Merge branch 'master' of gitee.com:openharmony/docs into docs/0929

Signed-off-by: Nsienna1128 <lixiaoyan45@huawei.com>

CODEOWNERS

@@ -231,7 +231,7 @@ zh-cn/application-dev/reference/apis/js-apis-audio.md @zengyawen
 zh-cn/application-dev/reference/apis/js-apis-camera.md @zengyawen
 zh-cn/application-dev/reference/apis/js-apis-image.md @zengyawen
 zh-cn/application-dev/reference/apis/js-apis-media.md @zengyawen
-zh-cn/application-dev/reference/apis/js-apis-medialibrary.md @qinxiaowang
+zh-cn/application-dev/reference/apis/js-apis-medialibrary.md @zengyawen
 zh-cn/application-dev/reference/apis/js-apis-i18n.md @HelloCrease
 zh-cn/application-dev/reference/apis/js-apis-intl.md @HelloCrease
 zh-cn/application-dev/reference/apis/js-apis-resource-manager.md @HelloCrease
@@ -366,3 +366,6 @@ zh-cn/application-dev/reference/js-service-widget-ui @HelloCrease
 zh-cn/application-dev/website.md @zengyawen
 zh-cn/application-dev/faqs/ @zengyawen
 zh-cn/application-dev/reference/apis/js-apis-useriam-faceauth.md @zengyawen
+zh-cn/application-dev/reference/apis/js-apis-userfilemanager.md @zengyawen
+zh-cn/application-dev/reference/apis/js-apis-cryptoFramework.md @zengyawen
+zh-cn/application-dev/reference/apis/Readme-CN.md @zengyawen
\ No newline at end of file

OAT.xml

@@ -66,7 +66,7 @@
                 <!--filteritem type="filename" name="*.uvwxyz" desc="Describe the reason for filtering scan results"/-->
                 <!--filteritem type="filepath" name="abcdefg/.*.uvwxyz" desc="Describe the reason for filtering scan results"/-->
                 <!--filteritem type="filepath" name="projectroot/[a-zA-Z0-9]{20,}.sh" desc="Temp files"/-->
-				<filteritem type="filename" name="*.jpg|*.png|*.gif|*.pdf|*.xlsm" desc="already checked"/>
+				<filteritem type="filename" name="*.jpg|*.png|*.gif|*.pdf|*.xlsm|*.zip" desc="already checked"/>
             </filefilter>
 
         </filefilterlist>

en/application-dev/ability/stage-call.md

@@ -81,7 +81,7 @@ import Ability from '@ohos.application.Ability'
 ```ts
 export default class MySequenceable {
     num: number = 0
-    str: String = ""
+    str: string = ""
 
     constructor(num, string) {
         this.num = num

en/application-dev/database/database-mdds-overview.md

@@ -6,100 +6,98 @@ Applications save data to distributed databases by calling the DDS APIs. The DDS
 
 You do not need to care about the implementation of the database locking mechanism.
 
+
 ## Basic Concepts
 
--   **KV data model**
+### KV Data Model
 
-    The key-value \(KV\) data model allows data to be organized, indexed, and stored in key-value pairs.
+The key-value (KV) data model allows data to be organized, indexed, and stored in KV pairs.
 
-    The KV data model is suitable for storing service data that is not related. It provides better read and write performance than the SQL database. The KV data model is widely used in distributed scenarios because it handles database version compatibility issues and data synchronization conflicts easily. The distributed database is based on the KV data model and provides KV-based access interfaces.
+The KV data model is suitable for storing service data that is not related. It provides better read and write performance than the SQL database. The KV data model is widely used in distributed scenarios because it handles database version compatibility issues and data synchronization conflicts easily. The distributed database is based on the KV data model and provides KV-based access interfaces.
 
--   **Distributed database transactions**
+### Distributed Database Transaction
 
-    Distributed database transactions include local transactions \(same as the transactions of traditional databases\) and synchronization transactions. Synchronization transactions allow data to be synchronized between devices by local transaction. Synchronization of a local transaction modification either succeeds or fails on all the devices.
+Distributed database transactions include local transactions (same as the transactions of traditional databases) and synchronization transactions. Synchronization transactions allow data to be synchronized between devices by local transaction. Synchronization of a local transaction modification either succeeds or fails on all the devices.
 
--   **Distributed database consistency**
+### Distributed Database Consistency
 
-    In a distributed scenario, cross-device collaboration demands consistent data between the devices in the same network. The data consistency can be classified into the following types:
+In a distributed scenario, cross-device collaboration demands consistent data between the devices in the same network. The data consistency can be classified into the following types:
 
-    -   **Strong consistency**: When data is inserted, deleted, or modified on a device, other devices in the same network will obtain the latest data immediately.
-    -   **Weak consistency**: When data is added, deleted, or modified on a device, other devices in the same network may or may not obtain the latest data. The data on these devices may be inconsistent after a certain period of time.
-    -   **Eventual consistency**: When data is added, deleted, or modified on a device, other devices in the same network may not obtain the latest data immediately. However, data on these devices will become consistent after a certain period of time.
+- **Strong consistency**: When data is inserted, deleted, or modified on a device, other devices in the same network will obtain the latest data immediately.
+- **Weak consistency**: When data is added, deleted, or modified on a device, other devices in the same network may or may not obtain the latest data. The data on these devices may be inconsistent after a certain period of time.
+- **Eventual consistency**: When data is added, deleted, or modified on a device, other devices in the same network may not obtain the latest data immediately. However, data on these devices will become consistent after a certain period of time.
 
-    Strong consistency has high requirements on distributed data management and may be used in distributed server deployment. The DDS supports only the eventual consistency because mobile devices are not always online and the network has no center.
+Strong consistency has high requirements on distributed data management and may be used in distributed server deployment. The DDS supports only the eventual consistency because mobile devices are not always online and the network has no center.
 
--   **Distributed database synchronization**
+### Distributed Database Synchronization
 
-    After discovering and authenticating a device, the underlying communication component notifies the upper-layer application \(including the DDS\) that the device goes online. The DDS then establishes an encrypted transmission channel to synchronize data between the two devices.
+After discovering and authenticating a device, the underlying communication component notifies the upper-layer application (including the DDS) that the device goes online. The DDS then establishes an encrypted transmission channel to synchronize data between the two devices.
 
-    The DDS provides the following synchronization modes:
+The DDS provides the following synchronization modes:
 
-    -   **Manual synchronization**: Applications call  **sync**  to trigger a synchronization. The list of devices to be synchronized and the synchronization mode must be specified. The synchronization mode can be  **PULL\_ONLY**  \(pulling remote data to the local end\),  **PUSH\_ONLY**  \(pushing local data to the remote end\), or  **PUSH\_PULL**  \(pushing local data to the remote end and pulling remote data to the local end\). The internal interface supports condition-based synchronization. The data that meets the conditions can be synchronized to the remote end.
-    -   **Automatic synchronization**: includes full synchronization and condition-based subscription synchronization. In full synchronization, the distributed database automatically pushes local data to the remote end and pulls remote data to the local end when a device goes online or application data is updated. Applications do not need to call  **sync**. The internal interface supports condition-based subscription synchronization. The data that meets the subscription conditions on the remote end is automatically synchronized to the local end.
+- **Manual synchronization**: Applications call **sync()** to trigger a synchronization. The list of devices to be synchronized and the synchronization mode must be specified. The synchronization mode can be **PULL_ONLY** (pulling remote data to the local end), **PUSH_ONLY** (pushing local data to the remote end), or **PUSH_PULL** (pushing local data to the remote end and pulling remote data to the local end). The internal interface supports condition-based synchronization. The data that meets the conditions can be synchronized to the remote end.
+- **Automatic synchronization**: includes full synchronization and condition-based subscription synchronization. In full synchronization, the distributed database automatically pushes local data to the remote end and pulls remote data to the local end when a device goes online or application data is updated. Applications do not need to call **sync()**. The internal interface supports condition-based subscription synchronization. The data that meets the subscription conditions on the remote end is automatically synchronized to the local end.
 
--   **Single KV store**
+### Single KV Store
 
-    Data is saved locally in the unit of a single KV entry. Only one entry is saved for each key. Data can be modified only locally and synchronized to remote devices in sequence based on the update time.
+Data is saved locally in the unit of a single KV entry. Only one entry is saved for each key. Data can be modified only locally and synchronized to remote devices in sequence based on the update time.
 
--   **Device KV store**
+### Device KV Store
 
-    The device KV store is based on the single KV store. The local device ID is added to the key when KV data is stored in the device KV store. Data can be isolated, managed, and queried by device. However, the data synchronized from remote devices cannot be modified locally.
+The device KV store is based on the single KV store. The local device ID is added to the key when KV data is stored in the device KV store. Data can be isolated, managed, and queried by device. However, the data synchronized from remote devices cannot be modified locally.
 
--   **Conflict resolution**
+### Conflict Resolution
 
-    A data conflict occurs when multiple devices modify the same data and commit the modification to the database. The last write wins \(LWW\) is the default conflict resolution policy used for data conflicts. Based on the commit timestamps, the data with a later timestamp is used. Currently, customized conflict resolution policies are not supported.
+A data conflict occurs when multiple devices modify the same data and commit the modification to the database. The last write wins (LWW) is the default conflict resolution policy used for data conflicts. Based on the commit timestamps, the data with a later timestamp is used. Currently, customized conflict resolution policies are not supported.
 
--   **Schema-based database management and data query based on predicates**
+### Schema-based Database Management and Predicate-based Data Query 
 
-    A schema is specified when you create or open a single KV store. Based on the schema, the database detects the value format of key-value pairs and checks the value structure. Based on the fields in the values, the database implements index creation and predicate-based query.
+A schema is specified when you create or open a single KV store. Based on the schema, the database detects the value format of KV pairs and checks the value structure. Based on the fields in the values, the database implements index creation and predicate-based query.
 
--   **Distributed database backup**
+### Distributed Database Backup
 
-    The DDS provides the database backup capability. You can set  **backup**  to  **true**  to enable daily backup. If a distributed database is damaged, the DDS deletes the database and restores the most recent data from the backup database. If no backup database is available, the DDS creates one. The DDS can also back up encrypted databases.
+The DDS provides the database backup capability. You can set **backup** to **true** to enable daily backup. If a distributed database is damaged, the DDS deletes the database and restores the most recent data from the backup database. If no backup database is available, the DDS creates one. The DDS can also back up encrypted databases.
 
 
 ## Working Principles
 
-The DDS supports distributed management of application database data in the OpenHarmony system. Data can be synchronized between multiple devices with the same account, delivering a consistent user experience across devices. The DDS consists of the following:
-
--   **APIs**
-
-    The DDS provides APIs to create databases, access data, and subscribe to data. The APIs support the KV data model and common data types. They are highly compatible and easy to use, and can be released.
-
--   **Service component**
+The DDS supports distributed management of application database data in the OpenHarmony system. Data can be synchronized between multiple devices with the same account, delivering a consistent user experience across devices. 
 
-    The service component implements management of metadata, permissions, encryption, backup and restore, and multiple users, and completes initialization of the storage component, synchronization component, and communication adaptation layer of the distributed database.
+The DDS consists of the following:
 
--   **Storage component**
+- **APIs**<br>The DDS provides APIs to create databases, access data, and subscribe to data. The APIs support the KV data model and common data types. They are highly compatible and easy to use, and can be released.
 
-    The storage component implements data access, data reduction, transactions, snapshots, database encryption, data combination, and conflict resolution.
+- **Service component**<br>The service component implements management of metadata, permissions, encryption, backup and restore, and multiple users, and completes initialization of the storage component, synchronization component, and communication adaptation layer of the distributed database.
 
--   **Synchronization component**
+- **Storage component**<br>The storage component implements data access, data reduction, transactions, snapshots, database encryption, data combination, and conflict resolution.
 
-    The synchronization component interacts with the storage component and the communication adaptation layer to maintain data consistency between online devices. It synchronizes data generated on the local device to other devices and merges data from other devices into the local device.
-
--   **Communication adaptation layer**
-
-    The communication adaptation layer calls APIs of the underlying public communication layer to create and connect to communication channels, receive device online and offline messages, update metadata of the connected and disconnected devices, send device online and offline messages to the synchronization component. The synchronization component updates the list of connected devices, and calls the APIs of the communication adaption layer to encapsulate data and send the data to the connected devices.
+- **Synchronization component**<br>The synchronization component interacts with the storage component and the communication adaptation layer to maintain data consistency between online devices. It synchronizes data generated on the local device to other devices and merges data from other devices into the local device.
 
+- **Communication adaptation layer**<br>The communication adaptation layer calls APIs of the underlying public communication layer to create and connect to communication channels, receive device online and offline messages, update metadata of the connected and disconnected devices, send device online and offline messages to the synchronization component. The synchronization component updates the list of connected devices, and calls the APIs of the communication adaption layer to encapsulate data and send the data to the connected devices.
 
 Applications call the DDS APIs to create, access, and subscribe to distributed databases. The APIs store data to the storage component based on the capabilities provided by the service component. The storage component interacts with the synchronization component to synchronize data. The synchronization component uses the communication adaptation layer to synchronize data to remote devices, which update the data in the storage component and provide the data for applications through service APIs.
 
-**Figure  1**  How DDS works<a name="fig9151258063"></a>  
+
+**Figure 1** How DDS works
 
 
 ![](figures/en-us_image_0000001183386164.png)
 
+
 ## Constraints
 
 - The DDS supports the KV data model only. It does not support foreign keys or triggers of the relational database.
+
 - The KV data model specifications supported by the DDS are as follows:
+
   - For each record in a device KV store, the key must be less than or equal to 896 bytes and the value be less than 4 MB.
   - For each record in a single KV store, the key must be less than or equal to 1 KB and the value be less than 4 MB.
   - An application can open a maximum of 16 KV stores simultaneously.
 
 - The data that needs to be synchronized between devices should be stored in distributed databases rather than local databases.
+
 - The DDS does not support customized conflict resolution policies.
+
 - The maximum number of access requests to the KvStore API is 1000 per second and 10000 per minute. The maximum number of access requests to the KvManager API is 50 per second and 500 per minute.
--   Blocking operations, such as modifying UI components, are not allowed in the distributed database event callback.
 
+- Blocking operations, such as modifying UI components, are not allowed in the distributed database event callback.

en/application-dev/database/database-relational-guidelines.md

@@ -196,14 +196,38 @@ Table 15 Transaction APIs
 
    (3) Create an RDB store.
 
-   The sample code is as follows:
+   FA model:
 
     ```js
    import data_rdb from '@ohos.data.rdb'
+    // Obtain the context.
+   import featureAbility from '@ohos.ability.featureAbility'
+   let context = featureAbility.getContext()
+
+   const CREATE_TABLE_TEST = "CREATE TABLE IF NOT EXISTS test (" + "id INTEGER PRIMARY KEY AUTOINCREMENT, " + "name TEXT NOT NULL, " + "age INTEGER, " + "salary REAL, " + "blobType BLOB)";
+
+   const STORE_CONFIG = { name: "RdbTest.db" }
+   data_rdb.getRdbStore(context, STORE_CONFIG, 1, function (err, rdbStore) {
+      rdbStore.executeSql(CREATE_TABLE_TEST)
+      console.info('create table done.')
+   })
+    ```
+    Stage model:
+     ```ts
+   import data_rdb from '@ohos.data.rdb'
+    // Obtain the context.
+   import Ability from '@ohos.application.Ability'
+   let context = null
+   class MainAbility extends Ability {
+       onWindowStageCreate(windowStage) {
+         context = this.context
+       }
+   }
 
    const CREATE_TABLE_TEST = "CREATE TABLE IF NOT EXISTS test (" + "id INTEGER PRIMARY KEY AUTOINCREMENT, " + "name TEXT NOT NULL, " + "age INTEGER, " + "salary REAL, " + "blobType BLOB)";
+
    const STORE_CONFIG = { name: "rdbstore.db" }
-    data_rdb.getRdbStore(this.context, STORE_CONFIG, 1, function (err, rdbStore) {
+   data_rdb.getRdbStore(context, STORE_CONFIG, 1, function (err, rdbStore) {
        rdbStore.executeSql(CREATE_TABLE_TEST)
        console.info('create table done.')
    })

en/application-dev/device/sensor-guidelines.md

@@ -26,70 +26,30 @@
 | -------- | -------- | -------- |
 | ohos.sensor | sensor.on(sensorType, callback:AsyncCallback<Response>): void | Subscribes to data changes of a type of sensor.|
 | ohos.sensor | sensor.once(sensorType, callback:AsyncCallback<Response>): void | Subscribes to only one data change of a type of sensor.|
-| ohos.sensor | sensor.off(sensorType, callback:AsyncCallback<void>): void | Unsubscribes from sensor data changes.|
+| ohos.sensor | sensor.off(sensorType, callback?:AsyncCallback<void>): void | Unsubscribes from sensor data changes.|
 
 
 ## How to Develop
 
-1. To obtain data from a type of sensor, configure the requested permissions in the **config.json** file.  
+1. Before obtaining data from a type of sensor, check whether the required permission has been configured.<br>
+     The system provides the following sensor-related permissions:
+   - ohos.permission.ACCELEROMETER
 
-   ```
-   "reqPermissions": [
-      {
-        "name": "ohos.permission.ACCELEROMETER",
-        "reason": "",
-        "usedScene": {
-          "ability": [
-            "sensor.index.MainAbility",
-            ".MainAbility"
-          ],
-          "when": "inuse"
-        }
-      },
-      {
-        "name": "ohos.permission.GYROSCOPE",
-        "reason": "",
-        "usedScene": {
-          "ability": [
-            "sensor.index.MainAbility",
-            ".MainAbility"
-          ],
-          "when": "inuse"
-        }
-      },
-      {
-        "name": "ohos.permission.ACTIVITY_MOTION",
-        "reason": "ACTIVITY_MOTION_TEST",
-        "usedScene": {
-          "ability": [
-            "sensor.index.MainAbility",
-            ".MainAbility"
-          ],
-          "when": "inuse"
-        }
-      },
-      {
-        "name": "ohos.permission.READ_HEALTH_DATA",
-        "reason": "HEALTH_DATA_TEST",
-        "usedScene": {
-          "ability": [
-            "sensor.index.MainAbility",
-            ".MainAbility"
-          ],
-          "when": "inuse"
-        }
-      }
-    ]
-   ```
+   - ohos.permission.GYROSCOPE
+
+   - ohos.permission.ACTIVITY_MOTION
+
+   - ohos.permission.READ_HEALTH_DATA
+
+   For details about how to configure a permission, see [Declaring Permissions](../security/accesstoken-guidelines.md).
    
 2. Subscribe to data changes of a type of sensor.
   
    ```
-   import sensor from "@ohos.sensor"
-   sensor.on(sensor.sensorType.SENSOR_TYPE_ACCELEROMETER,function(data){
-          console.info("Subscription succeeded. data = " + data); // The call is successful, and the obtained sensor data is printed.
-     }
-   );
+   import sensor from "@ohos.sensor";
+   sensor.on(sensor.SensorType.SENSOR_TYPE_ID_ACCELEROMETER, function(data){
+      console.info("Data obtained successfully. x: " + data.x + "y: " + data.y + "z: " + data.z); // Data is obtained.
+   });
    ```
    
    The following figure shows the successful call result when **SensorType** is **SENSOR_TYPE_ID_ACCELEROMETER**.
@@ -99,11 +59,8 @@
 3. Unsubscribe from sensor data changes.
   
    ```
-   import sensor from "@ohos.sensor"
-   sensor.off(sensor.sensorType.SENSOR_TYPE_ACCELEROMETER,function() {
-       console.info("Succeeded in unsubscribing from acceleration sensor data."); // The unsubscription is successful, and the result is printed.
-     }
-   );
+   import sensor from "@ohos.sensor";
+   sensor.off(sensor.SensorType.SENSOR_TYPE_ID_ACCELEROMETER);
    ```
    
    The following figure shows the successful call result when **SensorType** is **SENSOR_TYPE_ID_ACCELEROMETER**.
@@ -113,11 +70,10 @@
 4. Subscribe to only one data change of a type of sensor.
   
    ```
-   import sensor from "@ohos.sensor"
-   sensor.once(sensor.sensorType.SENSOR_TYPE_ACCELEROMETER,function(data) {
-           console.info("Data obtained successfully. data=" + data); // The call is successful, and the obtained sensor data is printed.
-     }
-   );
+   import sensor from "@ohos.sensor";
+   sensor.once(sensor.SensorType.SENSOR_TYPE_ID_ACCELEROMETER, function(data) {
+      console.info("Data obtained successfully. x: " + data.x + "y: " + data.y + "z: " + data.z); // Data is obtained.
+   });
    ```
    
    The following figure shows the successful call result when **SensorType** is **SENSOR_TYPE_ID_ACCELEROMETER**.
@@ -127,11 +83,12 @@
    If the API fails to be called, you are advised to use the **try/catch** statement to capture error information that may occur in the code. Example:
 
     ```
+   import sensor from "@ohos.sensor";
     try {
-      sensor.once(sensor.sensorType.SENSOR_TYPE_ACCELEROMETER,function(data) {
-          console.info("Data obtained successfully. data=" + data); // The call is successful, and the obtained sensor data is printed.
+      sensor.once(sensor.SensorType.SENSOR_TYPE_ID_ACCELEROMETER, function(data) {
+          console.info("Data obtained successfully. x: " + data.x + "y: " + data.y + "z: " + data.z); // Data is obtained.
       });
     } catch (error) {
-      console.error(error);
+      console.error("Failed to get sensor data");
     }
     ```
\ No newline at end of file

en/application-dev/device/sensor-overview.md

@@ -52,15 +52,12 @@ The following modules work cooperatively to implement OpenHarmony sensors: Senso
 
 1. To obtain data of the following sensors, you must claim the required permissions.
 
-    Table 7 Sensor data permissions
-
-| Sensor                      | Permission                             | Sensitivity        | Permission Description                   |
-| ------------------------- | -------------------------------- | ------------ | ----------------------- |
-| Acceleration sensor, uncalibrated acceleration sensor, and linear acceleration sensor| ohos.permission.ACCELEROMETER    | system_grant | Allows an application to subscribe to data of these acceleration-related sensors in the motion category.|
-| Gyroscope sensor and uncalibrated gyroscope sensor         | ohos.permission.GYROSCOPE        | system_grant | Allows an application to subscribe to data of the gyroscope-related sensors in the motion category.|
-| Pedometer sensor                      | ohos.permission.ACTIVITY_MOTION  | user_grant   | Allows an application to subscribe to the motion status.               |
-| Heart rate sensor                      | ohos.permission.READ_HEALTH_DATA | user_grant   | Allows an application to read health data.               |
-
-
+    | Sensor                      | Permission                             | Sensitivity        | Permission Description                   |
+    | ------------------------- | -------------------------------- | ------------ | ----------------------- |
+    | Acceleration sensor, uncalibrated acceleration sensor, and linear acceleration sensor| ohos.permission.ACCELEROMETER    | system_grant | Allows an application to subscribe to data of these acceleration-related sensors in the motion category.|
+    | Gyroscope sensor and uncalibrated gyroscope sensor         | ohos.permission.GYROSCOPE        | system_grant | Allows an application to subscribe to data of the gyroscope-related sensors in the motion category.|
+    | Pedometer sensor                      | ohos.permission.ACTIVITY_MOTION  | user_grant   | Allows an application to subscribe to the motion status.               |
+    | Heart rate sensor                      | ohos.permission.READ_HEALTH_DATA | user_grant   | Allows an application to read health data.               |
     
 2. The APIs for subscribing to and unsubscribing from sensor data work in pairs. If you do not need sensor data, call the unsubscription API to stop sensor data reporting.
+    

en/application-dev/device/vibrator-guidelines.md

@@ -22,42 +22,7 @@ For details about the APIs, see [Vibrator](../reference/apis/js-apis-vibrator.md
 
 ## How to Develop
 
-1. Declare the permissions required for controlling vibrators on the hardware device in the `config.json` file.  
-
-   ```
-   "reqPermissions": [
-       {
-           "name": "ohos.permission.ACCELEROMETER",
-           "reason": "",
-           "usedScene": {
-               "ability": [
-                   ".MainAbility"
-               ],
-               "when": "inuse"
-           }
-       },
-       {
-           "name": "ohos.permission.VIBRATE",
-           "reason": "",
-           "usedScene": {
-               "ability": [
-                   ".MainAbility"
-               ],
-               "when": "inuse"
-           }
-       },
-       {
-           "name": "ohos.permission.ACTIVITY_MOTION",
-           "reason": "",
-           "usedScene": {
-               "ability": [
-                   ".MainAbility"
-               ],
-               "when": "inuse"
-           }
-       }
-   ]
-   ```
+1. Before using the vibrator on a device, you must declare the **ohos.permission.VIBRATE** permission. For details about how to configure a permission, see [Declaring Permissions](../security/accesstoken-guidelines.md).
 
 2. Trigger the device to vibrate.
 

en/application-dev/device/vibrator-overview.md

@@ -23,4 +23,4 @@ The vibrator is a Misc device that consists of four modules: Vibrator API, Vibra
 
 ## Constraints
 
-When using a vibrator, you must declare the **ohos.permission.VIBRATE** permission before you can control the vibration effect. The authorization mode of this permission is **system_grant**.
+When using a vibrator, you must declare the **ohos.permission.VIBRATE** permission before you can control the vibration effect.

en/application-dev/quick-start/package-structure.md

@@ -232,7 +232,6 @@ Table 11 Internal structure of the module tag
 | distroFilter    | Application distribution rules.<br>AppGallery uses these rules to distribute HAP files to the matching devices. Distribution rules cover three factors: API version, screen shape, and screen resolution. AppGallery distributes a HAP file to the device whose on the mapping between **deviceType** and these three factors. For details, see Table 29. | Object      | Yes (initial value: left empty)<br/>Set this attribute when an application has multiple entry modules. |
 | reqCapabilities | Device capabilities required for running the application.                              | String array| Yes (initial value: left empty)                                            |
 | commonEvents    | Static broadcast. For details, see Table 35.                                        | Object array  | Yes (initial value: left empty)                                            |
-| allowClassMap   | Metadata of the HAP file. The value can be **true** or **false**. If the value is **true**, the HAP file uses the Java object proxy mechanism provided by the OpenHarmony framework. | Boolean    | No (initial value: **false**)                                     |
 | entryTheme      | Keyword of an OpenHarmony internal theme. Set it to the resource index of the name.| String    | Yes (initial value: left empty)                                          |
 
 Example of the **module** tag structure:
@@ -348,7 +347,7 @@ Table 17 Internal structure of the abilities attribute
 | Attribute        | Description                                                        | Data Type  | Initial Value Allowed                                              |
 | ---------------- | ------------------------------------------------------------ | ---------- | -------------------------------------------------------- |
 | process          | Name of the process running the application or ability. If the **process** attribute is configured in the **deviceConfig** tag, all abilities of the application run in this process. You can set the **process** attribute for a specific ability in the **abilities** attribute, so that the ability can run in the particular process. If this attribute is set to the name of the process running other applications, all these applications can run in the same process, provided they have the same unified user ID and the same signature. Devices running OpenHarmony do not support this attribute.| String    | Yes (initial value: left empty)                                    |
-| name             | Name of the ability. The value is a reverse domain name, in the format of "*Bundle name*.*Class name*", for example, **"com.example.myapplication.MainAbility"**. Alternatively, the value can start with a period (.) followed by the class name, for example, **".MainAbility"**.<br> The ability name must be unique in an application. This attribute applies only to the default, tablet, smart TV, head unit, and wearable device types.<br> Note: When you use DevEco Studio to create a project, the configuration of the first ability is generated by default, including the **MainAbility.java** file and the class name **MainAbility** defaulted in the **name** string for the **abilities** attribute in **config.json**. The value of this attribute can be customized if you use other IDE tools. The value can contain a maximum of 127 characters.| String    | No                                                      |
+| name             | Name of the ability. The value is a reverse domain name, in the format of "*Bundle name*.*Class name*", for example, **"com.example.myapplication.MainAbility"**. Alternatively, the value can start with a period (.) followed by the class name, for example, **".MainAbility"**.<br> The ability name must be unique in an application. This attribute applies only to the default, tablet, smart TV, head unit, and wearable device types.<br> Note: If you use DevEco Studio to create the project, an ability named **MainAbility** will be created together with the default configuration in the **config.json** file. The value of this attribute can be customized if you use other IDE tools. The value can contain a maximum of 127 characters.| String    | No                                                      |
 | description      | Description of the ability. The value can be a string or a resource index to descriptions in multiple languages. The value can contain a maximum of 255 characters.| String    | Yes (initial value: left empty)                                    |
 | icon             | Index to the ability icon file. Example value: **$media:ability_icon**. In the **skills** attribute of the ability, if the **actions** value contains **action.system.home** and the **entities** value contains **entity.system.home**, the icon of the ability is also used as the icon of the application. If multiple abilities address this condition, the icon of the first candidate ability is used as the application icon.<br> Note: The **icon** and **label** values of an application are visible to users. Ensure that at least one of them is different from any existing icons or labels.| String    | Yes (initial value: left empty)                                    |
 | label            | Ability name visible to users. The value can be a name string or a resource index to names in multiple languages. In the **skills** attribute of the ability, if the **actions** value contains **action.system.home** and the **entities** value contains **entity.system.home**, the label of the ability is also used as the label of the application. If multiple abilities address this condition, the label of the first candidate ability is used as the application label.<br> Note: The **icon** and **label** values of an application are visible to users. Ensure that at least one of them is different from any existing icons or labels. The value can be a reference to a string defined in a resource file or a string enclosed in brackets ({}). The value can contain a maximum of 255 characters.| String    | Yes (initial value: left empty)                                    |
@@ -372,7 +371,7 @@ Table 17 Internal structure of the abilities attribute
 | supportPipMode   | Whether the ability allows the user to enter the Picture in Picture (PiP) mode. The PiP mode enables the user to watch a video in a small window that hovers on top of a full screen window (main window). This attribute applies only to the ability using the Page template. This attribute applies only to the default, tablet, smart TV, head unit, and wearable device types.| Boolean  | Yes (initial value: **false**)                               |
 | formsEnabled     | Whether the ability can provide forms. This attribute applies only to the ability using the Page template.<br>**true**: This ability can provide forms.<br>**false**: This ability cannot provide forms.| Boolean  | Yes (initial value: **false**)                               |
 | forms            | Details about the forms used by the ability. This attribute is valid only when **formsEnabled** is set to **true**. For details, see Table 27.| Object array  | Yes (initial value: left empty)                                    |
-| srcLanguage      | Programming language used to develop the ability.                                     | String    | The value can be **java**, **js**, or **ets**.                                     |
+| srcLanguage      | Programming language used to develop the ability.                                     | String    | The value can be  **js**, or **ets**.                                     |
 | srcPath          | Path of the JS code and components corresponding to the ability.                       | String    | Yes (initial value: left empty)                                    |
 | uriPermission    | Application data that the ability can access. This attribute consists of the **mode** and **path** sub-attributes. This attribute is valid only for the capability of the type provider. Devices running OpenHarmony do not support this attribute. For details, see Table 18.| Object      | Yes (initial value: left empty)                                    |
 | startWindowIcon | Index to the icon file of the ability startup page. Example value: **$media:icon**. | String       | Yes (initial value: left empty)                              |
@@ -587,12 +586,10 @@ Table 27 Internal structure of the forms attribute
 | name                | Class name of the widget. The value is a string with a maximum of 127 bytes.                   | String    | No                      |
 | description         | Description of the widget. The value can be a string or a resource index to descriptions in multiple languages. The value is a string with a maximum of 255 bytes.| String    | Yes (initial value: left empty)      |
 | isDefault           | Whether the widget is a default one. Each ability has only one default widget.<br>**true**: The widget is the default one.<br>**false**: The widget is not the default one.| Boolean    | No                      |
-| type                | Type of the widget. Available values are as follows:<br>**Java**: indicates a Java-programmed widget.<br>**JS**: indicates a JavaScript-programmed widget.| String    | No                      |
+| type                | Type of the widget. Available values are as follows:<br>**JS**: indicates a JavaScript-programmed widget.| String    | No                      |
 | colorMode           | Color mode of the widget. Available values are as follows:<br>**auto**: The widget adopts the auto-adaptive color mode.<br>**dark**: The widget adopts the dark color mode.<br>**light**: The widget adopts the light color mode.| String    | Yes (initial value: **auto**)|
 | supportDimensions   | Grid styles supported by the widget. Available values are as follows:<br>1 * 2: indicates a grid with one row and two columns.<br>2 * 2: indicates a grid with two rows and two columns.<br>2 * 4: indicates a grid with two rows and four columns.<br>4 * 4: indicates a grid with four rows and four columns.| String array| No                      |
 | defaultDimension    | Default grid style of the widget. The value must be available in the **supportDimensions** array of the widget.| String    | No                      |
-| landscapeLayouts    | Landscape layouts for the grid styles. Values in this array must correspond to the values in the **supportDimensions** array. This field is required only by Java-programmed widgets.| String array| No                      |
-| portraitLayouts     | Portrait layouts for the grid styles. Values in this array must correspond to the values in the **supportDimensions** array. This field is required only by Java-programmed widgets.| String array| No                      |
 | updateEnabled       | Whether the widget can be updated periodically. Available values are as follows:<br>**true**: The widget can be updated periodically, depending on the update way you select, either at a specified interval (**updateDuration**) or at the scheduled time (**scheduledUpdateTime**). **updateDuration** is preferentially recommended.<br>**false**: The widget cannot be updated periodically.| Boolean  | No                      |
 | scheduledUpdateTime | Scheduled time to update the widget. The value is in 24-hour format and accurate to minute.        | String    | Yes (initial value: **0:0**) |
 | updateDuration      | Interval to update the widget. The value is a natural number, in the unit of 30 minutes.<br>If the value is **0**, this field does not take effect.<br>If the value is a positive integer ***N***, the interval is calculated by multiplying ***N*** and 30 minutes.| Number      | Yes (initial value: **0**)   |
@@ -632,9 +629,9 @@ Example of the **forms** attribute structure:
         ]
     },
     {
-        "name": "Form_Java",
-        "description": "It's Java Form",
-        "type": "Java",
+        "name": "Form_JS",
+        "description": "It's JS Form",
+        "type": "JS",
         "colorMode": "auto",
         "isDefault": false,
         "updateEnabled": true,

en/application-dev/reference/apis/js-apis-ability-context.md

@@ -6,8 +6,8 @@ This module provides APIs for accessing ability-specific resources. You can use
 
 > **NOTE**
 >
-> The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.
-> The APIs of this module can be used only in the stage model.
+>  - The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.
+>  - The APIs of this module can be used only in the stage model.
 
 ## Usage
 

en/application-dev/reference/apis/js-apis-ability-wantConstant.md

@@ -4,12 +4,12 @@ The **wantConstant** module provides the actions, entities, and flags used in **
 
 > **NOTE**
 > 
-> The initial APIs of this module are supported since API 6. Newly added APIs will be marked with a superscript to indicate their earliest API version.
+> 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
 
-```
-import wantConstant from '@ohos.ability.wantConstant'
+```js
+import wantConstant from '@ohos.ability.wantConstant';
 ```
 
 ## wantConstant.Action
@@ -46,8 +46,13 @@ Enumerates the action constants of the **Want** object.
 |  ACTION_FILE_SELECT<sup>7+</sup>            | ohos.action.fileSelect                   | Action of selecting a file.                                         |
 |  PARAMS_STREAM<sup>7+</sup>                 | ability.params.stream                    | URI of the data stream associated with the target when the data is sent.                         |
 |  ACTION_APP_ACCOUNT_OAUTH <sup>8+</sup>     | ohos.account.appAccount.action.oauth     | Action of providing the OAuth service.                                    |
-|  ACTION_MARKER_DOWNLOAD <sup>9+</sup>    | ohos.want.action.marketDownload     | Action of downloading an application from the application market.<br>**System API**: This is a system API and cannot be called by third-party applications. |
-
+|  ACTION_MARKET_DOWNLOAD <sup>9+</sup>    | ohos.want.action.marketDownload     | Action of downloading an application from the application market.<br>**System API**: This is a system API and cannot be called by third-party applications. |
+|  ACTION_MARKET_CROWDTEST <sup>9+</sup>    | ohos.want.action.marketCrowdTest     | Action of crowdtesting an application from the application market.<br>**System API**: This is a system API and cannot be called by third-party applications. |
+|   DLP_PARAMS_SANDBOX<sup>9+</sup>    |ohos.dlp.params.sandbox  | Action of obtaining the sandbox flag.<br>**System API**: This is a system API and cannot be called by third-party applications. |
+|   DLP_PARAMS_BUNDLE_NAME<sup>9+</sup>    |ohos.dlp.params.bundleName  |Action of obtaining the DLP bundle name.<br>**System API**: This is a system API and cannot be called by third-party applications. |
+|   DLP_PARAMS_MODULE_NAME<sup>9+</sup>    |ohos.dlp.params.moduleName      |Action of obtaining the DLP module name.<br>**System API**: This is a system API and cannot be called by third-party applications. |
+|   DLP_PARAMS_ABILITY_NAME<sup>9+</sup>    |ohos.dlp.params.abilityName      |Action of obtaining the DLP ability name.<br>**System API**: This is a system API and cannot be called by third-party applications. |
+|   DLP_PARAMS_INDEX<sup>9+</sup>    |ohos.dlp.params.index      |Action of obtaining the DLP index.<br>**System API**: This is a system API and cannot be called by third-party applications. |
 
 ## wantConstant.Entity
 

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

@@ -2104,6 +2104,7 @@ Called to return the result of an authentication request.
 **System capability**: SystemCapability.Account.AppAccount
 
 **Parameters**
+
 | Name   | Type                  | Mandatory  | Description    |
 | ------ | -------------------- | ---- | ------ |
 | code   | number               | Yes   | Authentication result code.|
@@ -2134,6 +2135,7 @@ Called to redirect a request.
 **System capability**: SystemCapability.Account.AppAccount
 
 **Parameters**
+
 | Name    | Type  | Mandatory  | Description        |
 | ------- | ---- | ---- | ---------- |
 | request | Want | Yes   | Request to be redirected.|
@@ -2191,6 +2193,7 @@ Implicitly adds an app account based on the specified authentication type and op
 **System capability**: SystemCapability.Account.AppAccount
 
 **Parameters**
+
 | Name             | Type                   | Mandatory  | Description             |
 | ---------------- | --------------------- | ---- | --------------- |
 | authType         | string                | Yes   | Authentication type.     |
@@ -2207,6 +2210,7 @@ Authenticates an app account to obtain the OAuth token. This API uses an asynchr
 **System capability**: SystemCapability.Account.AppAccount
 
 **Parameters**
+
 | Name             | Type                   | Mandatory  | Description             |
 | ---------------- | --------------------- | ---- | --------------- |
 | name             | string                | Yes   | Name of the target app account.       |
@@ -2224,6 +2228,7 @@ Verifies the credential of an app account. This API uses an asynchronous callbac
 **System capability**: SystemCapability.Account.AppAccount
 
 **Parameters**
+
 | Name             | Type                   | Mandatory  | Description             |
 | ---------------- | --------------------- | ---- | --------------- |
 | name      | string                   | Yes   | Name of the target app account.             |
@@ -2239,6 +2244,7 @@ Sets authenticator properties. This API uses an asynchronous callback to return
 **System capability**: SystemCapability.Account.AppAccount
 
 **Parameters**
+
 | Name             | Type                   | Mandatory  | Description             |
 | ---------------- | --------------------- | ---- | --------------- |
 | options   | [SetPropertiesOptions](#setpropertiesoptions9)  | Yes   | Authenticator properties to set.           |
@@ -2253,6 +2259,7 @@ Checks the account labels. This API uses an asynchronous callback to return the
 **System capability**: SystemCapability.Account.AppAccount
 
 **Parameters**
+
 | Name             | Type                   | Mandatory  | Description             |
 | ---------------- | --------------------- | ---- | --------------- |
 | name      | string                | Yes   | Name of the target app account.             |
@@ -2268,6 +2275,7 @@ Checks whether an app account can be deleted. This API uses an asynchronous call
 **System capability**: SystemCapability.Account.AppAccount
 
 **Parameters**
+
 | Name             | Type                   | Mandatory  | Description             |
 | ---------------- | --------------------- | ---- | --------------- |
 | name      | string                | Yes   | Name of the target app account.             |

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

@@ -78,7 +78,7 @@ export default class MyWindowExtensionAbility extends WindowExtensionAbility {
 
 ## WindowExtensionAbility.onWindowReady
 
-onWindowReady(window: Window): void
+onWindowReady(window: window.Window): void
 
 Called when a window is ready.
 
@@ -88,7 +88,7 @@ Called when a window is ready.
 
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| window | [Window](js-apis-window.md) | Yes| Current **Window** instance.|
+| window | [window.Window](js-apis-window.md#window) | Yes| Current **Window** instance.|
 
 
 **Example**
@@ -99,7 +99,7 @@ export default class MyWindowExtensionAbility extends WindowExtensionAbility {
   onWindowReady(window) {
     window.loadContent('WindowExtAbility/pages/index1').then(() => {
       window.getProperties().then((pro) => {
-        console.log("WindowExtension " + JSON.stringify(pro));
+        console.log('WindowExtension ' + JSON.stringify(pro));
       })
       window.show();
     })

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

@@ -4,7 +4,7 @@ The **Ability** module manages the ability lifecycle and context, such as creati
 
 This module provides the following common ability-related functions:
 
-- [Caller](#caller): implements sending of sequenceable data to the target ability when an ability (caller) invokes the target ability (callee).
+- [Caller](#caller): implements sending of sequenceable data to the target ability when an ability (caller ability) invokes the target ability (callee ability).
 - [Callee](#callee): implements callbacks for registration and deregistration of caller notifications.
 
 > **NOTE**
@@ -39,10 +39,10 @@ Called to initialize the service logic when an ability is created.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| want | [Want](js-apis-application-Want.md) | Yes| Information related to this ability, including the ability name and bundle name.|
-| param | AbilityConstant.LaunchParam | Yes| Parameters for starting the ability, and the reason for the last abnormal exit.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | want | [Want](js-apis-application-Want.md) | Yes| Information related to this ability, including the ability name and bundle name.| 
+  | param | AbilityConstant.LaunchParam | Yes| Parameters for starting the ability, and the reason for the last abnormal exit.| 
 
 **Example**
     
@@ -65,9 +65,9 @@ Called when a **WindowStage** is created for this ability.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| windowStage | window.WindowStage | Yes| **WindowStage** information.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | windowStage | window.WindowStage | Yes| **WindowStage** information.| 
 
 **Example**
     
@@ -109,9 +109,9 @@ Called when the **WindowStage** is restored during the migration of this ability
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| windowStage | window.WindowStage | Yes| **WindowStage** information.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | windowStage | window.WindowStage | Yes| **WindowStage** information.| 
 
 **Example**
     
@@ -191,15 +191,15 @@ Called to save data during the ability migration preparation process.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| wantParam | {[key: string]: any} | Yes| **want** parameter.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | wantParam | {[key: string]: any} | Yes| **want** parameter.| 
 
 **Return value**
 
-| Type| Description|
-| -------- | -------- |
-| AbilityConstant.OnContinueResult | Continuation result.|
+  | Type| Description| 
+  | -------- | -------- |
+  | AbilityConstant.OnContinueResult | Continuation result.| 
 
 **Example**
     
@@ -225,20 +225,17 @@ Called when the ability startup mode is set to singleton.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| want | [Want](js-apis-application-Want.md) | Yes| Want parameters, such as the ability name and bundle name.|
-| launchParams | AbilityConstant.LaunchParam | Yes| Reason for the ability startup and the last abnormal exit.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | want | [Want](js-apis-application-Want.md) | Yes| Want parameters, such as the ability name and bundle name.| 
+  | launchParams | AbilityConstant.LaunchParam | Yes| Reason for the ability startup and the last abnormal exit.|
 
 **Example**
     
   ```js
   class myAbility extends Ability {
-      onNewWant(want, launchParams) {
+      onNewWant(want) {
           console.log('onNewWant, want:' + want.abilityName);
-          if (launchParams.launchReason === AbilityConstant.LaunchReason.CONTINUATION) {
-              console.log('onNewWant, launchReason is continuation');
-          }
       }
   }
   ```
@@ -254,9 +251,9 @@ Called when the configuration of the environment where the ability is running is
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| config | [Configuration](js-apis-configuration.md) | Yes| New configuration.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | config | [Configuration](js-apis-configuration.md) | Yes| New configuration.| 
 
 **Example**
     
@@ -278,9 +275,9 @@ Dumps client information.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| params | Array\<string> | Yes| Parameters in the form of a command.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | params | Array\<string> | Yes| Parameters in the form of a command.| 
 
 **Example**
     
@@ -293,11 +290,35 @@ Dumps client information.
   }
   ```
 
+## Ability.onMemoryLevel
+
+onMemoryLevel(level: AbilityConstant.MemoryLevel): void;
+
+Called when the system has decided to adjust the memory level. For example, this API can be used when there is not enough memory to run as many background processes as possible.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.AbilityCore
+
+**Parameters**
+
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | level | [AbilityConstant.MemoryLevel](js-apis-application-abilityConstant.md#abilityconstantmemorylevel) | Yes| Memory level that indicates the memory usage status. When the specified memory level is reached, a callback will be invoked and the system will start adjustment.| 
+
+**Example**
+    
+  ```js
+  class myAbility extends Ability {
+    onMemoryLevel(level) {
+        console.log('onMemoryLevel, level:' + JSON.stringify(level));
+    } 
+  }
+  ```
+
 
 
 ## Caller
 
-Implements sending of sequenceable data to the target ability when an ability (caller) invokes the target ability (callee).
+Implements sending of sequenceable data to the target ability when an ability (caller ability) invokes the target ability (callee ability).
 
 
 ## Caller.call
@@ -310,16 +331,16 @@ Sends sequenceable data to the target ability.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| method | string | Yes| Notification message string negotiated between the two abilities. The message is used to instruct the callee to register a function to receive the sequenceable data.|
-| data | rpc.Sequenceable | Yes| Sequenceable data. You need to customize the data.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | method | string | Yes| Notification message string negotiated between the two abilities. The message is used to instruct the callee to register a function to receive the sequenceable data.| 
+  | data | rpc.Sequenceable | Yes| Sequenceable data. You need to customize the data.| 
 
 **Return value**
 
-| Type| Description|
-| -------- | -------- |
-| Promise&lt;void&gt; | Promise used to return a response.|
+  | Type| Description| 
+  | -------- | -------- |
+  | Promise&lt;void&gt; | Promise used to return a response.| 
 
 **Example**
     
@@ -383,16 +404,16 @@ Sends sequenceable data to the target ability and obtains the sequenceable data
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| method | string | Yes| Notification message string negotiated between the two abilities. The message is used to instruct the callee to register a function to receive the sequenceable data.|
-| data | rpc.Sequenceable | Yes| Sequenceable data. You need to customize the data.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | method | string | Yes| Notification message string negotiated between the two abilities. The message is used to instruct the callee to register a function to receive the sequenceable data.| 
+  | data | rpc.Sequenceable | Yes| Sequenceable data. You need to customize the data.| 
 
 **Return value**
 
-| Type| Description|
-| -------- | -------- |
-| Promise&lt;rpc.MessageParcel&gt; | Promise used to return the sequenceable data from the target ability.|
+  | Type| Description| 
+  | -------- | -------- |
+  | Promise&lt;rpc.MessageParcel&gt; | Promise used to return the sequenceable data from the target ability.| 
 
 **Example**
     
@@ -492,9 +513,9 @@ Registers a callback that is invoked when the stub on the target ability is disc
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| callback | OnReleaseCallBack | Yes| Callback used for the **onRelease** API.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | callback | OnReleaseCallBack | Yes| Callback used for the **onRelease** API.| 
 
 **Example**
     
@@ -540,12 +561,13 @@ Registers a caller notification callback, which is invoked when the target abili
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| method | string | Yes| Notification message string negotiated between the two abilities.|
-| callback | CalleeCallBack | Yes| JS notification synchronization callback of the **rpc.MessageParcel** type. The callback must return at least one empty **rpc.Sequenceable** object. Otherwise, the function execution fails.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | method | string | Yes| Notification message string negotiated between the two abilities.| 
+  | callback | CalleeCallBack | Yes| JS notification synchronization callback of the **rpc.MessageParcel** type. The callback must return at least one empty **rpc.Sequenceable** object. Otherwise, the function execution fails.| 
 
 **Example**
+    
   ```js
   import Ability from '@ohos.application.Ability';
   class MyMessageAble{
@@ -595,9 +617,9 @@ Deregisters a caller notification callback, which is invoked when the target abi
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| method | string | Yes| Registered notification message string.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | method | string | Yes| Registered notification message string.| 
 
 **Example**
     
@@ -622,8 +644,7 @@ Deregisters a caller notification callback, which is invoked when the target abi
 | -------- | -------- | -------- | -------- | -------- |
 | (msg: string) | function | Yes| No| Prototype of the listener function registered by the caller.| 
 
-
- ## CalleeCallBack
+## CalleeCallBack
 
 (indata: rpc.MessageParcel): rpc.Sequenceable;
 

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

@@ -65,7 +65,7 @@ Enumerates ability continuation results.
 
 ## AbilityConstant.WindowMode
 
-Enumerates the window modes when an ability is started.
+Enumerates the window modes in which an ability can be displayed at startup.
 
 **System capability**: SystemCapability.Ability.AbilityRuntime.Core
 
@@ -76,3 +76,15 @@ Enumerates the window modes when an ability is started.
 | WINDOW_MODE_SPLIT_PRIMARY   | 100 | The ability is displayed in the primary window in split-screen mode.  |
 | WINDOW_MODE_SPLIT_SECONDARY | 101 | The ability is displayed in the secondary window in split-screen mode.  |
 | WINDOW_MODE_FLOATING        | 102 | The ability is displayed in a floating window.|
+
+## AbilityConstant.MemoryLevel
+
+Enumerates the memory levels.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.Core
+
+| Name                        | Value| Description               |
+| ---                         | --- | ---                  |
+| MEMORY_LEVEL_MODERATE       | 0   | Moderate memory usage.      |
+| MEMORY_LEVEL_LOW            | 1   | Low memory usage.           |
+| MEMORY_LEVEL_CRITICAL       | 2   | High memory usage.  |

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

@@ -875,3 +875,265 @@ abilityDelegator.finishTest(msg, 0).then(() => {
     console.info("finishTest promise");
 });
 ```
+
+### addAbilityStageMonitor<sup>9+</sup>
+
+addAbilityStageMonitor(monitor: AbilityStageMonitor, callback: AsyncCallback\<void>): void;
+
+Adds an **AbilityStageMonitor** instance to monitor the lifecycle state changes of an ability stage. This API uses an asynchronous callback to return the result.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.Core
+
+**Parameters**
+
+| Name  | Type                                                        | Mandatory| Description                                                        |
+| -------- | ------------------------------------------------------------ | -------- | ------------------------------------------------------------ |
+| monitor  | [AbilityStageMonitor](#abilitystagemonitor) | Yes      | [AbilityStageMonitor](#abilitystagemonitor) instance.|
+| callback | AsyncCallback\<void>                                         | Yes      | Callback used to return the result.                                          |
+
+**Example**
+
+```js
+var abilityDelegator;
+
+var monitor = {
+    moduleName: "moduleName",
+    srcEntrance: "srcEntrance",
+}
+
+abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
+abilityDelegator.addAbilityStageMonitor(monitor, (err : any) => {
+    console.info("addAbilityStageMonitor callback");
+});
+```
+
+
+
+### addAbilityStageMonitor<sup>9+</sup>
+
+addAbilityStageMonitor(monitor: AbilityStageMonitor): Promise\<void>;
+
+Adds an **AbilityStageMonitor** instance to monitor the lifecycle state changes of an ability stage. This API uses a promise to return the result.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.Core
+
+**Parameters**
+
+| Name | Type                                                        | Mandatory| Description                                                        |
+| ------- | ------------------------------------------------------------ | ---- | ------------------------------------------------------------ |
+| monitor | [AbilityStageMonitor](#abilitystagemonitor) | Yes  | [AbilityStageMonitor](#abilitystagemonitor) instance.|
+
+**Return value**
+
+| Type          | Description               |
+| -------------- | ------------------- |
+| Promise\<void> | Promise used to return the result.|
+
+**Example**
+
+```js
+var abilityDelegator;
+
+var monitor = {
+    moduleName: "moduleName",
+    srcEntrance: "srcEntrance",
+}
+
+abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
+abilityDelegator.addAbilityStageMonitor(monitor).then(() => {
+    console.info("addAbilityStageMonitor promise");
+});
+```
+
+### removeAbilityStageMonitor<sup>9+</sup>
+
+removeAbilityStageMonitor(monitor: AbilityStageMonitor, callback: AsyncCallback\<void>): void;
+
+Removes an **AbilityStageMonitor** instance from the application memory. This API uses an asynchronous callback to return the result.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.Core
+
+**Parameters**
+
+| Name  | Type                                                        | Mandatory| Description                                                        |
+| -------- | ------------------------------------------------------------ | -------- | ------------------------------------------------------------ |
+| monitor  | [AbilityStageMonitor](#abilitystagemonitor) | Yes      | [AbilityStageMonitor](#abilitystagemonitor) instance.|
+| callback | AsyncCallback\<void>                                         | Yes      | Callback used to return the result.                                          |
+
+**Example**
+
+```js
+var abilityDelegator;
+
+var monitor = {
+    moduleName: "moduleName",
+    srcEntrance: "srcEntrance",
+}
+
+abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
+abilityDelegator.removeAbilityStageMonitor(monitor, (err : any) => {
+    console.info("removeAbilityStageMonitor callback");
+});
+```
+
+
+
+### removeAbilityStageMonitor<sup>9+</sup>
+
+removeAbilityStageMonitor(monitor: AbilityStageMonitor): Promise\<void>;
+
+Removes an **AbilityStageMonitor** object from the application memory. This API uses a promise to return the result.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.Core
+
+**Parameters**
+
+| Name | Type                                                        | Mandatory| Description                                                        |
+| ------- | ------------------------------------------------------------ | ---- | ------------------------------------------------------------ |
+| monitor | [AbilityStageMonitor](#abilitystagemonitor) | Yes  | [AbilityStageMonitor](#abilitystagemonitor) instance.|
+
+**Return value**
+
+| Type          | Description               |
+| -------------- | ------------------- |
+| Promise\<void> | Promise used to return the result.|
+
+**Example**
+
+```js
+var abilityDelegator;
+
+var monitor = {
+    moduleName: "moduleName",
+    srcEntrance: "srcEntrance",
+}
+
+abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
+abilityDelegator.removeAbilityStageMonitor(monitor).then(() => {
+    console.info("removeAbilityStageMonitor promise");
+});
+```
+
+### waitAbilityStageMonitor<sup>9+</sup>
+
+waitAbilityStageMonitor(monitor: AbilityStageMonitor, callback: AsyncCallback\<AbilityStage>): void;
+
+Waits for an **AbilityStage** instance that matches the conditions set in an **AbilityStageMonitor** instance and returns the **AbilityStage** instance. This API uses an asynchronous callback to return the result.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.Core
+
+**Parameters**
+
+| Name  | Type                                                        | Mandatory| Description                                                        |
+| -------- | ------------------------------------------------------------ | -------- | ------------------------------------------------------------ |
+| monitor  | [AbilityStageMonitor](#abilitystagemonitor) | Yes      | [AbilityStageMonitor](#abilitystagemonitor) instance.|
+| callback | AsyncCallback\<AbilityStage>                                         | Yes      | Callback used to return the result. If the operation is successful, an **AbilityStage** instance is returned. Otherwise, no value is returned.            |
+
+**Example**
+
+```js
+var abilityDelegator;
+
+function onAbilityCreateCallback(data) {
+    console.info("onAbilityCreateCallback");
+}
+
+var monitor = {
+    moduleName: "moduleName",
+    srcEntrance: "srcEntrance",
+}
+
+abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
+abilityDelegator.waitAbilityStageMonitor(monitor, (err : any, data : any) => {
+    console.info("waitAbilityStageMonitor callback");
+});
+```
+  
+### waitAbilityStageMonitor<sup>9+</sup>
+
+waitAbilityStageMonitor(monitor: AbilityStageMonitor, timeout?: number): Promise\<AbilityStage>;
+
+Waits for an **AbilityStage** instance that matches the conditions set in an **AbilityStageMonitor** instance and returns the **AbilityStage** instance. This API uses a promise to return the result.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.Core
+
+**Parameters**
+
+| Name | Type                                                        | Mandatory| Description                                                        |
+| ------- | ------------------------------------------------------------ | ---- | ------------------------------------------------------------ |
+| monitor | [AbilityStageMonitor](#abilitystagemonitor) | Yes  | [AbilityStageMonitor](#abilitystagemonitor) instance.|
+| timeout | number | No  | Maximum waiting time, in milliseconds.|
+
+**Return value**
+
+| Type          | Description               |
+| -------------- | ------------------- |
+| Promise\<AbilityStage> | Promise used to return the result. If the operation is successful, an **AbilityStage** instance is returned. Otherwise, no value is returned.|
+
+**Example**
+
+```js
+var abilityDelegator;
+
+function onAbilityCreateCallback(data) {
+    console.info("onAbilityCreateCallback");
+}
+
+var monitor = {
+    moduleName: "moduleName",
+    srcEntrance: "srcEntrance",
+}
+
+abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
+abilityDelegator.waitAbilityStageMonitor(monitor).then((data : any) => {
+    console.info("waitAbilityStageMonitor promise");
+});
+```
+
+### waitAbilityStageMonitor<sup>9+</sup>
+
+waitAbilityStageMonitor(monitor: AbilityStageMonitor, timeout: number, callback: AsyncCallback\<AbilityStage>): void;
+
+Waits a period of time for an **AbilityStage** instance that matches the conditions set in an **AbilityStageMonitor** instance and returns the **AbilityStage** instance. This API uses an asynchronous callback to return the result.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.Core
+
+**Parameters**
+
+| Name | Type                                                        | Mandatory| Description                                                        |
+| ------- | ------------------------------------------------------------ | ---- | ------------------------------------------------------------ |
+| monitor | [AbilityStageMonitor](#abilitystagemonitor) | Yes  | [AbilityStageMonitor](#abilitystagemonitor) instance.|
+| timeout | number | No  | Maximum waiting time, in milliseconds.|
+| callback | AsyncCallback\<AbilityStage>                                         | Yes      | Callback used to return the result. If the operation is successful, an **AbilityStage** instance is returned. Otherwise, no value is returned.                    |
+
+**Example**
+
+```js
+var abilityDelegator;
+var timeout = 100;
+
+function onAbilityCreateCallback(data) {
+    console.info("onAbilityCreateCallback");
+}
+
+var monitor = {
+    moduleName: "moduleName",
+    srcEntrance: "srcEntrance",
+}
+
+abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
+abilityDelegator.waitAbilityStageMonitor(monitor, timeout, (err : any, data : any) => {
+    console.info("waitAbilityStageMonitor callback");
+});
+```
+
+## AbilityStageMonitor
+
+Provides conditions for matching **AbilityStage** instances. The most recently matched **AbilityStage** instance is saved in an **AbilityStageMonitor** instance. 
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.Core
+
+| Name                                                        | Type    | Readable| Writable| Description                                                        |
+| ------------------------------------------------------------ | -------- | ---- | ---- | ------------------------------------------------------------ |
+| moduleName<sup>9+</sup>                                                 | string   | Yes  | Yes  | Module name of the **AbilityStage** instance.|
+| srcEntrance<sup>9+</sup> | string | Yes  | Yes  | Source path of the **AbilityStage** instance.|

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

@@ -11,7 +11,7 @@ The **AbilityDelegatorArgs** module provides a global register to store the regi
 The ability delegator arguments are obtained by calling **getArguments** in **AbilityDelegatorRegistry**.
 
 ```js
-import AbilityDelegatorRegistry from '@ohos.application.abilityDelegatorRegistry'
+import AbilityDelegatorRegistry from '@ohos.application.abilityDelegatorRegistry';
 
 var args = AbilityDelegatorRegistry.getArguments();
 ```

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

@@ -89,6 +89,31 @@ Called when the global configuration is updated.
       }
   }
   ```
+
+## AbilityStage.onMemoryLevel
+
+onMemoryLevel(level: AbilityConstant.MemoryLevel): void;
+
+Called when the system has decided to adjust the memory level. For example, this API can be used when there is not enough memory to run as many background processes as possible.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.AbilityCore
+
+**Parameters**
+
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | level | [AbilityConstant.MemoryLevel](js-apis-application-abilityConstant.md#abilityconstantmemorylevel) | Yes| Memory level that indicates the memory usage status. When the specified memory level is reached, a callback will be invoked and the system will start adjustment.| 
+
+**Example**
+    
+  ```js
+  class MyAbilityStage extends AbilityStage {
+    onMemoryLevel(level) {
+        console.log('onMemoryLevel, level:' + JSON.stringify(level));
+    } 
+  }
+  ```
+
 ## AbilityStage.context
 
 context: AbilityStageContext;

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

@@ -22,9 +22,9 @@ Checks whether this application is undergoing a stability test. This API uses an
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| callback | AsyncCallback<boolean> | No| Callback used to return the result. If the application is undergoing a stability test, **true** will be returned; otherwise, **false** will be returned.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | callback | AsyncCallback<boolean> | No| Callback used to return the result. If the application is undergoing a stability test, **true** will be returned; otherwise, **false** will be returned.| 
 
 **Example**
     
@@ -46,9 +46,9 @@ Checks whether this application is undergoing a stability test. This API uses a
 
 **Return value**
 
-| Type| Description|
-| -------- | -------- |
-| Promise<boolean> | Promise used to return the result. If the application is undergoing a stability test, **true** will be returned; otherwise, **false** will be returned.|
+  | Type| Description| 
+  | -------- | -------- |
+  | Promise<boolean> | Promise used to return the result. If the application is undergoing a stability test, **true** will be returned; otherwise, **false** will be returned.| 
 
 **Example**
     
@@ -72,9 +72,9 @@ Checks whether this application is running on a RAM constrained device. This API
 
 **Return value**
 
-| Type| Description|
-| -------- | -------- |
-| Promise<boolean> | Promise used to return whether the application is running on a RAM constrained device. If the application is running on a RAM constrained device, **true** will be returned; otherwise, **false** will be returned.|
+  | Type| Description| 
+  | -------- | -------- |
+  | Promise<boolean> | Promise used to return whether the application is running on a RAM constrained device. If the application is running on a RAM constrained device, **true** will be returned; otherwise, **false** will be returned.| 
 
 **Example**
     
@@ -96,9 +96,9 @@ Checks whether this application is running on a RAM constrained device. This API
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| callback | AsyncCallback<boolean> | No| Callback used to return whether the application is running on a RAM constrained device. If the application is running on a RAM constrained device, **true** will be returned; otherwise, **false** will be returned.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | callback | AsyncCallback<boolean> | No| Callback used to return whether the application is running on a RAM constrained device. If the application is running on a RAM constrained device, **true** will be returned; otherwise, **false** will be returned.| 
 
 **Example**
     
@@ -119,9 +119,9 @@ Obtains the memory size of this application. This API uses a promise to return t
 
 **Return value**
 
-| Type| Description|
-| -------- | -------- |
-| Promise<number> | Size of the application memory.|
+  | Type| Description| 
+  | -------- | -------- |
+  | Promise<number> | Size of the application memory.| 
 
 **Example**
     
@@ -143,9 +143,9 @@ Obtains the memory size of this application. This API uses an asynchronous callb
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| callback | AsyncCallback<number> | No| Size of the application memory.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | callback | AsyncCallback<number> | No| Size of the application memory.| 
 
 **Example**
     
@@ -157,14 +157,12 @@ Obtains the memory size of this application. This API uses an asynchronous callb
   ```
 ## appManager.getProcessRunningInfos<sup>(deprecated)</sup>
 
-> **NOTE**
->
-> This API is deprecated since API version 9. You are advised to use [appManager.getProcessRunningInformation<sup>9+</sup>](#appmanagergetprocessrunninginformation9) instead.
-
 getProcessRunningInfos(): Promise\<Array\<ProcessRunningInfo>>;
 
 Obtains information about the running processes. This API uses a promise to return the result.
 
+> This API is deprecated since API version 9. You are advised to use [appManager.getProcessRunningInformation<sup>9+</sup>](#appmanagergetprocessrunninginformation9) instead.
+
 **Required permissions**: ohos.permission.GET_RUNNING_INFO
 
 **System capability**: SystemCapability.Ability.AbilityRuntime.Core
@@ -187,14 +185,12 @@ Obtains information about the running processes. This API uses a promise to retu
 
 ## appManager.getProcessRunningInfos<sup>(deprecated)</sup>
 
-> **NOTE**
->
-> This API is deprecated since API version 9. You are advised to use [appManager.getProcessRunningInformation<sup>9+</sup>](#appmanagergetprocessrunninginformation9-1) instead.
-
 getProcessRunningInfos(callback: AsyncCallback\<Array\<ProcessRunningInfo>>): void;
 
 Obtains information about the running processes. This API uses an asynchronous callback to return the result.
 
+> This API is deprecated since API version 9. You are advised to use [appManager.getProcessRunningInformation<sup>9+</sup>](#appmanagergetprocessrunninginformation9-1) instead.
+
 **Required permissions**: ohos.permission.GET_RUNNING_INFO
 
 **System capability**: SystemCapability.Ability.AbilityRuntime.Core
@@ -228,7 +224,7 @@ Obtains information about the running processes. This API uses a promise to retu
 
 | Type| Description|
 | -------- | -------- |
-| Promise\<Array\<ProcessRunningInformation>> | Promise used to return the process information.|
+| Promise\<Array\<[ProcessRunningInformation](#processrunninginformation)>> | Promise used to return the process information.|
 
 **Example**
     
@@ -254,7 +250,7 @@ Obtains information about the running processes. This API uses an asynchronous c
 
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| callback | AsyncCallback\<Array\<ProcessRunningInformation>> | No| Callback used to return the process information.|
+| callback | AsyncCallback\<Array\<[ProcessRunningInformation](#processrunninginformation)>> | No| Callback used to return the process information.|
 
 **Example**
     
@@ -269,7 +265,7 @@ Obtains information about the running processes. This API uses an asynchronous c
 
 registerApplicationStateObserver(observer: ApplicationStateObserver): number;
 
-Registers an observer to listen for the state of all applications.
+Registers an observer to listen for the state changes of all applications.
 
 **Required permissions**: ohos.permission.RUNNING_STATE_OBSERVER
 
@@ -307,9 +303,9 @@ Registers an observer to listen for the state of all applications.
 
 ## appManager.registerApplicationStateObserver<sup>9+</sup>
 
-registerApplicationStateObserver(observer: ApplicationStateObserver, bundleNameList: Array<string>): number;
+registerApplicationStateObserver(observer: ApplicationStateObserver, bundleNameList: Array\<string>): number;
 
-Registers an observer to listen for the state of a specified application.
+Registers an observer to listen for the state changes of a specified application.
 
 **Required permissions**: ohos.permission.RUNNING_STATE_OBSERVER
 
@@ -322,7 +318,7 @@ Registers an observer to listen for the state of a specified application.
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
 | observer | [ApplicationStateObserver](#applicationstateobserver) | No| Numeric code of the observer.|
-| bundleNameList | Array<string> | No| **bundleName** array to be registered for listening. The maximum value is 128.|
+| bundleNameList | Array<string> | No| **bundleName** array of the application. A maximum of 128 bundle names can be passed.|
 
 **Example**
     
@@ -491,10 +487,10 @@ Kills a process by bundle name and account ID. This API uses a promise to return
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| bundleName | string | Yes| Bundle name of an application.|
-| accountId | number | Yes| ID of a system account. For details, see [getCreatedOsAccountsCount](js-apis-osAccount.md#getosaccountlocalidfromprocess).|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | bundleName | string | Yes| Bundle name of an application.| 
+  | accountId | number | Yes| ID of a system account. For details, see [getCreatedOsAccountsCount](js-apis-osAccount.md#getosaccountlocalidfromprocess).| 
 
 **Example**
 
@@ -525,11 +521,11 @@ Kills a process by bundle name and account ID. This API uses an asynchronous cal
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| bundleName | string | Yes| Bundle name of an application.|
-| accountId | number | Yes| ID of a system account. For details, see [getCreatedOsAccountsCount](js-apis-osAccount.md#getosaccountlocalidfromprocess).|
-| callback | AsyncCallback\<void\> | Yes| Callback used to return the result.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | bundleName | string | Yes| Bundle name of an application.| 
+  | accountId | number | Yes| ID of a system account. For details, see [getCreatedOsAccountsCount](js-apis-osAccount.md#getosaccountlocalidfromprocess).| 
+  | callback | AsyncCallback\<void\> | Yes| Callback used to return the result.| 
 
 **Example**
 
@@ -708,9 +704,14 @@ Called when the application state changes.
 **Example**
     
 ```js
-import ApplicationStateObserver from '@ohos.application.ApplicationStateObserver'
-const foregroundApplicationInfo = ApplicationStateObserver.onForegroundApplicationChanged();
-console.log('-------- foregroundApplicationInfo: ---------', foregroundApplicationInfo);
+  var applicationStateObserver = {
+    onForegroundApplicationChanged(appStateData) {
+        console.log('------------ onForegroundApplicationChanged -----------', appStateData);
+    }
+  }
+  const observerCode = app.registerApplicationStateObserver(applicationStateObserver);
+  console.log('-------- observerCode: ---------', observerCode);
+
 ```
 
 ## ApplicationStateObserver.onAbilityStateChanged<sup>8+</sup>
@@ -732,9 +733,13 @@ Called when the ability state changes.
 **Example**
     
 ```js
-import ApplicationStateObserver from '@ohos.application.ApplicationStateObserver'
-const abilityStateChangedInfo = ApplicationStateObserver.onAbilityStateChanged();
-console.log('-------- abilityStateChangedInfo: ---------', abilityStateChangedInfo);
+  var applicationStateObserver = {
+    onAbilityStateChanged(abilityStateData) {
+        console.log('------------ onAbilityStateChanged -----------', abilityStateData);
+    }
+  }
+  const observerCode = app.registerApplicationStateObserver(applicationStateObserver);
+  console.log('-------- observerCode: ---------', observerCode);
 ```
 
 ## ApplicationStateObserver.onProcessCreated<sup>8+</sup>
@@ -756,9 +761,13 @@ Called when a process is created.
 **Example**
     
 ```js
-import ApplicationStateObserver from '@ohos.application.ApplicationStateObserver'
-const processCreatedInfo = ApplicationStateObserver.onProcessCreated();
-console.log('-------- processCreatedInfo: ---------', processCreatedInfo);
+  var applicationStateObserver = {
+    onProcessCreated(processData) {
+        console.log('------------ onProcessCreated -----------', processData);
+    }
+  }
+  const observerCode = app.registerApplicationStateObserver(applicationStateObserver);
+  console.log('-------- observerCode: ---------', observerCode);
 ```
 
 ## ApplicationStateObserver.onProcessDied<sup>8+</sup>
@@ -775,14 +784,46 @@ Called when a process is terminated.
 
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| processData | ProcessData | No| Process information.|
+| processData | [ProcessData](#processdata) | No| Process information.|
 
 **Example**
     
 ```js
-import ApplicationStateObserver from '@ohos.application.ApplicationStateObserver'
-const processDiedInfo = ApplicationStateObserver.onProcessDied();
-console.log('-------- processDiedInfo: ---------', processDiedInfo);
+  var applicationStateObserver = {
+    onProcessDied(processData) {
+        console.log('------------ onProcessDied -----------', processData);
+    }
+  }
+  const observerCode = app.registerApplicationStateObserver(applicationStateObserver);
+  console.log('-------- observerCode: ---------', observerCode);
+```
+
+## ApplicationStateObserver.onProcessStateChanged<sup>9+</sup>
+
+ onProcessStateChanged(processData: ProcessData): void;
+
+Called when the process state changes.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.Core
+
+**System API**: This is a system API and cannot be called by third-party applications.
+
+**Parameters**
+
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| processData | [ProcessData](#processdata) | No| Process information.|
+
+**Example**
+    
+```js
+  var applicationStateObserver = {
+    onProcessStateChanged(processData) {
+        console.log('------------ onProcessStateChanged -----------', processData);
+    }
+  }
+  const observerCode = app.registerApplicationStateObserver(applicationStateObserver);
+  console.log('-------- observerCode: ---------', observerCode);
 ```
 
 ## AppStateData
@@ -815,7 +856,7 @@ console.log('-------- processDiedInfo: ---------', processDiedInfo);
 
 ## ProcessData
 
-**System capability**: SystemCapability.Ability.AbilityRuntime.Mission
+**System capability**: SystemCapability.Ability.AbilityRuntime.Core
 
 **System API**: This is a system API and cannot be called by third-party applications.
 
@@ -824,19 +865,19 @@ console.log('-------- processDiedInfo: ---------', processDiedInfo);
 | pid<sup>8+</sup>         | number   | Yes  | No  | Process ID.                   |
 | bundleName<sup>8+</sup>  | string   | Yes  | No | Bundle name of an application.                 |
 | uid<sup>8+</sup>         | number   | Yes  | No  | User ID.                 |
-
-
+| isContinuousTask<sup>9+</sup>         | boolean   | Yes  | No  | Whether the process is a continuous task.                 |
+| isKeepAlive<sup>9+</sup>         | boolean   | Yes  | No  | Whether the process remains active.                 |
 
 ## ProcessRunningInfo
 
-**System capability**: SystemCapability.Ability.AbilityRuntime.Core
+**System capability**: SystemCapability.Ability.AbilityRuntime.Mission
 
 | Name       | Readable/Writable| Type                | Mandatory| Description                                                        |
 | ----------- | -------- | -------------------- | ---- | ------------------------------------------------------------ |
-| pid<sup>9+</sup>     | Read only    | number               | No  | Process ID.                               |
-| uid<sup>9+</sup>   | Read only    | number               | No  | User ID.|
-| processName<sup>9+</sup>  | Read only    | string               | No  | Process name.|
-| bundleNames<sup>9+</sup>          | Read only    | Array\<string>              | No  | **bundleName** array in the running processes.|
+| pid<sup>8+</sup>     | Read only    | number               | No  | Process ID.                               |
+| uid<sup>8+</sup>   | Read only    | number               | No  | User ID.|
+| processName<sup>8+</sup>  | Read only    | string               | No  | Process name.|
+| bundleNames<sup>8+</sup>          | Read only    | Array\<string>              | No  | **bundleName** array in the running processes.|
 
 ## ApplicationStateObserver
 
@@ -850,3 +891,44 @@ console.log('-------- processDiedInfo: ---------', processDiedInfo);
 | [onAbilityStateChanged<sup>8+</sup>](#applicationstateobserveronabilitystatechanged8)  | AsyncCallback\<void>   | Yes  | No | Callback invoked when the ability state changes.                 |
 | [onProcessCreated<sup>8+</sup>](#applicationstateobserveronprocesscreated8)         | AsyncCallback\<void>   | Yes  | No  | Callback invoked when a process is created.                 |
 | [onProcessDied<sup>8+</sup>](#applicationstateobserveronprocessdied8)         | AsyncCallback\<void>   | Yes  | No  | Callback invoked when a process is destroyed.                 |
+
+## ProcessRunningInformation
+   
+Defines the process running information.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.Core
+
+| Name       | Readable/Writable| Type                | Mandatory| Description                                                        |
+| ----------- | -------- | -------------------- | ---- | ------------------------------------------------------------ |
+| pid<sup>9+</sup>     | Read only    | number               | No  | Process ID.                               |
+| uid<sup>9+</sup>   | Read only    | number               | No  | User ID.|
+| processName<sup>9+</sup>  | Read only    | string               | No  | Process name.|
+| bundleNames<sup>9+</sup>          | Read only    | Array\<string>              | No  | **bundleName** array in the running processes.| 
+
+## ApplicationState<sup>9+</sup>
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.Core
+
+**System API**: This is a system API and cannot be called by third-party applications.
+
+| Name                | Value | Description                              |
+| -------------------- | --- | --------------------------------- |
+| STATE_CREATE    | 1   |   State indicating that the application is being created.        |
+| STATE_FOREGROUND          | 2   |      State indicating that the application is running in the foreground.           |
+| STATE_ACTIVE  | 3   |         State indicating that the application is active.    |
+| STATE_BACKGROUND        | 4   |       State indicating that the application is running in the background.          |
+| STATE_DESTROY        | 5   |           State indicating that the application is destroyed.      |
+
+## ProcessState<sup>9+</sup>
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.Core
+
+**System API**: This is a system API and cannot be called by third-party applications.
+
+| Name                | Value | Description                              |
+| -------------------- | --- | --------------------------------- |
+| STATE_CREATE    | 1   |      State indicating that the process is being created.      |
+| STATE_FOREGROUND          | 2   |            State indicating that the process is running in the foreground.     |
+| STATE_ACTIVE  | 3   |          State indicating that the process is active.  |
+| STATE_BACKGROUND        | 4   |       State indicating that the process is running in the background.          |
+| STATE_DESTROY        | 5   |         State indicating that the process is destroyed.        |

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

@@ -12,6 +12,9 @@ When compared with **[LinkedList](js-apis-linkedlist.md)**, **ArrayList** is mor
 
 **Recommended use case**: Use **ArrayList** when elements in a container need to be frequently read.
 
+This topic uses the following to identify the use of generics:
+- T: Type
+
 ## Modules to Import
 
 ```ts
@@ -72,7 +75,7 @@ Adds an element at the end of this container.
   let result1 = arrayList.add(1);
   let b = [1, 2, 3];
   let result2 = arrayList.add(b);
-  let c = {name: "lala", age: "13"};
+  let c = {name: "Dylon", age: "13"};
   let result3 = arrayList.add(false);
   ```
 
@@ -124,9 +127,9 @@ Checks whether this container has the specified element.
 
 ```ts
 let arrayList = new ArrayList();
-let result = arrayList.has("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-arrayList.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-let result1 = arrayList.has("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
+let result = arrayList.has("squirrel");
+arrayList.add("squirrel");
+let result1 = arrayList.has("squirrel");
 ```
 
 ### getIndexOf
@@ -361,7 +364,7 @@ arrayList.add(4);
 arrayList.add(5);
 arrayList.add(4);
 arrayList.forEach((value, index) => {
-  console.log("value:" + value, index);
+  console.log(`value:${value}`, index);
 });
 ```
 
@@ -623,14 +626,14 @@ arrayList.add(4);
 
 // Method 1:
 for (let item of arrayList) { 
-  console.log("value:" + item); 
+  console.log(`value:${item}`); 
 } 
 
 // Method 2:
 let iter = arrayList[Symbol.iterator]();
 let temp = iter.next().value;
 while(temp != undefined) {
-  console.log("value:" + temp);
+  console.log(`value:${temp}`);
   temp = iter.next().value;
 }
 ```

en/application-dev/reference/apis/js-apis-bundle-ExtensionAbilityInfo.md

 # ExtensionAbilityInfo
 
-
+The **ExtensionAbilityInfo** module provides Extension ability information. Unless otherwise specified, all attributes are obtained through [getBundleInfo](js-apis-Bundle.md#bundlegetbundleinfo), and flags are obtained through [GET_BUNDLE_DEFAULT](js-apis-Bundle.md#bundleflag).
 
 > **NOTE**
 >
 > The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.
 
-The **ExtensionAbilityInfo** module provides Extension ability information. Unless otherwise specified, all attributes are obtained through **GET_BUNDLE_DEFAULT**.
-
 ## ExtensionAbilityInfo
 
 **System capability**: SystemCapability.BundleManager.BundleFramework

en/application-dev/reference/apis/js-apis-bundle-LauncherAbilityInfo.md

 # LauncherAbilityInfo
 
-The **LauncherAbilityInfo** module provides information about a launcher ability.
+The **LauncherAbilityInfo** module provides information about the launcher ability, which is obtained through [innerBundleManager.getLauncherAbilityInfos](js-apis-Bundle-InnerBundleManager.md).
 
 > **NOTE**
 >
@@ -13,7 +13,7 @@ The **LauncherAbilityInfo** module provides information about a launcher ability
 **System API**: This is a system API and cannot be called by third-party applications.
 
 | Name           | Type                                                | Readable| Writable| Description                                  |
-| --------------- | ---------------------------------------------------- | ---- | ---- | ------------------------------------ |
+| --------------- | ---------------------------------------------------- | ---- | ---- | -------------------------------------- |
 | applicationInfo | [ApplicationInfo](js-apis-bundle-ApplicationInfo.md) | Yes  | No  | Application information of the launcher ability.|
 | elementName     | [ElementName](js-apis-bundle-ElementName.md)         | Yes  | No  | Element name of the launcher ability.   |
 | labelId         | number                                               | Yes  | No  | Label ID of the launcher ability.            |

en/application-dev/reference/apis/js-apis-bundle-ShortcutInfo.md

 # ShortcutInfo
 
-The **ShortcutInfo** module provides shortcut information defined in the configuration file.
+The **ShortcutInfo** module provides shortcut information defined in the configuration file. For details about the configuration in the FA model, see [config.json](../../quick-start/package-structure.md). For details about the configuration in the stage model, see [Internal Structure of the shortcuts Attribute](../../quick-start/stage-structure.md#internal-structure-of-the-shortcuts-attribute).
 
 > **NOTE**
 >

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

@@ -824,11 +824,8 @@ This is a system API.
 **Example**
 
 ```js
-let promise = call.reject(1);
-promise.then(data => {
-    console.log(`reject success, promise: data->${JSON.stringify(data)}`);
-}).catch(err => {
-    console.error(`reject fail, promise: err->${JSON.stringify(err)}`);
+call.reject(1, (error, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
 });
 ```
 

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

@@ -812,7 +812,7 @@ Obtains the zoom ratio range. This API uses an asynchronous callback to return t
 
 | Name    | Type                          | Mandatory| Description                    |
 | -------- | ------------------------------ | ---- | ------------------------ |
-| callback | AsyncCallback<Array<number\>\> | Yes  | Callback used to return the result.|
+| callback | AsyncCallback<Array<number\>\> | Yes  | Callback used to return an array containing the minimum and maximum zoom ratios.|
 
 **Example**
 
@@ -838,7 +838,7 @@ Obtains the zoom ratio range. This API uses a promise to return the result.
 
 | Type                    | Description                                       |
 | ------------------------ | ------------------------------------------- |
-| Promise<Array<number\>\> | Promise used to return the zoom ratio range.|
+| Promise<Array<number\>\> | Promise used to return an array containing the minimum and maximum zoom ratios.|
 
 **Example**
 

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

@@ -66,15 +66,11 @@ Provides the event types supported by the **CommonEvent** module. The name and v
 | COMMON_EVENT_USER_STARTED                                    | usual.event.USER_STARTED                                    | -                                                          | Indicates the common event that the user has been started.     |
 | COMMON_EVENT_USER_BACKGROUND                                 | usual.event.USER_BACKGROUND                                 | -                                                          | Indicates the common event that the user has been brought to the background.     |
 | COMMON_EVENT_USER_FOREGROUND                                 | usual.event.USER_FOREGROUND                                 | -                                                          | Indicates the common event that the user has been brought to the foreground.       |
-| COMMON_EVENT_USER_SWITCHED                                   | usual.event.USER_SWITCHED                                   | ohos.permission.MANAGE_USERS                                 | Indicates the common event that user switching is happening.     |
-| COMMON_EVENT_USER_STARTING                                   | usual.event.USER_STARTING                                   | ohos.permission.INTERACT_ACROSS_USERS                        | Indicates the common event that the user is going to be started.       |
+| COMMON_EVENT_USER_SWITCHED                                   | usual.event.USER_SWITCHED                                   | ohos.permission.MANAGE_LOCAL_ACCOUNTS                                 | Indicates the common event that user switching is happening.     |
+| COMMON_EVENT_USER_STARTING                                   | usual.event.USER_STARTING                                   | ohos.permission.INTERACT_ACROSS_LOCAL_ACCOUNTS                        | Indicates the common event that the user is going to be started.       |
 | COMMON_EVENT_USER_UNLOCKED                                   | usual.event.USER_UNLOCKED                                   | -                                                          | Indicates the common event that the credential-encrypted storage has been unlocked for the current user when the device is unlocked after being restarted.    |
-| COMMON_EVENT_USER_STOPPING                                   | usual.event.USER_STOPPING                                   | ohos.permission.INTERACT_ACROSS_USERS                        | Indicates the common event that the user is going to be stopped.   |
+| COMMON_EVENT_USER_STOPPING                                   | usual.event.USER_STOPPING                                   | ohos.permission.INTERACT_ACROSS_LOCAL_ACCOUNTS                        | Indicates the common event that the user is going to be stopped.   |
 | COMMON_EVENT_USER_STOPPED                                    | usual.event.USER_STOPPED                                    | -                                                          | Indicates the common event that the user has been stopped.   |
-| COMMON_EVENT_HWID_LOGIN                                      | common.event.HWID_LOGIN                                     | -                                                          | Indicates the common event about a HUAWEI ID login.        |
-| COMMON_EVENT_HWID_LOGOUT                                     | common.event.HWID_LOGOUT                                    | -                                                          | Indicates the common event about a HUAWEI ID logout.          |
-| COMMON_EVENT_HWID_TOKEN_INVALID                              | common.event.HWID_TOKEN_INVALID                             | -                                                          | Indicates the common event that the HUAWEI ID is invalid.      |
-| COMMON_EVENT_HWID_LOGOFF                                     | common.event.HWID_LOGOFF                                    | -                                                          | Indicates the common event about a HUAWEI ID logoff.      |
 | COMMON_EVENT_WIFI_POWER_STATE                                | usual.event.wifi.POWER_STATE                                | -                                                          | Indicates the common event about the Wi-Fi network state, such as enabled and disabled.     |
 | COMMON_EVENT_WIFI_SCAN_FINISHED                              | usual.event.wifi.SCAN_FINISHED                              | ohos.permission.LOCATION                                     | Indicates the common event that the Wi-Fi access point has been scanned and proven to be available.      |
 | COMMON_EVENT_WIFI_RSSI_VALUE                                 | usual.event.wifi.RSSI_VALUE                                 | ohos.permission.GET_WIFI_INFO                                | Indicates the common event that the Wi-Fi signal strength (RSSI) has changed.     |
@@ -133,8 +129,8 @@ Provides the event types supported by the **CommonEvent** module. The name and v
 | COMMON_EVENT_CHARGING                                        | usual.event.CHARGING                                        | -                                                          | Indicates the common event that the system starts charging the battery.   |
 | COMMON_EVENT_DEVICE_IDLE_MODE_CHANGED                        | usual.event.DEVICE_IDLE_MODE_CHANGED                        | -                                                          | Indicates the common event that the system idle mode has changed.   |
 | COMMON_EVENT_POWER_SAVE_MODE_CHANGED                         | usual.event.POWER_SAVE_MODE_CHANGED                         | -                                                          | Indicates the common event that the power saving mode of the system has changed.     |
-| COMMON_EVENT_USER_ADDED                                      | usual.event.USER_ADDED                                      | ohos.permission.MANAGE_USERS                                 | Indicates the common event that a user has been added to the system.       |
-| COMMON_EVENT_USER_REMOVED                                    | usual.event.USER_REMOVED                                    | ohos.permission.MANAGE_USERS                                 | Indicates the common event that a user has been removed from the system.       |
+| COMMON_EVENT_USER_ADDED                                      | usual.event.USER_ADDED                                      | ohos.permission.MANAGE_LOCAL_ACCOUNTS                                 | Indicates the common event that a user has been added to the system.       |
+| COMMON_EVENT_USER_REMOVED                                    | usual.event.USER_REMOVED                                    | ohos.permission.MANAGE_LOCAL_ACCOUNTS                                 | Indicates the common event that a user has been removed from the system.       |
 | COMMON_EVENT_ABILITY_ADDED                                   | usual.event.ABILITY_ADDED                                   | ohos.permission.LISTEN_BUNDLE_CHANGE                         | Indicates the common event that an ability has been added.    |
 | COMMON_EVENT_ABILITY_REMOVED                                 | usual.event.ABILITY_REMOVED                                 | ohos.permission.LISTEN_BUNDLE_CHANGE                         | Indicates the common event that an ability has been removed.    |
 | COMMON_EVENT_ABILITY_UPDATED                                 | usual.event.ABILITY_UPDATED                                 | ohos.permission.LISTEN_BUNDLE_CHANGE                         | Indicates the common event that an ability has been updated.    |

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

@@ -12,6 +12,9 @@ Double-ended queue (deque) is a sequence container implemented based on the queu
 
 **Recommended use case**: Use **Deque** when you need to frequently insert or remove elements at both the ends of a container.
 
+This topic uses the following to identify the use of generics:
+- T: Type
+
 ## Modules to Import
 
 ```ts
@@ -64,7 +67,7 @@ deque.insertFront("a");
 deque.insertFront(1);
 let b = [1, 2, 3];
 deque.insertFront(b);
-let c = {name : "lala", age : "13"};
+let c = {name : "Dylon", age : "13"};
 deque.insertFront(false);
 ```
 
@@ -90,7 +93,7 @@ deque.insertEnd("a");
 deque.insertEnd(1);
 let b = [1, 2, 3];
 deque.insertEnd(b);
-let c = {name : "lala", age : "13"};
+let c = {name : "Dylon", age : "13"};
 deque.insertEnd(false);
 ```
 
@@ -118,9 +121,9 @@ Checks whether this container has the specified element.
 
 ```ts
 let deque = new Deque();
-let result = deque.has("Ahfbrgrbgnutfodgorrogorg");
-deque.insertFront("Ahfbrgrbgnutfodgorrogorg");
-let result1 = deque.has("Ahfbrgrbgnutfodgorrogorg");
+let result = deque.has("squirrel");
+deque.insertFront("squirrel");
+let result1 = deque.has("squirrel");
 ```
 
 ### popFirst

en/application-dev/reference/apis/js-apis-distributed-account.md

@@ -21,12 +21,13 @@ Obtains a **DistributedAccountAbility** instance.
 
 **System capability**: SystemCapability.Account.OsAccount
 
-- Return value
+**Return value**
+
   | Type| Description|
   | -------- | -------- |
   | [DistributedAccountAbility](#distributedaccountability) | **DistributedAccountAbility** instance obtained. This instance provides methods for querying and updating the login state of a distributed account.|
 
-- Example
+**Example**
   ```js
   const accountAbility = account_distributedAccount.getDistributedAccountAbility();
   ```
@@ -45,12 +46,13 @@ Obtains distributed account information. This API uses an asynchronous callback
 
 **Required permissions**: ohos.permission.MANAGE_LOCAL_ACCOUNTS or ohos.permission.DISTRIBUTED_DATASYNC
 
-- Parameters
+**Parameters**
+
   | Name| Type| Mandatory| Description|
   | -------- | -------- | -------- | -------- |
   | callback | AsyncCallback<[DistributedInfo](#distributedinfo)> | Yes| Callback invoked to return the distributed account information obtained.|
 
-- Example
+**Example**
   ```js
   const accountAbility = account_distributedAccount.getDistributedAccountAbility();
   accountAbility.queryOsAccountDistributedInfo((err, data) => { 
@@ -70,12 +72,13 @@ Obtains distributed account information. This API uses a promise to return the r
 
 **Required permissions**: ohos.permission.MANAGE_LOCAL_ACCOUNTS or ohos.permission.DISTRIBUTED_DATASYNC
 
-- Return value
+**Return value**
+
   | Type| Description|
   | -------- | -------- |
   | Promise<[DistributedInfo](#distributedinfo)> | Promise used to return the distributed account information obtained.|
 
-- Example
+**Example**
   ```js
   const accountAbility = account_distributedAccount.getDistributedAccountAbility();
   accountAbility.queryOsAccountDistributedInfo().then((data) => { 
@@ -96,13 +99,14 @@ Updates distributed account information. This API uses an asynchronous callback
 
 **Required permissions**: ohos.permission.MANAGE_LOCAL_ACCOUNTS
 
-- Parameters
+**Parameters**
+
   | Name| Type| Mandatory| Description|
   | -------- | -------- | -------- | -------- |
   | accountInfo | [DistributedInfo](#distributedinfo) | Yes| Distributed account information.|
   | callback | AsyncCallback<void> | Yes| Callback invoked when the distributed account information is updated.|
 
-- Example
+**Example**
   ```js
   const accountAbility = account_distributedAccount.getDistributedAccountAbility();
   let accountInfo = {id: '12345', name: 'ZhangSan', event: 'Ohos.account.event.LOGIN'};
@@ -121,17 +125,19 @@ Updates distributed account information. This API uses a promise to return the r
 
 **Required permissions**: ohos.permission.MANAGE_LOCAL_ACCOUNTS
 
-- Parameters
+**Parameters**
+
   | Name| Type| Mandatory| Description|
   | -------- | -------- | -------- | -------- |
   | accountInfo | [DistributedInfo](#distributedinfo) | Yes| Distributed account information.|
 
-- Return value
+**Return value**
+
   | Type| Description|
   | -------- | -------- |
   | Promise<void> | Promise used to return the result.|
 
-- Example
+**Example**
   ```js
   const accountAbility = account_distributedAccount.getDistributedAccountAbility();
   let accountInfo = {id: '12345', name: 'ZhangSan', event: 'Ohos.account.event.LOGIN'};

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

@@ -4,7 +4,7 @@ The **EffectKit** module provides basic image processing capabilities, including
 
 This module provides the following classes:
 
-- [Filter](#filter): a class that provides the effect chain.
+- [Filter](#filter): a class that provides the effect chain, which is a linked list of image processing effects.
 - [Color](#color): a class used to store the color picked.
 - [ColorPicker](#colorpicker): a smart color picker.
 
@@ -155,7 +155,7 @@ Obtains the main color of the image and writes the result to a **[Color](#color)
 ```js
 colorPicker.getMainColor().then(color => {
     console.log('Succeeded in getting main color.');
-    console.info("color[ARGB]=" + color.alpha + "," + color.red + "," + color.green + "," + color.blue);
+    console.info(`color[ARGB]=${color.alpha},${color.red},${color.green},${color.blue}`);
 }).catch(error => {
     console.log('Failed to get main color.');
 })

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

@@ -22,6 +22,7 @@ Obtains information about the root album or directory in asynchronous mode. This
 **System capability**: SystemCapability.FileManagement.UserFileService
 
 **Parameters**
+
 | Name| Type| Mandatory| Description|
 | --- | --- | --- | -- |
 | options | Object | No| The options are as follows:<br>- &nbsp;**dev**: See [DevInfo](#devinfo). It is **dev = {name: "local"}** by default if not specified. Currently, only 'local' is supported.|
@@ -83,6 +84,7 @@ Obtains information about the second-level album or files in asynchronous mode.
 **System capability**: SystemCapability.FileManagement.UserFileService
 
 **Parameters**
+
 | Name| Type| Mandatory| Description|
 | --- | --- | --- | -- |
 | path | string | Yes| URI of the directory to query.|
@@ -169,6 +171,7 @@ Creates a file in the specified path in asynchronous mode. This API uses a promi
 **System capability**: SystemCapability.FileManagement.UserFileService
 
 **Parameters**
+
 | Name| Type| Mandatory| Description|
 | --- | --- | --- | -- |
 | filename | string | Yes| Name of the file to create.|

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

@@ -120,3 +120,14 @@ Enumerates the widget dimensions.
 | Dimension_2_4<sup>9+</sup>      | 3   | 2 x 4.  |
 | Dimension_4_4<sup>9+</sup>      | 4   | 4 x 4.  |
 | Dimension_2_1<sup>9+</sup>      | 5   | 2 x 1.  |
+
+
+## FormInfoFilter
+
+Defines the widget information filter. Only the widget information that meets the filter is returned.
+
+**System capability**: SystemCapability.Ability.Form
+
+| Name       |  Yes  | Description        |
+| ----------- | ---- | ------------ |
+| moduleName<sup>9+</sup>   | No  | Module name.|

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

@@ -183,7 +183,7 @@ Obtains the application's widget information that meets a filter criterion on th
 
 | Name| Type   | Mandatory| Description   |
 | ------ | ------ | ---- | ------- |
-| filter | formInfo.FormInfoFilter | Yes| Filter criterion.|
+| filter | [formInfo.FormInfoFilter](./js-apis-formInfo.md#forminfofilter) | Yes| Filter criterion.|
 | callback | AsyncCallback<Array<[FormInfo](./js-apis-formInfo.md#forminfo-1)>> | Yes| Callback used to return the widget information.|
 
 **Example**
@@ -214,7 +214,7 @@ Obtains the application's widget information on the device. This API uses a prom
 
 | Name| Type   | Mandatory| Description   |
 | ------ | ------ | ---- | ------- |
-| filter | formInfo.FormInfoFilter | No| Filter criterion.|
+| filter | [formInfo.FormInfoFilter](./js-apis-formInfo.md) | No| Filter criterion.|
 
 **Return value**
 

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

@@ -12,6 +12,10 @@
 
 **Recommended use case**: Use **HashMap** when you need to quickly access, remove, and insert key-value pairs.
 
+This topic uses the following to identify the use of generics:
+- K: Key
+- V: Value
+
 ## Modules to Import
 
 ```ts
@@ -90,9 +94,9 @@ Checks whether this container contains the specified key.
 
 ```ts
 let hashMap = new HashMap();
-let result = hashMap.hasKey("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-hashMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-let result1 = hashMap.hasKey("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
+let result = hashMap.hasKey("squirrel");
+hashMap.set("squirrel", 123);
+let result1 = hashMap.hasKey("squirrel");
 ```
 
 
@@ -121,7 +125,7 @@ Checks whether this container contains the specified value.
 ```ts
 let hashMap = new HashMap();
 let result = hashMap.hasValue(123);
-hashMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
+hashMap.set("squirrel", 123);
 let result1 = hashMap.hasValue(123);
 ```
 
@@ -150,9 +154,9 @@ Obtains the value of the specified key in this container.
 
 ```ts
 let hashMap = new HashMap();
-hashMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-hashMap.set("sdfs", 356);
-let result = hashMap.get("sdfs");
+hashMap.set("squirrel", 123);
+hashMap.set("sparrow", 356);
+let result = hashMap.get("sparrow");
 ```
 
 
@@ -174,8 +178,8 @@ Adds all elements in a **HashMap** instance to this container.
 
 ```ts
 let hashMap = new HashMap();
-hashMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-hashMap.set("sdfs", 356);
+hashMap.set("squirrel", 123);
+hashMap.set("sparrow", 356);
 let newHashMap = new HashMap();
 hashMap.setAll(newHashMap);
 ```
@@ -194,7 +198,7 @@ Adds an element to this container.
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
 | key | K | Yes| Key of the target element.|
-| value | V | Yes| Value of the element.|
+| value | V | Yes| Value of the target element.|
 
 **Return value**
 
@@ -206,7 +210,7 @@ Adds an element to this container.
 
 ```ts
 let hashMap = new HashMap();
-let result = hashMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
+let result = hashMap.set("squirrel", 123);
 ```
 
 
@@ -234,9 +238,9 @@ Removes an element with the specified key from this container.
 
 ```ts
 let hashMap = new HashMap();
-hashMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-hashMap.set("sdfs", 356);
-let result = hashMap.remove("sdfs");
+hashMap.set("squirrel", 123);
+hashMap.set("sparrow", 356);
+let result = hashMap.remove("sparrow");
 ```
 
 
@@ -252,8 +256,8 @@ Clears this container and sets its length to **0**.
 
 ```ts
 let hashMap = new HashMap();
-hashMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-hashMap.set("sdfs", 356);
+hashMap.set("squirrel", 123);
+hashMap.set("sparrow", 356);
 hashMap.clear();
 ```
 
@@ -276,8 +280,8 @@ Obtains an iterator that contains all the elements in this container.
 
 ```ts
 let hashMap = new HashMap();
-hashMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-hashMap.set("sdfs", 356);
+hashMap.set("squirrel", 123);
+hashMap.set("sparrow", 356);
 let iter = hashMap.keys();
 let temp = iter.next().value;
 while(temp != undefined) {
@@ -305,8 +309,8 @@ Obtains an iterator that contains all the values in this container.
 
 ```ts
 let hashMap = new HashMap();
-hashMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-hashMap.set("sdfs", 356);
+hashMap.set("squirrel", 123);
+hashMap.set("sparrow", 356);
 let iter = hashMap.values();
 let temp = iter.next().value;
 while(temp != undefined) {
@@ -341,8 +345,8 @@ Replaces an element in this container.
 
 ```ts
 let hashMap = new HashMap();
-hashMap.set("sdfs", 123);
-let result = hashMap.replace("sdfs", 357);
+hashMap.set("sparrow", 123);
+let result = hashMap.replace("sparrow", 357);
 ```
 
 
@@ -372,8 +376,8 @@ callbackfn
 
 ```ts
 let hashMap = new HashMap();
-hashMap.set("sdfs", 123);
-hashMap.set("dfsghsf", 357);
+hashMap.set("sparrow", 123);
+hashMap.set("gull", 357);
 hashMap.forEach((value, key) => {
   console.log("value:" + value, key);
 });
@@ -398,8 +402,8 @@ Obtains an iterator that contains all the elements in this container.
 
 ```ts
 let hashMap = new HashMap();
-hashMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-hashMap.set("sdfs", 356);
+hashMap.set("squirrel", 123);
+hashMap.set("sparrow", 356);
 let iter = hashMap.entries();
 let temp = iter.next().value;
 while(temp != undefined) {
@@ -427,8 +431,8 @@ Obtains an iterator, each item of which is a JavaScript object.
 **Example**
 ```ts
 let hashMap = new HashMap();
-hashMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-hashMap.set("sdfs", 356);
+hashMap.set("squirrel", 123);
+hashMap.set("sparrow", 356);
 
 // Method 1:
 for (let item of hashMap) { 

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

@@ -10,6 +10,9 @@ Unlike [TreeSet](js-apis-treeset.md), which stores and accesses data in sorted o
 
 **Recommended use case**: Use **HashSet** when you need a set that has only unique elements or need to deduplicate a set.
 
+This topic uses the following to identify the use of generics:
+- T: Type
+
 ## Modules to Import
 
 ```ts
@@ -26,6 +29,17 @@ import HashSet from '@ohos.util.HashSet';
 | -------- | -------- | -------- | -------- | -------- |
 | length | number | Yes| No| Number of elements in a hash set (called container later).|
 
+**Example**
+
+```ts
+let hashSet = new HashSet();
+hashSet.add(1);
+hashSet.add(2);
+hashSet.add(3);
+hashSet.add(4);
+hashSet.add(5);
+let res = hashSet.length;
+```
 
 ### constructor
 
@@ -88,9 +102,9 @@ Checks whether this container contains the specified element.
 
 ```ts
 let hashSet = new HashSet();
-let result = hashSet.has("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-hashSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-let result1 = hashSet.has("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
+let result = hashSet.has("squirrel");
+hashSet.add("squirrel");
+let result1 = hashSet.has("squirrel");
 ```
 
 
@@ -118,7 +132,7 @@ Adds an element to this container.
 
 ```ts
 let hashSet = new HashSet();
-let result = hashSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
+let result = hashSet.add("squirrel");
 ```
 
 
@@ -146,9 +160,9 @@ Removes an element from this container.
 
 ```ts
 let hashSet = new HashSet();
-hashSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-hashSet.add("sdfs");
-let result = hashSet.remove("sdfs");
+hashSet.add("squirrel");
+hashSet.add("sparrow");
+let result = hashSet.remove("sparrow");
 ```
 
 
@@ -164,8 +178,8 @@ Clears this container and sets its length to **0**.
 
 ```ts
 let hashSet = new HashSet();
-hashSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-hashSet.add("sdfs");
+hashSet.add("squirrel");
+hashSet.add("sparrow");
 hashSet.clear();
 ```
 
@@ -188,8 +202,8 @@ Obtains an iterator that contains all the values in this container.
 
 ```ts
 let hashSet = new HashSet();
-hashSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-hashSet.add("sdfs");
+hashSet.add("squirrel");
+hashSet.add("sparrow");
 let iter = hashSet.values();
 let temp = iter.next().value;
 while(temp != undefined) {
@@ -225,8 +239,8 @@ callbackfn
 
 ```ts
 let hashSet = new HashSet();
-hashSet.add("sdfs");
-hashSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
+hashSet.add("sparrow");
+hashSet.add("squirrel");
 hashSet.forEach((value, key) => {
   console.log("value:" + value, key);
 });
@@ -250,8 +264,8 @@ Obtains an iterator that contains all the elements in this container.
 
 ```ts
 let hashSet = new HashSet();
-hashSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-hashSet.add("sdfs");
+hashSet.add("squirrel");
+hashSet.add("sparrow");
 let iter = hashSet.entries();
 let temp = iter.next().value;
 while(temp != undefined) {
@@ -280,8 +294,8 @@ Obtains an iterator, each item of which is a JavaScript object.
 
 ```ts
 let hashSet = new HashSet();
-hashSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-hashSet.add("sdfs");
+hashSet.add("squirrel");
+hashSet.add("sparrow");
 
 // Method 1:
 for (let item of hashSet) { 

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

@@ -115,7 +115,7 @@ const readBuffer = new ArrayBuffer(96);
 pixelmap.readPixelsToBuffer(readBuffer).then(() => {
     console.log('Succeeded in reading image pixel data.'); // Called if the condition is met.
 }).catch(error => {
-    ('Failed to read image pixel data.'); // Called if no condition is met.
+    console.log('Failed to read image pixel data.'); // Called if no condition is met.
 })
 ```
 
@@ -261,12 +261,7 @@ image.createPixelMap(color, opts)
         }
 
         pixelmap.writePixels(area).then(() => {
-            const readArea = { pixels: new ArrayBuffer(8),
-                offset: 0,
-                stride: 8,
-                // region.size.width + x < opts.width, region.size.height + y < opts.height
-                region: { size: { height: 1, width: 2 }, x: 0, y: 0 }
-            }        
+		    console.info('Succeeded to write pixelmap into the specified area.');
         })
     }).catch(error => {
         console.log('error: ' + error);
@@ -291,17 +286,20 @@ Writes image pixel map data to an area. This API uses an asynchronous callback t
 **Example**
 
 ```js
-const area = new ArrayBuffer(400);
+const area = { pixels: new ArrayBuffer(8),
+    offset: 0,
+    stride: 8,
+    region: { size: { height: 1, width: 2 }, x: 0, y: 0 }
+}
+let bufferArr = new Uint8Array(area.pixels);
+for (var i = 0; i < bufferArr.length; i++) {
+    bufferArr[i] = i + 1;
+}
 pixelmap.writePixels(area, (error) => {
     if (error != undefined) {
 		console.info('Failed to write pixelmap into the specified area.');
 	} else {
-	    const readArea = {
-            pixels: new ArrayBuffer(20),
-            offset: 0,
-            stride: 8,
-            region: { size: { height: 1, width: 2 }, x: 0, y: 0 },
-        }
+		console.info('Succeeded to write pixelmap into the specified area.');
 	}
 })
 ```
@@ -330,9 +328,11 @@ Reads image data in an **ArrayBuffer** and writes the data to a **PixelMap** obj
 
 ```js
 const color = new ArrayBuffer(96);
-const pixelMap = new ArrayBuffer(400);
 let bufferArr = new Uint8Array(color);
-pixelMap.writeBufferToPixels(color).then(() => {
+for (var i = 0; i < bufferArr.length; i++) {
+    bufferArr[i] = i + 1;
+}
+pixelmap.writeBufferToPixels(color).then(() => {
     console.log("Succeeded in writing data from a buffer to a PixelMap.");
 }).catch((err) => {
     console.error("Failed to write data from a buffer to a PixelMap.");
@@ -358,9 +358,11 @@ Reads image data in an **ArrayBuffer** and writes the data to a **PixelMap** obj
 
 ```js
 const color = new ArrayBuffer(96);
-const pixelMap = new ArrayBuffer(400);
 let bufferArr = new Uint8Array(color);
-pixelMap.writeBufferToPixels(color, function(err) {
+for (var i = 0; i < bufferArr.length; i++) {
+    bufferArr[i] = i + 1;
+}
+pixelmap.writeBufferToPixels(color, function(err) {
     if (err) {
         console.error("Failed to write data from a buffer to a PixelMap.");
         return;
@@ -387,12 +389,22 @@ Obtains pixel map information of this image. This API uses a promise to return t
 **Example**
 
 ```js
-const pixelMap = new ArrayBuffer(400);
-pixelMap.getImageInfo().then(function(info) {
-    console.log("Succeeded in obtaining the image pixel map information.");
-}).catch((err) => {
+const color = new ArrayBuffer(96);
+let opts = { editable: true, pixelFormat: 2, size: { height: 6, width: 8 } }
+image.createPixelMap(color, opts).then(pixelmap => {
+    globalpixelmap = pixelmap;
+    if (pixelmap == undefined) {
         console.error("Failed to obtain the image pixel map information.");
-});
+    }
+    pixelmap.getImageInfo().then(imageInfo => {
+        if (imageInfo == undefined) {
+            console.error("Failed to obtain the image pixel map information.");
+        }
+        if (imageInfo.size.height == 4 && imageInfo.size.width == 6) {
+            console.log("Succeeded in obtaining the image pixel map information.");
+        }
+    })
+})
 ```
 
 ### getImageInfo<sup>7+</sup>
@@ -412,8 +424,21 @@ Obtains pixel map information of this image. This API uses an asynchronous callb
 **Example**
 
 ```js
-pixelmap.getImageInfo((imageInfo) => { 
+const color = new ArrayBuffer(96);
+let opts = { editable: true, pixelFormat: 3, size: { height: 4, width: 6 } }
+image.createPixelMap(color, opts, (err, pixelmap) => {
+    if (pixelmap == undefined) {
+        globalpixelmap = pixelmap;
+        console.error("Failed to obtain the image pixel map information.");
+    }
+    pixelmap.getImageInfo((err, imageInfo) => {
+        if (imageInfo == undefined) {
+            console.error("Failed to obtain the image pixel map information.");
+        }
+        if (imageInfo.size.height == 4 && imageInfo.size.width == 6) {
             console.log("Succeeded in obtaining the image pixel map information.");
+        }
+    })
 })
 ```
 
@@ -500,9 +525,15 @@ Sets an opacity rate for this image pixel map. This API uses an asynchronous cal
 **Example**
 
 ```js
-async function () {
-	await pixelMap.opacity(0.5);
-}
+var rate = 0.5;
+pixelmap.opacity(rate, (err) => {
+	if (err) {
+        console.error("Failed to set opacity.");
+        return;
+    } else {
+        console.log("Succeeded in setting opacity.");
+	}
+})
 ```
 
 ### opacity<sup>9+</sup>
@@ -529,7 +560,8 @@ Sets an opacity rate for this image pixel map. This API uses a promise to return
 
 ```js
 async function () {
-	await pixelMap.opacity(0.5);
+    var rate = 0.5;
+	await pixelmap.opacity(rate);
 }
 ```
 
@@ -550,12 +582,8 @@ Creates a **PixelMap** object that contains only the alpha channel information.
 **Example**
 
 ```js
-pixelMap.createAlphaPixelmap(async (err, alphaPixelMap) => {
-    if (alphaPixelMap == undefined) {
-        console.info('Failed to obtain new pixel map.');
-    } else {
-        console.info('Succeed in obtaining new pixel map.');
-    }
+async function () {
+    await pixelmap.createAlphaPixelmap();    
 })
 ```
 
@@ -576,14 +604,13 @@ Creates a **PixelMap** object that contains only the alpha channel information.
 **Example**
 
 ```js
-let pixelMap = await imageSource.createPixelMap();
-if (pixelMap != undefined) {
-    pixelMap.createAlphaPixelmap(async (err, alphaPixelMap) => {
+pixelmap.createAlphaPixelmap((err, alphaPixelMap) => {
+    if (alphaPixelMap == undefined) {
         console.info('Failed to obtain new pixel map.');
-    })
-} else {
+    } else {
         console.info('Succeed in obtaining new pixel map.');
-}
+    }
+})
 ```
 
 ### scale<sup>9+</sup>
@@ -606,7 +633,7 @@ Scales this image based on the input width and height. This API uses an asynchro
 
 ```js
 async function () {
-	await pixelMap.scale(2.0, 1.0);
+	await pixelmap.scale(2.0, 1.0);
 }
 ```
 
@@ -635,7 +662,7 @@ Scales this image based on the input width and height. This API uses a promise t
 
 ```js
 async function () {
-	await pixelMap.scale(2.0, 1.0);
+	await pixelmap.scale(2.0, 1.0);
 }
 ```
 
@@ -659,7 +686,7 @@ Translates this image based on the input coordinates. This API uses an asynchron
 
 ```js
 async function () {
-	await pixelMap.translate(3.0, 1.0);
+	await pixelmap.translate(3.0, 1.0);
 }
 ```
 
@@ -688,7 +715,7 @@ Translates this image based on the input coordinates. This API uses a promise to
 
 ```js
 async function () {
-	await pixelMap.translate(3.0, 1.0);
+	await pixelmap.translate(3.0, 1.0);
 }
 ```
 
@@ -711,7 +738,7 @@ Rotates this image based on the input angle. This API uses an asynchronous callb
 
 ```js
 async function () {
-	await pixelMap.rotate(90.0);
+	await pixelmap.rotate(90.0);
 }
 ```
 
@@ -739,7 +766,7 @@ Rotates this image based on the input angle. This API uses a promise to return t
 
 ```js
 async function () {
-	await pixelMap.rotate(90.0);
+	await pixelmap.rotate(90.0);
 }
 ```
 
@@ -763,7 +790,7 @@ Flips this image horizontally or vertically, or both. This API uses an asynchron
 
 ```js
 async function () {
-	await pixelMap.flip(false, true);
+	await pixelmap.flip(false, true);
 }
 ```
 
@@ -792,7 +819,7 @@ Flips this image horizontally or vertically, or both. This API uses a promise to
 
 ```js
 async function () {
-	await pixelMap.flip(false, true);
+	await pixelmap.flip(false, true);
 }
 ```
 
@@ -815,7 +842,7 @@ Crops this image based on the input size. This API uses an asynchronous callback
 
 ```js
 async function () {
-	await pixelMap.crop({ x: 0, y: 0, size: { height: 100, width: 100 } });
+	await pixelmap.crop({ x: 0, y: 0, size: { height: 100, width: 100 } });
 }
 ```
 
@@ -843,7 +870,7 @@ Crops this image based on the input size. This API uses a promise to return the
 
 ```js
 async function () {
-	await pixelMap.crop({ x: 0, y: 0, size: { height: 100, width: 100 } });
+	await pixelmap.crop({ x: 0, y: 0, size: { height: 100, width: 100 } });
 }
 ```
 
@@ -954,7 +981,8 @@ Creates an **ImageSource** instance based on the URI.
 **Example**
 
 ```js
-const imageSourceApi = image.createImageSource('/sdcard/test.jpg');
+var sourceOptions = { sourceDensity: 120 };
+let imageSource = image.createImageSource('test.png', sourceOptions);
 ```
 
 ## image.createImageSource<sup>7+</sup>
@@ -1007,7 +1035,8 @@ Creates an **ImageSource** instance based on the file descriptor.
 **Example**
 
 ```js
-const imageSourceApi = image.createImageSource(fd);
+var sourceOptions = { sourceDensity: 120 };
+const imageSourceApi = image.createImageSource(0, sourceOptions);
 ```
 
 ## image.createImageSource<sup>9+</sup>
@@ -1059,9 +1088,9 @@ const data = new ArrayBuffer(112);
 const imageSourceApi = image.createImageSource(data);
 ```
 
-## image.CreateIncrementalSource<sup>9+</sup>
+## image.createIncrementalSource<sup>9+</sup>
 
-CreateIncrementalSource(buf: ArrayBuffer): ImageSource
+createIncrementalSource(buf: ArrayBuffer): ImageSource
 
 Creates an **ImageSource** instance in incremental mode based on the buffers.
 
@@ -1083,12 +1112,12 @@ Creates an **ImageSource** instance in incremental mode based on the buffers.
 
 ```js
 const buf = new ArrayBuffer(96);
-const imageSourceApi = image.CreateIncrementalSource(buf);
+const imageSourceIncrementalSApi = image.createIncrementalSource(buf);
 ```
 
-## image.CreateIncrementalSource<sup>9+</sup>
+## image.createIncrementalSource<sup>9+</sup>
 
-CreateIncrementalSource(buf: ArrayBuffer, options?: SourceOptions): ImageSource
+createIncrementalSource(buf: ArrayBuffer, options?: SourceOptions): ImageSource
 
 Creates an **ImageSource** instance in incremental mode based on the buffers.
 
@@ -1111,7 +1140,7 @@ Creates an **ImageSource** instance in incremental mode based on the buffers.
 
 ```js
 const buf = new ArrayBuffer(96);
-const imageSourceApi = image.CreateIncrementalSource(buf);
+const imageSourceIncrementalSApi = image.createIncrementalSource(buf);
 ```
 
 ## ImageSource
@@ -1124,7 +1153,7 @@ Provides APIs to obtain image information. Before calling any API in **ImageSour
 
 | Name            | Type          | Readable| Writable| Description                                                        |
 | ---------------- | -------------- | ---- | ---- | ------------------------------------------------------------ |
-| supportedFormats | Array\<string> | Yes  | No  | Supported image formats, including png, jpeg, wbmp, bmp, gif, webp, and heif.|
+| supportedFormats | Array\<string> | Yes  | No  | Supported image formats, including PNG, JPEG, BMP, GIF, WebP, and RAW.|
 
 ### getImageInfo
 
@@ -1282,7 +1311,7 @@ Obtains the value of a property in this image. This API uses an asynchronous cal
 **Example**
 
 ```js
-const property = new ArrayBuffer(400);
+let property = { index: 0, defaultValue: '9999' }
 imageSourceApi.getImageProperty("BitsPerSample",property,(error,data) => { 
     if(error) {
         console.log('Failed to get the value of the specified attribute key of the image.');
@@ -1477,7 +1506,15 @@ Creates a **PixelMap** object based on image decoding parameters. This API uses
 **Example**
 
 ```js
-const decodingOptions = new ArrayBuffer(400);
+let decodingOptions = {
+    sampleSize: 1,
+    editable: true,
+    desiredSize: { width: 1, height: 2 },
+    rotate: 10,
+    desiredPixelFormat: 3,
+    desiredRegion: { size: { height: 1, width: 2 }, x: 0, y: 0 },
+    index: 0
+};
 imageSourceApi.createPixelMap(decodingOptions, pixelmap => { 
     console.log('Succeeded in creating pixelmap object.');
 })
@@ -1551,7 +1588,7 @@ const imagePackerApi = image.createImagePacker();
 
 ## ImagePacker
 
-Provide APIs to pack images. Before calling any API in **ImagePacker**, you must use **createImagePacker** to create an **ImagePacker** instance.
+Provides APIs to pack images. Before calling any API in **ImagePacker**, you must use **createImagePacker** to create an **ImagePacker** instance. The image formats JPEG and WebP are supported.
 
 ### Attributes
 
@@ -1581,7 +1618,6 @@ Packs an image. This API uses an asynchronous callback to return the result.
 
 ```js
 let packOpts = { format:"image/jpeg", quality:98 };
-const imageSourceApi = new ArrayBuffer(400);
 imagePackerApi.packing(imageSourceApi, packOpts, data => {})
 ```
 
@@ -1610,7 +1646,6 @@ Packs an image. This API uses a promise to return the result.
 
 ```js
 let packOpts = { format:"image/jpeg", quality:98 }
-const imageSourceApi = new ArrayBuffer(400);
 imagePackerApi.packing(imageSourceApi, packOpts)
     .then( data => {
         console.log('packing succeeded.');
@@ -2146,8 +2181,8 @@ Enumerates the pixel formats of images.
 | ---------------------- | ------ | ----------------- |
 | UNKNOWN                | 0      | Unknown format.       |
 | RGB_565                | 2      | RGB_565.    |
-| RGBA_8888              | 3      | RGBA_8888.|
-| BGRA_8888<sup>9+</sup> | 4      | BGRA_8888.|
+| RGBA_8888              | 3      | RGBA_8888.  |
+| BGRA_8888<sup>9+</sup> | 4      | BGRA_8888.  |
 
 ## AlphaType<sup>9+</sup>
 
@@ -2236,7 +2271,7 @@ Defines the option for image packing.
 
 | Name   | Type  | Readable| Writable| Description                                               |
 | ------- | ------ | ---- | ---- | --------------------------------------------------- |
-| format  | string | Yes  | Yes  | Format of the packed image.<br>Currently, the following raw formats are supported: .jpg, .png, .gif, .bmp, and .webp. |
+| format  | string | Yes  | Yes  | Format of the packed image.<br>Currently, the JPEG and WebP formats are supported. |
 | quality | number | Yes  | Yes  | Quality of the output image during JPEG encoding. The value ranges from 1 to 100.|
 
 ## GetImagePropertyOptions<sup>7+</sup>

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

@@ -12,6 +12,10 @@ Compared with **[HashMap](js-apis-hashmap.md)**, which can also store KV pairs,
 
 **Recommended use case**: Use LightWeightMap when you need to store and access **KV pairs**.
 
+This topic uses the following to identify the use of generics:
+- K: Key
+- V: Value
+
 ## Modules to Import
 
 ```ts
@@ -92,10 +96,10 @@ Checks whether this container contains all elements of the specified **LightWeig
 
 ```ts
 let lightWeightMap = new LightWeightMap();
-lightWeightMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-lightWeightMap.set("sdfs", 356);
+lightWeightMap.set("squirrel", 123);
+lightWeightMap.set("sparrow", 356);
 let map = new LightWeightMap();
-map.set("sdfs", 356);
+map.set("sparrow", 356);
 let result = lightWeightMap.hasAll(map);
 ```
 
@@ -125,9 +129,9 @@ Checks whether this container contains the specified key.
 ```ts
 let lightWeightMap = new LightWeightMap();
 let result = lightWeightMap.hasKey;
-lightWeightMap.hasKey("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-lightWeightMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-let result1 = lightWeightMap.hasKey("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
+lightWeightMap.hasKey("squirrel");
+lightWeightMap.set("squirrel", 123);
+let result1 = lightWeightMap.hasKey("squirrel");
 ```
 
 
@@ -156,7 +160,7 @@ Checks whether this container contains the specified value.
 ```ts
 let lightWeightMap = new LightWeightMap();
 let result = lightWeightMap.hasValue(123);
-lightWeightMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
+lightWeightMap.set("squirrel", 123);
 let result1 = lightWeightMap.hasValue(123);
 ```
 
@@ -207,9 +211,9 @@ Obtains the value of the specified key in this container.
 
 ```ts
 let lightWeightMap = new LightWeightMap();
-lightWeightMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-lightWeightMap.set("sdfs", 356);
-let result = lightWeightMap.get("sdfs");
+lightWeightMap.set("squirrel", 123);
+lightWeightMap.set("sparrow", 356);
+let result = lightWeightMap.get("sparrow");
 ```
 
 
@@ -237,9 +241,9 @@ Obtains the index of the first occurrence of an element with the specified key i
 
 ```ts
 let lightWeightMap = new LightWeightMap();
-lightWeightMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-lightWeightMap.set("sdfs", 356);
-let result = lightWeightMap.getIndexOfKey("sdfs");
+lightWeightMap.set("squirrel", 123);
+lightWeightMap.set("sparrow", 356);
+let result = lightWeightMap.getIndexOfKey("sparrow");
 ```
 
 
@@ -267,8 +271,8 @@ Obtains the index of the first occurrence of an element with the specified value
 
 ```ts
 let lightWeightMap = new LightWeightMap();
-lightWeightMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-lightWeightMap.set("sdfs", 356);
+lightWeightMap.set("squirrel", 123);
+lightWeightMap.set("sparrow", 356);
 let result = lightWeightMap.getIndexOfValue(123);
 ```
 
@@ -297,8 +301,8 @@ Obtains the key of an element at the specified position in this container.
 
 ```ts
 let lightWeightMap = new LightWeightMap();
-lightWeightMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-lightWeightMap.set("sdfs", 356);
+lightWeightMap.set("squirrel", 123);
+lightWeightMap.set("sparrow", 356);
 let result = lightWeightMap.getKeyAt(1);
 ```
 
@@ -321,8 +325,8 @@ Adds all elements in a **LightWeightMap** instance to this container.
 
 ```ts
 let lightWeightMap = new LightWeightMap();
-lightWeightMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-lightWeightMap.set("sdfs", 356);
+lightWeightMap.set("squirrel", 123);
+lightWeightMap.set("sparrow", 356);
 let map = new LightWeightMap();
 lightWeightMap.setAll(map);
 ```
@@ -352,7 +356,7 @@ Adds an element to this container.
 
 ```ts
 let lightWeightMap = new LightWeightMap();
-let result = lightWeightMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
+let result = lightWeightMap.set("squirrel", 123);
 ```
 
 
@@ -380,9 +384,9 @@ Removes an element with the specified key from this container.
 
 ```ts
 let lightWeightMap = new LightWeightMap();
-lightWeightMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-lightWeightMap.set("sdfs", 356);
-lightWeightMap.remove("sdfs");
+lightWeightMap.set("squirrel", 123);
+lightWeightMap.set("sparrow", 356);
+lightWeightMap.remove("sparrow");
 ```
 
 
@@ -410,8 +414,8 @@ Removes an element at the specified position from this container.
 
 ```ts
 let lightWeightMap = new LightWeightMap();
-lightWeightMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-lightWeightMap.set("sdfs", 356);
+lightWeightMap.set("squirrel", 123);
+lightWeightMap.set("sparrow", 356);
 let result = lightWeightMap.removeAt(1);
 ```
 
@@ -441,8 +445,8 @@ Sets a value for an element at the specified position in this container.
 
 ```ts
 let lightWeightMap = new LightWeightMap();
-lightWeightMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-lightWeightMap.set("sdfs", 356);
+lightWeightMap.set("squirrel", 123);
+lightWeightMap.set("sparrow", 356);
 lightWeightMap.setValueAt(1, 3546);
 ```
 
@@ -471,8 +475,8 @@ Obtains the value of an element at the specified position in this container.
 
 ```ts
 let lightWeightMap = new LightWeightMap();
-lightWeightMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-lightWeightMap.set("sdfs", 356);
+lightWeightMap.set("squirrel", 123);
+lightWeightMap.set("sparrow", 356);
 let result = lightWeightMap.getValueAt(1);
 ```
 
@@ -489,8 +493,8 @@ Clears this container and sets its length to **0**.
 
 ```ts
 let lightWeightMap = new LightWeightMap();
-lightWeightMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-lightWeightMap.set("sdfs", 356);
+lightWeightMap.set("squirrel", 123);
+lightWeightMap.set("sparrow", 356);
 lightWeightMap.clear();
 ```
 
@@ -513,8 +517,8 @@ Obtains an iterator that contains all the keys in this container.
 
 ```ts
 let lightWeightMap = new LightWeightMap();
-lightWeightMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-lightWeightMap.set("sdfs", 356);
+lightWeightMap.set("squirrel", 123);
+lightWeightMap.set("sparrow", 356);
 let iter = lightWeightMap.keys();
 let temp = iter.next().value;
 while(temp != undefined) {
@@ -542,8 +546,8 @@ Obtains an iterator that contains all the values in this container.
 
 ```ts
 let lightWeightMap = new LightWeightMap();
-lightWeightMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-lightWeightMap.set("sdfs", 356);
+lightWeightMap.set("squirrel", 123);
+lightWeightMap.set("sparrow", 356);
 let iter = lightWeightMap.values();
 let temp = iter.next().value;
 while(temp != undefined) {
@@ -579,8 +583,8 @@ callbackfn
 
 ```ts
 let lightWeightMap = new LightWeightMap();
-lightWeightMap.set("sdfs", 123);
-lightWeightMap.set("dfsghsf", 357);
+lightWeightMap.set("sparrow", 123);
+lightWeightMap.set("gull", 357);
 lightWeightMap.forEach((value, key) => {
   console.log("value:" + value, key);
 });
@@ -605,8 +609,8 @@ Obtains an iterator that contains all the elements in this container.
 
 ```ts
 let lightWeightMap = new LightWeightMap();
-lightWeightMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-lightWeightMap.set("sdfs", 356);
+lightWeightMap.set("squirrel", 123);
+lightWeightMap.set("sparrow", 356);
 let iter = lightWeightMap.entries();
 let temp = iter.next().value;
 while(temp != undefined) {
@@ -634,8 +638,8 @@ Concatenates the elements in this container into a string and returns the string
 
   ```ts
   let lightWeightMap = new LightWeightMap();
-  lightWeightMap.set("A", 123);
-  lightWeightMap.set("sdfs", 356);
+  lightWeightMap.set("squirrel", 123);
+  lightWeightMap.set("sparrow", 356);
   let iter = lightWeightMap.toString();
   ```
 
@@ -657,8 +661,8 @@ Obtains an iterator, each item of which is a JavaScript object.
 
 ```ts
 let lightWeightMap = new LightWeightMap();
-lightWeightMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-lightWeightMap.set("sdfs", 356);
+lightWeightMap.set("squirrel", 123);
+lightWeightMap.set("sparrow", 356);
 
 // Method 1:
 for (let item of lightWeightMap) { 

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

@@ -14,6 +14,9 @@ Compared with **[HashSet](js-apis-hashset.md)**, which can also store values, **
 
 **Recommended use case**: Use **LightWeightSet** when you need a set that has only unique elements or need to deduplicate a set.
 
+This topic uses the following to identify the use of generics:
+- T: Type
+
 ## Modules to Import
 
 ```ts
@@ -93,7 +96,7 @@ Adds an element to this container.
 
 ```ts
 let lightWeightSet = new LightWeightSet();
-let result = lightWeightSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
+let result = lightWeightSet.add("squirrel");
 ```
 
 
@@ -115,10 +118,10 @@ Adds all elements in a **LightWeightSet** instance to this container.
 
 ```ts
 let lightWeightSet = new LightWeightSet();
-lightWeightSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-lightWeightSet.add("sdfs");
+lightWeightSet.add("squirrel");
+lightWeightSet.add("sparrow");
 let set = new LightWeightSet();
-set.add("sfage");
+set.add("gull");
 let result = lightWeightSet.addAll(set);
 ```
 
@@ -147,10 +150,10 @@ Checks whether this container contains all elements of the specified **LightWeig
 
 ```ts
 let lightWeightSet = new LightWeightSet();
-lightWeightSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-lightWeightSet.add("sdfs");
+lightWeightSet.add("squirrel");
+lightWeightSet.add("sparrow");
 let set = new LightWeightSet();
-set.add("sdfs");
+set.add("sparrow");
 let result = lightWeightSet.hasAll(set);
 ```
 
@@ -209,9 +212,9 @@ Checks whether this container contains objects of the same type as the specified
 
 ```ts
 let lightWeightSet = new LightWeightSet();
-lightWeightSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-lightWeightSet.add("sdfs");
-let obj = ["Ahfbrgrbgnutfodgorrogorgrogofdfdf", "sdfs"];
+lightWeightSet.add("squirrel");
+lightWeightSet.add("sparrow");
+let obj = ["squirrel", "sparrow"];
 let result = lightWeightSet.equal(obj);
 ```
 
@@ -262,9 +265,9 @@ Obtains the position index of the element with the specified key in this contain
 
 ```ts
 let lightWeightSet = new LightWeightSet();
-lightWeightSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-lightWeightSet.add("sdfs");
-let result = lightWeightSet.getIndexOf("sdfs");
+lightWeightSet.add("squirrel");
+lightWeightSet.add("sparrow");
+let result = lightWeightSet.getIndexOf("sparrow");
 ```
 
 
@@ -292,9 +295,9 @@ Removes an element of the specified key from this container.
 
 ```ts
 let lightWeightSet = new LightWeightSet();
-lightWeightSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-lightWeightSet.add("sdfs");
-let result = lightWeightSet.remove("sdfs");
+lightWeightSet.add("squirrel");
+lightWeightSet.add("sparrow");
+let result = lightWeightSet.remove("sparrow");
 ```
 
 
@@ -322,8 +325,8 @@ Removes the element at the specified position from this container.
 
 ```ts
 let lightWeightSet = new LightWeightSet();
-lightWeightSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-lightWeightSet.add("sdfs");
+lightWeightSet.add("squirrel");
+lightWeightSet.add("sparrow");
 let result = lightWeightSet.removeAt(1);
 ```
 
@@ -352,8 +355,8 @@ Obtains the value of the element at the specified position in this container.
 
 ```ts
 let lightWeightSet = new LightWeightSet();
-lightWeightSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-lightWeightSet.add("sdfs");
+lightWeightSet.add("squirrel");
+lightWeightSet.add("sparrow");
 let result = lightWeightSet.getValueAt(1);
 ```
 
@@ -370,8 +373,8 @@ Clears this container and sets its length to **0**.
 
 ```ts
 let lightWeightSet = new LightWeightSet();
-lightWeightSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-lightWeightSet.add("sdfs");
+lightWeightSet.add("squirrel");
+lightWeightSet.add("sparrow");
 lightWeightSet.clear();
 ```
 
@@ -394,8 +397,8 @@ Obtains a string that contains all elements in this container.
 
 ```ts
 let lightWeightSet = new LightWeightSet();
-lightWeightSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-lightWeightSet.add("sdfs");
+lightWeightSet.add("squirrel");
+lightWeightSet.add("sparrow");
 let result = lightWeightSet.toString();
 ```
 
@@ -418,8 +421,8 @@ Obtains an array that contains all objects in this container.
 
 ```ts
 let lightWeightSet = new LightWeightSet();
-lightWeightSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-lightWeightSet.add("sdfs");
+lightWeightSet.add("squirrel");
+lightWeightSet.add("sparrow");
 let result = lightWeightSet.toArray();
 ```
 
@@ -442,8 +445,8 @@ Obtains an iterator that contains all the values in this container.
 
 ```ts
 let lightWeightSet = new LightWeightSet();
-lightWeightSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-lightWeightSet.add("sdfs");
+lightWeightSet.add("squirrel");
+lightWeightSet.add("sparrow");
 let iter = lightWeightSet.values();
 let index = 0;
 while(index < lightWeightSet.length) {
@@ -479,8 +482,8 @@ callbackfn
 
 ```ts
 let lightWeightSet = new LightWeightSet();
-lightWeightSet.add("sdfs");
-lightWeightSet.add("dfsghsf");
+lightWeightSet.add("sparrow");
+lightWeightSet.add("gull");
 lightWeightSet.forEach((value, key) => {
   console.log("value:" + value, key);
 });
@@ -505,8 +508,8 @@ Obtains an iterator that contains all the elements in this container.
 
 ```ts
 let lightWeightSet = new LightWeightSet();
-lightWeightSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-lightWeightSet.add("sdfs");
+lightWeightSet.add("squirrel");
+lightWeightSet.add("sparrow");
 let iter = lightWeightSet.entries();
 let index = 0;
 while(index < lightWeightSet.length) {
@@ -534,8 +537,8 @@ Obtains an iterator, each item of which is a JavaScript object.
 
 ```ts
 let lightWeightSet = new LightWeightSet();
-lightWeightSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-lightWeightSet.add("sdfs");
+lightWeightSet.add("squirrel");
+lightWeightSet.add("sparrow");
 
 // Method 1:
 for (let item of lightWeightSet) { 

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

@@ -12,6 +12,9 @@ Unlike **[List](js-apis-list.md)**, which is a singly linked list, **LinkedList*
 
 **Recommended use case**: Use **LinkedList** for frequent insertion and removal operations.
 
+This topic uses the following to identify the use of generics:
+- T: Type
+
 ## Modules to Import
 
 ```ts
@@ -76,7 +79,7 @@ let result = linkedList.add("a");
 let result1 = linkedList.add(1);
 let b = [1, 2, 3];
 linkedList.add(b);
-let c = {name : "lala", age : "13"};
+let c = {name : "Dylon", age : "13"};
 let result3 = linkedList.add(false);
 ```
 
@@ -102,7 +105,7 @@ linkedList.addFirst("a");
 linkedList.addFirst(1);
 let b = [1, 2, 3];
 linkedList.addFirst(b);
-let c = {name : "lala", age : "13"};
+let c = {name : "Dylon", age : "13"};
 linkedList.addFirst(false);
 ```
 
@@ -154,9 +157,9 @@ Checks whether this container has the specified element.
 
 ```ts
 let linkedList = new LinkedList();
-let result1 = linkedList.has("Ahfbrgrbgnutfodgorrogorg");
-linkedList.add("Ahfbrgrbgnutfodgorrogorg");
-let result = linkedList.has("Ahfbrgrbgnutfodgorrogorg");
+let result1 = linkedList.has("squirrel");
+linkedList.add("squirrel");
+let result = linkedList.has("squirrel");
 ```
 
 ### get

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

@@ -10,6 +10,9 @@ Unlike [LinkedList](js-apis-linkedlist.md), which is a doubly linked list, **Lis
 
 **Recommended use case**: Use **List** for frequent insertion and removal operations.
 
+This topic uses the following to identify the use of generics:
+- T: Type
+
 ## Modules to Import
 
 ```ts
@@ -72,7 +75,7 @@ let result = list.add("a");
 let result1 = list.add(1);
 let b = [1, 2, 3];
 list.add(b);
-let c = {name : "lala", age : "13"};
+let c = {name : "Dylon", age : "13"};
 let result3 = list.add(false);
 ```
 
@@ -124,9 +127,9 @@ Checks whether this container has the specified element.
 
 ```ts
 let list = new List();
-let result = list.has("Ahfbrgrbgnutfodgorrogorg");
-list.add("Ahfbrgrbgnutfodgorrogorg");
-let result1 = list.has("Ahfbrgrbgnutfodgorrogorg");
+let result = list.has("squirrel");
+list.add("squirrel");
+let result1 = list.has("squirrel");
 ```
 
 ### get
@@ -181,7 +184,7 @@ Obtains the index of the last occurrence of the specified element in this contai
 
 | Value Type | Description|
 | -------- | -------- |
-| number | Returns the position index if obtained; returns **-1** otherwise.|
+| number | Returns the index if obtained; returns **-1** otherwise.|
 
 **Example**
 
@@ -265,7 +268,7 @@ obj1.add(2);
 obj1.add(4);
 obj1.add(5);
 list.equal(obj1);
-let obj2 = {name : "lala", age : "13"};
+let obj2 = {name : "Dylon", age : "13"};
 let result = list.equal(obj2);
 ```
 

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

@@ -53,7 +53,7 @@ Creates a **VideoPlayer** instance. This API uses an asynchronous callback to re
 
 | Name  | Type                                       | Mandatory| Description                          |
 | -------- | ------------------------------------------- | ---- | ------------------------------ |
-| callback | AsyncCallback<[VideoPlayer](#videoplayer8)> | Yes  | Callback used to return the **VideoPlayer** instance created.|
+| callback | AsyncCallback<[VideoPlayer](#videoplayer8)> | Yes  | Callback used to return the **VideoPlayer** instance, which can be used to manage and play video media.|
 
 **Example**
 
@@ -82,7 +82,7 @@ Creates a **VideoPlayer** instance. This API uses a promise to return the result
 
 | Type                                 | Description                               |
 | ------------------------------------- | ----------------------------------- |
-| Promise<[VideoPlayer](#videoplayer8)> | Promise used to return the **VideoPlayer** instance created.|
+| Promise<[VideoPlayer](#videoplayer8)> | Promise used to return the **VideoPlayer** instance, which can be used to manage and play video media.|
 
 **Example**
 
@@ -135,7 +135,7 @@ Only one **AudioRecorder** instance can be created per device.
 
 | Name  | Type                                           | Mandatory| Description                          |
 | -------- | ----------------------------------------------- | ---- | ------------------------------ |
-| callback | AsyncCallback<[VideoRecorder](#videorecorder9)> | Yes  | Callback used to return the **VideoRecorder** instance created.|
+| callback | AsyncCallback<[VideoRecorder](#videorecorder9)> | Yes  | Callback used to return the **VideoRecorder** instance, which can be used to record video media.|
 
 **Example**
 
@@ -165,7 +165,7 @@ Only one **AudioRecorder** instance can be created per device.
 
 | Type                                     | Description                               |
 | ----------------------------------------- | ----------------------------------- |
-| Promise<[VideoRecorder](#videorecorder9)> | Promise used to return the **VideoRecorder** instance created.|
+| Promise<[VideoRecorder](#videorecorder9)> | Promise used to return the **VideoRecorder** instance, which can be used to record video media.|
 
 **Example**
 
@@ -276,8 +276,8 @@ For details about the audio playback demo, see [Audio Playback Development](../.
 **System capability**: SystemCapability.Multimedia.Media.AudioPlayer
 
 | Name                           | Type                                                  | Readable| Writable| Description                                                        |
-| ------------------------------- | ----------------------------------- | ---- | ---- | ------------------------------------------------------------ |
-| src                             | string                              | Yes  | Yes  | Audio file URI. The mainstream audio formats (M4A, AAC, MPEG-3, OGG, and WAV) are supported.<br>**Examples of supported URI schemes**:<br>1. FD: fd://xx<br>![](figures/en-us_image_url.png)<br>2. HTTP: http://xx<br>3. HTTPS: https://xx<br>4. HLS: http://xx or https://xx<br>**Required permissions**: ohos.permission.INTERNET|
+| ------------------------------- | ------------------------------------------------------ | ---- | ---- | ------------------------------------------------------------ |
+| src                             | string                                                 | Yes  | Yes  | Audio file URI. The mainstream audio formats (M4A, AAC, MPEG-3, OGG, and WAV) are supported.<br>**Examples of supported URI schemes**:<br>1. FD: fd://xx<br>![](figures/en-us_image_url.png)<br>2. HTTP: http://xx<br>3. HTTPS: https://xx<br>4. HLS: http://xx or https://xx<br>**Required permissions**: ohos.permission.READ_MEDIA or ohos.permission.INTERNET|
 | fdSrc<sup>9+</sup>              | [AVFileDescriptor](#avfiledescriptor9)                 | Yes  | Yes  | Description of the audio file. This attribute is required when audio resources of an application are continuously stored in a file.<br>**Example:**<br>Assume that a music file that stores continuous music resources consists of the following:<br>Music 1 (address offset: 0, byte length: 100)<br>Music 2 (address offset: 101; byte length: 50)<br>Music 3 (address offset: 151, byte length: 150)<br>1. To play music 1: AVFileDescriptor {fd = resource handle; offset = 0; length = 100; }<br>2. To play music 2: AVFileDescriptor {fd = resource handle; offset = 101; length = 50; }<br>3. To play music 3: AVFileDescriptor {fd = resource handle; offset = 151; length = 150; }<br>If the file is an independent music file, use **src=fd://xx**.<br>|
 | loop                            | boolean                                                | Yes  | Yes  | Whether to loop audio playback. The value **true** means to loop audio playback, and **false** means the opposite.                |
 | audioInterruptMode<sup>9+</sup> | [audio.InterruptMode](js-apis-audio.md#interruptmode9) | Yes  | Yes  | Audio interruption mode.                                              |
@@ -442,7 +442,7 @@ function printfDescription(obj) {
     }
 }
 
-audioPlayer.getTrackDescription((error,  ) => {
+audioPlayer.getTrackDescription((error, arrlist) => {
     if (arrlist != null) {
         for (let i = 0; i < arrlist.length; i++) {
             printfDescription(arrlist[i]);
@@ -680,7 +680,7 @@ For details about the video playback demo, see [Video Playback Development](../.
 
 | Name                    | Type                              | Readable| Writable| Description                                                        |
 | ------------------------ | ---------------------------------- | ---- | ---- | ------------------------------------------------------------ |
-| url<sup>8+</sup>         | string                             | Yes  | Yes  | Video media URL. The mainstream video formats (MPEG-4, MPEG-TS, WebM, and MKV) are supported.<br>**Example of supported URIs**:<br>1. FD: fd://xx<br>![](figures/en-us_image_url.png)<br>2. HTTP: http://xx<br>3. HTTPS: https://xx<br>4. HLS: http://xx or https://xx<br>**Required permissions**: ohos.permission.INTERNET|
+| url<sup>8+</sup>         | string                             | Yes  | Yes  | Video media URL. The mainstream video formats (MPEG-4, MPEG-TS, WebM, and MKV) are supported.<br>**Example of supported URIs**:<br>1. FD: fd://xx<br>![](figures/en-us_image_url.png)<br>2. HTTP: http://xx<br>3. HTTPS: https://xx<br>4. HLS: http://xx or https://xx<br>|
 | fdSrc<sup>9+</sup> | [AVFileDescriptor](#avfiledescriptor9) | Yes| Yes| Description of a video file. This attribute is required when video resources of an application are continuously stored in a file.<br>**Example:**<br>Assume that a music file that stores continuous music resources consists of the following:<br>Video 1 (address offset: 0, byte length: 100)<br>Video 2 (address offset: 101; byte length: 50)<br>Video 3 (address offset: 151, byte length: 150)<br>1. To play video 1: AVFileDescriptor {fd = resource handle; offset = 0; length = 100; }<br>2. To play video 2: AVFileDescriptor {fd = resource handle; offset = 101; length = 50; }<br>3. To play video 3: AVFileDescriptor {fd = resource handle; offset = 151; length = 150; }<br>To play an independent video file, use **src=fd://xx**.<br>|
 | loop<sup>8+</sup>        | boolean                            | Yes  | Yes  | Whether to loop video playback. The value **true** means to loop video playback, and **false** means the opposite.                |
 | videoScaleType<sup>9+</sup>        | [VideoScaleType](#videoscaletype9)                   | Yes  | Yes  | Video scale type.      |
@@ -1795,7 +1795,7 @@ Subscribes to the audio recording events.
 ```js
 let audioRecorder = media.createAudioRecorder();                                  // Create an AudioRecorder instance.
 let audioRecorderConfig = {
-    audioEncoder : media.AudioEncoder.AAC_LC, ,
+    audioEncoder : media.AudioEncoder.AAC_LC,
     audioEncodeBitRate : 22050,
     audioSampleRate : 22050,
     numberOfChannels : 2,
@@ -1850,7 +1850,7 @@ Subscribes to audio recording error events. After an error event is reported, yo
 
 ```js
 let audioRecorderConfig = {
-    audioEncoder : media.AudioEncoder.AAC_LC, ,
+    audioEncoder : media.AudioEncoder.AAC_LC,
     audioEncodeBitRate : 22050,
     audioSampleRate : 22050,
     numberOfChannels : 2,
@@ -1974,29 +1974,13 @@ let videoConfig = {
 }
 
 // asyncallback
-let videoRecorder = null;
-let events = require('events');
-let eventEmitter = new events.EventEmitter();
-
-eventEmitter.on('prepare', () => {
-    videoRecorder.prepare(videoConfig, (err) => {
+videoRecorder.prepare(videoConfig, (err) => {
     if (err == null) {
         console.info('prepare success');
     } else {
         console.info('prepare failed and error is ' + err.message);
     }
-    });
-});
-
-media.createVideoRecorder((err, recorder) => {
-    if (err == null && recorder != null) {
-        videoRecorder = recorder;
-        console.info('createVideoRecorder success');
-        eventEmitter.emit('prepare');                                        // Trigger the 'prepare' event.
-    } else {
-        console.info('createVideoRecorder failed and error is ' + err.message);
-    }
-});
+})
 ```
 
 ### prepare<sup>9+</sup><a name=videorecorder_prepare2></a>
@@ -2047,21 +2031,10 @@ let videoConfig = {
 }
 
 // promise
-let videoRecorder = null;
-media.createVideoRecorder().then((recorder) => {
-    if (recorder != null) {
-        videoRecorder = recorder;
-        console.info('createVideoRecorder success');
-        videoRecorder.prepare(videoConfig).then(() => {
+videoRecorder.prepare(videoConfig).then(() => {
     console.info('prepare success');
-        }).catch((err) => {
-            console.info('prepare failed and catch error is ' + err.message);
-        });
-    } else {
-        console.info('createVideoRecorder failed');
-    }
 }).catch((err) => {
-    console.info('catch err error message is ' + err.message);
+    console.info('prepare failed and catch error is ' + err.message);
 });
 ```
 
@@ -2475,11 +2448,10 @@ Subscribes to video recording error events. After an error event is reported, yo
 **Example**
 
 ```js
+// This event is reported when an error occurs during the retrieval of videoRecordState.
 videoRecorder.on('error', (error) => {                                  // Set the 'error' event callback.
     console.info(`audio error called, error: ${error}`); 
-}
-// This event is reported when an error occurs during the retrieval of videoRecordState.
-});
+})
 ```
 
 ## VideoRecordState<sup>9+</sup>

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

@@ -12,6 +12,9 @@ Both **PlainArray** and **[LightWeightMap](js-apis-lightweightmap.md)** are used
 
 **Recommended use case**: Use **PlainArray** when you need to store KV pairs whose keys are of the **number** type.
 
+This topic uses the following to identify the use of generics:
+- T: Type
+
 ## Modules to Import
 
 ```ts
@@ -93,7 +96,7 @@ Checks whether this container contains the specified key.
 ```ts
 let plainArray = new PlainArray();
 plainArray.has(1);
-plainArray.add(1, "sddfhf");
+plainArray.add(1, "squirrel");
 let result1 = plainArray.has(1);
 ```
 
@@ -122,8 +125,8 @@ Obtains the value of the specified key in this container.
 
 ```ts
 let plainArray = new PlainArray();
-plainArray.add(1, "sddfhf");
-plainArray.add(2, "sffdfhf");
+plainArray.add(1, "squirrel");
+plainArray.add(2, "sparrow");
 let result = plainArray.get(1);
 ```
 
@@ -152,8 +155,8 @@ Obtains the index of the first occurrence of an element with the specified key i
 
 ```ts
 let plainArray = new PlainArray();
-plainArray.add(1, "sddfhf");
-plainArray.add(2, "sffdfhf");
+plainArray.add(1, "squirrel");
+plainArray.add(2, "sparrow");
 let result = plainArray.getIndexOfKey(2);
 ```
 
@@ -182,9 +185,9 @@ Obtains the index of the first occurrence of an element with the specified value
 
 ```ts
 let plainArray = new PlainArray();
-plainArray.add(1, "sddfhf");
-plainArray.add(2, "sffdfhf");
-let result = plainArray.getIndexOfValue("sddfhf");
+plainArray.add(1, "squirrel");
+plainArray.add(2, "sparrow");
+let result = plainArray.getIndexOfValue("squirrel");
 ```
 
 
@@ -212,8 +215,8 @@ Obtains the key of the element at the specified position in this container.
 
 ```ts
 let plainArray = new PlainArray();
-plainArray.add(1, "sddfhf");
-plainArray.add(2, "sffdfhf");
+plainArray.add(1, "squirrel");
+plainArray.add(2, "sparrow");
 let result = plainArray.getKeyAt(1);
 ```
 
@@ -241,8 +244,8 @@ Obtains the value of an element at the specified position in this container.
 
   ```ts
   let plainArray = new PlainArray();
-  plainArray.add(1, "sddfhf");
-  plainArray.add(2, "sffdfhf");
+  plainArray.add(1, "squirrel");
+  plainArray.add(2, "sparrow");
   let result = plainArray.getKeyAt(1);
   ```
 
@@ -264,8 +267,8 @@ Clones this container and returns a copy. The modification to the copy does not
 
 ```ts
 let plainArray = new PlainArray();
-plainArray.add(1, "sddfhf");
-plainArray.add(2, "sffdfhf");
+plainArray.add(1, "squirrel");
+plainArray.add(2, "sparrow");
 let newPlainArray = plainArray.clone();
 ```
 
@@ -289,7 +292,7 @@ Adds an element to this container.
 
 ```ts
 let plainArray = new PlainArray();
-plainArray.add(1, "sddfhf");
+plainArray.add(1, "squirrel");
 ```
 
 
@@ -317,8 +320,8 @@ Removes an element with the specified key from this container.
 
 ```ts
 let plainArray = new PlainArray();
-plainArray.add(1, "sddfhf");
-plainArray.add(2, "sffdfhf");
+plainArray.add(1, "squirrel");
+plainArray.add(2, "sparrow");
 plainArray.remove(2);
 let result = plainArray.remove(2);
 ```
@@ -348,8 +351,8 @@ Removes an element at the specified position from this container.
 
 ```ts
 let plainArray = new PlainArray();
-plainArray.add(1, "sddfhf");
-plainArray.add(2, "sffdfhf");
+plainArray.add(1, "squirrel");
+plainArray.add(2, "sparrow");
 plainArray.removeAt(1);
 let result = plainArray.removeAt(1);
 ```
@@ -380,8 +383,8 @@ Removes elements in a specified range from this container.
 
 ```ts
 let plainArray = new PlainArray();
-plainArray.add(1, "sddfhf");
-plainArray.add(2, "sffdfhf");
+plainArray.add(1, "squirrel");
+plainArray.add(2, "sparrow");
 let result = plainArray.removeRangeFrom(1, 3);
 ```
 
@@ -405,8 +408,8 @@ Sets a value for an element at the specified position in this container.
 
 ```ts
 let plainArray = new PlainArray();
-plainArray.add(1, "sddfhf");
-plainArray.add(2, "sffdfhf");
+plainArray.add(1, "squirrel");
+plainArray.add(2, "sparrow");
 plainArray.setValueAt(1, 3546);
 ```
 
@@ -429,8 +432,8 @@ Obtains a string that contains all elements in this container.
 
 ```ts
 let plainArray = new PlainArray();
-plainArray.add(1, "sddfhf");
-plainArray.add(2, "sffdfhf");
+plainArray.add(1, "squirrel");
+plainArray.add(2, "sparrow");
 let result = plainArray.toString();
 ```
 
@@ -447,8 +450,8 @@ Clears this container and sets its length to **0**.
 
 ```ts
 let plainArray = new PlainArray();
-plainArray.add(1, "sddfhf");
-plainArray.add(2, "sffdfhf");
+plainArray.add(1, "squirrel");
+plainArray.add(2, "sparrow");
 plainArray.clear();
 ```
 
@@ -479,8 +482,8 @@ callbackfn
 
 ```ts
 let plainArray = new PlainArray();
-plainArray.add(1, "sddfhf");
-plainArray.add(2, "sffdfhf");
+plainArray.add(1, "squirrel");
+plainArray.add(2, "sparrow");
 plainArray.forEach((value, index) => {
   console.log("value:" + value, index);
 });
@@ -505,8 +508,8 @@ Obtains an iterator object that contains key-value pairs, where the key is of th
 
 ```ts
 let plainArray = new PlainArray();
-plainArray.add(1, "sddfhf");
-plainArray.add(2, "sffdfhf");
+plainArray.add(1, "squirrel");
+plainArray.add(2, "sparrow");
 
 // Method 1:
 for (let item of plainArray) { 

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

-# ProcessRunningInfo
+# ProcessRunningInfo<sup>(deprecated)</sup>
 
 The **ProcessRunningInfo** module provides process running information.
 
 > **NOTE**
-> 
-> The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.
+> - The APIs provided by this module are deprecated since API version 9. You are advised to use [ProcessRunningInformation<sup>9+</sup>](js-apis-processrunninginformation.md) instead.
+> - The initial APIs of this module are supported since API version 8.
 
 ## Usage
 
@@ -19,9 +19,9 @@ appManager.getProcessRunningInfos((error,data) => {
 
 ## Attributes
 
-**System capability**: SystemCapability.Ability.AbilityRuntime.Core
+**System capability**: SystemCapability.Ability.AbilityRuntime.Mission
 
-  | Name| Type| Readable| Writable| Description| 
+| Name| Type| Readable| Writable| Description| 
 | -------- | -------- | -------- | -------- | -------- |
 | pid | number | Yes| No| Process ID.| 
 | uid | number | Yes| No| User ID.| 

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

+# ProcessRunningInformation<sup>9+</sup>
+
+The **ProcessRunningInformation** module provides process running information.
+
+> **NOTE**
+> 
+> The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.
+
+## Usage Guidelines
+
+The process running information is obtained through [appManager](js-apis-appmanager.md#appmanagergetprocessrunninginformation9).
+
+```js
+import appManager from '@ohos.application.appManager';
+appManager.getProcessRunningInformation((error,data) => { 
+    console.log("getProcessRunningInformation error: "  + error.code + " data: " + JSON.stringify(data));
+});
+```
+
+## Attributes
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.Core
+
+| Name| Type| Readable| Writable| Description| 
+| -------- | -------- | -------- | -------- | -------- |
+| pid | number | Yes| No| Process ID.| 
+| uid | number | Yes| No| User ID.| 
+| processName | string | Yes| No| Process name.| 
+| bundleNames | Array&lt;string&gt; | Yes| No| Names of all running bundles in the process.| 

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

@@ -10,6 +10,9 @@ Unlike **[Deque](js-apis-deque.md)**, which supports insertion and removal at bo
 
 **Recommended use case**: Use **Queue** in FIFO scenarios.
 
+This topic uses the following to identify the use of generics:
+- T: Type
+
 ## Modules to Import
 
 ```ts
@@ -72,7 +75,7 @@ let result1 = queue.add(1);
 queue.add(1);
 let b = [1, 2, 3];
 queue.add(b);
-let c = {name : "lala", age : "13"};
+let c = {name : "Dylon", age : "13"};
 let result3 = queue.add(c);
 ```
 
@@ -180,6 +183,7 @@ Obtains an iterator, each item of which is a JavaScript object.
 | IterableIterator<T> | Iterator obtained.|
 
 **Example**
+
 ```ts
 let queue = new Queue();
 queue.add(2);

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

@@ -55,7 +55,7 @@ Describes the size of the screen region to capture.
 
 ## screenshot.save
 
-save(options?: ScreenshotOptions, callback: AsyncCallback<image.PixelMap>): void
+save(options: ScreenshotOptions, callback: AsyncCallback<image.PixelMap>): void
 
 Takes a screenshot and saves it as a **PixelMap** object. This API uses an asynchronous callback to return the result.
 
@@ -67,7 +67,7 @@ Takes a screenshot and saves it as a **PixelMap** object. This API uses an async
 
 | Name  | Type                                   | Mandatory| Description                                                        |
 | -------- | --------------------------------------- | ---- | ------------------------------------------------------------ |
-| options  | [ScreenshotOptions](#screenshotoptions) | No  | Screenshot settings consist of **screenRect**, **imageSize**, **rotation**, and **displayId**. You can set the parameters separately.|
+| options  | [ScreenshotOptions](#screenshotoptions) | Yes  | Screenshot settings consist of **screenRect**, **imageSize**, **rotation**, and **displayId**. You can set the parameters separately.|
 | callback | AsyncCallback<[image.PixelMap](js-apis-image.md#pixelmap7)>     | Yes  | Callback used to return a **PixelMap** object.                                  |
 
 **Example**
@@ -97,6 +97,35 @@ Takes a screenshot and saves it as a **PixelMap** object. This API uses an async
 
 ## screenshot.save
 
+save(callback: AsyncCallback<image.PixelMap>): void
+
+Takes a screenshot and saves it as a **PixelMap** object. This API uses an asynchronous callback to return the result.
+
+**System capability**: SystemCapability.WindowManager.WindowManager.Core
+
+**Required permissions**: ohos.permission.CAPTURE_SCREEN (available only to system applications)
+
+**Parameters**
+
+| Name  | Type                                   | Mandatory| Description                                                        |
+| -------- | --------------------------------------- | ---- | ------------------------------------------------------------ |
+| callback | AsyncCallback<[image.PixelMap](js-apis-image.md#pixelmap7)>     | Yes  | Callback used to return a **PixelMap** object.                                  |
+
+**Example**
+
+  ```js
+  screenshot.save((err, pixelMap) => {
+    if (err) {
+        console.log('Failed to save screenshot: ' + JSON.stringify(err));
+        return;
+    }
+    console.log('Succeeded in saving sreenshot. Pixel bytes number: ' + pixelMap.getPixelBytesNumber());
+    pixelMap.release(); // Release the memory in time after the PixelMap is used.
+  });
+  ```
+
+## screenshot.save
+
 save(options?: ScreenshotOptions): Promise<image.PixelMap>
 
 Takes a screenshot and saves it as a **PixelMap** object. This API uses a promise to return the result.

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

@@ -1041,7 +1041,7 @@ promise1.then(() => {
   console.log('connect success');
   let promise2 = tcp.getRemoteAddress();
   promise2.then(() => {
-	console.log('getRemoteAddress success:' + JSON.stringify(data));
+	console.log('getRemoteAddress success');
   }).catch(err => {
 	console.log('getRemoteAddressfail');
   });
@@ -1120,7 +1120,7 @@ promise.then(() => {
   console.log('connect success');
   let promise1 = tcp.getState();
   promise1.then(() => {
-	console.log('getState success:' + JSON.stringify(data));
+	console.log('getState success');
   }).catch(err => {
 	console.log('getState fail');
   });

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

@@ -10,6 +10,9 @@ Unlike **[Queue](js-apis-queue.md)**, which is implemented based on the queue da
 
 **Recommended use case**: Use **Stack** in LOFI scenarios.
 
+This topic uses the following to identify the use of generics:
+- T: Type
+
 ## Modules to Import
 
 ```ts
@@ -73,7 +76,7 @@ let result = stack.push("a");
 let result1 = stack.push(1);
 let b = [1, 2, 3];
 stack.push(b);
-let c = {name : "lala", age : "13"};
+let c = {name : "Dylon", age : "13"};
 let result3 = stack.push(c);
 ```
 

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

@@ -18,26 +18,26 @@ Obtains the number of free bytes of the specified file system in asynchronous mo
 
 **System capability**: SystemCapability.FileManagement.File.FileIO
 
-- **Parameters**
+**Parameters**
 
   | Name| Type  | Mandatory| Description                        |
   | ------ | ------ | ---- | ---------------------------- |
   | path   | string | Yes  | File path of the file system.|
 
-- Return value
+**Return value**
 
   | Type                 | Description          |
   | --------------------- | -------------- |
   | Promise<number> | Promise used to return the number of free bytes obtained.|
 
-- Example
+**Example**
 
   ```js
   let path = "/dev";
-  statfs.getFreeBytes(path).then(function (number){
-      console.info("getFreeBytes promise successfully:"+ number);
-  }).catch(function(err){
-      console.info("getFreeBytes failed with error:"+ err);
+  statfs.getFreeBytes(path).then(function (number) {
+      console.info("getFreeBytes promise successfully:" + number);
+  }).catch(function (err) {
+      console.info("getFreeBytes failed with error:" + err);
   });
   ```
 
@@ -49,21 +49,21 @@ Obtains the number of free bytes of the specified file system in asynchronous mo
 
 **System capability**: SystemCapability.FileManagement.File.FileIO
 
-- **Parameters**
+**Parameters**
 
   | Name  | Type                       | Mandatory| Description                        |
   | -------- | --------------------------- | ---- | ---------------------------- |
   | path     | string                      | Yes  | File path of the file system.|
   | callback | AsyncCallback<number> | Yes  | Callback invoked to return the number of free bytes obtained.|
 
-- Example
+**Example**
 
   ```js
   import featureAbility from '@ohos.ability.featureAbility';
   let context = featureAbility.getContext();
   context.getFilesDir().then(function (path) {
-      statfs.getFreeBytes(path, function(err, number){
-          console.info("Got free bytes successfully:"+ number);
+      statfs.getFreeBytes(path, function (err, number) {
+          console.info("getFreeBytes callback successfully:" + number);
       });
   });
   ```
@@ -76,26 +76,26 @@ Obtains the total number of bytes of the specified file system in asynchronous m
 
 **System capability**: SystemCapability.FileManagement.File.FileIO
 
-- **Parameters**
+**Parameters**
 
   | Name| Type  | Mandatory| Description                        |
   | ---- | ------ | ---- | ---------------------------- |
   | path | string | Yes  | File path of the file system.|
 
-- Return value
+**Return value**
 
   | Type                 | Description        |
   | --------------------- | ------------ |
   | Promise<number> | Promise used to return the total number of bytes obtained.|
 
-- Example
+**Example**
 
   ```js
   let path = "/dev";
-  statfs.getTotalBytes(path).then(function (number){
-      console.info("getTotalBytes promise successfully:"+ number);
-  }).catch(function(err){
-      console.info("getTotalBytes failed with error:"+ err);
+  statfs.getTotalBytes(path).then(function (number) {
+      console.info("getTotalBytes promise successfully:" + number);
+  }).catch(function (err) {
+      console.info("getTotalBytes failed with error:" + err);
   });
   ```
 
@@ -107,21 +107,21 @@ Obtains the total number of bytes of the specified file system in asynchronous m
 
 **System capability**: SystemCapability.FileManagement.File.FileIO
 
-- **Parameters**
+**Parameters**
 
   | Name  | Type                       | Mandatory| Description                        |
   | -------- | --------------------------- | ---- | ---------------------------- |
   | path     | string                      | Yes  | File path of the file system.|
   | callback | AsyncCallback<number> | Yes  | Callback invoked to return the total number of bytes obtained.  |
 
-- Example
+**Example**
 
   ```js
   import featureAbility from '@ohos.ability.featureAbility';
   let context = featureAbility.getContext();
   context.getFilesDir().then(function (path) {
-      statfs.getTotalBytes(path, function(err, number){
-          console.info("Got total bytes successfully:"+ number);
+      statfs.getTotalBytes(path, function(err, number) {
+          console.info("getTotalBytes callback successfully:" + number);
       });
   });
   ```

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

@@ -25,7 +25,7 @@ Encrypts or decrypts data using RSA.
 
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| action | string | Yes| Action to perform. The options are as follows:<br>-&nbsp;encrypt<br>-&nbsp;decrypt|
+| action | string | Yes| Action to perform. The options are as follows:<br>- encrypt<br>- decrypt |
 | text | string | Yes| Text to be encrypted or decrypted.<br> The text to be encrypted must be common text that meets the following requirement:<br> Maximum text length = Key length/8 - 66<br>For example, if the key is of 1024 bytes, the text to be encrypted cannot exceed 62 bytes (1024/8 -66 = 62).<br> The text to be decrypted must be binary text encoded in Base64. The default format is used for Base64 encoding.|
 | key | string | Yes| RSA key. The key is used as a public key in encryption and a private key in decryption.|
 | transformation | string | No| RSA padding. The default value is **RSA/None/OAEPWithSHA256AndMGF1Padding**.|
@@ -109,7 +109,7 @@ Encrypts or decrypts data using AES.
 
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| action | string | Yes| Action to perform. The options are as follows:<br>-&nbsp;encrypt<br>-&nbsp;decrypt|
+| action | string | Yes| Action to perform. The options are as follows:<br>- encrypt<br>- decrypt |
 | text | string | Yes| Text to be encrypted or decrypted.<br> The text to be encrypted must be common text. The text to be decrypted must be binary text encoded in Base64. The default format is used for Base64 encoding.|
 | key | string | Yes| Key used for encryption or decryption. It is a string encoded in Base64.|
 | transformation | string | No| Encryption mode and padding of the AES algorithm. The default value is **AES/CBC/PKCS5Padding**.|
@@ -165,7 +165,6 @@ export default {
          console.log(`operation complete!`);
         }
      });        
-    });    
   }
 }
 

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

@@ -22,8 +22,8 @@ import sensor from '@system.sensor';
 ## Error Codes
 
 | Error Code | Description                              |
-| ---- | -------------- |
-| 900  | The current device does not support the corresponding sensor.|
+| ---------- | ---------------------------------------- |
+| 900        | The current device does not support the corresponding sensor. |
 
 ## sensor.subscribeAccelerometer
 
@@ -38,18 +38,18 @@ Subscribes to data changes of the acceleration sensor. If this API is called mul
 **Parameters**
 
 | Name     | Type     | Mandatory | Description                              |
-| -------- | -------- | ---- | ---------------------------------------- |
-| interval | string   | Yes   | Execution frequency of the callback for returning the acceleration sensor data.<br>The default value is **normal**. The options are as follows:<br>- **game**: called at an interval of 20 ms, which is applicable to gaming scenarios.<br>- **ui**: called at an interval of 60 ms, which is applicable to UI updating scenarios.<br>- **normal**: called at an interval of 200 ms, which is applicable to power-saving scenarios.|
+| -------- | -------- | --------- | ---------------------------------------- |
+| interval | string   | Yes       | Execution frequency of the callback for returning the acceleration sensor data.<br>The default value is **normal**. The options are as follows:<br>- **game**: called at an interval of 20 ms, which is applicable to gaming scenarios.<br>- **ui**: called at an interval of 60 ms, which is applicable to UI updating scenarios.<br>- **normal**: called at an interval of 200 ms, which is applicable to power-saving scenarios. |
 | success  | Function | Yes       | Called when the acceleration sensor data changes. |
 | fail     | Function | No        | Callback upon failure.                   |
 
 Return values of the success callback
 
 | Name | Type   | Description                 |
-| ---- | ------ | ------- |
-| x    | number | Acceleration on the x-axis.|
-| y    | number | Acceleration on the y-axis.|
-| z    | number | Acceleration on the z-axis.|
+| ---- | ------ | --------------------------- |
+| x    | number | Acceleration on the x-axis. |
+| y    | number | Acceleration on the y-axis. |
+| z    | number | Acceleration on the z-axis. |
 
 **Example**
 
@@ -98,15 +98,15 @@ Subscribes to data changes of the compass sensor. If this API is called multiple
 **Parameters**
 
 | Name    | Type     | Mandatory | Description                              |
-| ------- | -------- | ---- | --------------- |
-| success | Function | Yes   | Called when the compass sensor data changes.|
+| ------- | -------- | --------- | ---------------------------------------- |
+| success | Function | Yes       | Called when the compass sensor data changes. |
 | fail    | Function | No        | Callback upon failure.                   |
 
 Return values of the success callback
 
 | Name      | Type   | Description                          |
-| --------- | ------ | ---------- |
-| direction | number | Direction of the device, in degrees.|
+| --------- | ------ | ------------------------------------ |
+| direction | number | Direction of the device, in degrees. |
 
 **Example**
 
@@ -150,15 +150,15 @@ Subscribes to data changes of the proximity sensor. If this API is called multip
 **Parameters**
 
 | Name    | Type     | Mandatory | Description                              |
-| ------- | -------- | ---- | ----------------- |
-| success | Function | Yes   | Called when the proximity sensor data changes.|
+| ------- | -------- | --------- | ---------------------------------------- |
+| success | Function | Yes       | Called when the proximity sensor data changes. |
 | fail    | Function | No        | Callback upon failure.                   |
 
 Return values of the success callback
 
 | Name     | Type   | Description                              |
-| -------- | ------ | --------------------- |
-| distance | number | Distance between a visible object and the device screen.|
+| -------- | ------ | ---------------------------------------- |
+| distance | number | Distance between a visible object and the device screen. |
 
 **Example**
 
@@ -202,15 +202,15 @@ Subscribes to data changes of the ambient light sensor. If this API is called mu
 **Parameters**
 
 | Name    | Type     | Mandatory | Description                              |
-| ------- | -------- | ---- | --------------- |
-| success | Function | Yes   | Called when the ambient light sensor data changes|
+| ------- | -------- | --------- | ---------------------------------------- |
+| success | Function | Yes       | Called when the ambient light sensor data changes |
 | fail    | Function | No        | Callback upon failure.                   |
 
 Return values of the success callback
 
 | Name      | Type   | Description              |
-| --------- | ------ | ------------ |
-| intensity | number | Light intensity, in lux.|
+| --------- | ------ | ------------------------ |
+| intensity | number | Light intensity, in lux. |
 
 **Example**
 
@@ -256,15 +256,15 @@ Subscribes to data changes of the step counter sensor. If this API is called mul
 **Parameters**
 
 | Name    | Type     | Mandatory | Description                              |
-| ------- | -------- | ---- | ---------------- |
-| success | Function | Yes   | Called when the step counter sensor data changes.|
+| ------- | -------- | --------- | ---------------------------------------- |
+| success | Function | Yes       | Called when the step counter sensor data changes. |
 | fail    | Function | No        | Callback upon failure.                   |
 
 Return values of the success callback
 
 | Name  | Type   | Description                              |
-| ----- | ------ | --------------------- |
-| steps | number | Number of counted steps after the sensor is restarted.<br>|
+| ----- | ------ | ---------------------------------------- |
+| steps | number | Number of counted steps after the sensor is restarted.<br> |
 
 **Example**
 
@@ -302,7 +302,7 @@ sensor.unsubscribeStepCounter();
 
 ## sensor.subscribeBarometer
 
-subcribeBarometer(Object): void
+subscribeBarometer(Object): void
 
 Subscribes to data changes of the barometer sensor. If this API is called multiple times for the same application, the last call takes effect.
 
@@ -311,15 +311,15 @@ Subscribes to data changes of the barometer sensor. If this API is called multip
 **Parameters**
 
 | Name    | Type     | Mandatory | Description                              |
-| ------- | -------- | ---- | ---------------- |
-| success | Function | Yes   | Called when the barometer sensor data changes.|
+| ------- | -------- | --------- | ---------------------------------------- |
+| success | Function | Yes       | Called when the barometer sensor data changes. |
 | fail    | Function | No        | Callback upon failure.                   |
 
 Return values of the success callback
 
 | Name     | Type   | Description          |
-| -------- | ------ | ----------- |
-| pressure | number | Pressure, in pascal.|
+| -------- | ------ | -------------------- |
+| pressure | number | Pressure, in pascal. |
 
 **Example**
 
@@ -367,15 +367,15 @@ Subscribes to data changes of the heart rate sensor. If this API is called multi
 **Parameters**
 
 | Name    | Type     | Mandatory | Description                              |
-| ------- | -------- | ---- | ------------------------- |
-| success | Function | Yes   | Called when the heart rate sensor data changes. This callback is invoked every five seconds.|
+| ------- | -------- | --------- | ---------------------------------------- |
+| success | Function | Yes       | Called when the heart rate sensor data changes. This callback is invoked every five seconds. |
 | fail    | Function | No        | Callback upon failure.                   |
 
 Return values of the success callback
 
 | Name      | Type   | Description |
-| --------- | ------ | ---- |
-| heartRate | number | Heart rate.|
+| --------- | ------ | ----------- |
+| heartRate | number | Heart rate. |
 
 **Example**
 
@@ -422,15 +422,15 @@ Subscribes to changes of the wearing state of a wearable device. If this API is
 **Parameters**
 
 | Name    | Type     | Mandatory | Description                            |
-| ------- | -------- | ---- | ------------- |
-| success | Function | Yes   | Called when the wearing state changes.|
+| ------- | -------- | --------- | -------------------------------------- |
+| success | Function | Yes       | Called when the wearing state changes. |
 | fail    | Function | No        | Callback upon failure.                 |
 
 Return values of the success callback
 
 | Name  | Type    | Description                          |
-| ----- | ------- | ------ |
-| value | boolean | Whether the wearable device is worn.|
+| ----- | ------- | ------------------------------------ |
+| value | boolean | Whether the wearable device is worn. |
 
 **Example**
 
@@ -474,16 +474,16 @@ Obtains the wearing state of a wearable device.
 **Parameters**
 
 | Name     | Type     | Mandatory | Description                            |
-| -------- | -------- | ---- | ------------ |
-| success  | Function | No   | Callback upon success.|
-| fail     | Function | No   | Callback upon failure.|
-| complete | Function | No   | Called when the execution is complete.|
+| -------- | -------- | --------- | -------------------------------------- |
+| success  | Function | No        | Callback upon success.                 |
+| fail     | Function | No        | Callback upon failure.                 |
+| complete | Function | No        | Called when the execution is complete. |
 
 Return values of the success callback
 
 | Name  | Type    | Description                          |
-| ----- | ------- | ------ |
-| value | boolean | Whether the wearable device is worn.|
+| ----- | ------- | ------------------------------------ |
+| value | boolean | Whether the wearable device is worn. |
 
 **Example**
 
@@ -511,17 +511,17 @@ If this API is called multiple times for the same application, the last call tak
 **Parameters**
 
 | Name     | Type     | Mandatory | Description                              |
-| -------- | -------- | ---- | ---------------------------------------- |
-| interval | string   | Yes   | Interval at which the callback is invoked to return the device orientation sensor data.<br>The default value is **normal**. The options are as follows:<br>- **game**: called at an interval of 20 ms, which is applicable to gaming scenarios.<br>- **ui**: called at an interval of 60 ms, which is applicable to UI updating scenarios.<br>- **normal**: called at an interval of 200 ms, which is applicable to power-saving scenarios.|
+| -------- | -------- | --------- | ---------------------------------------- |
+| interval | string   | Yes       | Interval at which the callback is invoked to return the device orientation sensor data.<br>The default value is **normal**. The options are as follows:<br>- **game**: called at an interval of 20 ms, which is applicable to gaming scenarios.<br>- **ui**: called at an interval of 60 ms, which is applicable to UI updating scenarios.<br>- **normal**: called at an interval of 200 ms, which is applicable to power-saving scenarios. |
 | success  | Function | Yes       | Called when the device orientation sensor data changes. |
 | fail     | Function | No        | Callback upon failure.                   |
 
  Return values of the success callback
 | Name  | Type   | Description                              |
 | ----- | ------ | ---------------------------------------- |
-| alpha | number | Rotation angle around the Z axis when the X/Y axis of the device coincides with the X/Y axis of the earth.|
-| beta  | number | Rotation angle around the X axis when the Y/Z axis of the device coincides with the Y/Z axis of the earth.|
-| gamma | number | Rotation angle around the Y axis when the X/Z axis of the device coincides with the X/Z axis of the earth.|
+| alpha | number | Rotation angle around the Z axis when the X/Y axis of the device coincides with the X/Y axis of the earth. |
+| beta  | number | Rotation angle around the X axis when the Y/Z axis of the device coincides with the Y/Z axis of the earth. |
+| gamma | number | Rotation angle around the Y axis when the X/Z axis of the device coincides with the X/Z axis of the earth. |
 
 **Example**
 
@@ -572,18 +572,18 @@ If this API is called multiple times for the same application, the last call tak
 **Parameters**
 
 | Name     | Type     | Mandatory | Description                              |
-| -------- | -------- | ---- | ---------------------------------------- |
-| interval | string   | Yes   | Interval at which the callback is invoked to return the gyroscope sensor data.<br>The default value is **normal**. The options are as follows:<br>- **game**: called at an interval of 20 ms, which is applicable to gaming scenarios.<br>- **ui**: called at an interval of 60 ms, which is applicable to UI updating scenarios.<br>- **normal**: called at an interval of 200 ms, which is applicable to power-saving scenarios.|
+| -------- | -------- | --------- | ---------------------------------------- |
+| interval | string   | Yes       | Interval at which the callback is invoked to return the gyroscope sensor data.<br>The default value is **normal**. The options are as follows:<br>- **game**: called at an interval of 20 ms, which is applicable to gaming scenarios.<br>- **ui**: called at an interval of 60 ms, which is applicable to UI updating scenarios.<br>- **normal**: called at an interval of 200 ms, which is applicable to power-saving scenarios. |
 | success  | Function | Yes       | Called when the gyroscope sensor data changes. |
 | fail     | Function | No        | Callback upon failure.                   |
 
 Return values of the success callback
 
 | Name | Type   | Description                              |
-| ---- | ------ | --------- |
-| x    | number | Rotation angular velocity of the X axis.|
-| y    | number | Rotation angular velocity of the Y axis.|
-| z    | number | Rotation angular velocity of the Z axis.|
+| ---- | ------ | ---------------------------------------- |
+| x    | number | Rotation angular velocity of the X axis. |
+| y    | number | Rotation angular velocity of the Y axis. |
+| z    | number | Rotation angular velocity of the Z axis. |
 
 **Example**
 

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

@@ -29,7 +29,7 @@ export default class UserTestRunner implements TestRunner {
     onPrepare() {
         console.log("Trigger onPrepare")
     }
-onRun(){}
+    onRun(){}
 };
 ```
 
@@ -50,6 +50,6 @@ export default class UserTestRunner implements TestRunner {
     onPrepare() {
        console.log("Trigger onRun")
     }
-onRun(){}
+    onRun(){}
 };
 ```

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

@@ -12,6 +12,10 @@
 
 Recommended use case: Use **TreeMap** when you need to store KV pairs in sorted order.
 
+This topic uses the following to identify the use of generics:
+- K: Key
+- V: Value
+
 ## Modules to Import
 
 ```ts
@@ -96,9 +100,9 @@ Checks whether this container has the specified key.
 
 ```ts
 let treeMap = new TreeMap();
-let result = treeMap.hasKey("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-treeMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-let result1 = treeMap.hasKey("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
+let result = treeMap.hasKey("squirrel");
+treeMap.set("squirrel", 123);
+let result1 = treeMap.hasKey("squirrel");
 ```
 
 
@@ -127,7 +131,7 @@ Checks whether this container has the specified value.
 ```ts
 let treeMap = new TreeMap();
 let result = treeMap.hasValue(123);
-treeMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
+treeMap.set("squirrel", 123);
 let result1 = treeMap.hasValue(123);
 ```
 
@@ -156,9 +160,9 @@ Obtains the value of the specified key in this container.
 
 ```ts
 let treeMap = new TreeMap();
-treeMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-treeMap.set("sdfs", 356);
-let result = treeMap.get("sdfs");
+treeMap.set("squirrel", 123);
+treeMap.set("sparrow", 356);
+let result = treeMap.get("sparrow");
 ```
 
 
@@ -180,8 +184,8 @@ Obtains the first key in this container.
 
 ```ts
 let treeMap = new TreeMap();
-treeMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-treeMap.set("sdfs", 356);
+treeMap.set("squirrel", 123);
+treeMap.set("sparrow", 356);
 let result = treeMap.getFirstKey();
 ```
 
@@ -204,8 +208,8 @@ Obtains the last key in this container.
 
 ```ts
 let treeMap = new TreeMap();
-treeMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-treeMap.set("sdfs", 356);
+treeMap.set("squirrel", 123);
+treeMap.set("sparrow", 356);
 let result = treeMap.getLastKey();
 ```
 
@@ -228,8 +232,8 @@ Adds all elements in a **TreeMap** instance to this container.
 
 ```ts
 let treeMap = new TreeMap();
-treeMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-treeMap.set("sdfs", 356);
+treeMap.set("squirrel", 123);
+treeMap.set("sparrow", 356);
 let map = new TreeMap();
 treeMap.setAll(map);
 ```
@@ -260,7 +264,7 @@ Adds an element to this container.
 
 ```ts
 let treeMap = new TreeMap();
-treeMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
+treeMap.set("squirrel", 123);
 ```
 
 
@@ -288,9 +292,9 @@ Removes the element with the specified key from this container.
 
 ```ts
 let treeMap = new TreeMap();
-treeMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-treeMap.set("sdfs", 356);
-treeMap.remove("sdfs");
+treeMap.set("squirrel", 123);
+treeMap.set("sparrow", 356);
+treeMap.remove("sparrow");
 ```
 
 
@@ -318,10 +322,10 @@ Obtains the key that is placed in front of the input key in this container.
 
 ```ts
 let treeMap = new TreeMap();
-treeMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-treeMap.set("sdfs", 356);
-treeMap.set("zdfgsd", 356);
-let result = treeMap.getLowerKey("sdfs");
+treeMap.set("squirrel", 123);
+treeMap.set("sparrow", 356);
+treeMap.set("gander", 356);
+let result = treeMap.getLowerKey("sparrow");
 ```
 
 
@@ -349,10 +353,10 @@ Obtains the key that is placed next to the input key in this container.
 
 ```ts
 let treeMap = new TreeMap();
-treeMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-treeMap.set("sdfs", 356);
-treeMap.set("zdfgsd", 356);
-let result = treeMap.getHigherKey("sdfs");
+treeMap.set("squirrel", 123);
+treeMap.set("sparrow", 356);
+treeMap.set("gander", 356);
+let result = treeMap.getHigherKey("sparrow");
 ```
 
 ### replace
@@ -380,8 +384,8 @@ Replaces an element in this container.
 
 ```ts
 let treeMap = new TreeMap();
-treeMap.set("sdfs", 123);
-let result = treeMap.replace("sdfs", 357);
+treeMap.set("sparrow", 123);
+let result = treeMap.replace("sparrow", 357);
 ```
 
 
@@ -397,8 +401,8 @@ Clears this container and sets its length to **0**.
 
 ```ts
 let treeMap = new TreeMap();
-treeMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-treeMap.set("sdfs", 356);
+treeMap.set("squirrel", 123);
+treeMap.set("sparrow", 356);
 treeMap.clear();
 ```
 
@@ -421,8 +425,8 @@ Obtains an iterator that contains all the keys in this container.
 
 ```ts
 let treeMap = new TreeMap();
-treeMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-treeMap.set("sdfs", 356);
+treeMap.set("squirrel", 123);
+treeMap.set("sparrow", 356);
 let iter = treeMap.keys();
 let temp = iter.next().value;
 while(temp != undefined) {
@@ -450,8 +454,8 @@ Obtains an iterator that contains all the values in this container.
 
 ```ts
 let treeMap = new TreeMap();
-treeMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-treeMap.set("sdfs", 356);
+treeMap.set("squirrel", 123);
+treeMap.set("sparrow", 356);
 let iter = treeMap.values();
 let temp = iter.next().value;
 while(temp != undefined) {
@@ -487,8 +491,8 @@ callbackfn
 
 ```ts
 let treeMap = new TreeMap();
-treeMap.set("sdfs", 123);
-treeMap.set("dfsghsf", 357);
+treeMap.set("sparrow", 123);
+treeMap.set("gull", 357);
 treeMap.forEach((value, key) => {
   console.log("value:" + value, key);
 });
@@ -513,8 +517,8 @@ Obtains an iterator that contains all the elements in this container.
 
 ```ts
 let treeMap = new TreeMap();
-treeMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-treeMap.set("sdfs", 356);
+treeMap.set("squirrel", 123);
+treeMap.set("sparrow", 356);
 let iter = treeMap.entries();
 let temp = iter.next().value;
 while(temp != undefined) {
@@ -542,8 +546,8 @@ Obtains an iterator, each item of which is a JavaScript object.
 
 ```ts
 let treeMap = new TreeMap();
-treeMap.set("Ahfbrgrbgnutfodgorrogorgrogofdfdf", 123);
-treeMap.set("sdfs", 356);
+treeMap.set("squirrel", 123);
+treeMap.set("sparrow", 356);
 
 // Method 1:
 for (let item of treeMap) { 

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

@@ -10,6 +10,9 @@ Both **Vector** and **[ArrayList](js-apis-arraylist.md)** are implemented based
 
 **Recommended use case**: Use **Vector** when the data volume is large.
 
+This topic uses the following to identify the use of generics:
+- T: Type
+
 ## Modules to Import
 
 ```ts
@@ -71,7 +74,7 @@ let result = vector.add("a");
 let result1 = vector.add(1);
 let b = [1, 2, 3];
 vector.add(b);
-let c = {name : "lala", age : "13"};
+let c = {name : "Dylon", age : "13"};
 let result3 = vector.add(c);
 ```
 
@@ -123,9 +126,9 @@ Checks whether this container has the specified element.
 
 ```ts
 let vector = new Vector();
-let result = vector.has("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-vector.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-let result1 = vector.has("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
+let result = vector.has("squirrel");
+vector.add("squirrel");
+let result1 = vector.has("squirrel");
 ```
 
 ### getIndexOf
@@ -862,7 +865,6 @@ Obtains an iterator. Each item of the iterator is a JavaScript object.
 **System capability**: SystemCapability.Utils.Lang
 
 **Return value**
-
 | Type| Description|
 | -------- | -------- |
 | IterableIterator<T> | Iterator obtained.|

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

@@ -339,8 +339,8 @@ let strXml =
 let arrayBuffer = new ArrayBuffer(strXml.length);
 let bufView = new Uint8Array(arrayBuffer);
 let strLen = strXml.length;
-for (var i = 0; i < strLen; ++i) {
-    bufView[i] = strXml.charCodeAt(i);
+for (var tmp = 0; tmp < strLen; ++tmp) {
+    bufView[tmp] = strXml.charCodeAt(tmp);
 }
 let that = new xml.XmlPullParser(arrayBuffer);
 let arrTag = {};

en/device-dev/driver/driver-peripherals-face_auth-des.md

@@ -94,7 +94,7 @@ The Face_auth driver provides basic facial authentication capabilities for the U
 | API                                                      | Description                |
 | ------------------------------------------------------------ | ------------------------ |
 | IExecutorCallback::OnResult(int32_t code, const std::vector<uint8_t>& extraInfo) | Called to return the operation result.    |
-| IExecutorCallback::OnAcquireInfo(int32_t code, const std::vector<uint8_t>& extraInfo) | Called to return the interaction information about the operation process.|
+| IExecutorCallback::OnTip(int32_t code, const std::vector<uint8_t>& extraInfo) | Called to return the interaction information about the operation process.|
 
 ### How to Develop
 

en/device-dev/driver/driver-peripherals-fingerprint_auth-des.md

@@ -108,7 +108,7 @@ The fingerprint_auth driver provides stable basic fingerprint authentication cap
 | API                                                      | Description                |
 | ------------------------------------------------------------ | ------------------------ |
 | IExecutorCallback::OnResult(int32_t code, const std::vector<uint8_t>& extraInfo) | Called to return the operation result.    |
-| IExecutorCallback::OnAcquireInfo(int32_t code, const std::vector<uint8_t>& extraInfo) | Called to return the interaction information about the operation process.|
+| IExecutorCallback::OnTip(int32_t code, const std::vector<uint8_t>& extraInfo) | Called to return the interaction information about the operation process.|
 
 ### How to Develop