diff --git a/en/application-dev/reference/apis/js-apis-camera.md b/en/application-dev/reference/apis/js-apis-camera.md
index cc34ebefa765c63b14d0bf65e1d8d26ebe64e4e1..baf10a887589617bee09f1a3220c70dd1b6d6cdb 100644
--- a/en/application-dev/reference/apis/js-apis-camera.md
+++ b/en/application-dev/reference/apis/js-apis-camera.md
@@ -84,7 +84,7 @@ Defines the camera profile.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
-| Name     | Type                          | Read Only| Description        |
+| Name     | Type                          | Mandatory| Description        |
 | -------- | ----------------------------- |---- | ------------- |
 | format   | [CameraFormat](#cameraformat) | Yes | Output format.     |
 | size     | [Size](#size)                 | Yes | Resolution.      |
@@ -95,7 +95,7 @@ Defines the frame rate range.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
-| Name     | Type                          | Read Only| Description        |
+| Name     | Type                          | Mandatory| Description        |
 | -------- | ----------------------------- |---- | ------------- |
 | min      | number                        | Yes | Minimum frame rate.     |
 | max      | number                        | Yes | Maximum frame rate.     |
@@ -106,7 +106,7 @@ Defines the video profile.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
-| Name                      | Type                                     | Read Only| Description       |
+| Name                      | Type                                     | Mandatory| Description       |
 | ------------------------- | ----------------------------------------- | --- |----------- |
 | frameRateRange            | [FrameRateRange](#frameraterange)         | Yes | Frame rate range.  |
 
@@ -116,7 +116,7 @@ Defines the camera output capability.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
-| Name                          | Type                                              | Read Only| Description               |
+| Name                          | Type                                              | Mandatory| Description               |
 | ----------------------------- | -------------------------------------------------- | --- |------------------- |
 | previewProfiles               | Array<[Profile](#profile)\>                        | Yes | Supported preview profiles.   |
 | photoProfiles                 | Array<[Profile](#profile)\>                        | Yes | Supported shooting profiles.   |
@@ -171,8 +171,8 @@ Obtains supported cameras. This API uses a promise to return the result.
 **Example**
 
 ```js
-cameraManager.getSupportedCameras().then((cameraArray) => {
-    console.log(`Promise returned with an array of supported cameras: ${cameraArray.length}`);
+cameraManager.getSupportedCameras().then((cameras) => {
+    console.log(`Promise returned with an array of supported cameras: ${cameras.length}`);
 })
 ```
 
@@ -188,18 +188,21 @@ Obtains the output capability supported by a camera. This API uses an asynchrono
 
 | Name        | Type                                                           | Mandatory| Description                     |
 | ------------ |--------------------------------------------------------------- | -- | -------------------------- |
-| CameraDevice | [CameraDevice](#cameradevice)                              | Yes| Camera device.                      |
+| cameraDevice | [CameraDevice](#cameradevice)                              | Yes| Target camera, which is obtained through **getSupportedCameras**.      |
 | callback     | AsyncCallback<[CameraOutputCapability](#cameraoutputcapability)\> | Yes| Callback used to return the output capability.|
 
 **Example**
 
 ```js
-cameraManager.getSupportedOutputCapability(cameradevice, (err, cameras) => {
-    if (err) {
-        console.error(`Failed to get the cameras. ${err.message}`);
-        return;
-    }
-    console.log('Callback returned with an array of supported outputCapability');
+cameraManager.getSupportedCameras().then((cameras) => {
+    let cameraDevice = cameras[0];
+    cameraManager.getSupportedOutputCapability(cameraDevice, (err, CameraOutputCapability) => {
+        if (err) {
+            console.error(`Failed to get the outputCapability. ${err.message}`);
+            return;
+        }
+        console.log('Callback returned with an array of supported outputCapability');
+    })
 })
 ```
 
@@ -215,7 +218,7 @@ Obtains the output capability supported by a camera. This API uses a promise to
 
 | Name     | Type                             | Mandatory | Description       |
 | -------- | --------------------------------- | ---- | ---------- |
-| camera   | [CameraDevice](#cameradevice)     |  Yes | Camera device.  |
+| cameradevice   | [CameraDevice](#cameradevice)     |  Yes | Target camera, which is obtained through **getSupportedCameras**.  |
 
 **Return value**
 
@@ -226,8 +229,11 @@ Obtains the output capability supported by a camera. This API uses a promise to
 **Example**
 
 ```js
-cameraManager.getSupportedOutputCapability(cameradevice).then((cameraoutputcapability) => {
-    console.log('Promise returned with an array of supported outputCapability');
+cameraManager.getSupportedCameras().then((cameras) => {
+    let cameraDevice = cameras[0];
+    cameraManager.getSupportedOutputCapability(cameraDevice).then((cameraoutputcapability) => {
+        console.log('Promise returned with an array of supported outputCapability');
+    })
 })
 ```
 
@@ -250,7 +256,7 @@ Before calling the API, ensure that the camera can be muted. You can use [isCame
 **Example**
 
 ```js
-let ismuted = await cameraManager.isCameraMuted();
+let ismuted = cameraManager.isCameraMuted();
 ```
 
 ### isCameraMuteSupported
@@ -259,6 +265,8 @@ isCameraMuteSupported(): boolean
 
 Checks whether the camera can be muted.
 
+This is a system API.
+
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
 **Return value**
@@ -270,7 +278,7 @@ Checks whether the camera can be muted.
 **Example**
 
 ```js
-let ismutesuppotred = await cameraManager.isCameraMuteSupported();
+let ismutesuppotred = cameraManager.isCameraMuteSupported();
 ```
 
 ### muteCamera
@@ -279,6 +287,8 @@ muteCamera(mute: boolean): void
 
 Mutes or unmutes the camera.
 
+This is a system API.
+
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
 **Parameters**
@@ -290,6 +300,7 @@ Mutes or unmutes the camera.
 **Example**
 
 ```js
+let mute = true;
 cameraManager.muteCamera(mute);
 ```
 
@@ -299,8 +310,6 @@ createCameraInput(camera: CameraDevice, callback: AsyncCallback<CameraInput\>):
 
 Creates a **CameraInput** instance with the specified **CameraDevice** object. This API uses an asynchronous callback to return the result.
 
-This is a system API.
-
 **Required permissions**: ohos.permission.CAMERA
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
@@ -309,13 +318,14 @@ This is a system API.
 
 | Name    | Type                                        | Mandatory| Description                               |
 | -------- | ------------------------------------------- | ---- | --------------------------------- |
-| camera   | [CameraDevice](#cameradevice)               | Yes  | **CameraDevice** object.                       |
+| cameraDevice   | [CameraDevice](#cameradevice)               | Yes  | Target **CameraDevice** object, which is obtained through **getSupportedCameras**.  |
 | callback | AsyncCallback<[CameraInput](#camerainput)\> | Yes  | Callback used to return the **CameraInput** instance.   |
 
 **Example**
 
 ```js
-cameraManager.createCameraInput(camera, (err, cameraInput) => {
+let cameraDevice = cameras[0];
+cameraManager.createCameraInput(cameraDevice, (err, cameraInput) => {
     if (err) {
         console.error(`Failed to create the CameraInput instance. ${err.message}`);
         return;
@@ -326,12 +336,10 @@ cameraManager.createCameraInput(camera, (err, cameraInput) => {
 
 ### createCameraInput
 
-createCameraInput(camera: CameraDevice): Promise<CameraInput\>
+createCameraInput(cameraDevice: CameraDevice): Promise<CameraInput\>
 
 Creates a **CameraInput** instance with the specified **CameraDevice** object. This API uses a promise to return the result.
 
-This is a system API.
-
 **Required permissions**: ohos.permission.CAMERA
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
@@ -340,7 +348,7 @@ This is a system API.
 
 | Name    | Type                          | Mandatory| Description        |
 | -------- | ----------------------------- | ---- | ---------- |
-| camera   | [CameraDevice](#cameradevice) | Yes  | **CameraDevice** object.|
+| cameraDevice   | [CameraDevice](#cameradevice) | Yes  | Target **CameraDevice** object, which is obtained through **getSupportedCameras**.|
 
 **Return value**
 
@@ -351,7 +359,8 @@ This is a system API.
 **Example**
 
 ```js
-cameraManager.createCameraInput(camera).then((cameraInput) => {
+let cameraDevice = cameras[0];
+cameraManager.createCameraInput(cameraDevice).then((cameraInput) => {
     console.log('Promise returned with the CameraInput instance');
 })
 ```
@@ -362,8 +371,6 @@ createCameraInput(position: CameraPosition, type: CameraType, callback: AsyncCal
 
 Creates a **CameraInput** instance with the specified camera position and type. This API uses an asynchronous callback to return the result.
 
-This is a system API.
-
 **Required permissions**: ohos.permission.CAMERA
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
@@ -372,14 +379,17 @@ This is a system API.
 
 | Name    | Type                                       | Mandatory| Description                               |
 | -------- | ------------------------------------------- | ---- | --------------------------------- |
-| position | [CameraPosition](#cameraposition)           | Yes  | Camera position.                         |
-| type     | [CameraType](#cameratype)                   | Yes  | Camera type.                         |
+| position | [CameraPosition](#cameraposition)           | Yes  | Camera position, which is obtained through **getSupportedCameras**. This API obtains a **CameraDevice** object, which contains the camera position information. |
+| type     | [CameraType](#cameratype)                   | Yes  | Camera type, which is obtained through **getSupportedCameras**. This API obtains a **CameraDevice** object, which contains the camera type information. |
 | callback | AsyncCallback<[CameraInput](#camerainput)\> | Yes  | Callback used to return the **CameraInput** instance.   |
 
 **Example**
 
 ```js
-cameraManager.createCameraInput(camera.CameraPosition.CAMERA_POSITION_BACK, camera.CameraType.CAMERA_TYPE_UNSPECIFIED, (err, cameraInput) => {
+let cameraDevice = cameras[0];
+let position = cameraDevice.cameraPosition;
+let type = cameraDevice.cameraType;
+cameraManager.createCameraInput(position, type, (err, cameraInput) => {
     if (err) {
         console.error(`Failed to create the CameraInput instance. ${err.message}`);
         return;
@@ -394,8 +404,6 @@ createCameraInput(position: CameraPosition, type:CameraType ): Promise<CameraInp
 
 Creates a **CameraInput** instance with the specified camera position and type. This API uses a promise to return the result.
 
-This is a system API.
-
 **Required permissions**: ohos.permission.CAMERA
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
@@ -404,8 +412,8 @@ This is a system API.
 
 | Name    | Type                              | Mandatory| Description          |
 | -------- | --------------------------------- | ---- | ------------ |
-| position | [CameraPosition](#cameraposition) | Yes  | Camera position.    |
-| type     | [CameraType](#cameratype)         | Yes  | Camera type.    |
+| position | [CameraPosition](#cameraposition) | Yes  | Camera position, which is obtained through **getSupportedCameras**. This API obtains a **CameraDevice** object, which contains the camera position information.    |
+| type     | [CameraType](#cameratype)         | Yes  | Camera type, which is obtained through **getSupportedCameras**. This API obtains a **CameraDevice** object, which contains the camera type information.    |
 
 **Return value**
 
@@ -416,7 +424,10 @@ This is a system API.
 **Example**
 
 ```js
-cameraManager.createCameraInput(camera.CameraPosition.CAMERA_POSITION_BACK, camera.CameraType.CAMERA_TYPE_UNSPECIFIED).then((cameraInput) => {
+let cameraDevice = cameras[0];
+let position = cameraDevice.cameraPosition;
+let type = cameraDevice.cameraType;
+cameraManager.createCameraInput(position, type).then((cameraInput) => {
     console.log('Promise returned with the CameraInput instance');
 })
 ```
@@ -433,14 +444,15 @@ Creates a **PreviewOutput** instance. This API uses an asynchronous callback to
 
 | Name    | Type                                            | Mandatory| Description                             |
 | -------- | ----------------------------------------------- | ---- | ------------------------------- |
-| profile  | [Profile](#profile)                             | Yes  | Supported preview profile.               |
-| surfaceId| string | Yes  | Surface ID, which is obtained from **[XComponent](../arkui-ts/ts-basic-components-xcomponent.md)** or **[ImageReceiver](js-apis-image.md#imagereceiver9)**.|
+| profile  | [Profile](#profile)                             | Yes  | Supported preview profiles, which are obtained through **getSupportedOutputCapability**.|
+| surfaceId| string | Yes  | Surface ID, which is obtained from [XComponent](../arkui-ts/ts-basic-components-xcomponent.md) or [ImageReceiver](js-apis-image.md#imagereceiver9).|
 | callback | AsyncCallback<[PreviewOutput](#previewoutput)\>  | Yes  | Callback used to return the **PreviewOutput** instance.|
 
 **Example**
 
 ```js
-cameraManager.createPreviewOutput(profile, surfaceId, (err, previewoutput) => {
+let profile = cameraoutputcapability.previewProfiles[0];
+cameraManager.createPreviewOutput(profile, surfaceId, (err, previewOutput) => {
     if (err) {
         console.error(`Failed to gcreate previewOutput. ${err.message}`);
         return;
@@ -461,8 +473,8 @@ Creates a **PreviewOutput** instance. This API uses a promise to return the resu
 
 | Name    | Type                             | Mandatory| Description               |
 | -------- | ---------------------------------| ---- | ----------------- |
-| profile  | [Profile](#profile)              | Yes  | Supported preview profile. |
-| surfaceId| string | Yes  | Surface ID, which is obtained from **[XComponent](../arkui-ts/ts-basic-components-xcomponent.md)** or **[ImageReceiver](js-apis-image.md#imagereceiver9)**.|
+| profile  | [Profile](#profile)              | Yes  | Supported preview profiles, which are obtained through **getSupportedOutputCapability**.|
+| surfaceId| string | Yes  | Surface ID, which is obtained from [XComponent](../arkui-ts/ts-basic-components-xcomponent.md) or [ImageReceiver](js-apis-image.md#imagereceiver9).|
 
 **Return value**
 
@@ -473,7 +485,8 @@ Creates a **PreviewOutput** instance. This API uses a promise to return the resu
 **Example**
 
 ```js
-cameraManager.createPreviewOutput(profile, surfaceId).then((previewoutput) => {
+let profile = cameraoutputcapability.previewProfiles[0];
+cameraManager.createPreviewOutput(profile, surfaceId).then((previewOutput) => {
     console.log('Promise returned with previewOutput created.');
 })
 ```
@@ -490,14 +503,15 @@ Creates a **PhotoOutput** instance. This API uses an asynchronous callback to re
 
 | Name    | Type                                        | Mandatory| Description                                 |
 | -------- | ------------------------------------------- | ---- | ----------------------------------- |
-| profile  | [Profile](#profile)                         | Yes  | Supported shooting profile.                   |
-| surfaceId| string            | Yes  | Surface ID, which is obtained from **[ImageReceiver](js-apis-image.md#imagereceiver9)**.|
+| profile  | [Profile](#profile)                         | Yes  | Supported shooting profiles, which are obtained through **getSupportedOutputCapability**.|
+| surfaceId| string            | Yes  | Surface ID, which is obtained from [ImageReceiver](js-apis-image.md#imagereceiver9).|
 | callback | AsyncCallback<[PhotoOutput](#photooutput)\>  | Yes  | Callback used to return the **PhotoOutput** instance.   |
 
 **Example**
 
 ```js
-cameraManager.createPhotoOutput(profile, surfaceId, (err, photooutput) => {
+let profile = cameraoutputcapability.photoProfiles[0];
+cameraManager.createPhotoOutput(profile, surfaceId, (err, photoOutput) => {
     if (err) {
         console.error(`Failed to create photoOutput. ${err.message}`);
         return;
@@ -518,8 +532,8 @@ Creates a **PhotoOutput** instance. This API uses a promise to return the result
 
 | Name    | Type                              | Mandatory| Description        |
 | -------- | ---------------------------------| ---- | ----------- |
-| profile  | [Profile](#profile)              | Yes  | Supported shooting profile. |
-| surfaceId| string       | Yes  | Surface ID, which is obtained from **[ImageReceiver](js-apis-image.md#imagereceiver9)**.|
+| profile  | [Profile](#profile)              | Yes  | Supported shooting profiles, which are obtained through **getSupportedOutputCapability**.|
+| surfaceId| string       | Yes  | Surface ID, which is obtained from [ImageReceiver](js-apis-image.md#imagereceiver9).|
 
 **Return value**
 
@@ -530,7 +544,8 @@ Creates a **PhotoOutput** instance. This API uses a promise to return the result
 **Example**
 
 ```js
-cameraManager.createPhotoOutput(profile, surfaceId).then((photooutput) => {
+let profile = cameraoutputcapability.photoProfiles[0];
+cameraManager.createPhotoOutput(profile, surfaceId).then((photoOutput) => {
     console.log('Promise returned with photoOutput created.');
 })
 ```
@@ -547,14 +562,15 @@ Creates a **VideoOutput** instance. This API uses an asynchronous callback to re
 
 | Name    | Type                                       | Mandatory| Description                             |
 | -------- | ------------------------------------------- | ---- | ------------------------------ |
-| profile  | [VideoProfile](#videoprofile)               | Yes  | Supported video recording profile.              |
-| surfaceId| string          | Yes  | Surface ID, which is obtained from **[VideoRecorder](js-apis-media.md#videorecorder9)**.|
+| profile  | [VideoProfile](#videoprofile)               | Yes  | Supported video recording profiles, which are obtained through **getSupportedOutputCapability**.|
+| surfaceId| string          | Yes  | Surface ID, which is obtained from [VideoRecorder](js-apis-media.md#videorecorder9).|
 | callback | AsyncCallback<[VideoOutput](#videooutput)\>  | Yes  | Callback used to return the **VideoOutput** instance.|
 
 **Example**
 
 ```js
-cameraManager.createVideoOutput(profile, surfaceId, (err, videooutput) => {
+let profile = cameraoutputcapability.videoProfiles[0];
+cameraManager.createVideoOutput(profile, surfaceId, (err, videoOutput) => {
     if (err) {
         console.error(`Failed to create videoOutput. ${err.message}`);
         return;
@@ -575,8 +591,8 @@ Creates a **VideoOutput** instance. This API uses a promise to return the result
 
 | Name    | Type                             | Mandatory| Description        |
 | -------- | ---------------------------------| ---- | ---------- |
-| profile  | [VideoProfile](#videoprofile)    | Yes  | Supported video recording profile.  |
-| surfaceId| string        | Yes  | Surface ID, which is obtained from **[VideoRecorder](js-apis-media.md#videorecorder9)**.|
+| profile  | [VideoProfile](#videoprofile)    | Yes  | Supported video recording profiles, which are obtained through **getSupportedOutputCapability**.|
+| surfaceId| string        | Yes  | Surface ID, which is obtained from [VideoRecorder](js-apis-media.md#videorecorder9).|
 
 **Return value**
 
@@ -587,7 +603,8 @@ Creates a **VideoOutput** instance. This API uses a promise to return the result
 **Example**
 
 ```js
-cameraManager.createVideoOutput(profile, surfaceId).then((videooutput) => {
+let profile = cameraoutputcapability.videoProfiles[0];
+cameraManager.createVideoOutput(profile, surfaceId).then((videoOutput) => {
     console.log('Promise returned with videoOutput created.');
 })
 ```
@@ -604,13 +621,14 @@ Creates a **MetadataOutput** instance. This API uses an asynchronous callback to
 
 | Name                 | Type                                              | Mandatory| Description                         |
 | -------------------- | -------------------------------------------------- | --- | ---------------------------- |
-| metadataObjectTypes  | Array<[MetadataObjectType](#metadataobjecttype)\>  | Yes | Metadata object types.           |
+| metadataObjectTypes  | Array<[MetadataObjectType](#metadataobjecttype)\>  | Yes | Metadata object types, which are obtained through **getSupportedOutputCapability**.|
 | callback             | AsyncCallback<[MetadataOutput](#metadataoutput)\>  | Yes  | Callback used to return the **MetadataOutput** instance.   |
 
 **Example**
 
 ```js
-cameraManager.createMetadataOutput(metadataObjectTypes, (err, metadataoutput) => {
+let metadataObjectTypes = cameraoutputcapability.supportedMetadataObjectTypes;
+cameraManager.createMetadataOutput(metadataObjectTypes, (err, metadataOutput) => {
     if (err) {
         console.error(`Failed to create metadataOutput. ${err.message}`);
         return;
@@ -631,7 +649,7 @@ Creates a **MetadataOutput** instance. This API uses a promise to return the res
 
 | Name                 | Type                                              | Mandatory| Description                |
 | -------------------- | -------------------------------------------------- | --- | -------------------- |
-| metadataObjectTypes  | Array<[MetadataObjectType](#metadataobjecttype)\>  | Yes | Metadata object types.  |
+| metadataObjectTypes  | Array<[MetadataObjectType](#metadataobjecttype)\>  | Yes | Metadata object types, which are obtained through **getSupportedOutputCapability**. |
 
 **Return value**
 
@@ -642,7 +660,8 @@ Creates a **MetadataOutput** instance. This API uses a promise to return the res
 **Example**
 
 ```js
-cameraManager.createMetadataOutput().then((metadataoutput) => {
+let metadataObjectTypes = cameraoutputcapability.supportedMetadataObjectTypes;
+cameraManager.createMetadataOutput(metadataObjectTypes).then((metadataOutput) => {
     console.log('Promise returned with metadataOutput created.');
 })
 ```
@@ -664,7 +683,7 @@ Creates a **CaptureSession** instance. This API uses an asynchronous callback to
 **Example**
 
 ```js
-cameraManager.createCaptureSession((err, capturesession) => {
+cameraManager.createCaptureSession((err, captureSession) => {
     if (err) {
         console.error(`Failed to create captureSession. ${err.message}`);
         return;
@@ -690,7 +709,7 @@ Creates a **CaptureSession** instance. This API uses a promise to return the res
 **Example**
 
 ```js
-cameraManager.createCaptureSession().then((capturesession) => {
+cameraManager.createCaptureSession().then((captureSession) => {
     console.log('Promise returned with captureSession created.');
 })
 ```
@@ -729,6 +748,8 @@ on(type: 'cameraMute', callback: AsyncCallback<boolean\>): void
 
 Listens for camera mute status changes. This API uses an asynchronous callback to return the result.
 
+This is a system API.
+
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
 **Parameters**
@@ -736,12 +757,12 @@ Listens for camera mute status changes. This API uses an asynchronous callback t
 | Name    | Type            | Mandatory| Description      |
 | -------- | --------------- | ---- | --------- |
 | type     | string          | Yes  | Event type. The value is fixed at **'cameraMute'**, indicating the camera mute status change event.|
-| callback | boolean         | Yes  | Callback used to return the camera mute status.              |
+| callback | AsyncCallback<boolean> | Yes  | Callback used to return the camera mute status.              |
 
 **Example**
 
 ```js
-cameraManager.on('cameraMute', (err, cameraStatusInfo) => {
+cameraManager.on('cameraMute', (err, curMuetd) => {
     if (err) {
         console.error(`Failed to get cameraMute callback. ${err.message}`);
         return;
@@ -755,10 +776,10 @@ Describes the camera status information.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
-| Name  | Type                           | Description      |
-| ------ | ----------------------------- | ---------- |
-| camera | [CameraDevice](#cameradevice) | Camera object.|
-| status | [CameraStatus](#camerastatus) | Camera status.|
+| Name  | Type                           |     Mandatory    | Description      |
+| ------ | ----------------------------- | -------------- | ---------- |
+| camera | [CameraDevice](#cameradevice) |        Yes      | Camera object.|
+| status | [CameraStatus](#camerastatus) |        Yes       | Camera status.|
 
 ## CameraPosition
 
@@ -804,27 +825,13 @@ Defines the camera device information.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
-| Name          | Type                               | Read Only| Description       |
+| Name          | Type                               | Mandatory| Description       |
 | -------------- | --------------------------------- | ---- | ---------- |
 | cameraId       | string                            | Yes  | **CameraDevice** object.|
 | cameraPosition | [CameraPosition](#cameraposition) | Yes  | Camera position.   |
 | cameraType     | [CameraType](#cameratype)         | Yes  | Camera type.   |
 | connectionType | [ConnectionType](#connectiontype) | Yes  | Camera connection type.|
 
-**Example**
-
-```js
-async function getCameraInfo("cameraId") {
-    let cameraManager = await camera.getCameraManager(context);
-    let cameras = await cameraManager.getSupportedCameras();
-    let cameraObj = cameras[0];
-    let cameraId = cameraObj.cameraId;
-    let cameraPosition = cameraObj.cameraPosition;
-    let cameraType = cameraObj.cameraType;
-    let connectionType = cameraObj.connectionType;
-}
-```
-
 ## Size
 
 Enumerates the camera output capability.
@@ -853,7 +860,7 @@ Enumerates the camera output formats.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
-| Name                    | Default Value    | Description        |
+| Name                    | Value       | Description        |
 | ----------------------- | --------- | ------------ |
 | CAMERA_FORMAT_RGBA_8888 | 3         | RGB image.            |
 | CAMERA_FORMAT_YUV_420_SP| 1003      | YUV 420 SP image.     |
@@ -1009,7 +1016,7 @@ cameraInput.release().then(() => {
 
 ### on('error')
 
-on(type: 'error', camera:CameraDevice, callback: ErrorCallback<CameraInputError\>): void
+on(type: 'error', cameraDevice:CameraDevice, callback: ErrorCallback<CameraInputError\>): void
 
 Listens for **CameraInput** errors. This API uses a callback to return the result.
 
@@ -1020,13 +1027,14 @@ Listens for **CameraInput** errors. This API uses a callback to return the resul
 | Name    | Type                             | Mandatory| Description                                         |
 | -------- | -------------------------------- | --- | ------------------------------------------- |
 | type     | string                           | Yes  | Event type. The value is fixed at **'error'**, indicating the camera input error event.|
-| camera   | [CameraDevice](#cameradevice)    | Yes  | **CameraDevice** object.|
+| cameraDevice   | [CameraDevice](#cameradevice)    | Yes  | **CameraDevice** object.|
 | callback | ErrorCallback<[CameraInputError](#camerainputerror)\> | Yes  | Callback used to return the result.  |
 
 **Example**
 
 ```js
-cameraInput.on('error', camera, (cameraInputError) => {
+let cameraDevice = cameras[0];
+cameraInput.on('error', cameraDevice, (cameraInputError) => {
     console.log(`Camera input error code: ${cameraInputError.code}`);
 })
 ```
@@ -1052,9 +1060,9 @@ Defines an error object used for **[CameraInput](#camerainput)**.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
-| Name| Type                                          | Description                  |
-| ---- | --------------------------------------------- | --------------------- |
-| code | [CameraInputErrorCode](#camerainputerrorcode) | **CameraInput** error code.|
+| Name| Type                                          |     Mandatory    | Description                  |
+| ---- | --------------------------------------------- | ------------ |--------------------- |
+| code | [CameraInputErrorCode](#camerainputerrorcode) |       Yes    |**CameraInput** error code.|
 
 
 ## FlashMode
@@ -1334,9 +1342,9 @@ captureSession.removeInput(cameraInput).then(() => {
 
 ### addOutput
 
-addOutput\(cameraOutput: CameraOutput, callback: AsyncCallback<void\>\): void
+addOutput\(previewOutput: CameraOutput, callback: AsyncCallback<void\>\): void
 
-Adds a **[CameraOutput](#cameraoutput)** instance to this **CaptureSession**. This API uses an asynchronous callback to return the result.
+Adds a [CameraOutput](#cameraoutput) instance to this **CaptureSession**. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
@@ -1344,13 +1352,13 @@ Adds a **[CameraOutput](#cameraoutput)** instance to this **CaptureSession**. Th
 
 | Name          | Type                            | Mandatory| Description                     |
 | ------------- | ------------------------------- | ---- | ------------------------ |
-| cameraOutput  | [CameraOutput](#cameraoutput)   | Yes  | **CameraOutput** instance to add.|
+| previewOutput  | [PreviewOutput](#previewoutput)   | Yes  | **PreviewOutput** instance to add.|
 | callback      | AsyncCallback<void\>            | Yes  | Callback used to return the result.     |
 
 **Example**
 
 ```js
-captureSession.addOutput(cameraOutput, (err) => {
+captureSession.addOutput(previewOutput, (err) => {
     if (err) {
         console.error(`Failed to add output. ${err.message}`);
         return;
@@ -1361,9 +1369,9 @@ captureSession.addOutput(cameraOutput, (err) => {
 
 ### addOutput
 
-addOutput\(cameraOutput: CameraOutput\): Promise<void\>
+addOutput\(previewOutput: CameraOutput\): Promise<void\>
 
-Adds a **[CameraOutput](#cameraoutput)** instance to this **CaptureSession**. This API uses a promise to return the result.
+Adds a [CameraOutput](#cameraoutput) instance to this **CaptureSession**. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
@@ -1371,7 +1379,7 @@ Adds a **[CameraOutput](#cameraoutput)** instance to this **CaptureSession**. Th
 
 | Name          | Type                            | Mandatory| Description                      |
 | ------------- | ------------------------------- | ---- | ------------------------- |
-| cameraOutput  | [CameraOutput](#cameraoutput)   | Yes  | **CameraOutput** instance to add.|
+| previewOutput  | [PreviewOutput](#previewoutput)   | Yes  | **PreviewOutput** instance to add.|
 
 **Return value**
 
@@ -1382,16 +1390,16 @@ Adds a **[CameraOutput](#cameraoutput)** instance to this **CaptureSession**. Th
 **Example**
 
 ```js
-captureSession.addOutput(cameraOutput).then(() => {
+captureSession.addOutput(previewOutput).then(() => {
     console.log('Promise returned with cameraOutput added.');
 })
 ```
 
 ### removeOutput
 
-removeOutput\(cameraOutput: CameraOutput, callback: AsyncCallback<void\>\): void
+removeOutput\(previewOutput: CameraOutput, callback: AsyncCallback<void\>\): void
 
-Removes a **[CameraOutput](#cameraoutput)** instance from this **CaptureSession**. This API uses an asynchronous callback to return the result.
+Removes a [CameraOutput](#cameraoutput) instance from this **CaptureSession**. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
@@ -1399,13 +1407,13 @@ Removes a **[CameraOutput](#cameraoutput)** instance from this **CaptureSession*
 
 | Name          | Type                            | Mandatory| Description                     |
 | ------------- | ------------------------------- | ---- | ------------------------ |
-| cameraOutput  | [CameraOutput](#cameraoutput)   | Yes  | **CameraOutput** instance to remove.|
+| previewOutput  | [PreviewOutput](#previewoutput)   | Yes  | **PreviewOutput** instance to remove.|
 | callback      | AsyncCallback<void\>            | Yes  | Callback used to return the result.     |
 
 **Example**
 
 ```js
-captureSession.removeOutput(cameraOutput, (err) => {
+captureSession.removeOutput(previewOutput, (err) => {
     if (err) {
         console.error(`Failed to remove the CameraOutput instance. ${err.message}`);
         return;
@@ -1416,9 +1424,9 @@ captureSession.removeOutput(cameraOutput, (err) => {
 
 ### removeOutput
 
-removeOutput(cameraOutput: CameraOutput): Promise<void\>
+removeOutput(previewOutput: CameraOutput): Promise<void\>
 
-Removes a **[CameraOutput](#cameraoutput)** instance from this **CaptureSession**. This API uses a promise to return the result.
+Removes a [CameraOutput](#cameraoutput) instance from this **CaptureSession**. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
@@ -1426,7 +1434,7 @@ Removes a **[CameraOutput](#cameraoutput)** instance from this **CaptureSession*
 
 | Name          | Type                            | Mandatory| Description                     |
 | ------------- | ------------------------------- | ---- | ------------------------- |
-| cameraOutput  | [CameraOutput](#cameraoutput)   | Yes  | **CameraOutput** instance to remove.|
+| previewOutput  | [PreviewOutput](#previewoutput)   | Yes  | **PreviewOutput** instance to remove.|
 
 
 **Return value**
@@ -1439,7 +1447,7 @@ Removes a **[CameraOutput](#cameraoutput)** instance from this **CaptureSession*
 **Example**
 
 ```js
-captureSession.removeOutput(cameraOutput).then(() => {
+captureSession.removeOutput(previewOutput).then(() => {
     console.log('Promise returned to indicate that the CameraOutput instance is removed.');
 })
 ```
@@ -2106,8 +2114,8 @@ Obtains the exposure compensation values. This API uses a promise to return the
 **Example**
 
 ```js
-captureSession.isExposureModeSupported(camera.ExposureMode.EXPOSURE_MODE_LOCKED).then((isSupported) => {
-    console.log(`Promise returned with exposure mode supported : ${isSupported}`);
+captureSession.getExposureBiasRange().then((biasRangeArray) => {
+    console.log('Promise returned with the array of compenstation range: ' + JSON.stringify(biasRangeArray));
 })
 ```
 
@@ -2125,13 +2133,14 @@ Before the setting, you are advised to use **[getExposureBiasRange](#getexposure
 
 | Name    | Type                           | Mandatory| Description                |
 | -------- | -------------------------------| ---- | ------------------- |
-| exposureBias   | number                   | Yes  | Compensation value.           |
+| exposureBias   | number                   | Yes  | Compensation value. You can use **getExposureBiasRange** to obtain the supported values.|
 | callback | AsyncCallback<void\>           | Yes  | Callback used to return the result.|
 
 **Example**
 
 ```js
-captureSession.setExposureBias(-4,(err) => {
+let exposureBias = biasRangeArray[0];
+captureSession.setExposureBias(exposureBias,(err) => {
     if (err) {
         console.log(`Failed to set the exposure bias ${err.message}`);
         return ;
@@ -2154,7 +2163,7 @@ Before the setting, you are advised to use **[getExposureBiasRange](#getexposure
 
 | Name           | Type     | Mandatory| Description       |
 | -------------- | --------- | ---- | --------- |
-| exposureBias   | number    | Yes  | Compensation value. |
+| exposureBias   | number    | Yes  | Compensation value. You can use **getExposureBiasRange** to obtain the supported values. |
 
 **Return value**
 
@@ -2165,7 +2174,8 @@ Before the setting, you are advised to use **[getExposureBiasRange](#getexposure
 **Example**
 
 ```js
-captureSession.setExposureBias(-4).then(() => {
+let exposureBias = biasRangeArray[0];
+captureSession.setExposureBias(exposureBias).then(() => {
     console.log('Promise returned with the successful execution of setExposureBias.');
 })
 ```
@@ -2595,13 +2605,14 @@ Sets a zoom ratio. This API uses an asynchronous callback to return the result.
 
 | Name      | Type                 | Mandatory| Description                |
 | --------- | -------------------- | ---- | ------------------- |
-| zoomRatio | number               | Yes  | Zoom ratio.          |
+| zoomRatio | number               | Yes  | Zoom ratio. You can use **getZoomRatioRange** to obtain the supported values.|
 | callback  | AsyncCallback<void\> | Yes  | Callback used to return the result.|
 
 **Example**
 
 ```js
-captureSession.setZoomRatio(1, (err) => {
+let zoomRatio = zoomRatioRange[0];
+captureSession.setZoomRatio(zoomRatio, (err) => {
     if (err) {
         console.error(`Failed to set the zoom ratio value ${err.message}`);
         return;
@@ -2622,7 +2633,7 @@ Sets a zoom ratio. This API uses a promise to return the result.
 
 | Name      | Type   | Mandatory| Description      |
 | --------- | ------ | ---- | --------- |
-| zoomRatio | number | Yes  | Zoom ratio.|
+| zoomRatio | number | Yes  | Zoom ratio. You can use **getZoomRatioRange** to obtain the supported values.|
 
 **Return value**
 
@@ -2633,7 +2644,8 @@ Sets a zoom ratio. This API uses a promise to return the result.
 **Example**
 
 ```js
-captureSession.setZoomRatio(1).then(() => {
+let zoomRatio = zoomRatioRange[0];
+captureSession.setZoomRatio(zoomRatio).then(() => {
     console.log('Promise returned with the successful execution of setZoomRatio.');
 })
 ```
@@ -2902,45 +2914,49 @@ Defines a **CaptureSession** error.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
-| Name| Type                                       | Description                      |
-| ---- | ------------------------------------------- | -------------------------- |
-| code | [CaptureSessionError](#capturesessionerror) | **CaptureSession** error code.|
+| Name| Type                                       |        Mandatory          |        Description                      |
+| ---- | ------------------------------------------- | -------------------------- |-------------------------- |
+| code | [CaptureSessionError](#capturesessionerror) |         Yes            |**CaptureSession** error code.|
 
 ## CameraOutput
 
 Implements output information used in a **[CaptureSession](#capturesession)**. It is the base class of **output**.
 
-### release
+## PreviewOutput
 
-release(callback: AsyncCallback<void\>): void
+Implements preview output. It inherits **[CameraOutput](#cameraoutput)**.
 
-Releases output resources. This API uses an asynchronous callback to return the result.
+### start
+
+start(callback: AsyncCallback<void\>): void
+
+Starts to output preview streams. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
 **Parameters**
 
 | Name     | Type                 | Mandatory| Description                |
-| -------- | -------------------- | ---- | ------------------- |
+| -------- | -------------------- | ---- | -------------------- |
 | callback | AsyncCallback<void\> | Yes  | Callback used to return the result.|
 
 **Example**
 
 ```js
-cameraOutput.release((err) => {
+previewOutput.start((err) => {
     if (err) {
-        console.error(`Failed to release the PreviewOutput instance ${err.message}`);
+        console.error(`Failed to start the previewOutput. ${err.message}`);
         return;
     }
-    console.log('Callback invoked to indicate that the PreviewOutput instance is released successfully.');
-});
+    console.log('Callback returned with previewOutput started.');
+})
 ```
 
-### release
+### start
 
-release(): Promise<void\>
+start(): Promise<void\>
 
-Releases output resources. This API uses a promise to return the result.
+Starts to output preview streams. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
@@ -2953,20 +2969,16 @@ Releases output resources. This API uses a promise to return the result.
 **Example**
 
 ```js
-cameraOutput.release().then(() => {
-    console.log('Promise returned to indicate that the PreviewOutput instance is released successfully.');
+previewOutput.start().then(() => {
+    console.log('Promise returned with previewOutput started.');
 })
 ```
 
-## PreviewOutput
-
-Implements preview output. It inherits **[CameraOutput](#cameraoutput)**.
-
-### start
+### stop
 
-start(callback: AsyncCallback<void\>): void
+stop(callback: AsyncCallback<void\>): void
 
-Starts to output preview streams. This API uses an asynchronous callback to return the result.
+Stops outputting preview streams. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
@@ -2979,82 +2991,82 @@ Starts to output preview streams. This API uses an asynchronous callback to retu
 **Example**
 
 ```js
-previewOutput.start((err) => {
+previewOutput.stop((err) => {
     if (err) {
-        console.error(`Failed to start the previewOutput. ${err.message}`);
+        console.error(`Failed to stop the previewOutput. ${err.message}`);
         return;
     }
-    console.log('Callback returned with previewOutput started.');
+    console.log('Callback returned with previewOutput stopped.');
 })
 ```
 
-### start
+### stop
 
-start(): Promise<void\>
+stop(): Promise<void\>
 
-Starts to output preview streams. This API uses a promise to return the result.
+Stops outputting preview streams. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
 **Return value**
 
 | Type           | Description                    |
-| -------------- | ----------------------- |
+| -------------- | ------------------------ |
 | Promise<void\>| Promise used to return the result.|
 
 **Example**
 
 ```js
-previewOutput.start().then(() => {
-    console.log('Promise returned with previewOutput started.');
+previewOutput.stop().then(() => {
+    console.log('Callback returned with previewOutput stopped.');
 })
 ```
 
-### stop
+### release
 
-stop(callback: AsyncCallback<void\>): void
+release(callback: AsyncCallback<void\>): void
 
-Stops outputting preview streams. This API uses an asynchronous callback to return the result.
+Releases output resources. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
 **Parameters**
 
 | Name     | Type                 | Mandatory| Description                |
-| -------- | -------------------- | ---- | -------------------- |
+| -------- | -------------------- | ---- | ------------------- |
 | callback | AsyncCallback<void\> | Yes  | Callback used to return the result.|
 
 **Example**
 
 ```js
-previewOutput.stop((err) => {
+previewOutput.release((err) => {
     if (err) {
-        console.error(`Failed to stop the previewOutput. ${err.message}`);
+        console.error(`Failed to release the PreviewOutput instance ${err.message}`);
         return;
     }
-    console.log('Callback returned with previewOutput stopped.');
-})
+    console.log('Callback invoked to indicate that the PreviewOutput instance is released successfully.');
+});
 ```
 
-### stop
+### release
 
-stop(): Promise<void\>
+release(): Promise<void\>
 
-Stops outputting preview streams. This API uses a promise to return the result.
+Releases output resources. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
 **Return value**
 
 | Type           | Description                    |
-| -------------- | ------------------------ |
+| -------------- | ----------------------- |
 | Promise<void\>| Promise used to return the result.|
 
 **Example**
 
 ```js
-previewOutput.stop().then(() => {
-    console.log('Callback returned with previewOutput stopped.');
+previewOutput.release().then(() => {
+    console.log('Promise returned to indicate that the PreviewOutput instance is released successfully.');
 })
 ```
 
@@ -3143,9 +3155,9 @@ Defines the preview output error.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
-| Name| Type                                             | Description                  |
-| ---- | ------------------------------------------------- | ---------------------- |
-| code | [PreviewOutputErrorCode](#previewoutputerrorcode) | **PreviewOutput** error code.|
+| Name| Type                                             |        Mandatory      |          Description             |
+| ---- | ------------------------------------------------- | ---------------- |---------------------- |
+| code | [PreviewOutputErrorCode](#previewoutputerrorcode) |        Yes         |**PreviewOutput** error code.|
 
 ## ImageRotation
 
@@ -3191,16 +3203,16 @@ Defines the settings for photo capture.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
-| Name     | Type                           | Mandatory | Default Value            | Description             |
-| -------- | ------------------------------- | ---- | ----------------- | -----------------|
-| quality  | [QualityLevel](#qualitylevel)   | No  | QUALITY_LEVEL_HIGH| Photo quality.        |
-| rotation | [ImageRotation](#imagerotation) | No  | ROTATION_0        | Rotation angle of the photo.     |
-| location | [Location](#location)           | No  | (0,0,0)           | Geolocation information of the photo.  |
-| mirror   | boolean                         | No  | false             |Whether mirroring is enabled. By default, mirroring is disabled.|
+| Name     | Type                           | Mandatory | Description             |
+| -------- | ------------------------------- | ---- | -----------------|
+| quality  | [QualityLevel](#qualitylevel)   | No  | Photo quality.        |
+| rotation | [ImageRotation](#imagerotation) | No  | Rotation angle of the photo.     |
+| location | [Location](#location)           | No  | Geolocation information of the photo.  |
+| mirror   | boolean                         | No  |Whether mirroring is enabled. By default, mirroring is disabled.|
 
 ## PhotoOutput
 
-Implements output information used in a **CaptureSession**.
+Implements output information used in a shooting session. This class inherits from [CameraOutput](#cameraoutput).
 
 ### capture
 
@@ -3246,9 +3258,16 @@ Captures a photo with the specified shooting parameters. This API uses an asynch
 **Example**
 
 ```js
-let settings:PhotoCaptureSetting = {
-    quality = 1,
-    rotation = 0
+let captureLocation = {
+  latitude: 0,
+  longitude: 0,
+  altitude: 0,
+}
+let settings = {
+  quality: camera.QualityLevel.QUALITY_LEVEL_LOW,
+  rotation: camera.ImageRotation.ROTATION_0,
+  location: captureLocation,
+  mirror: false
 }
 photoOutput.capture(settings, (err) => {
     if (err) {
@@ -3314,6 +3333,54 @@ photoOutput.isMirrorSupported((err, isSupported) => {
 })
 ```
 
+### release
+
+release(callback: AsyncCallback<void\>): void
+
+Releases output resources. This API uses an asynchronous callback to return the result.
+
+**System capability**: SystemCapability.Multimedia.Camera.Core
+
+**Parameters**
+
+| Name     | Type                 | Mandatory| Description                |
+| -------- | -------------------- | ---- | ------------------- |
+| callback | AsyncCallback<void\> | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+photoOutput.release((err) => {
+    if (err) {
+        console.error(`Failed to release the PreviewOutput instance ${err.message}`);
+        return;
+    }
+    console.log('Callback invoked to indicate that the PreviewOutput instance is released successfully.');
+});
+```
+
+### release
+
+release(): Promise<void\>
+
+Releases output resources. This API uses a promise to return the result.
+
+**System capability**: SystemCapability.Multimedia.Camera.Core
+
+**Return value**
+
+| Type           | Description                    |
+| -------------- | ----------------------- |
+| Promise<void\>| Promise used to return the result.|
+
+**Example**
+
+```js
+photoOutput.release().then(() => {
+    console.log('Promise returned to indicate that the PreviewOutput instance is released successfully.');
+})
+```
+
 ### isMirrorSupported
 
 isMirrorSupported(): Promise<boolean\>
@@ -3471,13 +3538,13 @@ Defines a photo output error.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
-| Name| Type                                 | Description                   |
-| ---- | ------------------------------------- | ----------------------- |
-| code | [PhotoOutputErrorCode](#photooutputerrorcode) | **PhotoOutput** error code.|
+| Name| Type                                 |    Mandatory   |Description                   |
+| ---- | ------------------------------------- | --------- | ----------------------- |
+| code | [PhotoOutputErrorCode](#photooutputerrorcode) |        Yes       | **PhotoOutput** error code.|
 
 ## VideoOutput
 
-Implements output information used in a video recording session.
+Implements output information used in a video recording session. This class inherits from [CameraOutput](#cameraoutput).
 
 ### start
 
@@ -3576,6 +3643,54 @@ videoOutput.stop().then(() => {
 })
 ``` 
 
+### release
+
+release(callback: AsyncCallback<void\>): void
+
+Releases output resources. This API uses an asynchronous callback to return the result.
+
+**System capability**: SystemCapability.Multimedia.Camera.Core
+
+**Parameters**
+
+| Name     | Type                 | Mandatory| Description                |
+| -------- | -------------------- | ---- | ------------------- |
+| callback | AsyncCallback<void\> | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+videoOutput.release((err) => {
+    if (err) {
+        console.error(`Failed to release the PreviewOutput instance ${err.message}`);
+        return;
+    }
+    console.log('Callback invoked to indicate that the PreviewOutput instance is released successfully.');
+});
+```
+
+### release
+
+release(): Promise<void\>
+
+Releases output resources. This API uses a promise to return the result.
+
+**System capability**: SystemCapability.Multimedia.Camera.Core
+
+**Return value**
+
+| Type           | Description                    |
+| -------------- | ----------------------- |
+| Promise<void\>| Promise used to return the result.|
+
+**Example**
+
+```js
+videoOutput.release().then(() => {
+    console.log('Promise returned to indicate that the PreviewOutput instance is released successfully.');
+})
+```
+
 ### on('frameStart')
 
 on(type: 'frameStart', callback: AsyncCallback<void\>): void
@@ -3662,348 +3777,354 @@ Defines a video output error.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
-| Name| Type                                 | Description                   |
-| ---- | ------------------------------------- | ----------------------- |
-| code | [PhotoOutputErrorCode](#photooutputerrorcode) | **VideoOutput** error code.|
-
-## MetadataObjectType
-
-Enumerates metadata streams.
-
-**System capability**: SystemCapability.Multimedia.Camera.Core
-
-| Name                      | Value  | Description             |
-| ------------------------- | ---- | ----------------- |
-| FACE_DETECTION            | 0    | Metadata object type.|
-
-## Rect
-
-Defines a rectangle.
+| Name| Type                                 |       Mandatory      |           Description                   |
+| ---- | ------------------------------------- | ----------------- | ----------------------- |
+| code | [PhotoOutputErrorCode](#photooutputerrorcode) |            Yes          |  **VideoOutput** error code.|
 
-**System capability**: SystemCapability.Multimedia.Camera.Core
-
-| Name     | Type  | Description                |
-| -------- | ------ | -------------------- |
-| topLeftX | number | X-axis coordinate of the upper left corner of the rectangle.  |
-| topLeftY | number | Y-axis coordinate of the upper left corner of the rectangle.  |
-| width    | number | Width of the rectangle.             |
-| height   | number | Height of the rectangle.             |
-
-## MetadataObject
+## MetadataOutput
 
-Implements camera metadata, which is the data source of **[CameraInput](#camerainput)**.
+Implements metadata streams. It inherits **[CameraOutput](#cameraoutput)**.
 
-### getType
+### start
 
-getType(callback: AsyncCallback<MetadataObjectType\>): void
+start(callback: AsyncCallback<void\>): void
 
-Obtains the metadata object type. This API uses an asynchronous callback to return the result.
+Starts to output metadata. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
 **Parameters**
 
-| Name    | Type                                                      | Mandatory| Description                 |
-| -------- | --------------------------------------------------------- | --- | -------------------- |
-| callback | AsyncCallback<[MetadataObjectType](#metadataobjecttype)\> | Yes  | Callback used to return the result.|
+| Name    | Type                                                        | Mandatory| Description                |
+| -------- | ----------------------------------------------------------- | ---- | ------------------- |
+| callback | AsyncCallback<void\>                                       | Yes  | Callback used to return the result.|
 
 **Example**
 
 ```js
-metadataObject.getType((err, metadataObjectType) => {
+metadataOutput.start((err) => {
     if (err) {
-        console.error(`Failed to get type. ${err.message}`);
+        console.error(`Failed to start metadataOutput. ${err.message}`);
         return;
     }
-    console.log('Callback returned with an array of metadataObjectType.');
+    console.log('Callback returned with metadataOutput started.');
 })
 ```
 
-### getType
+### start
 
-getType(): Promise<MetadataObjectType\>
+start(): Promise<void\>
 
-Obtains the metadata object type. This API uses a promise to return the result.
+Starts to output metadata. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
 **Return value**
 
-| Type                                                | Description                       |
-| --------------------------------------------------- | --------------------------- |
-| Promise<[MetadataObjectType](#metadataobjecttype)\> | Promise used to return the result.|
+| Type                    | Description                    |
+| ----------------------  | ------------------------ |
+| Promise<void\>         | Promise used to return the result.|
 
 **Example**
 
 ```js
-metadataObject.getType().then((metadataObjectType) => {
-    console.log('Callback returned with an array of metadataObjectType.');
+metadataOutput.start().then(() => {
+    console.log('Callback returned with metadataOutput started.');
 })
 ```
 
-### getTimestamp
+### stop
 
-getTimestamp(callback: AsyncCallback<number\>): void
+stop(callback: AsyncCallback<void\>): void
 
-Obtains the metadata timestamp. This API uses an asynchronous callback to return the result.
+Stops outputting metadata. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
 **Parameters**
 
-| Name    | Type                                                        | Mandatory| Description                    |
-| -------- | ----------------------------------------------------------- | ---- | ------------------------ |
-| callback | AsyncCallback<number\>                                      | Yes  | Callback used to return the result.|
+| Name    | Type                        | Mandatory| Description                 |
+| -------- | -------------------------- | ---- | ------------------- |
+| callback | AsyncCallback<void\>       | Yes  | Callback used to return the result.|
 
 **Example**
 
 ```js
-metadataObject.getTimestamp((err,timestamp) => {
+metadataOutput.stop((err) => {
     if (err) {
-        console.error(`Failed to get timestamp. ${err.message}`);
+        console.error(`Failed to stop the metadataOutput. ${err.message}`);
         return;
     }
-    console.log('Callback returned with timestamp getted timestamp : ${timestamp}');
+    console.log('Callback returned with metadataOutput stopped.');
 })
 ```
 
-### getTimestamp
+### stop
 
-getTimestamp(): Promise<number\>
+stop(): Promise<void\>
 
-Obtains the metadata timestamp. This API uses a promise to return the result.
+Stops outputting metadata. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
 **Return value**
 
-| Type              | Description                       |
-| ----------------  | --------------------------- |
-| Promise<number)\> | Promise used to return the result.|
+| Type                   | Description                       |
+| ----------------------  | --------------------------- |
+| Promise<void\>        | Promise used to return the result.|
 
 **Example**
 
 ```js
-metadataObject.getTimestamp().then((timestamp) => {
-    console.log('Callback returned with timestamp getted timestamp : ${timestamp}');
+metadataOutput.stop().then(() => {
+    console.log('Callback returned with metadataOutput stopped.');
 })
 ```
 
-### getBoundingBox
+### on('metadataObjectsAvailable')
 
-getBoundingBox(callback: AsyncCallback<Rect\>): void
+on(type: 'metadataObjectsAvailable', callback: AsyncCallback<Array<MetadataObject\>\>): void
 
-Obtains the bounding box of metadata. This API uses an asynchronous callback to return the result.
+Listens for metadata objects. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
 **Parameters**
 
-| Name    | Type                                                        | Mandatory| Description                    |
-| -------- | ----------------------------------------------------------- | ---- | ------------------------ |
-| callback | AsyncCallback<[Rect](#rect)\>                               | Yes  | Callback used to return the result.|
+| Name     | Type                                                 | Mandatory| Description                                 |
+| -------- | ------------------------------------------------ | ---- | ------------------------------------ |
+| type     | string                            | Yes  | Event type. The value is fixed at **'metadataObjectsAvailable'**, that is, the metadata object.|
+| callback | Callback<Array<[MetadataObject](#metadataobject)\>\> | Yes  | Callback used to return the error information.              |
 
 **Example**
 
 ```js
-metadataObject.getBoundingBox((err, rect) => {
-    if (err) {
-        console.error(`Failed to get boundingBox. ${err.message}`);
-        return;
-    }
-    console.log('Callback returned with boundingBox getted.');
+metadataOutput.on('metadataObjectsAvailable', (metadataObjectArr) => {
+    console.log(`metadata output metadataObjectsAvailable`);
 })
 ```
 
-### getBoundingBox
+### on('error')
 
-getBoundingBox(): Promise<Rect\>
+on(type: 'error', callback: ErrorCallback<MetadataOutputError\>): void
 
-Obtains the bounding box of metadata. This API uses a promise to return the result.
+Listens for metadata errors. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
-**Return value**
+**Parameters**
 
-| Type                   | Description                       |
-| ----------------------  | --------------------------- |
-| Promise<[Rect](#rect)\> | Promise used to return the result.|
+| Name    | Type                                              | Mandatory| Description                                    |
+| -------- | ------------------------------------------------ | ---- | --------------------------------------- |
+| type     | string                                           | Yes  | Event type. The value is fixed at **'error'**, that is, the metadata error.|
+| callback | Callback<[MetadataOutputError](#metadataoutputerror)\> | Yes  | Callback used to return the error information.           |
 
 **Example**
 
 ```js
-metadataObject.getBoundingBox().then((rect) => {
-    console.log('Callback returned with boundingBox getted.');
+metadataOutput.on('error', (metadataOutputError) => {
+    console.log(`Metadata output error code: ${metadataOutputError.code}`);
 })
 ```
 
-## MetadataFaceObject
+## MetadataOutputErrorCode
 
-Implements the face object of metadata. It inherits [MetadataObject](#metadataobject).
+Enumerates the codes used for metadata output errors.
 
-## MetadataOutput
+**System capability**: SystemCapability.Multimedia.Camera.Core
 
-Implements metadata streams. It inherits **[CameraOutput](#cameraoutput)**.
+| Name                            | Value  | Description     |
+| ------------------------------- | ---- | -------- |
+| ERROR_UNKNOWN                   | -1   | Unknown error.|
+| ERROR_INSUFFICIENT_RESOURCES    | 0    | Insufficient resources.|
 
-### start
+## MetadataOutputError
 
-start(callback: AsyncCallback<void\>): void
+Defines a metadata output error.
 
-Starts to output metadata. This API uses an asynchronous callback to return the result.
+**System capability**: SystemCapability.Multimedia.Camera.Core
+
+| Name| Type                                 |      Mandatory     |               Description                   |
+| ---- | ------------------------------------- | ----------------- | ----------------------- |
+| code | [MetadataOutputErrorCode](#metadataoutputerrorcode) |        Yes         | **MetadataOutput** error code.|
+
+## MetadataObjectType
+
+Enumerates metadata streams.
+
+**System capability**: SystemCapability.Multimedia.Camera.Core
+
+| Name                      | Value  | Description             |
+| ------------------------- | ---- | ----------------- |
+| FACE_DETECTION            | 0    | Metadata object type.|
+
+## Rect
+
+Defines a rectangle.
+
+**System capability**: SystemCapability.Multimedia.Camera.Core
+
+| Name     | Type  |      Mandatory    |           Description                |
+| -------- | ------ | --------------- | -------------------- |
+| topLeftX | number |        Yes         | X-axis coordinate of the upper left corner of the rectangle.  |
+| topLeftY | number |         Yes         | Y-axis coordinate of the upper left corner of the rectangle.  |
+| width    | number |         Yes        | Width of the rectangle.             |
+| height   | number |         Yes          |Height of the rectangle.             |
+
+## MetadataObject
+
+Implements camera metadata, which is the data source of [CameraInput](#camerainput). The metadata is obtained through metadataOutput.on('metadataObjectsAvailable').
+
+### getType
+
+getType(callback: AsyncCallback<MetadataObjectType\>): void
+
+Obtains the metadata object type. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
 **Parameters**
 
-| Name    | Type                                                        | Mandatory| Description                |
-| -------- | ----------------------------------------------------------- | ---- | ------------------- |
-| callback | AsyncCallback<void\>                                       | Yes  | Callback used to return the result.|
+| Name    | Type                                                      | Mandatory| Description                 |
+| -------- | --------------------------------------------------------- | --- | -------------------- |
+| callback | AsyncCallback<[MetadataObjectType](#metadataobjecttype)\> | Yes  | Callback used to return the result.|
 
 **Example**
 
 ```js
-metadataOutput.start((err) => {
+let metadataObject = metadataObjectArr[0];
+metadataObject.getType((err, metadataObjectType) => {
     if (err) {
-        console.error(`Failed to start metadataOutput. ${err.message}`);
+        console.error(`Failed to get type. ${err.message}`);
         return;
     }
-    console.log('Callback returned with metadataOutput started.');
+    console.log('Callback returned with an array of metadataObjectType.');
 })
 ```
 
-### start
+### getType
 
-start(): Promise<void\>
+getType(): Promise<MetadataObjectType\>
 
-Starts to output metadata. This API uses a promise to return the result.
+Obtains the metadata object type. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
 **Return value**
 
-| Type                    | Description                    |
-| ----------------------  | ------------------------ |
-| Promise<void\>         | Promise used to return the result.|
+| Type                                                | Description                       |
+| --------------------------------------------------- | --------------------------- |
+| Promise<[MetadataObjectType](#metadataobjecttype)\> | Promise used to return the result.|
 
 **Example**
 
 ```js
-metadataOutput.start().then(() => {
-    console.log('Callback returned with metadataOutput started.');
+let metadataObject = metadataObjectArr[0];
+metadataObject.getType().then((metadataObjectType) => {
+    console.log('Callback returned with an array of metadataObjectType.');
 })
 ```
 
-### stop
+### getTimestamp
 
-stop(callback: AsyncCallback<void\>): void
+getTimestamp(callback: AsyncCallback<number\>): void
 
-Stops outputting metadata. This API uses an asynchronous callback to return the result.
+Obtains the metadata timestamp. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
 **Parameters**
 
-| Name    | Type                        | Mandatory| Description                 |
-| -------- | -------------------------- | ---- | ------------------- |
-| callback | AsyncCallback<void\>       | Yes  | Callback used to return the result.|
+| Name    | Type                                                        | Mandatory| Description                    |
+| -------- | ----------------------------------------------------------- | ---- | ------------------------ |
+| callback | AsyncCallback<number\>                                      | Yes  | Callback used to return the result.|
 
 **Example**
 
 ```js
-metadataOutput.stop((err) => {
+let metadataObject = metadataObjectArr[0];
+metadataObject.getTimestamp((err,timestamp) => {
     if (err) {
-        console.error(`Failed to stop the metadataOutput. ${err.message}`);
+        console.error(`Failed to get timestamp. ${err.message}`);
         return;
     }
-    console.log('Callback returned with metadataOutput stopped.');
+    console.log('Callback returned with timestamp getted timestamp : ${timestamp}');
 })
 ```
 
-### stop
+### getTimestamp
 
-stop(): Promise<void\>
+getTimestamp(): Promise<number\>
 
-Stops outputting metadata. This API uses a promise to return the result.
+Obtains the metadata timestamp. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
 **Return value**
 
-| Type                   | Description                       |
-| ----------------------  | --------------------------- |
-| Promise<void\>        | Promise used to return the result.|
+| Type              | Description                       |
+| ----------------  | --------------------------- |
+| Promise<number)\> | Promise used to return the result.|
 
 **Example**
 
 ```js
-metadataOutput.stop().then(() => {
-    console.log('Callback returned with metadataOutput stopped.');
+let metadataObject = metadataObjectArr[0];
+metadataObject.getTimestamp().then((timestamp) => {
+    console.log('Callback returned with timestamp getted timestamp : ${timestamp}');
 })
 ```
 
-### on('metadataObjectsAvailable')
+### getBoundingBox
 
-on(type: 'metadataObjectsAvailable', callback: AsyncCallback<Array<MetadataObject\>\>): void
+getBoundingBox(callback: AsyncCallback<Rect\>): void
 
-Listens for metadata objects. This API uses an asynchronous callback to return the result.
+Obtains the bounding box of metadata. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
 **Parameters**
 
-| Name     | Type                                                 | Mandatory| Description                                 |
-| -------- | ------------------------------------------------ | ---- | ------------------------------------ |
-| type     | string                            | Yes  | Event type. The value is fixed at **'metadataObjectsAvailable'**, that is, the metadata object.|
-| callback | Callback<Array<[MetadataObject](#metadataobject)\>\> | Yes  | Callback used to return the error information.              |
+| Name    | Type                                                        | Mandatory| Description                    |
+| -------- | ----------------------------------------------------------- | ---- | ------------------------ |
+| callback | AsyncCallback<[Rect](#rect)\>                               | Yes  | Callback used to return the result.|
 
 **Example**
 
 ```js
-metadataOutput.on('metadataObjectsAvailable', (metadataObject) => {
-    console.log(`metadata output error code: ${metadataObject.code}`);
+let metadataObject = metadataObjectArr[0];
+metadataObject.getBoundingBox((err, rect) => {
+    if (err) {
+        console.error(`Failed to get boundingBox. ${err.message}`);
+        return;
+    }
+    console.log('Callback returned with boundingBox getted.');
 })
 ```
 
-### on('error')
+### getBoundingBox
 
-on(type: 'error', callback: ErrorCallback<MetadataOutputError\>): void
+getBoundingBox(): Promise<Rect\>
 
-Listens for metadata errors. This API uses an asynchronous callback to return the result.
+Obtains the bounding box of metadata. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.Multimedia.Camera.Core
 
-**Parameters**
+**Return value**
 
-| Name    | Type                                              | Mandatory| Description                                    |
-| -------- | ------------------------------------------------ | ---- | --------------------------------------- |
-| type     | string                                           | Yes  | Event type. The value is fixed at **'error'**, that is, the metadata error.|
-| callback | Callback<[MetadataOutputError](#metadataoutputerror)\> | Yes  | Callback used to return the error information.           |
+| Type                   | Description                       |
+| ----------------------  | --------------------------- |
+| Promise<[Rect](#rect)\> | Promise used to return the result.|
 
 **Example**
 
 ```js
-metadataOutput.on('error', (metadataOutputError) => {
-    console.log(`Metadata output error code: ${metadataOutputError.code}`);
+let metadataObject = metadataObjectArr[0];
+metadataObject.getBoundingBox().then((rect) => {
+    console.log('Callback returned with boundingBox getted.');
 })
 ```
 
-## MetadataOutputErrorCode
-
-Enumerates the codes used for metadata output errors.
-
-**System capability**: SystemCapability.Multimedia.Camera.Core
-
-| Name                            | Value  | Description     |
-| ------------------------------- | ---- | -------- |
-| ERROR_UNKNOWN                   | -1   | Unknown error.|
-| ERROR_INSUFFICIENT_RESOURCES    | 0    | Insufficient resources.|
-
-## MetadataOutputError
-
-Defines a metadata output error.
-
-**System capability**: SystemCapability.Multimedia.Camera.Core
+## MetadataFaceObject
 
-| Name| Type                                 | Description                   |
-| ---- | ------------------------------------- | ----------------------- |
-| code | [MetadataOutputErrorCode](#metadataoutputerrorcode) | **MetadataOutput** error code.|
+Implements the face object of metadata. It inherits [MetadataObject](#metadataobject).
diff --git a/en/application-dev/reference/apis/js-apis-vibrator.md b/en/application-dev/reference/apis/js-apis-vibrator.md
index 95654a5829967c3e6f3be2be8c5daf3baf527386..cff7eed5a375d77355bf7f20d26b497bff57d7a9 100644
--- a/en/application-dev/reference/apis/js-apis-vibrator.md
+++ b/en/application-dev/reference/apis/js-apis-vibrator.md
@@ -1,6 +1,6 @@
 # Vibrator
 
-The **Vibrator** module provides APIs for triggering or stopping vibration.
+The **vibrator** module provides APIs for starting or stopping vibration.
 
 > **NOTE**
 >
@@ -17,7 +17,7 @@ import vibrator from '@ohos.vibrator';
 
 startVibration(effect: VibrateEffect, attribute: VibrateAttribute, callback: AsyncCallback&lt;void&gt;): void
 
-Triggers vibration with the specified effect and attribute. This API uses a promise to return the result.
+Starts vibration with the specified effect and attribute. This API uses an asynchronous callback to return the result.
 
 **Required permissions**: ohos.permission.VIBRATE
 
@@ -29,35 +29,35 @@ Triggers vibration with the specified effect and attribute. This API uses a prom
 | --------- | -------------------------------------- | ---- | :--------------------------------------------------------- |
 | effect    | [VibrateEffect](#vibrateeffect9)       | Yes  | Vibration effect.                                            |
 | attribute | [VibrateAttribute](#vibrateattribute9) | Yes  | Vibration attribute.                                            |
-| callback  | AsyncCallback&lt;void&gt;              | Yes  | Callback used to the result. If the vibration starts, **err** is **undefined**. Otherwise, **err** is an error object.|
+| callback  | AsyncCallback&lt;void&gt;              | Yes  | Callback used to return the result. If the vibration starts, **err** is **undefined**; otherwise, **err** is an error object.|
 
 **Error codes**
 
 For details about the error codes, see [Vibrator Error Codes](../errorcodes/errorcode-vibrator.md).
 
-| ID| Error Message                 |
-| -------- | ------------------------- |
-| 14600101 | Device operation failed.|
+| ID| Error Message                |
+| -------- | ------------------------ |
+| 14600101 | Device operation failed. |
 
 **Example**
 
 ```js
 try {
     vibrator.startVibration({
-    type:'time',
-    duration:1000,
-    },{
-        id:0,
+        type: 'time',
+        duration: 1000,
+    }, {
+        id: 0,
         usage: 'alarm'
-    }, (error)=>{
-        if(error){
-            console.log('vibrate fail, error.code: ' + error.code + 'error.message: ', + error.message);
-        }else{
-            console.log('Callback returned to indicate a successful vibration.');
+    }, (error) => {
+        if (error) {
+            console.error('vibrate fail, error.code: ' + error.code + 'error.message: ', + error.message);
+            return;
         }
+        console.log('Callback returned to indicate a successful vibration.');
     });
-} catch(err) {
-      console.info('errCode: ' + err.code + ' ,msg: ' + err.message);
+} catch (err) {
+    console.error('errCode: ' + err.code + ' ,msg: ' + err.message);
 }
 ```
 
@@ -65,7 +65,7 @@ try {
 
 startVibration(effect: VibrateEffect, attribute: VibrateAttribute): Promise&lt;void&gt;
 
-Triggers vibration with the specified effect and attribute. This API uses a promise to return the result.
+Starts vibration with the specified effect and attribute. This API uses a promise to return the result.
 
 **Required permissions**: ohos.permission.VIBRATE
 
@@ -88,27 +88,27 @@ Triggers vibration with the specified effect and attribute. This API uses a prom
 
 For details about the error codes, see [Vibrator Error Codes](../errorcodes/errorcode-vibrator.md).
 
-| ID| Error Message                 |
-| -------- | ------------------------- |
-| 14600101 | Device operation failed.|
+| ID| Error Message                |
+| -------- | ------------------------ |
+| 14600101 | Device operation failed. |
 
 **Example**
 
   ```js
 try {
     vibrator.startVibration({
-    type: 'time',
-    duration: 1000
+        type: 'time',
+        duration: 1000
     }, {
         id: 0,
         usage: 'alarm'
-    }).then(()=>{
+    }).then(() => {
         console.log('Promise returned to indicate a successful vibration');
-    }).catch((error)=>{
-        console.log('error.code' + error.code + 'error.message' + error.message);
-    })
-} catch(err) {
-      console.info('errCode: ' + err.code + ' ,msg: ' + err.message);
+    }, (error) => {
+        console.error('error.code' + error.code + 'error.message' + error.message);
+    });
+} catch (err) {
+    console.error('errCode: ' + err.code + ' ,msg: ' + err.message);
 }
   ```
 
@@ -116,7 +116,7 @@ try {
 
 stopVibration(stopMode: VibratorStopMode, callback: AsyncCallback&lt;void&gt;): void
 
-Stops the vibration with the specified **stopMode**. This API uses a promise to return the result. If the specified **stopMode** is different from the mode used to trigger the vibration, this API fails to be called.
+Stops vibration in the specified mode. This API uses an asynchronous callback to return the result.
 
 **Required permissions**: ohos.permission.VIBRATE
 
@@ -127,21 +127,41 @@ Stops the vibration with the specified **stopMode**. This API uses a promise to
 | Name  | Type                                 | Mandatory| Description                                                        |
 | -------- | ------------------------------------- | ---- | ------------------------------------------------------------ |
 | stopMode | [VibratorStopMode](#vibratorstopmode) | Yes  | Mode to stop the vibration.                                    |
-| callback | AsyncCallback&lt;void&gt;             | Yes  | Callback used to the result. If the vibration stops, **err** is **undefined**. Otherwise, **err** is an error object.|
+| callback | AsyncCallback&lt;void&gt;             | Yes  | Callback used to return the result. If the vibration stops, **err** is **undefined**; otherwise, **err** is an error object.|
 
 **Example**
 
   ```js
 try {
-    vibrator.stopVibration(vibrator.VibratorStopMode.VIBRATOR_STOP_MODE_PRESET, function(error){
-        if(error){
+    // Start vibration at a fixed duration.
+    vibrator.startVibration({
+        type: 'time',
+        duration: 1000,
+    }, {
+        id: 0,
+        usage: 'alarm'
+    }, (error) => {
+        if (error) {
+            console.error('vibrate fail, error.code: ' + error.code + 'error.message: ', + error.message);
+            return;
+        }
+        console.log('Callback returned to indicate a successful vibration.');
+    });
+} catch (err) {
+    console.error('errCode: ' + err.code + ' ,msg: ' + err.message);
+}
+
+try {
+    // Stop vibration in VIBRATOR_STOP_MODE_TIME mode.
+    vibrator.stopVibration(vibrator.VibratorStopMode.VIBRATOR_STOP_MODE_TIME, function (error) {
+        if (error) {
             console.log('error.code' + error.code + 'error.message' + error.message);
-        }else{
-            console.log('Callback returned to indicate successful.');
+            return;
         }
+        console.log('Callback returned to indicate successful.');
     })
-} catch(err) {
-      console.info('errCode: ' + err.code + ' ,msg: ' + err.message);
+} catch (err) {
+    console.info('errCode: ' + err.code + ' ,msg: ' + err.message);
 }
   ```
 
@@ -149,7 +169,7 @@ try {
 
 stopVibration(stopMode: VibratorStopMode): Promise&lt;void&gt;
 
-Stops the vibration with the specified **stopMode**. This API uses a promise to return the result. If the specified **stopMode** is different from the mode used to trigger the vibration, this API fails to be called.
+Stops vibration in the specified mode. This API uses a promise to return the result.
 
 **Required permissions**: ohos.permission.VIBRATE
 
@@ -171,25 +191,43 @@ Stops the vibration with the specified **stopMode**. This API uses a promise to
 
   ```js
 try {
-    vibrator.stopVibration(vibrator.VibratorStopMode.VIBRATOR_STOP_MODE_PRESET).then(()=>{
-    console.log('Promise returned to indicate a successful vibration.');
-    }, (error)=>{
+    // Start vibration at a fixed duration.
+    vibrator.startVibration({
+        type: 'time',
+        duration: 1000
+    }, {
+        id: 0,
+        usage: 'alarm'
+    }).then(() => {
+        console.log('Promise returned to indicate a successful vibration');
+    }, (error) => {
+        console.error('error.code' + error.code + 'error.message' + error.message);
+    });
+} catch (err) {
+    console.error('errCode: ' + err.code + ' ,msg: ' + err.message);
+}
+
+try {
+    // Stop vibration in VIBRATOR_STOP_MODE_TIME mode.
+    vibrator.stopVibration(vibrator.VibratorStopMode.VIBRATOR_STOP_MODE_PRESET).then(() => {
+        console.log('Promise returned to indicate a successful vibration.');
+    }, (error) => {
         console.log('error.code' + error.code + 'error.message' + error.message);
     });
-} catch(err) {
-      console.info('errCode: ' + err.code + ' ,msg: ' + err.message);
+} catch (err) {
+    console.info('errCode: ' + err.code + ' ,msg: ' + err.message);
 }
   ```
 
 ## EffectId
 
-Describes the vibration effect ID.
+Describes the preset vibration effect ID.
 
 **System capability**: SystemCapability.Sensors.MiscDevice
 
-| Name              | Default Value              | Description              |
-| ------------------ | -------------------- | ------------------ |
-| EFFECT_CLOCK_TIMER | "haptic.clock.timer" | Preset vibration effect ID.|
+| Name              | Value                  | Description                            |
+| ------------------ | -------------------- | -------------------------------- |
+| EFFECT_CLOCK_TIMER | "haptic.clock.timer" | Vibration effect of the vibrator when a user adjusts the timer.|
 
 
 ## VibratorStopMode
@@ -198,10 +236,10 @@ Enumerates the modes available to stop the vibration.
 
 **System capability**: SystemCapability.Sensors.MiscDevice
 
-| Name                     | Default Value  | Description                                                        |
-| ------------------------- | -------- | ------------------------------------------------------------ |
-| VIBRATOR_STOP_MODE_TIME   | "time"   | The vibration to stop is in **duration** mode. This vibration is triggered with the parameter **duration** of the **number** type.|
-| VIBRATOR_STOP_MODE_PRESET | "preset" | The vibration to stop is in **EffectId** mode. This vibration is triggered with the parameter **effectId** of the **EffectId** type.|
+| Name                     | Value      | Description                          |
+| ------------------------- | -------- | ------------------------------ |
+| VIBRATOR_STOP_MODE_TIME   | "time"   | The vibration to stop is in **duration** mode.|
+| VIBRATOR_STOP_MODE_PRESET | "preset" | The vibration to stop is in **EffectId** mode.|
 
 ## VibrateEffect<sup>9+</sup>
 
@@ -220,7 +258,7 @@ Describes the vibration with the specified duration.
 
 **System capability**: SystemCapability.Sensors.MiscDevice
 
-| Name    | Default Value| Description                          |
+| Name    | Value| Description                          |
 | -------- | ------ | ------------------------------ |
 | type     | "time" | Vibration with the specified duration.|
 | duration | -      | Vibration duration, in ms.        |
@@ -231,7 +269,7 @@ Describes the vibration with a preset effect.
 
 **System capability**: SystemCapability.Sensors.MiscDevice
 
-| Name    | Default Value  | Description                          |
+| Name    | Value      | Description                          |
 | -------- | -------- | ------------------------------ |
 | type     | "preset" | Vibration with the specified effect.|
 | effectId | -        | Preset vibration effect ID.            |
@@ -243,7 +281,7 @@ Describes the vibration attribute.
 
 **System capability**: SystemCapability.Sensors.MiscDevice
 
-| Name | Default Value| Description          |
+| Name | Value| Description          |
 | ----- | ------ | -------------- |
 | id    | 0      | Vibrator ID.    |
 | usage | -      | Vibration scenario.|
@@ -293,9 +331,9 @@ This API is deprecated since API version 9. You are advised to use [vibrator.sta
 **Example**
 
   ```js
-vibrator.vibrate(1000).then(()=>{
+vibrator.vibrate(1000).then(() => {
     console.log('Promise returned to indicate a successful vibration.');
-}, (error)=>{
+}, (error) => {
     console.log('error.code' + error.code + 'error.message' + error.message);
 });
   ```
@@ -317,15 +355,15 @@ This API is deprecated since API version 9. You are advised to use [vibrator.sta
 | Name  | Type                     | Mandatory| Description                                                      |
 | -------- | ------------------------- | ---- | ---------------------------------------------------------- |
 | duration | number                    | Yes  | Vibration duration, in ms.                                    |
-| callback | AsyncCallback&lt;void&gt; | No  | Callback used to the result. If the vibration starts, **err** is **undefined**. Otherwise, **err** is an error object.|
+| callback | AsyncCallback&lt;void&gt; | No  | Callback used to return the result. If the vibration starts, **err** is **undefined**; otherwise, **err** is an error object.|
 
 **Example**
 
   ```js
-vibrator.vibrate(1000,function(error){
-    if(error){
+vibrator.vibrate(1000, function (error) {
+    if (error) {
         console.log('error.code' + error.code + 'error.message' + error.message);
-    }else{
+    } else {
         console.log('Callback returned to indicate a successful vibration.');
     }
 })
@@ -359,9 +397,9 @@ This API is deprecated since API version 9. You are advised to use [vibrator.sta
 **Example**
 
   ```js
-vibrator.vibrate(vibrator.EffectId.EFFECT_CLOCK_TIMER).then(()=>{
+vibrator.vibrate(vibrator.EffectId.EFFECT_CLOCK_TIMER).then(() => {
     console.log('Promise returned to indicate a successful vibration.');
-}, (error)=>{
+}, (error) => {
     console.log('error.code' + error.code + 'error.message' + error.message);
 });
   ```
@@ -384,15 +422,15 @@ This API is deprecated since API version 9. You are advised to use [vibrator.sta
 | Name  | Type                     | Mandatory| Description                                                      |
 | -------- | ------------------------- | ---- | ---------------------------------------------------------- |
 | effectId | [EffectId](#effectid)     | Yes  | Preset vibration effect ID.                                        |
-| callback | AsyncCallback&lt;void&gt; | No  | Callback used to the result. If the vibration starts, **err** is **undefined**. Otherwise, **err** is an error object.|
+| callback | AsyncCallback&lt;void&gt; | No  | Callback used to return the result. If the vibration starts, **err** is **undefined**; otherwise, **err** is an error object.|
 
 **Example**
 
   ```js
-vibrator.vibrate(vibrator.EffectId.EFFECT_CLOCK_TIMER, function(error){
-    if(error){
+vibrator.vibrate(vibrator.EffectId.EFFECT_CLOCK_TIMER, function (error) {
+    if (error) {
         console.log('error.code' + error.code + 'error.message' + error.message);
-    }else{
+    } else {
         console.log('Callback returned to indicate a successful vibration.');
     }
 })
@@ -402,7 +440,7 @@ vibrator.vibrate(vibrator.EffectId.EFFECT_CLOCK_TIMER, function(error){
 
 stop(stopMode: VibratorStopMode): Promise&lt;void&gt;
 
-Stops the vibration with the specified **stopMode**. This API uses a promise to return the result. If the specified **stopMode** is different from the mode used to trigger the vibration, this API fails to be called.
+Stops vibration in the specified mode. This API uses a promise to return the result.
 
 This API is deprecated since API version 9. You are advised to use [vibrator.stopVibration](#vibratorstopvibration9-1) instead.
 
@@ -425,9 +463,18 @@ This API is deprecated since API version 9. You are advised to use [vibrator.sto
 **Example**
 
   ```js
-vibrator.stop(vibrator.VibratorStopMode.VIBRATOR_STOP_MODE_PRESET).then(()=>{
+// Start vibration based on the specified effect ID.
+vibrator.vibrate(vibrator.EffectId.EFFECT_CLOCK_TIMER, function (error) {
+    if (error) {
+        console.log('error.code' + error.code + 'error.message' + error.message);
+    } else {
+        console.log('Callback returned to indicate a successful vibration.');
+    }
+})
+// Stop vibration in VIBRATOR_STOP_MODE_PRESET mode.
+vibrator.stop(vibrator.VibratorStopMode.VIBRATOR_STOP_MODE_PRESET).then(() => {
     console.log('Promise returned to indicate a successful vibration.');
-}, (error)=>{
+}, (error) => {
     console.log('error.code' + error.code + 'error.message' + error.message);
 });
   ```
@@ -437,7 +484,7 @@ vibrator.stop(vibrator.VibratorStopMode.VIBRATOR_STOP_MODE_PRESET).then(()=>{
 
 stop(stopMode: VibratorStopMode, callback?: AsyncCallback&lt;void&gt;): void
 
-Stops the vibration with the specified **stopMode**. This API uses a promise to return the result. If the specified **stopMode** is different from the mode used to trigger the vibration, this API fails to be called.
+Stops vibration in the specified mode. This API uses an asynchronous callback to return the result.
 
 This API is deprecated since API version 9. You are advised to use [vibrator.stopVibration](#vibratorstopvibration9) instead.
 
@@ -450,15 +497,24 @@ This API is deprecated since API version 9. You are advised to use [vibrator.sto
 | Name  | Type                                 | Mandatory| Description                                                        |
 | -------- | ------------------------------------- | ---- | ------------------------------------------------------------ |
 | stopMode | [VibratorStopMode](#vibratorstopmode) | Yes  | Mode to stop the vibration.                                    |
-| callback | AsyncCallback&lt;void&gt;             | No  | Callback used to the result. If the vibration stops, **err** is **undefined**. Otherwise, **err** is an error object.|
+| callback | AsyncCallback&lt;void&gt;             | No  | Callback used to return the result. If the vibration stops, **err** is **undefined**; otherwise, **err** is an error object.|
 
 **Example**
 
   ```js
-vibrator.stop(vibrator.VibratorStopMode.VIBRATOR_STOP_MODE_PRESET, function(error){
-    if(error){
+// Start vibration based on the specified effect ID.
+vibrator.vibrate(vibrator.EffectId.EFFECT_CLOCK_TIMER, function (error) {
+    if (error) {
+        console.log('error.code' + error.code + 'error.message' + error.message);
+    } else {
+        console.log('Callback returned to indicate a successful vibration.');
+    }
+})
+// Stop vibration in VIBRATOR_STOP_MODE_PRESET mode.
+vibrator.stop(vibrator.VibratorStopMode.VIBRATOR_STOP_MODE_PRESET, function (error) {
+    if (error) {
         console.log('error.code' + error.code + 'error.message' + error.message);
-    }else{
+    } else {
         console.log('Callback returned to indicate successful.');
     }
 })