp;for&nbsp;example,&nbsp;network&nbsp;disconnection. |
-| PAUSED_WAITING_TO_RETRY<sup>7+</sup> | number | Yes | No | Download&nbsp;paused&nbsp;and&nbsp;then&nbsp;retried. |
-| SESSION_FAILED<sup>7+</sup> | number | Yes | No | Download&nbsp;failure&nbsp;without&nbsp;retry. |
-| SESSION_PAUSED<sup>7+</sup> | number | Yes | No | Download&nbsp;paused. |
-| SESSION_PENDING<sup>7+</sup> | number | Yes | No | Download&nbsp;pending. |
-| SESSION_RUNNING<sup>7+</sup> | number | Yes | No | Download&nbsp;in&nbsp;progress. |
-| SESSION_SUCCESSFUL<sup>7+</sup> | number | Yes | No | Successful&nbsp;download. |
+| NETWORK_MOBILE | number | Yes | No | Whether download is allowed when the cellular network is used. |
+| NETWORK_WIFI | number | Yes | No | Whether download is allowed when the WLAN is used. |
+| ERROR_CANNOT_RESUME<sup>7+</sup> | number | Yes | No | Failure to resume the download due to an error. |
+| ERROR_DEVICE_NOT_FOUND<sup>7+</sup> | number | Yes | No | Failure to find a storage device such as an SD card. |
+| ERROR_FILE_ALREADY_EXISTS<sup>7+</sup> | number | Yes | No | Failure to download the file because it already exists. |
+| ERROR_FILE_ERROR<sup>7+</sup> | number | Yes | No | File operation failure. |
+| ERROR_HTTP_DATA_ERROR<sup>7+</sup> | number | Yes | No | HTTP transmission failure. |
+| ERROR_INSUFFICIENT_SPACE<sup>7+</sup> | number | Yes | No | Insufficient storage space. |
+| ERROR_TOO_MANY_REDIRECTS<sup>7+</sup> | number | Yes | No | Error caused by too many network redirections. |
+| ERROR_UNHANDLED_HTTP_CODE<sup>7+</sup> | number | Yes | No | Unidentified HTTP code. |
+| ERROR_UNKNOWN<sup>7+</sup> | number | Yes | No | Unknown error. |
+| PAUSED_QUEUED_FOR_WIFI<sup>7+</sup> | number | Yes | No | Download paused and queuing for WLAN connection, because the file size exceeds the maximum value allowed by a cellular network session. |
+| PAUSED_UNKNOWN<sup>7+</sup> | number | Yes | No | Download paused due to unknown reasons. |
+| PAUSED_WAITING_FOR_NETWORK<sup>7+</sup> | number | Yes | No | Download paused due to a network connection problem, for example, network disconnection. |
+| PAUSED_WAITING_TO_RETRY<sup>7+</sup> | number | Yes | No | Download paused and then retried. |
+| SESSION_FAILED<sup>7+</sup> | number | Yes | No | Download failure without retry. |
+| SESSION_PAUSED<sup>7+</sup> | number | Yes | No | Download paused. |
+| SESSION_PENDING<sup>7+</sup> | number | Yes | No | Download pending. |
+| SESSION_RUNNING<sup>7+</sup> | number | Yes | No | Download in progress. |
+| SESSION_SUCCESSFUL<sup>7+</sup> | number | Yes | No | Successful download. |
 
 
 ## request.upload
 
 upload(config: UploadConfig): Promise&lt;UploadTask&gt;
 
-Uploads files. This method uses a promise to return the result.
+Uploads files. This API uses a promise to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Upload
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | config | [UploadConfig](#uploadconfig) | Yes | Configurations&nbsp;of&nbsp;the&nbsp;upload. |
+**Parameters**
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;[UploadTask](#uploadtask)&gt; | Promise&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;**UploadTask**&nbsp;object. |
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| config | [UploadConfig](#uploadconfig) | Yes | Configurations of the upload. |
 
-- Example
-  
-  ```
-  request.upload({ url: 'https://patch' }).then((data) => {
-      uploadTask = data;
-  }).catch((err) => {
-      console.error('Failed to request the upload. Cause: ' + JSON.stringify(err));
-  })
+**Return value**
+
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;[UploadTask](#uploadtask)&gt; | Promise used to return the **UploadTask** object. |
+
+**Example**
+
+  ```js
+request.upload({ url: 'https://patch' }).then((data) => {
+    uploadTask = data;
+}).catch((err) => {
+    console.error('Failed to request the upload. Cause: ' + JSON.stringify(err));
+})
   ```
 
 
@@ -94,28 +96,29 @@ Uploads files. This method uses a promise to return the result.
 
 upload(config: UploadConfig, callback: AsyncCallback&lt;UploadTask&gt;): void
 
-Uploads files. This method uses an asynchronous callback to return the result.
+Uploads files. This API uses an asynchronous callback to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Upload
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | config | [UploadConfig](#uploadconfig) | Yes | Configurations&nbsp;of&nbsp;the&nbsp;upload. |
-  | callback | AsyncCallback&lt;[UploadTask](#uploadtask)&gt; | No | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;**UploadTask**&nbsp;object. |
+**Parameters**
 
-- Example
-  
-  ```
-  request.upload({ url: 'https://patch' }, (err, data) => {
-      if (err) {
-          console.error('Failed to request the upload. Cause: ' + JSON.stringify(err));
-          return;
-      }
-      uploadTask = data;
-  });
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| config | [UploadConfig](#uploadconfig) | Yes | Configurations of the upload. |
+| callback | AsyncCallback&lt;[UploadTask](#uploadtask)&gt; | No | Callback used to return the **UploadTask** object. |
+
+**Example**
+
+  ```js
+request.upload({ url: 'https://patch' }, (err, data) => {
+    if (err) {
+        console.error('Failed to request the upload. Cause: ' + JSON.stringify(err));
+        return;
+    }
+    uploadTask = data;
+});
   ```
 
 
@@ -128,32 +131,33 @@ Implements file uploads. Before using a method of this class, you must obtain an
 
 on(type: 'progress', callback:(uploadedSize: number, totalSize: number) =&gt; void): void
 
-Subscribes to the upload progress event. This method uses an asynchronous callback to return the result.
+Subscribes to the upload progress event. This API uses an asynchronous callback to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Upload
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | type | string | Yes | Type&nbsp;of&nbsp;the&nbsp;event&nbsp;to&nbsp;subscribe&nbsp;to.&nbsp;The&nbsp;value&nbsp;is&nbsp;**progress**&nbsp;(upload&nbsp;progress). |
-  | callback | function | Yes | Callback&nbsp;for&nbsp;the&nbsp;upload&nbsp;progress&nbsp;event. |
+**Parameters**
 
-  Parameters of the callback function
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| type | string | Yes | Type of the event to subscribe to. The value is **progress** (upload progress). |
+| callback | function | Yes | Callback for the upload progress event. |
 
-  | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | uploadedSize | number | Yes | Size&nbsp;of&nbsp;the&nbsp;uploaded&nbsp;files,&nbsp;in&nbsp;KB. |
-  | totalSize | number | Yes | Total&nbsp;size&nbsp;of&nbsp;the&nbsp;files&nbsp;to&nbsp;upload,&nbsp;in&nbsp;KB. |
+Parameters of the callback function
 
-- Example
-  
-  ```
-  uploadTask.on('progress', function callback(uploadedSize, totalSize) {
-      console.info("upload totalSize:" + totalSize + "  uploadedSize:" + uploadedSize);
-  }
-  );
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| uploadedSize | number | Yes | Size of the uploaded files, in KB. |
+| totalSize | number | Yes | Total size of the files to upload, in KB. |
+
+**Example**
+
+  ```js
+uploadTask.on('progress', function callback(uploadedSize, totalSize) {
+    console.info("upload totalSize:" + totalSize + "  uploadedSize:" + uploadedSize);
+}
+);
   ```
 
 
@@ -161,31 +165,32 @@ Subscribes to the upload progress event. This method uses an asynchronous callba
 
 on(type: 'headerReceive', callback:  (header: object) =&gt; void): void
 
-Subscribes to the **headerReceive** event, which is triggered when an HTTP response header is received. This method uses an asynchronous callback to return the result.
+Subscribes to the **headerReceive** event, which is triggered when an HTTP response header is received. This API uses an asynchronous callback to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Upload
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | type | string | Yes | Type&nbsp;of&nbsp;the&nbsp;event&nbsp;to&nbsp;subscribe&nbsp;to.&nbsp;The&nbsp;value&nbsp;is&nbsp;**headerReceive**&nbsp;(response&nbsp;header). |
-  | callback | function | Yes | Callback&nbsp;for&nbsp;the&nbsp;HTTP&nbsp;Response&nbsp;Header&nbsp;event. |
+**Parameters**
 
-  Parameters of the callback function
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| type | string | Yes | Type of the event to subscribe to. The value is **headerReceive** (response header). |
+| callback | function | Yes | Callback for the HTTP Response Header event. |
 
-  | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | header | object | Yes | HTTP&nbsp;Response&nbsp;Header. |
+Parameters of the callback function
 
-- Example
-  
-  ```
-  uploadTask.on('headerReceive', function callback(headers){   
-      console.info("upOnHeader headers:" + JSON.stringify(headers));
-  }
-  );
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| header | object | Yes | HTTP Response Header. |
+
+**Example**
+
+  ```js
+uploadTask.on('headerReceive', function callback(headers){   
+    console.info("upOnHeader headers:" + JSON.stringify(headers));
+}
+);
   ```
 
 
@@ -193,32 +198,33 @@ Subscribes to the **headerReceive** event, which is triggered when an HTTP respo
 
 off(type:  'progress',  callback?: (uploadedSize: number, totalSize: number) =&gt;  void): void
 
-Unsubscribes from the upload progress event. This method uses an asynchronous callback to return the result.
+Unsubscribes from the upload progress event. This API uses an asynchronous callback to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Upload
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | type | string | Yes | Type&nbsp;of&nbsp;the&nbsp;event&nbsp;to&nbsp;unsubscribe&nbsp;from.&nbsp;The&nbsp;value&nbsp;is&nbsp;**progress**&nbsp;(upload&nbsp;progress). |
-  | callback | function | No | Callback&nbsp;for&nbsp;the&nbsp;upload&nbsp;progress&nbsp;event. |
+**Parameters**
 
-  Parameters of the callback function
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| type | string | Yes | Type of the event to unsubscribe from. The value is **progress** (upload progress). |
+| callback | function | No | Callback for the upload progress event. |
 
-  | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | uploadedSize | number | Yes | Size&nbsp;of&nbsp;the&nbsp;uploaded&nbsp;files,&nbsp;in&nbsp;KB. |
-  | totalSize | number | Yes | Total&nbsp;size&nbsp;of&nbsp;the&nbsp;files&nbsp;to&nbsp;upload,&nbsp;in&nbsp;KB. |
+Parameters of the callback function
 
-- Example
-  
-  ```
-  uploadTask.off('progress', function callback(uploadedSize, totalSize) {
-      console.info('uploadedSize: ' + uploadedSize, 'totalSize: ' + totalSize);
-  }
-  );
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| uploadedSize | number | Yes | Size of the uploaded files, in KB. |
+| totalSize | number | Yes | Total size of the files to upload, in KB. |
+
+**Example**
+
+  ```js
+uploadTask.off('progress', function callback(uploadedSize, totalSize) {
+    console.info('uploadedSize: ' + uploadedSize, 'totalSize: ' + totalSize);
+}
+);
   ```
 
 
@@ -226,31 +232,32 @@ Unsubscribes from the upload progress event. This method uses an asynchronous ca
 
 off(type: 'headerReceive', callback?: (header: object) =&gt; void): void
 
-Unsubscribes from the **headerReceive** event. This method uses an asynchronous callback to return the result.
+Unsubscribes from the **headerReceive** event. This API uses an asynchronous callback to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Upload
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | type | string | Yes | Type&nbsp;of&nbsp;the&nbsp;event&nbsp;to&nbsp;unsubscribe&nbsp;from.&nbsp;The&nbsp;value&nbsp;is&nbsp;**headerReceive**&nbsp;(response&nbsp;header). |
-  | callback | function | No | Callback&nbsp;for&nbsp;the&nbsp;HTTP&nbsp;Response&nbsp;Header&nbsp;event. |
+**Parameters**
 
-  Parameters of the callback function
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| type | string | Yes | Type of the event to unsubscribe from. The value is **headerReceive** (response header). |
+| callback | function | No | Callback for the HTTP Response Header event. |
 
-  | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | header | object | Yes | HTTP&nbsp;Response&nbsp;Header. |
+Parameters of the callback function
 
-- Example
-  
-  ```
-  uploadTask.off('headerReceive', function callback(headers) {
-      console.info("upOnHeader headers:" + JSON.stringify(headers));
-  }
-  );
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| header | object | Yes | HTTP Response Header. |
+
+**Example**
+
+  ```js
+uploadTask.off('headerReceive', function callback(headers) {
+    console.info("upOnHeader headers:" + JSON.stringify(headers));
+}
+);
   ```
 
 
@@ -258,29 +265,30 @@ Unsubscribes from the **headerReceive** event. This method uses an asynchronous
 
 remove(): Promise&lt;boolean&gt;
 
-Removes this upload task. This method uses a promise to return the result.
+Removes this upload task. This API uses a promise to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Upload
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;boolean&gt; | Promise&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;task&nbsp;removal&nbsp;result.&nbsp;If&nbsp;**true**&nbsp;is&nbsp;returned,&nbsp;the&nbsp;task&nbsp;is&nbsp;removed.&nbsp;If&nbsp;**false**&nbsp;is&nbsp;returned,&nbsp;the&nbsp;task&nbsp;fails&nbsp;to&nbsp;be&nbsp;removed. |
+**Return value**
 
-- Example
-  
-  ```
-  uploadTask.remove().then((result) => {
-      if (result) {
-          console.info('Upload task removed successfully. ');
-      } else {
-          console.error('Failed to remove the upload task. ');
-      }
-  }).catch((err) => {
-      console.error('Failed to remove the upload task. Cause: ' + JSON.stringify(err));
-  });
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;boolean&gt; | Promise used to return the task removal result. If **true** is returned, the task is removed. If **false** is returned, the task fails to be removed. |
+
+**Example**
+
+  ```js
+uploadTask.remove().then((result) => {
+    if (result) {
+        console.info('Upload task removed successfully. ');
+    } else {
+        console.error('Failed to remove the upload task. ');
+    }
+}).catch((err) => {
+    console.error('Failed to remove the upload task. Cause: ' + JSON.stringify(err));
+});
   ```
 
 
@@ -288,31 +296,32 @@ Removes this upload task. This method uses a promise to return the result.
 
 remove(callback: AsyncCallback&lt;boolean&gt;): void
 
-Removes this upload task. This method uses an asynchronous callback to return the result.
+Removes this upload task. This API uses an asynchronous callback to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Upload
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;boolean&gt; | Yes | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;result. |
+**Parameters**
 
-- Example
-  
-  ```
-  uploadTask.remove((err, result) => {
-      if (err) {
-          console.error('Failed to remove the upload task. Cause: ' + JSON.stringify(err));
-          return;
-      }
-      if (result) {
-          console.info('Upload task removed successfully.');
-      } else {
-          console.error('Failed to remove the upload task.');
-      }
-  });
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;boolean&gt; | Yes | Callback used to return the result. |
+
+**Example**
+
+  ```js
+uploadTask.remove((err, result) => {
+    if (err) {
+        console.error('Failed to remove the upload task. Cause: ' + JSON.stringify(err));
+        return;
+    }
+    if (result) {
+        console.info('Upload task removed successfully.');
+    } else {
+        console.error('Failed to remove the upload task.');
+    }
+});
   ```
 
 
@@ -322,11 +331,11 @@ Removes this upload task. This method uses an asynchronous callback to return th
 
 | Name | Type | Mandatory | Description |
 | -------- | -------- | -------- | -------- |
-| url | string | Yes | Resource&nbsp;URL. |
-| header | object | No | HTTP&nbsp;or&nbsp;HTTPS&nbsp;header&nbsp;added&nbsp;to&nbsp;an&nbsp;upload&nbsp;request. |
-| method | string | No | Request&nbsp;methods&nbsp;available:&nbsp;**POST**&nbsp;and&nbsp;**PUT**.&nbsp;The&nbsp;default&nbsp;value&nbsp;is&nbsp;**POST**. |
-| files | Array&lt;[File](#file)&gt; | Yes | List&nbsp;of&nbsp;files&nbsp;to&nbsp;upload,&nbsp;which&nbsp;is&nbsp;submitted&nbsp;through&nbsp;**multipart/form-data**. |
-| data | Array&lt;[RequestData](#requestdata)&gt; | No | Form&nbsp;data&nbsp;in&nbsp;the&nbsp;request&nbsp;body. |
+| url | string | Yes | Resource URL. |
+| header | object | No | HTTP or HTTPS header added to an upload request. |
+| method | string | No | Request methods available: **POST** and **PUT**. The default value is **POST**. |
+| files | Array&lt;[File](#file)&gt; | Yes | List of files to upload, which is submitted through **multipart/form-data**. |
+| data | Array&lt;[RequestData](#requestdata)&gt; | No | Form data in the request body. |
 
 
 ## File
@@ -335,10 +344,10 @@ Removes this upload task. This method uses an asynchronous callback to return th
 
 | Name | Type | Mandatory | Description |
 | -------- | -------- | -------- | -------- |
-| filename | string | No | File&nbsp;name&nbsp;in&nbsp;the&nbsp;header&nbsp;when&nbsp;**multipart**&nbsp;is&nbsp;used. |
-| name | string | No | Name&nbsp;of&nbsp;a&nbsp;form&nbsp;item&nbsp;when&nbsp;**multipart**&nbsp;is&nbsp;used.&nbsp;The&nbsp;default&nbsp;value&nbsp;is&nbsp;**file**. |
-| uri | string | Yes | Local&nbsp;path&nbsp;for&nbsp;storing&nbsp;files.<br/>The&nbsp;**dataability**&nbsp;and&nbsp;**internal**&nbsp;protocol&nbsp;types&nbsp;are&nbsp;supported.&nbsp;However,&nbsp;the&nbsp;**internal**&nbsp;protocol&nbsp;type&nbsp;supports&nbsp;only&nbsp;temporary&nbsp;directories.&nbsp;The&nbsp;following&nbsp;is&nbsp;an&nbsp;example:<br/>dataability:///com.domainname.dataability.persondata/person/10/file.txt<br/>internal://cache/path/to/file.txt |
-| type | string | No | Type&nbsp;of&nbsp;the&nbsp;file&nbsp;content.&nbsp;By&nbsp;default,&nbsp;the&nbsp;type&nbsp;is&nbsp;obtained&nbsp;based&nbsp;on&nbsp;the&nbsp;extension&nbsp;of&nbsp;the&nbsp;file&nbsp;name&nbsp;or&nbsp;URI. |
+| filename | string | No | File name in the header when **multipart** is used. |
+| name | string | No | Name of a form item when **multipart** is used. The default value is **file**. |
+| uri | string | Yes | Local path for storing files.<br/>The **dataability** and **internal** protocol types are supported. However, the **internal** protocol type supports only temporary directories. The following is an example:<br/>dataability:///com.domainname.dataability.persondata/person/10/file.txt<br/>internal://cache/path/to/file.txt |
+| type | string | No | Type of the file content. By default, the type is obtained based on the extension of the file name or URI. |
 
 
 ## RequestData
@@ -347,68 +356,71 @@ Removes this upload task. This method uses an asynchronous callback to return th
 
 | Name | Type | Mandatory | Description |
 | -------- | -------- | -------- | -------- |
-| name | string | Yes | Name&nbsp;of&nbsp;a&nbsp;form&nbsp;element. |
-| value | string | Yes | Value&nbsp;of&nbsp;a&nbsp;form&nbsp;element. |
+| name | string | Yes | Name of a form element. |
+| value | string | Yes | Value of a form element. |
 
 
 ## request.download
 
 download(config: DownloadConfig): Promise&lt;DownloadTask&gt;
 
-Downloads files. This method uses a promise to return the result.
+Downloads files. This API uses a promise to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Download
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | config | [DownloadConfig](#downloadconfig) | Yes | Configurations&nbsp;of&nbsp;the&nbsp;download. |
+**Parameters**
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;[DownloadTask](#downloadtask)&gt; | Promise&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;result. |
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| config | [DownloadConfig](#downloadconfig) | Yes | Configurations of the download. |
 
-- Example
-  
-  ```
-  request.download({ url: 'https://xxxx/xxxx.hap' }).then((data) => {
-      downloadTask = data;
-  }).catch((err) => {
-      console.error('Failed to request the download. Cause: ' + JSON.stringify(err));
-  })
-  ```
+**Return value**
+
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;[DownloadTask](#downloadtask)&gt; | Promise used to return the result. |
+
+**Example**
+
+```js
+request.download({ url: 'https://xxxx/xxxx.hap' }).then((data) => {
+    downloadTask = data;
+}).catch((err) => {
+    console.error('Failed to request the download. Cause: ' + JSON.stringify(err));
+})
+```
 
 
 ## request.download
 
 download(config: DownloadConfig, callback: AsyncCallback&lt;DownloadTask&gt;): void
 
-Downloads files. This method uses an asynchronous callback to return the result.
+Downloads files. This API uses an asynchronous callback to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Download
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | config | [DownloadConfig](#downloadconfig) | Yes | Configurations&nbsp;of&nbsp;the&nbsp;download. |
-  | callback | AsyncCallback&lt;[DownloadTask](#downloadtask)&gt; | No | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;result. |
+**Parameters**
 
-- Example
-  
-  ```
-  request.download({ url: 'https://xxxx/xxxxx.hap', 
-  filePath: 'xxx/xxxxx.hap'}, (err, data) => {
-      if (err) {
-          console.error('Failed to request the download. Cause: ' + JSON.stringify(err));
-          return;
-      }
-      downloadTask = data;
-  });
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| config | [DownloadConfig](#downloadconfig) | Yes | Configurations of the download. |
+| callback | AsyncCallback&lt;[DownloadTask](#downloadtask)&gt; | No | Callback used to return the result. |
+
+**Example**
+
+  ```js
+request.download({ url: 'https://xxxx/xxxxx.hap', 
+filePath: 'xxx/xxxxx.hap'}, (err, data) => {
+    if (err) {
+        console.error('Failed to request the download. Cause: ' + JSON.stringify(err));
+        return;
+    }
+    downloadTask = data;
+});
   ```
 
 
@@ -421,28 +433,29 @@ Implements file downloads.
 
 on(type: 'progress', callback:(receivedSize: number, totalSize: number) =&gt; void): void
 
-Subscribes to the download progress event. This method uses an asynchronous callback to return the result.
+Subscribes to the download progress event. This API uses an asynchronous callback to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Download
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | type | string | Yes | Type&nbsp;of&nbsp;the&nbsp;event&nbsp;to&nbsp;subscribe&nbsp;to.&nbsp;The&nbsp;value&nbsp;is&nbsp;**progress**&nbsp;(download&nbsp;progress). |
-  | callback | function | Yes | Callback&nbsp;for&nbsp;the&nbsp;download&nbsp;progress&nbsp;event. |
+**Parameters**
+
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| type | string | Yes | Type of the event to subscribe to. The value is **progress** (download progress). |
+| callback | function | Yes | Callback for the download progress event. |
 
-  Parameters of the callback function
+Parameters of the callback function
 
-  | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | receivedSize | number | Yes | Size&nbsp;of&nbsp;the&nbsp;downloaded&nbsp;files,&nbsp;in&nbsp;KB. |
-  | totalSize | number | Yes | Total&nbsp;size&nbsp;of&nbsp;the&nbsp;files&nbsp;to&nbsp;download,&nbsp;in&nbsp;KB. |
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| receivedSize | number | Yes | Size of the downloaded files, in KB. |
+| totalSize | number | Yes | Total size of the files to download, in KB. |
 
-- Example
-  
-  ```
+**Example**
+
+  ```js
   request.download({ url: 'https://xxxx/xxxx.hap' }, (err, data)=> {    
       if (err) {        
           console.error('Failed to request download. Cause:' + err);
@@ -461,39 +474,40 @@ Subscribes to the download progress event. This method uses an asynchronous call
 
 off(type: 'progress', callback?: (receivedSize: number, totalSize: number) =&gt; void): void
 
-Unsubscribes from the download progress event. This method uses an asynchronous callback to return the result.
+Unsubscribes from the download progress event. This API uses an asynchronous callback to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Download
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | type | string | Yes | Type&nbsp;of&nbsp;the&nbsp;event&nbsp;to&nbsp;unsubscribe&nbsp;from.&nbsp;The&nbsp;value&nbsp;is&nbsp;**progress**&nbsp;(download&nbsp;progress). |
-  | callback | function | No | Callback&nbsp;for&nbsp;the&nbsp;download&nbsp;progress&nbsp;event. |
+**Parameters**
 
-  Parameters of the callback function
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| type | string | Yes | Type of the event to unsubscribe from. The value is **progress** (download progress). |
+| callback | function | No | Callback for the download progress event. |
 
-  | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | receivedSize | number | Yes | Size&nbsp;of&nbsp;the&nbsp;downloaded&nbsp;files,&nbsp;in&nbsp;KB. |
-  | totalSize | number | Yes | Total&nbsp;size&nbsp;of&nbsp;the&nbsp;files&nbsp;to&nbsp;download,&nbsp;in&nbsp;KB. |
+Parameters of the callback function
 
-- Example
-  
-  ```
-  request.download({ url: 'https://xxxx/xxxx.hap' }, (err, data)=> {    
-      if (err) {        
-          console.error('Failed to request download. Cause:' + err);
-          return;
-      }
-      downloadTask = data;    
-      downloadTask .off('progress', function download_callback(receivedSize, totalSize) {
-          console.info("download receivedSize:" + receivedSize + " totalSize:" + totalSize);
-      }
-  );
-  });
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| receivedSize | number | Yes | Size of the downloaded files, in KB. |
+| totalSize | number | Yes | Total size of the files to download, in KB. |
+
+**Example**
+
+  ```js
+request.download({ url: 'https://xxxx/xxxx.hap' }, (err, data)=> {    
+    if (err) {        
+        console.error('Failed to request download. Cause:' + err);
+        return;
+    }
+    downloadTask = data;    
+    downloadTask .off('progress', function download_callback(receivedSize, totalSize) {
+        console.info("download receivedSize:" + receivedSize + " totalSize:" + totalSize);
+    }
+);
+});
   ```
 
 
@@ -501,32 +515,33 @@ Unsubscribes from the download progress event. This method uses an asynchronous
 
 on(type: 'complete'|'pause'|'remove', callback:() =&gt; void): void
 
-Subscribes to a download event. This method uses an asynchronous callback to return the result.
+Subscribes to a download event. This API uses an asynchronous callback to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Download
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | type | string | Yes | Event&nbsp;type.<br/>-&nbsp;**complete**:&nbsp;download&nbsp;task&nbsp;completion&nbsp;event.<br/>-&nbsp;**pause**:&nbsp;download&nbsp;task&nbsp;pause&nbsp;event.<br/>-&nbsp;**remove**:&nbsp;download&nbsp;task&nbsp;removal&nbsp;event. |
-  | callback | function | Yes | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;result. |
+**Parameters**
 
-- Example
-  
-  ```
-  request.download({ url: 'https://xxxx/xxxx.hap' }, (err, data)=> {    
-      if (err) {        
-          console.error('Failed to request download. Cause:' + err);
-          return;   
-      }    
-      downloadTask= data;    
-      downloadTask.on('complete', function callback() {
-          console.info('Download task completed.');
-      }
-  );
-  });
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| type | string | Yes | Event type.<br/>- **complete**: download task completion event.<br/>- **pause**: download task pause event.<br/>- **remove**: download task removal event. |
+| callback | function | Yes | Callback used to return the result. |
+
+**Example**
+
+  ```js
+request.download({ url: 'https://xxxx/xxxx.hap' }, (err, data)=> {    
+    if (err) {        
+        console.error('Failed to request download. Cause:' + err);
+        return;   
+    }    
+    downloadTask= data;    
+    downloadTask.on('complete', function callback() {
+        console.info('Download task completed.');
+    }
+);
+});
   ```
 
 
@@ -534,32 +549,33 @@ Subscribes to a download event. This method uses an asynchronous callback to ret
 
 off(type: 'complete'|'pause'|'remove', callback?:() =&gt; void): void
 
-Unsubscribes from the download event. This method uses an asynchronous callback to return the result.
+Unsubscribes from the download event. This API uses an asynchronous callback to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Download
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | type | string | Yes | Event&nbsp;type.<br/>-&nbsp;**complete**:&nbsp;download&nbsp;task&nbsp;completion&nbsp;event.<br/>-&nbsp;**pause**:&nbsp;download&nbsp;task&nbsp;pause&nbsp;event.<br/>-&nbsp;**remove**:&nbsp;download&nbsp;task&nbsp;removal&nbsp;event. |
-  | callback | function | No | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;result. |
+**Parameters**
 
-- Example
-  
-  ```
-  request.download({ url: 'https://xxxx/xxxx.hap' }, (err, data)=> {    
-      if (err) {        
-          console.error('Failed to request download. Cause:' + JSON.stringify(err));
-          return;
-     }    
-      downloadTask = data;
-      downloadTask.off('complete', function callback() {
-          console.info('Download task completed.');
-      }
-  );
-  }); 
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| type | string | Yes | Event type.<br/>- **complete**: download task completion event.<br/>- **pause**: download task pause event.<br/>- **remove**: download task removal event. |
+| callback | function | No | Callback used to return the result. |
+
+**Example**
+
+  ```js
+request.download({ url: 'https://xxxx/xxxx.hap' }, (err, data)=> {    
+    if (err) {        
+        console.error('Failed to request download. Cause:' + JSON.stringify(err));
+        return;
+   }    
+    downloadTask = data;
+    downloadTask.off('complete', function callback() {
+        console.info('Download task completed.');
+    }
+);
+}); 
   ```
 
 
@@ -567,38 +583,39 @@ Unsubscribes from the download event. This method uses an asynchronous callback
 
 on(type: 'fail', callback: (err: number) =&gt; void): void
 
-Subscribes to the download task failure event. This method uses an asynchronous callback to return the result.
+Subscribes to the download task failure event. This API uses an asynchronous callback to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Download
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | type | string | Yes | Type&nbsp;of&nbsp;the&nbsp;subscribed&nbsp;event.&nbsp;The&nbsp;value&nbsp;is&nbsp;**fail**&nbsp;(download&nbsp;failure). |
-  | callback | function | Yes | Callback&nbsp;for&nbsp;the&nbsp;download&nbsp;task&nbsp;failure&nbsp;event. |
+**Parameters**
 
-  Parameters of the callback function
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| type | string | Yes | Type of the subscribed event. The value is **fail** (download failure). |
+| callback | function | Yes | Callback for the download task failure event. |
 
-  | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | err | number | Yes | Error&nbsp;code&nbsp;of&nbsp;the&nbsp;download&nbsp;failure.&nbsp;For&nbsp;details&nbsp;about&nbsp;the&nbsp;error&nbsp;cause,&nbsp;see&nbsp;[ERROR_*](#constants). |
+Parameters of the callback function
 
-- Example
-  
-  ```
-  request.download({ url: 'https://xxxx/xxxx.hap' }, (err, data)=> {    
-      if (err) {        
-          console.error('Failed to request download. Cause:' + err);
-          return;
-      }    
-      downloadTask = data;    
-      downloadTask.on('fail', function callBack(err) {
-          console.info('Download task failed. Cause:' + err);
-      }
-  );
-  });
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| err | number | Yes | Error code of the download failure. For details about the error cause, see [ERROR_*](#constants). |
+
+**Example**
+
+  ```js
+request.download({ url: 'https://xxxx/xxxx.hap' }, (err, data)=> {    
+    if (err) {        
+        console.error('Failed to request download. Cause:' + err);
+        return;
+    }    
+    downloadTask = data;    
+    downloadTask.on('fail', function callBack(err) {
+        console.info('Download task failed. Cause:' + err);
+    }
+);
+});
   ```
 
 
@@ -606,27 +623,28 @@ Subscribes to the download task failure event. This method uses an asynchronous
 
 off(type: 'fail', callback?: (err: number) =&gt; void): void
 
-Unsubscribes from the download task failure event. This method uses an asynchronous callback to return the result.
+Unsubscribes from the download task failure event. This API uses an asynchronous callback to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Download
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | type | string | Yes | Type&nbsp;of&nbsp;the&nbsp;event&nbsp;to&nbsp;unsubscribe&nbsp;from.&nbsp;The&nbsp;value&nbsp;is&nbsp;**fail**&nbsp;(download&nbsp;failure). |
-  | callback | function | No | Callback&nbsp;for&nbsp;the&nbsp;download&nbsp;task&nbsp;failure&nbsp;event. |
+**Parameters**
+
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| type | string | Yes | Type of the event to unsubscribe from. The value is **fail** (download failure). |
+| callback | function | No | Callback for the download task failure event. |
 
-  Parameters of the callback function
+Parameters of the callback function
 
-  | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | err | number | Yes | Error&nbsp;code&nbsp;of&nbsp;the&nbsp;download&nbsp;failure.&nbsp;For&nbsp;details&nbsp;about&nbsp;the&nbsp;error&nbsp;cause,&nbsp;see&nbsp;[ERROR_*](#constants). |
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| err | number | Yes | Error code of the download failure. For details about the error cause, see [ERROR_*](#constants). |
 
-- Example
-  
-  ```
+**Example**
+
+  ```js
   request.download({ url: 'https://xxxx/xxxx.hap' }, (err, data)=> {    
       if (err) {        
           console.error('Failed to request download. Cause:' + err);
@@ -645,20 +663,21 @@ Unsubscribes from the download task failure event. This method uses an asynchron
 
 remove(): Promise&lt;boolean&gt;
 
-Removes this download task. This method uses a promise to return the result.
+Removes this download task. This API uses a promise to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Download
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;boolean&gt; | Promise&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;task&nbsp;removal&nbsp;result. |
+**Return value**
 
-- Example
-  
-  ```
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;boolean&gt; | Promise used to return the task removal result. |
+
+**Example**
+
+  ```js
   downloadTask.remove().then((result) => {
       if (result) {
           console.info('Download task removed.');
@@ -675,31 +694,32 @@ Removes this download task. This method uses a promise to return the result.
 
 remove(callback: AsyncCallback&lt;boolean&gt;): void
 
-Removes this download task. This method uses an asynchronous callback to return the result.
+Removes this download task. This API uses an asynchronous callback to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Download
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;boolean&gt; | Yes | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;task&nbsp;removal&nbsp;result. |
+**Parameters**
 
-- Example
-  
-  ```
-  downloadTask.remove((err, result)=>{
-      if(err) {
-          console.error('Failed to remove the download task.');
-          return;
-      } 
-      if (result) {
-          console.info('Download task removed.');
-      } else {
-          console.error('Failed to remove the download task.');
-      } 
-  });
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;boolean&gt; | Yes | Callback used to return the task removal result. |
+
+**Example**
+
+  ```js
+downloadTask.remove((err, result)=>{
+    if(err) {
+        console.error('Failed to remove the download task.');
+        return;
+    } 
+    if (result) {
+        console.info('Download task removed.');
+    } else {
+        console.error('Failed to remove the download task.');
+    } 
+});
   ```
 
 
@@ -707,25 +727,26 @@ Removes this download task. This method uses an asynchronous callback to return
 
 query(): Promise&lt;DownloadInfo&gt;
 
-Queries this download task. This method uses a promise to return the result.
+Queries this download task. This API uses a promise to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Download
 
-- Parameters
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;[DownloadInfo](#downloadinfo7)&gt; | Promise&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;download&nbsp;task&nbsp;information. |
+**Parameters**
 
-- Example
-  
-  ```
-  downloadTask.query().then((downloadInfo) => {    
-      console.info('Download task queried. Data:' + JSON.stringify(downloadInfo))
-  }) .catch((err) => {
-      console.error('Failed to query the download task. Cause:' + err)
-  });
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;[DownloadInfo](#downloadinfo7)&gt; | Promise used to return the download task information. |
+
+**Example**
+
+  ```js
+downloadTask.query().then((downloadInfo) => {    
+    console.info('Download task queried. Data:' + JSON.stringify(downloadInfo))
+}) .catch((err) => {
+    console.error('Failed to query the download task. Cause:' + err)
+});
   ```
 
 
@@ -733,27 +754,28 @@ Queries this download task. This method uses a promise to return the result.
 
 query(callback: AsyncCallback&lt;DownloadInfo&gt;): void
 
-Queries this download task. This method uses an asynchronous callback to return the result.
+Queries this download task. This API uses an asynchronous callback to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Download
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;[DownloadInfo](#downloadinfo7)&gt; | Yes | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;download&nbsp;task&nbsp;information. |
+**Parameters**
 
-- Example
-  
-  ```
-  downloadTask.query((err, downloadInfo)=>{
-      if(err) {
-          console.error('Failed to query the download mimeType. Cause:' + JSON.stringify(err));
-      } else {
-          console.info('download query success. data:'+ JSON.stringify(downloadInfo));
-      }
-  });
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;[DownloadInfo](#downloadinfo7)&gt; | Yes | Callback used to return the download task information. |
+
+**Example**
+
+  ```js
+downloadTask.query((err, downloadInfo)=>{
+    if(err) {
+        console.error('Failed to query the download mimeType. Cause:' + JSON.stringify(err));
+    } else {
+        console.info('download query success. data:'+ JSON.stringify(downloadInfo));
+    }
+});
   ```
 
 
@@ -761,25 +783,26 @@ Queries this download task. This method uses an asynchronous callback to return
 
 queryMimeType(): Promise&lt;string&gt;
 
-Queries **MimeType** of this download task. This method uses a promise to return the result.
+Queries **MimeType** of this download task. This API uses a promise to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Download
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;string&gt; | Promise&nbsp;used&nbsp;to&nbsp;return&nbsp;**MimeType**&nbsp;of&nbsp;the&nbsp;download&nbsp;task. |
+**Return value**
 
-- Example
-  
-  ```
-  downloadTask.queryMimeType().then((data) => {    
-      console.info('Download task queried. Data:' + JSON.stringify(data));
-  }).catch((err) => {
-      console.error('Failed to query the download MimeType. Cause:' + JSON.stringify(err))
-  });
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;string&gt; | Promise used to return **MimeType** of the download task. |
+
+**Example**
+
+  ```js
+downloadTask.queryMimeType().then((data) => {    
+    console.info('Download task queried. Data:' + JSON.stringify(data));
+}).catch((err) => {
+    console.error('Failed to query the download MimeType. Cause:' + JSON.stringify(err))
+});
   ```
 
 
@@ -787,27 +810,28 @@ Queries **MimeType** of this download task. This method uses a promise to return
 
 queryMimeType(callback: AsyncCallback&lt;string&gt;): void;
 
-Queries **MimeType** of this download task. This method uses an asynchronous callback to return the result.
+Queries **MimeType** of this download task. This API uses an asynchronous callback to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Download
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;string&gt; | Yes | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;**MimeType**&nbsp;of&nbsp;the&nbsp;download&nbsp;task. |
+**Parameters**
 
-- Example
-  
-  ```
-  downloadTask.queryMimeType((err, data)=>{
-      if(err) {
-          console.error('Failed to query the download mimeType. Cause:' + JSON.stringify(err));
-      } else {
-          console.info('Download task queried. data:' + JSON.stringify(data));
-      }
-  });
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;string&gt; | Yes | Callback used to return **MimeType** of the download task. |
+
+**Example**
+
+  ```js
+downloadTask.queryMimeType((err, data)=>{
+    if(err) {
+        console.error('Failed to query the download mimeType. Cause:' + JSON.stringify(err));
+    } else {
+        console.info('Download task queried. data:' + JSON.stringify(data));
+    }
+});
   ```
 
 
@@ -815,29 +839,30 @@ Queries **MimeType** of this download task. This method uses an asynchronous cal
 
 pause(): Promise&lt;void&gt;
 
-Pauses this download task. This method uses a promise to return the result.
+Pauses this download task. This API uses a promise to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Download
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;void&gt; | Promise&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;download&nbsp;task&nbsp;pause&nbsp;result. |
+**Return value**
 
-- Example
-  
-  ```
-  downloadTask.pause().then((result) => {    
-      if (result) {
-           console.info('Download task paused. ');
-      } else {
-          console.error('Failed to pause the download task. Cause:' + JSON.stringify(result));
-      }
-  }).catch((err) => {
-      console.error('Failed to pause the download task. Cause:' + JSON.stringify(err));
-  });
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;void&gt; | Promise used to return the download task pause result. |
+
+**Example**
+
+  ```js
+downloadTask.pause().then((result) => {    
+    if (result) {
+         console.info('Download task paused. ');
+    } else {
+        console.error('Failed to pause the download task. Cause:' + JSON.stringify(result));
+    }
+}).catch((err) => {
+    console.error('Failed to pause the download task. Cause:' + JSON.stringify(err));
+});
   ```
 
 
@@ -845,31 +870,32 @@ Pauses this download task. This method uses a promise to return the result.
 
 pause(callback: AsyncCallback&lt;void&gt;): void
 
-Pauses this download task. This method uses an asynchronous callback to return the result.
+Pauses this download task. This API uses an asynchronous callback to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Download
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;void&gt; | Yes | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;result. |
+**Parameters**
 
-- Example
-  
-  ```
-  downloadTask.pause((err, result)=>{
-      if(err) {
-          console.error('Failed to pause the download task. Cause:' + JSON.stringify(err));
-          return;
-      }
-      if (result) {
-           console.info('Download task paused. ');
-      } else {
-          console.error('Failed to pause the download task. Cause:' + JSON.stringify(result));
-      }
-  });
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;void&gt; | Yes | Callback used to return the result. |
+
+**Example**
+
+  ```js
+downloadTask.pause((err, result)=>{
+    if(err) {
+        console.error('Failed to pause the download task. Cause:' + JSON.stringify(err));
+        return;
+    }
+    if (result) {
+         console.info('Download task paused. ');
+    } else {
+        console.error('Failed to pause the download task. Cause:' + JSON.stringify(result));
+    }
+});
   ```
 
 
@@ -877,30 +903,31 @@ Pauses this download task. This method uses an asynchronous callback to return t
 
 resume(): Promise&lt;void&gt;
 
-Resumes this download task. This method uses a promise to return the result.
+Resumes this download task. This API uses a promise to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Download
 
-- Parameters
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;void&gt; | Promise&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;result. |
+**Parameters**
 
-- Example
-  
-  ```
-  downloadTask.resume().then((result) => {
-      if (result) {
-          console.info('Download task resumed.')
-      } else {
-          console.error('Failed to resume the download task. ');
-      }
-      console.info('Download task resumed.')
-  }).catch((err) => {
-      console.error('Failed to resume the download task. Cause:' + err);
-  });
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;void&gt; | Promise used to return the result. |
+
+**Example**
+
+  ```js
+downloadTask.resume().then((result) => {
+    if (result) {
+        console.info('Download task resumed.')
+    } else {
+        console.error('Failed to resume the download task. ');
+    }
+    console.info('Download task resumed.')
+}).catch((err) => {
+    console.error('Failed to resume the download task. Cause:' + err);
+});
   ```
 
 
@@ -908,31 +935,32 @@ Resumes this download task. This method uses a promise to return the result.
 
 resume(callback: AsyncCallback&lt;void&gt;): void
 
-Resumes this download task. This method uses an asynchronous callback to return the result.
+Resumes this download task. This API uses an asynchronous callback to return the result.
 
 **Required permission**: ohos.permission.INTERNET
 
 **System capability**: SystemCapability.MiscServices.Download
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;void&gt; | Yes | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;result. |
+**Parameters**
 
-- Example
-  
-  ```
-  downloadTask.resume((err, result)=>{
-      if (err) {
-          console.error('Failed to resume the download task. Cause:' + err);
-          return;
-      } 
-      if (result) {
-          console.info('Download task resumed.');
-      } else {
-          console.error('Failed to resume the download task.');
-      }
-  });
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;void&gt; | Yes | Callback used to return the result. |
+
+**Example**
+
+  ```js
+downloadTask.resume((err, result)=>{
+    if (err) {
+        console.error('Failed to resume the download task. Cause:' + err);
+        return;
+    } 
+    if (result) {
+        console.info('Download task resumed.');
+    } else {
+        console.error('Failed to resume the download task.');
+    }
+});
   ```
 
 
@@ -942,14 +970,14 @@ Resumes this download task. This method uses an asynchronous callback to return
 
 | Name | Type | Mandatory | Description |
 | -------- | -------- | -------- | -------- |
-| url | string | Yes | Resource&nbsp;URL. |
-| header | object | No | HTTP&nbsp;or&nbsp;HTTPS&nbsp;header&nbsp;added&nbsp;to&nbsp;a&nbsp;download&nbsp;request. |
-| enableMetered | boolean | No | Download&nbsp;allowed&nbsp;in&nbsp;metered&nbsp;connections. |
-| enableRoaming | boolean | No | Download&nbsp;allowed&nbsp;on&nbsp;a&nbsp;roaming&nbsp;network. |
-| description | string | No | Description&nbsp;of&nbsp;the&nbsp;download&nbsp;session. |
-| filePath<sup>7+</sup> | string | No | Download&nbsp;path.&nbsp;(The&nbsp;default&nbsp;path&nbsp;is&nbsp;[ERROR:Invalid&nbsp;link:en-us_topic_0000001135742582.xml#xref8132147102215,link:en-us_topic_0000001127125012.xml#section1856519365229](en-us_topic_0000001127125012.xml#section1856519365229)).<br/>-&nbsp;filePath:'workspace/test.txt':&nbsp;The&nbsp;**workspace**&nbsp;directory&nbsp;is&nbsp;created&nbsp;in&nbsp;the&nbsp;default&nbsp;path&nbsp;to&nbsp;store&nbsp;files.<br/>-&nbsp;filePath:'test.txt':&nbsp;Files&nbsp;are&nbsp;stored&nbsp;in&nbsp;the&nbsp;default&nbsp;path.<br/>-&nbsp;filePath:'workspace/':&nbsp;The&nbsp;**workspace**&nbsp;directory&nbsp;is&nbsp;created&nbsp;in&nbsp;the&nbsp;default&nbsp;path&nbsp;to&nbsp;store&nbsp;files. |
-| networkType | number | No | Network&nbsp;type&nbsp;allowed&nbsp;for&nbsp;download. |
-| title | string | No | Title&nbsp;of&nbsp;the&nbsp;download&nbsp;session. |
+| url | string | Yes | Resource URL. |
+| header | object | No | HTTP or HTTPS header added to a download request. |
+| enableMetered | boolean | No | Download allowed in metered connections. |
+| enableRoaming | boolean | No | Download allowed on a roaming network. |
+| description | string | No | Description of the download session. |
+| filePath<sup>7+</sup> | string | No | Download path. (The default path is [ERROR:Invalid link:en-us_topic_0000001135742582.xml#xref8132147102215,link:en-us_topic_0000001127125012.xml#section1856519365229](en-us_topic_0000001127125012.xml#section1856519365229)).<br/>- filePath:'workspace/test.txt': The **workspace** directory is created in the default path to store files.<br/>- filePath:'test.txt': Files are stored in the default path.<br/>- filePath:'workspace/': The **workspace** directory is created in the default path to store files. |
+| networkType | number | No | Network type allowed for download. |
+| title | string | No | Title of the download session. |
 
 
 ## DownloadInfo<sup>7+</sup>
@@ -958,14 +986,14 @@ Resumes this download task. This method uses an asynchronous callback to return
 
 | Name | Type | Mandatory | Description |
 | -------- | -------- | -------- | -------- |
-| downloadId | number | Yes | ID&nbsp;of&nbsp;the&nbsp;downloaded&nbsp;file. |
-| failedReason | number | No | Download&nbsp;failure&nbsp;cause,&nbsp;which&nbsp;can&nbsp;be&nbsp;any&nbsp;constant&nbsp;of&nbsp;[ERROR_*](#constants). |
-| fileName | string | Yes | Name&nbsp;of&nbsp;the&nbsp;downloaded&nbsp;file. |
-| filePath | string | Yes | URI&nbsp;of&nbsp;the&nbsp;saved&nbsp;file. |
-| pausedReason | number | No | Reason&nbsp;for&nbsp;session&nbsp;pause,&nbsp;which&nbsp;can&nbsp;be&nbsp;any&nbsp;constant&nbsp;of&nbsp;[PAUSED_*](#constants). |
-| status | number | Yes | Download&nbsp;status&nbsp;code,&nbsp;which&nbsp;can&nbsp;be&nbsp;any&nbsp;constant&nbsp;of&nbsp;[SESSION_*](#constants). |
-| targetURI | string | Yes | URI&nbsp;of&nbsp;the&nbsp;downloaded&nbsp;file. |
-| downloadTitle | string | Yes | Title&nbsp;of&nbsp;the&nbsp;downloaded&nbsp;file. |
-| downloadTotalBytes | number | Yes | Total&nbsp;size&nbsp;of&nbsp;the&nbsp;downloaded&nbsp;file&nbsp;(int&nbsp;bytes). |
-| description | string | Yes | Description&nbsp;of&nbsp;the&nbsp;file&nbsp;to&nbsp;download. |
-| downloadedBytes | number | Yes | Size&nbsp;of&nbsp;the&nbsp;files&nbsp;downloaded&nbsp;(int&nbsp;bytes). |
+| downloadId | number | Yes | ID of the downloaded file. |
+| failedReason | number | No | Download failure cause, which can be any constant of [ERROR_*](#constants). |
+| fileName | string | Yes | Name of the downloaded file. |
+| filePath | string | Yes | URI of the saved file. |
+| pausedReason | number | No | Reason for session pause, which can be any constant of [PAUSED_*](#constants). |
+| status | number | Yes | Download status code, which can be any constant of [SESSION_*](#constants). |
+| targetURI | string | Yes | URI of the downloaded file. |
+| downloadTitle | string | Yes | Title of the downloaded file. |
+| downloadTotalBytes | number | Yes | Total size of the downloaded file (int bytes). |
+| description | string | Yes | Description of the file to download. |
+| downloadedBytes | number | Yes | Size of the files downloaded (int bytes). |

en/application-dev/reference/apis/js-apis-system-time.md

 # Setting the System Time
 
-> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**
-> The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version.
+> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**<br>The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version.
+>
 
 
 ## Modules to Import
 
-  
+
 ```
 import systemTime from '@ohos.systemTime';
 ```
@@ -22,16 +22,17 @@ Sets the system time. This API uses an asynchronous callback to return the resul
 
 **System capability**: SystemCapability.MiscServices.Time
 
-- **Parameters**
-    | Name| Type| Mandatory| Description| 
-  | -------- | -------- | -------- | -------- |
-  | time | number | Yes| Timestamp to set, in milliseconds.| 
-  | callback | AsyncCallback&lt;void&gt; | Yes| Callback used to process the received return value.| 
+**Parameters**
 
-- Example
-    
-  ```
-  // Set the system time to 2021-01-20 02:36:25.
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| time | number | Yes| Timestamp to set, in milliseconds.|
+| callback | AsyncCallback&lt;void&gt; | Yes| Callback used to process the received return value.|
+
+**Example**
+
+  ```js
+// Set the system time to 2021-01-20 02:36:25.
   var time = 1611081385000;
   systemTime.setTime(time, (error, data) => {
       if (error) {
@@ -53,26 +54,28 @@ Sets the system time. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.MiscServices.Time
 
-- **Parameters**
-    | Name| Type| Mandatory| Description| 
-  | -------- | -------- | -------- | -------- |
-  | time | number | Yes| Timestamp to set, in milliseconds.| 
+**Parameters**
 
-- Return value
-    | Type| Description| 
-  | -------- | -------- |
-  | Promise&lt;void&gt; | Promise used to return the result.| 
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| time | number | Yes| Timestamp to set, in milliseconds.|
 
-- Example
-    
-  ```
-  // Set the system time to 2021-01-20 02:36:25.
-  var time = 1611081385000;
-  systemTime.setTime(time).then((data) => {
-      console.log(`systemTime.setTime success data : ` + JSON.stringify(data));
-  }).catch((error) => {
-      console.error(`failed to systemTime.setTime because ` + JSON.stringify(error));
-  });
+**Return value**
+
+| Type| Description|
+| -------- | -------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+  ```js
+// Set the system time to 2021-01-20 02:36:25.
+var time = 1611081385000;
+systemTime.setTime(time).then((data) => {
+    console.log(`systemTime.setTime success data : ` + JSON.stringify(data));
+}).catch((error) => {
+    console.error(`failed to systemTime.setTime because ` + JSON.stringify(error));
+});
   ```
 
 
@@ -84,15 +87,16 @@ Obtains the time elapsed since the Unix epoch. This API uses an asynchronous cal
 
 **System capability**: SystemCapability.MiscServices.Time
 
-- **Parameters**
-    | Name| Type| Mandatory| Description| 
-  | -------- | -------- | -------- | -------- |
-  | isNano | boolean | No| Whether nanoseconds or milliseconds will be returned. If the value is **true**, nanoseconds will be returned. Otherwise, milliseconds will be returned.| 
-  | callback | AsyncCallback&lt;number&gt; | Yes| Callback used to return the time.| 
+**Parameters**
 
-- Example
-    
-  ```
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| isNano | boolean | No| Whether nanoseconds or milliseconds will be returned. If the value is **true**, nanoseconds will be returned. Otherwise, milliseconds will be returned.|
+| callback | AsyncCallback&lt;number&gt; | Yes| Callback used to return the time.|
+
+**Example**
+
+  ```js
   systemTime.getCurrentTime(true, (error, data) => {
       if (error) {
           console.error(`failed to systemTime.getCurrentTime because ` + JSON.stringify(error));
@@ -111,19 +115,21 @@ Obtains the time elapsed since the Unix epoch. This API uses a promise to return
 
 **System capability**: SystemCapability.MiscServices.Time
 
-- **Parameters**
-    | Name| Type| Mandatory| Description| 
-  | -------- | -------- | -------- | -------- |
-  | isNano | boolean | No| Whether nanoseconds or milliseconds will be returned. If the value is **true**, nanoseconds will be returned. Otherwise, milliseconds will be returned.| 
+**Parameters**
 
-- Return value
-    | Type| Description| 
-  | -------- | -------- |
-  | Promise&lt;number&gt; | Promise used to return the time.| 
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| isNano | boolean | No| Whether nanoseconds or milliseconds will be returned. If the value is **true**, nanoseconds will be returned. Otherwise, milliseconds will be returned.|
 
-- Example
-    
-  ```
+**Return value**
+
+| Type| Description|
+| -------- | -------- |
+| Promise&lt;number&gt; | Promise used to return the time.|
+
+**Example**
+
+  ```js
   systemTime.getCurrentTime().then((data) => {
       console.log(`systemTime.getCurrentTime success data : ` + JSON.stringify(data));
   }).catch((error) => {
@@ -140,15 +146,16 @@ Obtains the time elapsed since system start, excluding the deep sleep time. This
 
 **System capability**: SystemCapability.MiscServices.Time
 
-- **Parameters**
-    | Name| Type| Mandatory| Description| 
-  | -------- | -------- | -------- | -------- |
-  | isNano | boolean | No| Whether nanoseconds or milliseconds will be returned. If the value is **true**, nanoseconds will be returned. Otherwise, milliseconds will be returned.| 
-  | callback | AsyncCallback&lt;number&gt; | Yes| Callback used to return the time.| 
+**Parameters**
 
-- Example
-    
-  ```
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| isNano | boolean | No| Whether nanoseconds or milliseconds will be returned. If the value is **true**, nanoseconds will be returned. Otherwise, milliseconds will be returned.|
+| callback | AsyncCallback&lt;number&gt; | Yes| Callback used to return the time.|
+
+**Example**
+
+  ```js
   systemTime.getRealActiveTime(true, (error, data) => {
       if (error) {
           console.error(`failed to systemTime.getRealActiveTimebecause ` + JSON.stringify(error));
@@ -167,19 +174,21 @@ Obtains the time elapsed since system start, excluding the deep sleep time. This
 
 **System capability**: SystemCapability.MiscServices.Time
 
-- **Parameters**
-    | Name| Type| Mandatory| Description| 
-  | -------- | -------- | -------- | -------- |
-  | isNano | boolean | No| Whether nanoseconds or milliseconds will be returned. If the value is **true**, nanoseconds will be returned. Otherwise, milliseconds will be returned.| 
+**Parameters**
 
-- Return value
-    | Type| Description| 
-  | -------- | -------- |
-  | Promise&lt;number&gt; | Promise used to return the time.| 
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| isNano | boolean | No| Whether nanoseconds or milliseconds will be returned. If the value is **true**, nanoseconds will be returned. Otherwise, milliseconds will be returned.|
 
-- Example
-    
-  ```
+**Return value**
+
+| Type| Description|
+| -------- | -------- |
+| Promise&lt;number&gt; | Promise used to return the time.|
+
+**Example**
+
+  ```js
   systemTime.getCurrentTime().then((data) => {
       console.log(`systemTime.getRealActiveTime success data : ` + JSON.stringify(data));
   }).catch((error) => {
@@ -196,15 +205,16 @@ Obtains the time elapsed since system start, including the deep sleep time. This
 
 **System capability**: SystemCapability.MiscServices.Time
 
-- **Parameters**
-    | Name| Type| Mandatory| Description| 
-  | -------- | -------- | -------- | -------- |
-  | isNano | boolean | No| Whether nanoseconds or milliseconds will be returned. If the value is **true**, nanoseconds will be returned. Otherwise, milliseconds will be returned.| 
-  | callback | AsyncCallback&lt;number&gt; | Yes| Callback used to return the time.| 
+**Parameters**
 
-- Example
-    
-  ```
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| isNano | boolean | No| Whether nanoseconds or milliseconds will be returned. If the value is **true**, nanoseconds will be returned. Otherwise, milliseconds will be returned.|
+| callback | AsyncCallback&lt;number&gt; | Yes| Callback used to return the time.|
+
+**Example**
+
+  ```js
   systemTime.getRealTime(true, (error, data) => {
       if (error) {
           console.error(`failed to systemTime.getRealTime because ` + JSON.stringify(error));
@@ -223,19 +233,21 @@ Obtains the time elapsed since system start, including the deep sleep time. This
 
 **System capability**: SystemCapability.MiscServices.Time
 
-- **Parameters**
-    | Name| Type| Mandatory| Description| 
-  | -------- | -------- | -------- | -------- |
-  | isNano | boolean | No| Whether nanoseconds or milliseconds will be returned. If the value is **true**, nanoseconds will be returned. Otherwise, milliseconds will be returned.| 
+**Parameters**
 
-- Return value
-    | Type| Description| 
-  | -------- | -------- |
-  | Promise&lt;number&gt; | Promise used to return the time.| 
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| isNano | boolean | No| Whether nanoseconds or milliseconds will be returned. If the value is **true**, nanoseconds will be returned. Otherwise, milliseconds will be returned.|
 
-- Example
-    
-  ```
+**Return value**
+
+| Type| Description|
+| -------- | -------- |
+| Promise&lt;number&gt; | Promise used to return the time.|
+
+**Example**
+
+  ```js
   systemTime.getRealTime().then((data) => {
       console.log(`systemTime.getRealTime success data: ` + JSON.stringify(data));
   }).catch((error) => {
@@ -254,15 +266,16 @@ Sets the system date. This API uses an asynchronous callback to return the resul
 
 **System capability**: SystemCapability.MiscServices.Time
 
-- **Parameters**
-    | Name| Type| Mandatory| Description| 
-  | -------- | -------- | -------- | -------- |
-  | date | Date | Yes| Target date to set.| 
-  | callback | AsyncCallback&lt;void&gt; | Yes| Callback used to process the received return value.| 
+**Parameters**
 
-- Example
-    
-  ```
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| date | Date | Yes| Target date to set.|
+| callback | AsyncCallback&lt;void&gt; | Yes| Callback used to process the received return value.|
+
+**Example**
+
+  ```js
   var data = new Date("October 13, 2020 11:13:00");
   systemTime.setDate(data,(error, data) => {       
       if (error) {            
@@ -284,19 +297,21 @@ Sets the system date. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.MiscServices.Time
 
-- **Parameters**
-    | Name| Type| Mandatory| Description| 
-  | -------- | -------- | -------- | -------- |
-  | date | Date | Yes| Target date to set.| 
+**Parameters**
 
-- Return value
-    | Type| Description| 
-  | -------- | -------- |
-  | Promise&lt;void&gt; | Promise used to return the result.| 
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| date | Date | Yes| Target date to set.|
 
-- Example
-    
-  ```
+**Return value**
+
+| Type| Description|
+| -------- | -------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+  ```js
   var data = new Date("October 13, 2020 11:13:00"); 
   systemTime.setDate(data).then((value) => {        
       console.log(`systemTime.setDate success data : ` + JSON.stringify(value));    
@@ -314,14 +329,15 @@ Obtains the current system date. This API uses an asynchronous callback to retur
 
 **System capability**: SystemCapability.MiscServices.Time
 
-- **Parameters**
-    | Name| Type| Mandatory| Description| 
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;Date&gt; | Yes| Callback used to return the current system date.| 
+**Parameters**
 
-- Example
-    
-  ```
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;Date&gt; | Yes| Callback used to return the current system date.|
+
+**Example**
+
+  ```js
   systemTime.getDate((error, data) => {
       if (error) {
           console.error(`failed to systemTime.getDate because ` + JSON.stringify(error));
@@ -340,14 +356,15 @@ Obtains the current system date. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.MiscServices.Time
 
-- Return value
-    | Type| Description| 
-  | -------- | -------- |
-  | Promise&lt;Date&gt; | Promise used to return the current system date.| 
+**Return value**
 
-- Example
-    
-  ```
+| Type| Description|
+| -------- | -------- |
+| Promise&lt;Date&gt; | Promise used to return the current system date.|
+
+**Example**
+
+  ```js
   systemTime.getDate().then((data) => {
       console.log(`systemTime.getDate success data : ` + JSON.stringify(data));
   }).catch((error) => {
@@ -366,15 +383,16 @@ Sets the system time zone. This API uses an asynchronous callback to return the
 
 **System capability**: SystemCapability.MiscServices.Time
 
-- **Parameters**
-    | Name| Type| Mandatory| Description| 
-  | -------- | -------- | -------- | -------- |
-  | timezone | string | Yes| System time zone to set.| 
-  | callback | AsyncCallback&lt;void&gt; | Yes| Callback used to process the received return value.| 
+**Parameters**
 
-- Example
-    
-  ```
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| timezone | string | Yes| System time zone to set.|
+| callback | AsyncCallback&lt;void&gt; | Yes| Callback used to process the received return value.|
+
+**Example**
+
+  ```js
   systemTime.setTimezone('Asia/Shanghai', (error, data) => {       
       if (error) {          
           console.error('failed to systemTime.setTimezone because ' + JSON.stringify(error));         
@@ -395,19 +413,21 @@ Sets the system time zone. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.MiscServices.Time
 
-- **Parameters**
-    | Name| Type| Mandatory| Description| 
-  | -------- | -------- | -------- | -------- |
-  | timezone | string | Yes| System time zone to set.| 
+**Parameters**
 
-- Return value
-    | Type| Description| 
-  | -------- | -------- |
-  | Promise&lt;void&gt; | Promise used to return the result.| 
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| timezone | string | Yes| System time zone to set.|
 
-- Example
-    
-  ```
+**Return value**
+
+| Type| Description|
+| -------- | -------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+  ```js
   systemTime.setTimezone('Asia/Shanghai').then((data) => {        
       console.log(`systemTime.setTimezone success data : ` + JSON.stringify(data));     
   }).catch((error) => {        
@@ -424,14 +444,15 @@ Obtains the system time zone. This API uses an asynchronous callback to return t
 
 **System capability**: SystemCapability.MiscServices.Time
 
-- **Parameters**
-    | Name| Type| Mandatory| Description| 
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;string&gt; | Yes| Callback used to return the system time zone.| 
+**Parameters**
 
-- Example
-    
-  ```
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;string&gt; | Yes| Callback used to return the system time zone.|
+
+**Example**
+
+  ```js
   systemTime.getTimezone((error, data) => {
       if (error) {
           console.error(`failed to systemTime.getTimezone because ` + JSON.stringify(error));
@@ -450,14 +471,15 @@ Obtains the system time zone. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.MiscServices.Time
 
-- Return value
-    | Type| Description| 
-  | -------- | -------- |
-  | Promise&lt;string&gt; | Promise used to return the system time zone.| 
+**Return value**
 
-- Example
-    
-  ```
+| Type| Description|
+| -------- | -------- |
+| Promise&lt;string&gt; | Promise used to return the system time zone.|
+
+**Example**
+
+  ```js
   systemTime.getTimezone().then((data) => {
       console.log(`systemTime.getTimezone success data : ` + JSON.stringify(data));
   }).catch((error) => {

en/application-dev/reference/apis/js-apis-wallpaper.md

 # Wallpaper
 
 
-> ![icon-note.gif](public_sys-resources/icon-note.gif) **Note：**
-> The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version.
+> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**<br>The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version.
+>
 
 
 ## Modules to Import
@@ -21,8 +21,8 @@ Defines the wallpaper type.
 
 | Name | Description |
 | -------- | -------- |
-| WALLPAPER_LOCKSCREEN | Lock&nbsp;screen&nbsp;wallpaper. |
-| WALLPAPER_SYSTEM | Home&nbsp;screen&nbsp;wallpaper. |
+| WALLPAPER_LOCKSCREEN | Lock screen wallpaper. |
+| WALLPAPER_SYSTEM | Home screen wallpaper. |
 
 
 ## wallpaper.getColors
@@ -36,12 +36,12 @@ Obtains the main color information of the wallpaper of a specified type.
 - Parameters
     | Name | Type | Mandatory | Description |
   | -------- | -------- | -------- | -------- |
-  | wallpaperType | [WallpaperType](#wallpapertype) | Yes | Wallpaper&nbsp;type. |
-  | callback | AsyncCallback&lt;Array&lt;[RgbaColor](#rgbacolor)&gt;&gt; | Yes | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;main&nbsp;color&nbsp;information&nbsp;of&nbsp;the&nbsp;wallpaper. |
+  | wallpaperType | [WallpaperType](#wallpapertype) | Yes | Wallpaper type. |
+  | callback | AsyncCallback&lt;Array&lt;[RgbaColor](#rgbacolor)&gt;&gt; | Yes | Callback used to return the main color information of the wallpaper. |
 
 - Example
   
-  ```
+  ```js
   wallpaper.getColors(wallpaper.WallpaperType.WALLPAPER_SYSTEM, (error, data) => {
       if (error) {
           console.error(`failed to getColors because: ` + JSON.stringify(error));
@@ -60,25 +60,27 @@ Obtains the main color information of the wallpaper of a specified type.
 
 **System capability**: SystemCapability.MiscServices.Wallpaper
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | wallpaperType | [WallpaperType](#wallpapertype) | Yes | Wallpaper&nbsp;type. |
+**Parameters**
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;Array&lt;[RgbaColor](#rgbacolor)&gt;&gt; | Promise&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;main&nbsp;color&nbsp;information&nbsp;of&nbsp;the&nbsp;wallpaper. |
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| wallpaperType | [WallpaperType](#wallpapertype) | Yes | Wallpaper type. |
 
-- Example
-  
-  ```
-  wallpaper.getColors(wallpaper.WallpaperType.WALLPAPER_SYSTEM).then((data) => {
-      console.log(`success to getColors.`);
-  }).catch((error) => {
-      console.error(`failed to getColors because: ` + JSON.stringify(error));
-  });
-  ```
+**Return value**
+
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;Array&lt;[RgbaColor](#rgbacolor)&gt;&gt; | Promise used to return the main color information of the wallpaper. |
+
+**Example**
+
+```js
+wallpaper.getColors(wallpaper.WallpaperType.WALLPAPER_SYSTEM).then((data) => {
+    console.log(`success to getColors.`);
+}).catch((error) => {
+    console.error(`failed to getColors because: ` + JSON.stringify(error));
+});
+```
 
 
 ## wallpaper.getId
@@ -89,23 +91,24 @@ Obtains the ID of the wallpaper of the specified type.
 
 **System capability**: SystemCapability.MiscServices.Wallpaper
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | wallpaperType | [WallpaperType](#wallpapertype) | Yes | Wallpaper&nbsp;type. |
-  | callback | AsyncCallback&lt;number&gt; | Yes | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;wallpaper&nbsp;ID.&nbsp;If&nbsp;the&nbsp;wallpaper&nbsp;of&nbsp;the&nbsp;specified&nbsp;type&nbsp;is&nbsp;configured,&nbsp;a&nbsp;number&nbsp;greater&nbsp;than&nbsp;or&nbsp;equal&nbsp;to&nbsp;**0**&nbsp;is&nbsp;returned.&nbsp;Otherwise,&nbsp;**-1**&nbsp;is&nbsp;returned.&nbsp;The&nbsp;value&nbsp;ranges&nbsp;from&nbsp;-1&nbsp;to&nbsp;2^31-1. |
+**Parameters**
 
-- Example
-  
-  ```
-  wallpaper.getId(wallpaper.WallpaperType.WALLPAPER_SYSTEM, (error, data) => {
-      if (error) {
-          console.error(`failed to getId because: ` + JSON.stringify(error));
-          return;
-      }
-      console.log(`success to getId: ` + JSON.stringify(data));
-  });
-  ```
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| wallpaperType | [WallpaperType](#wallpapertype) | Yes | Wallpaper type. |
+| callback | AsyncCallback&lt;number&gt; | Yes | Callback used to return the wallpaper ID. If the wallpaper of the specified type is configured, a number greater than or equal to **0** is returned. Otherwise, **-1** is returned. The value ranges from -1 to 2^31-1. |
+
+**Example**
+
+```js
+wallpaper.getId(wallpaper.WallpaperType.WALLPAPER_SYSTEM, (error, data) => {
+    if (error) {
+        console.error(`failed to getId because: ` + JSON.stringify(error));
+        return;
+    }
+    console.log(`success to getId: ` + JSON.stringify(data));
+});
+```
 
 
 ## wallpaper.getId
@@ -116,26 +119,27 @@ Obtains the ID of the wallpaper of the specified type.
 
 **System capability**: SystemCapability.MiscServices.Wallpaper
 
+**Parameters**
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | wallpaperType | [WallpaperType](#wallpapertype) | Yes | Wallpaper&nbsp;type. |
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| wallpaperType | [WallpaperType](#wallpapertype) | Yes | Wallpaper type. |
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;number&gt; | Promise&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;wallpaper&nbsp;ID.&nbsp;If&nbsp;this&nbsp;type&nbsp;of&nbsp;wallpaper&nbsp;is&nbsp;configured,&nbsp;a&nbsp;number&nbsp;greater&nbsp;than&nbsp;or&nbsp;equal&nbsp;to&nbsp;**0**&nbsp;is&nbsp;returned.&nbsp;Otherwise,&nbsp;**-1**&nbsp;is&nbsp;returned.&nbsp;The&nbsp;value&nbsp;ranges&nbsp;from&nbsp;-1&nbsp;to&nbsp;2^31-1. |
+**Return value**
 
-- Example
-  
-  ```
-  wallpaper.getId(wallpaper.WallpaperType.WALLPAPER_SYSTEM).then((data) => {
-      console.log(`success to getId: ` + JSON.stringify(data));
-  }).catch((error) => {
-      console.error(`failed to getId because: ` + JSON.stringify(error));
-  });
-  ```
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;number&gt; | Promise used to return the wallpaper ID. If this type of wallpaper is configured, a number greater than or equal to **0** is returned. Otherwise, **-1** is returned. The value ranges from -1 to 2^31-1. |
+
+**Example**
+
+```js
+wallpaper.getId(wallpaper.WallpaperType.WALLPAPER_SYSTEM).then((data) => {
+    console.log(`success to getId: ` + JSON.stringify(data));
+}).catch((error) => {
+    console.error(`failed to getId because: ` + JSON.stringify(error));
+});
+```
 
 
 ## wallpaper.getMinHeight
@@ -146,22 +150,23 @@ Obtains the minimum height of the wallpaper.
 
 **System capability**: SystemCapability.MiscServices.Wallpaper
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;number&gt; | Yes | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;minimum&nbsp;wallpaper&nbsp;height,&nbsp;in&nbsp;pixels.&nbsp;If&nbsp;the&nbsp;return&nbsp;value&nbsp;is&nbsp;**0**,&nbsp;no&nbsp;wallpaper&nbsp;is&nbsp;set.&nbsp;In&nbsp;this&nbsp;case,&nbsp;the&nbsp;default&nbsp;height&nbsp;should&nbsp;be&nbsp;used&nbsp;instead. |
+**Parameters**
 
-- Example
-  
-  ```
-  wallpaper.getMinHeight((error, data) => {
-      if (error) {
-          console.error(`failed to getMinHeight because: ` + JSON.stringify(error));
-          return;
-      }
-      console.log(`success to getMinHeight: ` + JSON.stringify(data));
-  });
-  ```
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;number&gt; | Yes | Callback used to return the minimum wallpaper height, in pixels. If the return value is **0**, no wallpaper is set. In this case, the default height should be used instead. |
+
+**Example**
+
+```js
+wallpaper.getMinHeight((error, data) => {
+    if (error) {
+        console.error(`failed to getMinHeight because: ` + JSON.stringify(error));
+        return;
+    }
+    console.log(`success to getMinHeight: ` + JSON.stringify(data));
+});
+```
 
 
 ## wallpaper.getMinHeight
@@ -172,21 +177,21 @@ Obtains the minimum height of the wallpaper.
 
 **System capability**: SystemCapability.MiscServices.Wallpaper
 
+**Return value**
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;number&gt; | Promise&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;minimum&nbsp;wallpaper&nbsp;height,&nbsp;in&nbsp;pixels.&nbsp;If&nbsp;the&nbsp;return&nbsp;value&nbsp;is&nbsp;**0**,&nbsp;no&nbsp;wallpaper&nbsp;is&nbsp;set.&nbsp;In&nbsp;this&nbsp;case,&nbsp;the&nbsp;default&nbsp;height&nbsp;should&nbsp;be&nbsp;used&nbsp;instead. |
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;number&gt; | Promise used to return the minimum wallpaper height, in pixels. If the return value is **0**, no wallpaper is set. In this case, the default height should be used instead. |
 
-- Example
-  
-  ```
-  wallpaper.getMinHeight().then((data) => {
-      console.log(`success to getMinHeight: ` + JSON.stringify(data));
-  }).catch((error) => {
-      console.error(`failed to getMinHeight because: ` + JSON.stringify(error));
-  });
-  ```
+**Example**
+
+```js
+wallpaper.getMinHeight().then((data) => {
+    console.log(`success to getMinHeight: ` + JSON.stringify(data));
+}).catch((error) => {
+    console.error(`failed to getMinHeight because: ` + JSON.stringify(error));
+});
+```
 
 
 ## wallpaper.getMinWidth
@@ -197,23 +202,23 @@ Obtains the minimum width of the wallpaper.
 
 **System capability**: SystemCapability.MiscServices.Wallpaper
 
+**Parameters**
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;number&gt; | Yes | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;minimum&nbsp;wallpaper&nbsp;width,&nbsp;in&nbsp;pixels.&nbsp;If&nbsp;the&nbsp;return&nbsp;value&nbsp;is&nbsp;**0**,&nbsp;no&nbsp;wallpaper&nbsp;is&nbsp;set.&nbsp;In&nbsp;this&nbsp;case,&nbsp;the&nbsp;default&nbsp;width&nbsp;should&nbsp;be&nbsp;used&nbsp;instead. |
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;number&gt; | Yes | Callback used to return the minimum wallpaper width, in pixels. If the return value is **0**, no wallpaper is set. In this case, the default width should be used instead. |
 
-- Example
-  
-  ```
-  wallpaper.getMinWidth((error, data) => {
-      if (error) {
-          console.error(`failed to getMinWidth because: ` + JSON.stringify(error));
-          return;
-      }
-      console.log(`success to getMinWidth: ` + JSON.stringify(data));
-  });
-  ```
+**Example**
+
+```js
+wallpaper.getMinWidth((error, data) => {
+    if (error) {
+        console.error(`failed to getMinWidth because: ` + JSON.stringify(error));
+        return;
+    }
+    console.log(`success to getMinWidth: ` + JSON.stringify(data));
+});
+```
 
 
 ## wallpaper.getMinWidth
@@ -224,20 +229,21 @@ Obtains the minimum width of the wallpaper.
 
 **System capability**: SystemCapability.MiscServices.Wallpaper
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;number&gt; | Promised&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;minimum&nbsp;wallpaper&nbsp;width,&nbsp;in&nbsp;pixels.&nbsp;If&nbsp;the&nbsp;return&nbsp;value&nbsp;is&nbsp;**0**,&nbsp;no&nbsp;wallpaper&nbsp;is&nbsp;set.&nbsp;In&nbsp;this&nbsp;case,&nbsp;the&nbsp;default&nbsp;width&nbsp;should&nbsp;be&nbsp;used&nbsp;instead. |
+**Return value**
 
-- Example
-  
-  ```
-  wallpaper.getMinWidth().then((data) => {
-      console.log(`success to getMinWidth: ` + JSON.stringify(data));
-  }).catch((error) => {
-      console.error(`failed to getMinWidth because: ` + JSON.stringify(error));
-  });
-  ```
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;number&gt; | Promised used to return the minimum wallpaper width, in pixels. If the return value is **0**, no wallpaper is set. In this case, the default width should be used instead. |
+
+**Example**
+
+```js
+wallpaper.getMinWidth().then((data) => {
+    console.log(`success to getMinWidth: ` + JSON.stringify(data));
+}).catch((error) => {
+    console.error(`failed to getMinWidth because: ` + JSON.stringify(error));
+});
+```
 
 
 ## wallpaper.isChangePermitted
@@ -248,22 +254,23 @@ Checks whether to allow the application to change the wallpaper for the current
 
 **System capability**: SystemCapability.MiscServices.Wallpaper
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;boolean&gt; | Yes | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;queried&nbsp;result.&nbsp;Returns&nbsp;**true**&nbsp;if&nbsp;it&nbsp;is&nbsp;allowed;&nbsp;returns&nbsp;**false**&nbsp;otherwise. |
+**Parameters**
 
-- Example
-  
-  ```
-  wallpaper.isChangePermitted((error, data) => {
-      if (error) {
-          console.error(`failed to isChangePermitted because: ` + JSON.stringify(error));
-          return;
-      }
-      console.log(`success to isChangePermitted: ` + JSON.stringify(data));
-  });
-  ```
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;boolean&gt; | Yes | Callback used to return the queried result. Returns **true** if it is allowed; returns **false** otherwise. |
+
+**Example**
+
+```js
+wallpaper.isChangePermitted((error, data) => {
+    if (error) {
+        console.error(`failed to isChangePermitted because: ` + JSON.stringify(error));
+        return;
+    }
+    console.log(`success to isChangePermitted: ` + JSON.stringify(data));
+});
+```
 
 
 ## wallpaper.isChangePermitted
@@ -274,20 +281,21 @@ Checks whether to allow the application to change the wallpaper for the current
 
 **System capability**: SystemCapability.MiscServices.Wallpaper
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;boolean&gt; | Promise&nbsp;used&nbsp;to&nbsp;return&nbsp;whether&nbsp;to&nbsp;allow&nbsp;the&nbsp;application&nbsp;to&nbsp;change&nbsp;the&nbsp;wallpaper&nbsp;for&nbsp;the&nbsp;current&nbsp;user.&nbsp;Returns&nbsp;**true**&nbsp;if&nbsp;it&nbsp;is&nbsp;allowed;&nbsp;returns&nbsp;**false**&nbsp;otherwise. |
+**Return value**
 
-- Example
-  
-  ```
-  wallpaper.isChangePermitted().then((data) => {
-      console.log(`success to isChangePermitted: ` + JSON.stringify(data));
-  }).catch((error) => {
-      console.error(`failed to isChangePermitted because: ` + JSON.stringify(error));
-  });
-  ```
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;boolean&gt; | Promise used to return whether to allow the application to change the wallpaper for the current user. Returns **true** if it is allowed; returns **false** otherwise. |
+
+**Example**
+
+```js
+wallpaper.isChangePermitted().then((data) => {
+    console.log(`success to isChangePermitted: ` + JSON.stringify(data));
+}).catch((error) => {
+    console.error(`failed to isChangePermitted because: ` + JSON.stringify(error));
+});
+```
 
 
 ## wallpaper.isOperationAllowed
@@ -298,22 +306,23 @@ Checks whether the user is allowed to set wallpapers.
 
 **System capability**: SystemCapability.MiscServices.Wallpaper
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;boolean&gt; | Yes | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;whether&nbsp;the&nbsp;user&nbsp;is&nbsp;allowed&nbsp;to&nbsp;set&nbsp;wallpapers.&nbsp;Returns&nbsp;**true**&nbsp;if&nbsp;it&nbsp;is&nbsp;allowed;&nbsp;returns&nbsp;**false**&nbsp;otherwise. |
+**Parameters**
 
-- Example
-  
-  ```
-  wallpaper.isOperationAllowed((error, data) => {
-      if (error) {
-          console.error(`failed to isOperationAllowed because: ` + JSON.stringify(error));
-          return;
-      }
-      console.log(`success to isOperationAllowed: ` + JSON.stringify(data));
-  });
-  ```
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;boolean&gt; | Yes | Callback used to return whether the user is allowed to set wallpapers. Returns **true** if it is allowed; returns **false** otherwise. |
+
+**Example**
+
+```js
+wallpaper.isOperationAllowed((error, data) => {
+    if (error) {
+        console.error(`failed to isOperationAllowed because: ` + JSON.stringify(error));
+        return;
+    }
+    console.log(`success to isOperationAllowed: ` + JSON.stringify(data));
+});
+```
 
 
 ## wallpaper.isOperationAllowed
@@ -324,20 +333,21 @@ Checks whether the user is allowed to set wallpapers.
 
 **System capability**: SystemCapability.MiscServices.Wallpaper
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;boolean&gt; | Promise&nbsp;used&nbsp;to&nbsp;return&nbsp;whether&nbsp;the&nbsp;user&nbsp;is&nbsp;allowed&nbsp;to&nbsp;set&nbsp;wallpapers.&nbsp;Returns&nbsp;**true**&nbsp;if&nbsp;it&nbsp;is&nbsp;allowed;&nbsp;returns&nbsp;**false**&nbsp;otherwise. |
+**Return value**
 
-- Example
-  
-  ```
-  wallpaper.isOperationAllowed().then((data) => {
-      console.log(`success to isOperationAllowed: ` + JSON.stringify(data));
-  }).catch((error) => {
-      console.error(`failed to isOperationAllowed because: ` + JSON.stringify(error));
-  });
-  ```
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;boolean&gt; | Promise used to return whether the user is allowed to set wallpapers. Returns **true** if it is allowed; returns **false** otherwise. |
+
+**Example**
+
+```js
+wallpaper.isOperationAllowed().then((data) => {
+    console.log(`success to isOperationAllowed: ` + JSON.stringify(data));
+}).catch((error) => {
+    console.error(`failed to isOperationAllowed because: ` + JSON.stringify(error));
+});
+```
 
 
 ## wallpaper.reset
@@ -350,23 +360,24 @@ Removes a wallpaper of the specified type and restores the default one.
 
 **System capability**: SystemCapability.MiscServices.Wallpaper
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | wallpaperType | [WallpaperType](#wallpapertype) | Yes | Wallpaper&nbsp;type. |
-  | callback | AsyncCallback&lt;void&gt; | Yes | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;result.&nbsp;If&nbsp;the&nbsp;operation&nbsp;is&nbsp;successful,&nbsp;the&nbsp;result&nbsp;of&nbsp;removal&nbsp;is&nbsp;returned.&nbsp;Otherwise,&nbsp;error&nbsp;information&nbsp;is&nbsp;returned. |
+**Parameters**
 
-- Example
-  
-  ```
-  wallpaper.reset(wallpaper.WallpaperType.WALLPAPER_SYSTEM, (error, data) => {
-      if (error) {
-          console.error(`failed to reset because: ` + JSON.stringify(error));
-          return;
-      }
-      console.log(`success to reset.`);
-  });
-  ```
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| wallpaperType | [WallpaperType](#wallpapertype) | Yes | Wallpaper type. |
+| callback | AsyncCallback&lt;void&gt; | Yes | Callback used to return the result. If the operation is successful, the result of removal is returned. Otherwise, error information is returned. |
+
+**Example**
+
+```js
+wallpaper.reset(wallpaper.WallpaperType.WALLPAPER_SYSTEM, (error, data) => {
+    if (error) {
+        console.error(`failed to reset because: ` + JSON.stringify(error));
+        return;
+    }
+    console.log(`success to reset.`);
+});
+```
 
 
 ## wallpaper.reset
@@ -379,25 +390,27 @@ Removes a wallpaper of the specified type and restores the default one.
 
 **System capability**: SystemCapability.MiscServices.Wallpaper
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | wallpaperType | [WallpaperType](#wallpapertype) | Yes | Wallpaper&nbsp;type. |
+**Parameters**
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;void&gt; | Promise&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;result.&nbsp;If&nbsp;the&nbsp;operation&nbsp;is&nbsp;successful,&nbsp;the&nbsp;result&nbsp;of&nbsp;removal&nbsp;is&nbsp;returned.&nbsp;Otherwise,&nbsp;error&nbsp;information&nbsp;is&nbsp;returned. |
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| wallpaperType | [WallpaperType](#wallpapertype) | Yes | Wallpaper type. |
 
-- Example
-  
-  ```
-  wallpaper.reset(wallpaper.WallpaperType.WALLPAPER_SYSTEM).then((data) => {
-      console.log(`success to reset.`);
-  }).catch((error) => {
-      console.error(`failed to reset because: ` + JSON.stringify(error));
-  });
-  ```
+**Return value**
+
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;void&gt; | Promise used to return the result. If the operation is successful, the result of removal is returned. Otherwise, error information is returned. |
+
+**Example**
+
+```js
+wallpaper.reset(wallpaper.WallpaperType.WALLPAPER_SYSTEM).then((data) => {
+    console.log(`success to reset.`);
+}).catch((error) => {
+    console.error(`failed to reset because: ` + JSON.stringify(error));
+});
+```
 
 
 ## wallpaper.setWallpaper
@@ -410,47 +423,48 @@ Sets a specified source as the wallpaper of a specified type.
 
 **System capability**: SystemCapability.MiscServices.Wallpaper
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | source | string&nbsp;\| [PixelMap](js-apis-image.md#pixelmap7) | Yes | Uri&nbsp;path&nbsp;of&nbsp;the&nbsp;JPEG&nbsp;or&nbsp;PNG&nbsp;file,&nbsp;or&nbsp;bitmap&nbsp;of&nbsp;the&nbsp;PNG&nbsp;file. |
-  | wallpaperType | [WallpaperType](#wallpapertype) | Yes | Wallpaper&nbsp;type. |
-  | callback | AsyncCallback&lt;void&gt; | Yes | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;result.&nbsp;If&nbsp;the&nbsp;operation&nbsp;is&nbsp;successful,&nbsp;the&nbsp;setting&nbsp;result&nbsp;is&nbsp;returned.&nbsp;Otherwise,&nbsp;error&nbsp;information&nbsp;is&nbsp;returned. |
-
-- Example
-  
-  ```
-  //The source type is string.
-  let wallpaperPath = "/data/data/ohos.acts.aafwk.plrdtest.form/files/Cup_ic.jpg";
-  wallpaper.setWallpaper(wallpaperPath, wallpaper.WallpaperType.WALLPAPER_SYSTEM, (error, data) => {   
-      if (error) {        
-          console.error(`failed to setWallpaper because: ` + JSON.stringify(error));       
-          return;   
-      }    
-      console.log(`success to setWallpaper.`);
-  });
-  
-  //The source type is image.PixelMap.
-  import image from '@ohos.multimedia.image';
-  let imageSource = image.createImageSource("file://" + wallpaperPath);
-  let opts = {
-      "desiredSize": {
-          "height": 3648,
-          "width": 2736
-      }
-  };
-  imageSource.createPixelMap(opts).then((pixelMap) => {      
-      wallpaper.setWallpaper(pixelMap, wallpaper.WallpaperType.WALLPAPER_SYSTEM, (error, data) => {    
-          if (error) {       
-              console.error(`failed to setWallpaper because: ` + JSON.stringify(error));
-              return;
-          }    
-          console.log(`success to setWallpaper.`);
-      });
-  }).catch((error) => {       
-      console.error(`failed to createPixelMap because: ` + JSON.stringify(error));
-  });
-  ```
+**Parameters**
+
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| source | string \| [PixelMap](js-apis-image.md#pixelmap7) | Yes | Uri path of the JPEG or PNG file, or bitmap of the PNG file. |
+| wallpaperType | [WallpaperType](#wallpapertype) | Yes | Wallpaper type. |
+| callback | AsyncCallback&lt;void&gt; | Yes | Callback used to return the result. If the operation is successful, the setting result is returned. Otherwise, error information is returned. |
+
+**Example**
+
+```js
+// The source type is string.
+let wallpaperPath = "/data/data/ohos.acts.aafwk.plrdtest.form/files/Cup_ic.jpg";
+wallpaper.setWallpaper(wallpaperPath, wallpaper.WallpaperType.WALLPAPER_SYSTEM, (error, data) => {   
+    if (error) {        
+        console.error(`failed to setWallpaper because: ` + JSON.stringify(error));       
+        return;   
+    }    
+    console.log(`success to setWallpaper.`);
+});
+
+// The source type is image.PixelMap.
+import image from '@ohos.multimedia.image';
+let imageSource = image.createImageSource("file://" + wallpaperPath);
+let opts = {
+    "desiredSize": {
+        "height": 3648,
+        "width": 2736
+    }
+};
+imageSource.createPixelMap(opts).then((pixelMap) => {      
+    wallpaper.setWallpaper(pixelMap, wallpaper.WallpaperType.WALLPAPER_SYSTEM, (error, data) => {    
+        if (error) {       
+            console.error(`failed to setWallpaper because: ` + JSON.stringify(error));
+            return;
+        }    
+        console.log(`success to setWallpaper.`);
+    });
+}).catch((error) => {       
+    console.error(`failed to createPixelMap because: ` + JSON.stringify(error));
+});
+```
 
 
 ## wallpaper.setWallpaper
@@ -463,47 +477,49 @@ Sets a specified source as the wallpaper of a specified type.
 
 **System capability**: SystemCapability.MiscServices.Wallpaper
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | source | string&nbsp;\|&nbsp;[PixelMap](js-apis-image.md#pixelmap7) | Yes | Uri&nbsp;path&nbsp;of&nbsp;the&nbsp;JPEG&nbsp;or&nbsp;PNG&nbsp;file,&nbsp;or&nbsp;bitmap&nbsp;of&nbsp;the&nbsp;PNG&nbsp;file. |
-  | wallpaperType | [WallpaperType](#wallpapertype) | Yes | Wallpaper&nbsp;type. |
+**Parameters**
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;void&gt; | Promise&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;result.&nbsp;If&nbsp;the&nbsp;operation&nbsp;is&nbsp;successful,&nbsp;the&nbsp;setting&nbsp;result&nbsp;is&nbsp;returned.&nbsp;Otherwise,&nbsp;error&nbsp;information&nbsp;is&nbsp;returned. |
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| source | string \| [PixelMap](js-apis-image.md#pixelmap7) | Yes | Uri path of the JPEG or PNG file, or bitmap of the PNG file. |
+| wallpaperType | [WallpaperType](#wallpapertype) | Yes | Wallpaper type. |
 
-- Example
-  
-  ```
-  //The source type is string.
-  let wallpaperPath = "/data/data/ohos.acts.aafwk.plrdtest.form/files/Cup_ic.jpg";
-  wallpaper.setWallpaper(wallpaperPath, wallpaper.WallpaperType.WALLPAPER_SYSTEM).then((data) => {
-      console.log(`success to setWallpaper.`);
-  }).catch((error) => {
-      console.error(`failed to setWallpaper because: ` + JSON.stringify(error));
-  });
-  
-  //The source type is image.PixelMap.
-  import image from '@ohos.multimedia.image';
-  let imageSource = image.createImageSource("file://" + wallpaperPath);
-  let opts = {
-      "desiredSize": {
-          "height": 3648,
-          "width": 2736
-      }
-  };
-  imageSource.createPixelMap(opts).then((pixelMap) => {      
-      wallpaper.setWallpaper(pixelMap, wallpaper.WallpaperType.WALLPAPER_SYSTEM).then((data) => {
-          console.log(`success to setWallpaper.`);
-      }).catch((error) => {
-          console.error(`failed to setWallpaper because: ` + JSON.stringify(error));
-      });
-  }).catch((error) => {       
-      console.error(`failed to createPixelMap because: ` + JSON.stringify(error));
-  });
-  ```
+**Return value**
+
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;void&gt; | Promise used to return the result. If the operation is successful, the setting result is returned. Otherwise, error information is returned. |
+
+**Example**
+
+```js
+// The source type is string.
+let wallpaperPath = "/data/data/ohos.acts.aafwk.plrdtest.form/files/Cup_ic.jpg";
+wallpaper.setWallpaper(wallpaperPath, wallpaper.WallpaperType.WALLPAPER_SYSTEM).then((data) => {
+    console.log(`success to setWallpaper.`);
+}).catch((error) => {
+    console.error(`failed to setWallpaper because: ` + JSON.stringify(error));
+});
+
+// The source type is image.PixelMap.
+import image from '@ohos.multimedia.image';
+let imageSource = image.createImageSource("file://" + wallpaperPath);
+let opts = {
+    "desiredSize": {
+        "height": 3648,
+        "width": 2736
+    }
+};
+imageSource.createPixelMap(opts).then((pixelMap) => {      
+    wallpaper.setWallpaper(pixelMap, wallpaper.WallpaperType.WALLPAPER_SYSTEM).then((data) => {
+        console.log(`success to setWallpaper.`);
+    }).catch((error) => {
+        console.error(`failed to setWallpaper because: ` + JSON.stringify(error));
+    });
+}).catch((error) => {       
+    console.error(`failed to createPixelMap because: ` + JSON.stringify(error));
+});
+```
 
 ## wallpaper.getFile<sup>8+</sup>
 
@@ -511,27 +527,28 @@ getFile(wallpaperType: WallpaperType, callback: AsyncCallback&lt;number&gt;): vo
 
 Obtains the wallpaper of the specified type.
 
-**Required permissions**: ohos.permission.GET_WALLPAPER and ohos.permission.READ_USER_STORAGE
+**Required permissions**: ohos.permission.SET_WALLPAPER and ohos.permission.READ_USER_STORAGE
 
 **System capability**: SystemCapability.MiscServices.Wallpaper
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | wallpaperType | [WallpaperType](#wallpapertype) | Yes | Wallpaper&nbsp;type. |
-  | callback | AsyncCallback&lt;number&gt; | Yes | Callback&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;result.&nbsp;If&nbsp;the&nbsp;operation&nbsp;is&nbsp;successful,&nbsp;the&nbsp;file&nbsp;descriptor&nbsp;ID&nbsp;to&nbsp;the&nbsp;wallpaper&nbsp;is&nbsp;returned.&nbsp;Otherwise,&nbsp;error&nbsp;information&nbsp;is&nbsp;returned. |
+**Parameters**
 
-- Example
-  
-  ```
-  wallpaper.getFile(wallpaper.WallpaperType.WALLPAPER_SYSTEM, (error, data) => {
-      if (error) {
-          console.error(`failed to getFile because: ` + JSON.stringify(error));
-          return;
-      }
-      console.log(`success to getFile: ` + JSON.stringify(data));
-  });
-  ```
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| wallpaperType | [WallpaperType](#wallpapertype) | Yes | Wallpaper type. |
+| callback | AsyncCallback&lt;number&gt; | Yes | Callback used to return the result. If the operation is successful, the file descriptor ID to the wallpaper is returned. Otherwise, error information is returned. |
+
+**Example**
+
+```js
+wallpaper.getFile(wallpaper.WallpaperType.WALLPAPER_SYSTEM, (error, data) => {
+    if (error) {
+        console.error(`failed to getFile because: ` + JSON.stringify(error));
+        return;
+    }
+    console.log(`success to getFile: ` + JSON.stringify(data));
+});
+```
 
 ## wallpaper.getFile<sup>8+</sup>
 
@@ -543,25 +560,27 @@ Obtains the wallpaper of the specified type.
 
 **System capability**: SystemCapability.MiscServices.Wallpaper
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | wallpaperType | [WallpaperType](#wallpapertype) | Yes | Wallpaper&nbsp;type. |
+**Parameters**
 
-- Return values
-    | Type | Description |
-  | -------- | -------- |
-  | Promise&lt;number&gt; | Promise&nbsp;used&nbsp;to&nbsp;return&nbsp;the&nbsp;result.&nbsp;If&nbsp;the&nbsp;operation&nbsp;is&nbsp;successful,&nbsp;the&nbsp;file&nbsp;descriptor&nbsp;ID&nbsp;to&nbsp;the&nbsp;wallpaper&nbsp;is&nbsp;returned.&nbsp;Otherwise,&nbsp;error&nbsp;information&nbsp;is&nbsp;returned. |
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| wallpaperType | [WallpaperType](#wallpapertype) | Yes | Wallpaper type. |
 
-- Example
-  
-  ```
-  wallpaper.getFile(wallpaper.WallpaperType.WALLPAPER_SYSTEM).then((data) => {
-      console.log(`success to getFile: ` + JSON.stringify(data));
-  }).catch((error) => {
-      console.error(`failed to getFile because: ` + JSON.stringify(error));
-  });
-  ```
+**Return value**
+
+| Type | Description |
+| -------- | -------- |
+| Promise&lt;number&gt; | Promise used to return the result. If the operation is successful, the file descriptor ID to the wallpaper is returned. Otherwise, error information is returned. |
+
+**Example**
+
+```js
+wallpaper.getFile(wallpaper.WallpaperType.WALLPAPER_SYSTEM).then((data) => {
+    console.log(`success to getFile: ` + JSON.stringify(data));
+}).catch((error) => {
+    console.error(`failed to getFile because: ` + JSON.stringify(error));
+});
+```
 
 
 ## wallpaper.on('colorChange')
@@ -572,20 +591,21 @@ Subscribes to the wallpaper color change event.
 
 **System capability**: SystemCapability.MiscServices.Wallpaper
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | type | string | Yes | Type&nbsp;of&nbsp;the&nbsp;event&nbsp;to&nbsp;subscribe&nbsp;to.&nbsp;The&nbsp;value&nbsp;**colorChange**&nbsp;indicates&nbsp;subscribing&nbsp;to&nbsp;the&nbsp;wallpaper&nbsp;color&nbsp;change&nbsp;event. |
-  | callback | function | Yes | Callback&nbsp;triggered&nbsp;when&nbsp;the&nbsp;wallpaper&nbsp;color&nbsp;changes.&nbsp;The&nbsp;wallpaper&nbsp;type&nbsp;and&nbsp;main&nbsp;colors&nbsp;are&nbsp;returned.<br/>-&nbsp;colors<br/>&nbsp;&nbsp;Main&nbsp;color&nbsp;information&nbsp;of&nbsp;the&nbsp;wallpaper.&nbsp;For&nbsp;details,&nbsp;see&nbsp;[RgbaColor](#rgbacolor).<br/>-&nbsp;wallpaperType<br/>&nbsp;&nbsp;Wallpaper&nbsp;type. |
+**Parameters**
 
-- Example
-  
-  ```
-  let listener = (colors, wallpaperType) => {
-      console.log(`wallpaper color changed.`);
-  };
-  wallpaper.on('colorChange', listener);
-  ```
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| type | string | Yes | Type of the event to subscribe to. The value **colorChange** indicates subscribing to the wallpaper color change event. |
+| callback | function | Yes | Callback triggered when the wallpaper color changes. The wallpaper type and main colors are returned.<br/>- colors<br/>  Main color information of the wallpaper. For details, see [RgbaColor](#rgbacolor).<br/>- wallpaperType<br/>  Wallpaper type. |
+
+**Example**
+
+```js
+let listener = (colors, wallpaperType) => {
+    console.log(`wallpaper color changed.`);
+};
+wallpaper.on('colorChange', listener);
+```
 
 
 ## wallpaper.off('colorChange')
@@ -596,24 +616,25 @@ Unsubscribes from the wallpaper color change event.
 
 **System capability**: SystemCapability.MiscServices.Wallpaper
 
-- Parameters
-    | Name | Type | Mandatory | Description |
-  | -------- | -------- | -------- | -------- |
-  | type | string | Yes | Type&nbsp;of&nbsp;the&nbsp;event&nbsp;to&nbsp;unsubscribe&nbsp;from.&nbsp;The&nbsp;value&nbsp;**colorChange**&nbsp;indicates&nbsp;unsubscribing&nbsp;from&nbsp;the&nbsp;wallpaper&nbsp;color&nbsp;change&nbsp;event. |
-  | callback | function | No | &nbsp;&nbsp;Callback&nbsp;for&nbsp;the&nbsp;wallpaper&nbsp;color&nbsp;change&nbsp;event.&nbsp;If&nbsp;this&nbsp;parameter&nbsp;is&nbsp;not&nbsp;specified,&nbsp;all&nbsp;callbacks&nbsp;corresponding&nbsp;to&nbsp;the&nbsp;wallpaper&nbsp;color&nbsp;change&nbsp;event&nbsp;are&nbsp;invoked.<br/>-&nbsp;colors<br/>&nbsp;&nbsp;Main&nbsp;color&nbsp;information&nbsp;of&nbsp;the&nbsp;wallpaper.&nbsp;For&nbsp;details,&nbsp;see&nbsp;[RgbaColor](#rgbacolor).<br/>-&nbsp;wallpaperType<br/>&nbsp;&nbsp;Wallpaper&nbsp;type. |
+**Parameters**
 
-- Example
-  
-  ```
-  let listener = (colors, wallpaperType) => {
-      console.log(`wallpaper color changed.`);
-  };
-  wallpaper.on('colorChange', listener);
-  // Unsubscribe from the listener.
-  wallpaper.off('colorChange', listener);
-  //Unsubscribe from all subscriptions of the colorChange type.
-  wallpaper.off('colorChange');
-  ```
+| Name | Type | Mandatory | Description |
+| -------- | -------- | -------- | -------- |
+| type | string | Yes | Type of the event to unsubscribe from. The value **colorChange** indicates unsubscribing from the wallpaper color change event. |
+| callback | function | No |   Callback for the wallpaper color change event. If this parameter is not specified, all callbacks corresponding to the wallpaper color change event are invoked.<br/>- colors<br/>  Main color information of the wallpaper. For details, see [RgbaColor](#rgbacolor).<br/>- wallpaperType<br/>  Wallpaper type. |
+
+**Example**
+
+```js
+let listener = (colors, wallpaperType) => {
+    console.log(`wallpaper color changed.`);
+};
+wallpaper.on('colorChange', listener);
+// Unsubscribe from the listener.
+wallpaper.off('colorChange', listener);
+//Unsubscribe from all subscriptions of the colorChange type.
+wallpaper.off('colorChange');
+```
 
 
 ## RgbaColor
@@ -622,7 +643,7 @@ Unsubscribes from the wallpaper color change event.
 
 | Name | Type | Readable | Writable | Description |
 | -------- | -------- | -------- | -------- | -------- |
-| red | number | Yes | Yes | Red&nbsp;color.&nbsp;The&nbsp;value&nbsp;ranges&nbsp;from&nbsp;0&nbsp;to&nbsp;255. |
-| green | number | Yes | Yes | Green&nbsp;color.&nbsp;The&nbsp;value&nbsp;ranges&nbsp;from&nbsp;0&nbsp;to&nbsp;255. |
-| blue | number | Yes | Yes | Blue&nbsp;color.&nbsp;The&nbsp;value&nbsp;ranges&nbsp;from&nbsp;0&nbsp;to&nbsp;255. |
-| alpha | number | Yes | Yes | Alpha&nbsp;value.&nbsp;The&nbsp;value&nbsp;ranges&nbsp;from&nbsp;0&nbsp;to&nbsp;255. |
+| red | number | Yes | Yes | Red color. The value ranges from 0 to 255. |
+| green | number | Yes | Yes | Green color. The value ranges from 0 to 255. |
+| blue | number | Yes | Yes | Blue color. The value ranges from 0 to 255. |
+| alpha | number | Yes | Yes | Alpha value. The value ranges from 0 to 255. |