update docs

Signed-off-by: NAnnie_wang <annie.wangli@huawei.com>

en/application-dev/database/data-sync-of-rdb-store.md

@@ -10,9 +10,16 @@ You can synchronize the application data in a local RDB store on a device to oth
 
 OpenHamony supports synchronization of the relational data of an application across multiple devices.
 
-- Distributed table list<br>After a table is created for an application in an RDB store, you can set it as a distributed table. When querying the RDB store of a remote device, you can obtain the distributed table name of the remote device based on the local table name.
+- Distributed table list
 
-- Synchronization mode<br>Data can be synchronized between devices in either of the following ways: <br>- Pushing data from a local device to a remote device. <br>- Pulling data from a remote device to a local device.
+  After a table is created for an application in an RDB store, you can set it as a distributed table. When querying the RDB store of a remote device, you can obtain the distributed table name of the remote device based on the local table name.
+
+- Synchronization mode
+
+  Data can be synchronized between devices in either of the following ways:
+
+  - Pushing data from a local device to a remote device. 
+  - Pulling data from a remote device to a local device.
 
 
 ## Working Principles
@@ -44,12 +51,10 @@ When data is added, deleted, or modified, a notification is sent to the subscrib
 
 - Each RDB store supports a maximum of eight callbacks for subscription of data change notifications.
 
-- Third-party applications cannot call the distributed APIs that must be specified with the device.
-
 
 ## Available APIs
 
-The following table lists the APIs for cross-device data synchronization of RDB stores. Most of the APIs are executed asynchronously, using a callback or promise to return the result. The following table uses the callback-based APIs as an example. For more information about the APIs, see [RDB Store](../reference/apis/js-apis-data-relationalStore.md).
+Most of the APIs for cross-device data synchronization of RDB stores are executed asynchronously in callback or promise mode. The following table uses the callback-based APIs as an example. For more information about the APIs, see [RDB Store](../reference/apis/js-apis-data-relationalStore.md).
 
 | API| Description|
 | -------- | -------- |
@@ -73,7 +78,7 @@ The following table lists the APIs for cross-device data synchronization of RDB
    import relationalStore from '@ohos.data.relationalStore';
    ```
 
-2. Request permissions.
+2. Apply for the required permission.
 
    1. Request the **ohos.permission.DISTRIBUTED_DATASYNC** permission. For details, see [Declaring Permissions in the Configuration File](../security/accesstoken-guidelines.md#declaring-permissions-in-the-configuration-file).
    2. Display a dialog box to ask authorization from the user when the application is started for the first time. For details, see [Requesting User Authorization](../security/accesstoken-guidelines.md#requesting-user-authorization).
@@ -142,32 +147,33 @@ The following table lists the APIs for cross-device data synchronization of RDB
 
    > **NOTE**
    >
-   > **deviceIds** is obtained by using [devManager.getTrustedDeviceListSync](../reference/apis/js-apis-device-manager.md#gettrusteddevicelistsync). The APIs of the **deviceManager** module are all system interfaces and available only to system applications.
+   > The value of **deviceIds** can be obtained by [deviceManager.getAvailableDeviceListSync](../reference/apis/js-apis-distributedDeviceManager.md#getavailabledevicelistsync).
 
    
    ```js
    // Obtain device IDs.
-   import deviceManager from '@ohos.distributedHardware.deviceManager';
-   
-   deviceManager.createDeviceManager("com.example.appdatamgrverify", (err, manager) => {
-     if (err) {
-       console.info(`Failed to create device manager. Code:${err.code},message:${err.message}`);
-       return;
-     }
-     let devices = manager.getTrustedDeviceListSync();
-     let deviceId = devices[0].deviceId;
-   
-     // Construct a predicate object for querying the distributed table.
-     let predicates = new relationalStore.RdbPredicates('EMPLOYEE');
-     // Query data from the specified remote device and return the query result.
-     store.remoteQuery(deviceId, 'EMPLOYEE', predicates, ['ID', 'NAME', 'AGE', 'SALARY', 'CODES'],
-       function (err, resultSet) {
-         if (err) {
-           console.error(`Failed to remoteQuery data. Code:${err.code},message:${err.message}`);
-           return;
-         }
-         console.info(`ResultSet column names: ${resultSet.columnNames}, column count: ${resultSet.columnCount}`);
+   import deviceManager from '@ohos.distributedDeviceManager';
+   let dmInstance = null;
+   let deviceId = null;
+
+   try {
+    dmInstance = deviceManager.createDeviceManager("com.example.appdatamgrverify");
+    let devices = dmInstance.getAvailableDeviceListSync();
+    deviceId = devices[0].networkId;
+
+    // Construct a predicate object for querying the distributed table.
+    let predicates = new relationalStore.RdbPredicates('EMPLOYEE');
+    // Query data from the specified remote device and return the query result.
+    store.remoteQuery(deviceId, 'EMPLOYEE', predicates, ['ID', 'NAME', 'AGE', 'SALARY', 'CODES'],
+     function (err, resultSet) {
+       if (err) {
+         console.error(`Failed to remoteQuery data. Code:${err.code},message:${err.message}`);
+         return;
        }
-     )
-   })
-   ```
+        console.info(`ResultSet column names: ${resultSet.columnNames}, column count: ${resultSet.columnCount}`);
+      }
+    )
+   } catch (err) {
+   console.error("createDeviceManager errCode:" + err.code + ",errMessage:" + err.message);
+   }
+   ```
\ No newline at end of file

en/application-dev/reference/apis/js-apis-data-relationalStore.md

@@ -577,7 +577,7 @@ Defines the data types allowed.
 
 ## ValuesBucket
 
-Defines the types of the key and value in a KV pair. This type is not multi-thread safe. If a **ValuesBucket** instance is operated by multiple threads at the same time in an application, use a lock for the instance.
+Enumerates the types of the key in a KV pair. This type is not multi-thread safe. If a **ValuesBucket** instance is operated by multiple threads at the same time in an application, use a lock for the instance.
 
 **System capability**: SystemCapability.DistributedDataManager.RelationalStore.Core
 
@@ -587,13 +587,14 @@ Defines the types of the key and value in a KV pair. This type is not multi-thre
 
 ## PRIKeyType<sup>10+</sup> 
 
-Represents the type of the primary key in a row of a database table.
+Enumerates the types of the primary key in a row of a database table.
 
 **System capability**: SystemCapability.DistributedDataManager.RelationalStore.Core
 
 | Type            | Description                              |
 | ---------------- | ---------------------------------- |
-| number \| string | The type of the primary key can be number or string.|
+| number | The primary key is a number.|
+| string | The primary key is a string.|
 
 ## UTCTime<sup>10+</sup>
 
@@ -798,7 +799,8 @@ Sets an **RdbPredicates** to specify the remote devices to connect on the networ
 
 > **NOTE**
 >
-> The value of **devices** is obtained by [deviceManager.getTrustedDeviceListSync](js-apis-device-manager.md#gettrusteddevicelistsync). The APIs of the **deviceManager** module are system interfaces and available only to system applications.
+> The value of **devices** can be obtained by [deviceManager.getAvailableDeviceListSync](js-apis-distributedDeviceManager.md#getavailabledevicelistsync).
+If **inDevices** is specified in **predicates** when **sync()** is called, data is synchronized with the specified device. If **inDevices** is not specified, data is synchronized with all devices on the network by default.
 
 **System capability**: SystemCapability.DistributedDataManager.RelationalStore.Core
 
@@ -817,22 +819,20 @@ Sets an **RdbPredicates** to specify the remote devices to connect on the networ
 **Example**
 
 ```js
-import deviceManager from '@ohos.distributedHardware.deviceManager';
+import deviceManager from '@ohos.distributedDeviceManager';
 let dmInstance = null;
 let deviceIds = [];
 
-deviceManager.createDeviceManager("com.example.appdatamgrverify", (err, manager) => {
-    if (err) {
-        console.log("create device manager failed, err=" + err);
-        return;
-    }
-    dmInstance = manager;
-    let devices = dmInstance.getTrustedDeviceListSync();
-    for (var i = 0; i < devices.length; i++) {
-        deviceIds[i] = devices[i].deviceId;
-    }
-})
-                                  
+try {
+  dmInstance = deviceManager.createDeviceManager("com.example.appdatamgrverify");
+  let devices = dmInstance.getAvailableDeviceListSync();
+  for (var i = 0; i < devices.length; i++) {
+      deviceIds[i] = devices[i].networkId;
+  }
+} catch (err) {
+  console.error("createDeviceManager errCode:" + err.code + ",errMessage:" + err.message);
+}
+
 let predicates = new relationalStore.RdbPredicates("EMPLOYEE");
 predicates.inDevices(deviceIds);
 ```
@@ -844,6 +844,7 @@ inAllDevices(): RdbPredicates
 
 Sets an **RdbPredicates** to specify all remote devices on the network to connect during distributed database synchronization.
 
+
 **System capability**: SystemCapability.DistributedDataManager.RelationalStore.Core
 
 **Return value**
@@ -2733,7 +2734,7 @@ Queries data from the RDB store of a remote device based on specified conditions
 
 > **NOTE**
 >
-> The value of **device** is obtained by [deviceManager.getTrustedDeviceListSync](js-apis-device-manager.md#gettrusteddevicelistsync). The APIs of the **deviceManager** module are system interfaces and available only to system applications.
+> The value of **device** can be obtained by [deviceManager.getAvailableDeviceListSync](js-apis-distributedDeviceManager.md#getavailabledevicelistsync).
 
 **System capability**: SystemCapability.DistributedDataManager.RelationalStore.Core
 
@@ -2758,19 +2759,17 @@ For details about the error codes, see [RDB Error Codes](../errorcodes/errorcode
 **Example**
 
 ```js
-import deviceManager from '@ohos.distributedHardware.deviceManager';
+import deviceManager from '@ohos.distributedDeviceManager';
 let dmInstance = null;
 let deviceId = null;
 
-deviceManager.createDeviceManager("com.example.appdatamgrverify", (err, manager) => {
-    if (err) {
-        console.log("create device manager failed, err=" + err);
-        return;
-    }
-    dmInstance = manager;
-    let devices = dmInstance.getTrustedDeviceListSync();
-    deviceId = devices[0].deviceId;
-})
+try {
+  dmInstance = deviceManager.createDeviceManager("com.example.appdatamgrverify");
+  let devices = dmInstance.getAvailableDeviceListSync();
+  deviceId = devices[0].networkId;
+} catch (err) {
+  console.error("createDeviceManager errCode:" + err.code + ",errMessage:" + err.message);
+}
 
 let predicates = new relationalStore.RdbPredicates('EMPLOYEE');
 predicates.greaterThan("id", 0);
@@ -2803,7 +2802,7 @@ Queries data from the RDB store of a remote device based on specified conditions
 
 > **NOTE**
 >
-> The value of **device** is obtained by [deviceManager.getTrustedDeviceListSync](js-apis-device-manager.md#gettrusteddevicelistsync). The APIs of the **deviceManager** module are system interfaces and available only to system applications.
+> The value of **device** can be obtained by [deviceManager.getAvailableDeviceListSync](js-apis-distributedDeviceManager.md#getavailabledevicelistsync).
 
 **System capability**: SystemCapability.DistributedDataManager.RelationalStore.Core
 
@@ -2833,19 +2832,17 @@ For details about the error codes, see [RDB Error Codes](../errorcodes/errorcode
 **Example**
 
 ```js
-import deviceManager from '@ohos.distributedHardware.deviceManager';
+import deviceManager from '@ohos.distributedDeviceManager';
 let dmInstance = null;
 let deviceId = null;
 
-deviceManager.createDeviceManager("com.example.appdatamgrverify", (err, manager) => {
-    if (err) {
-        console.log("create device manager failed, err=" + err);
-        return;
-    }
-    dmInstance = manager;
-    let devices = dmInstance.getTrustedDeviceListSync();
-    deviceId = devices[0].deviceId;
-})
+try {
+  dmInstance = deviceManager.createDeviceManager("com.example.appdatamgrverify");
+  let devices = dmInstance.getAvailableDeviceListSync();
+  deviceId = devices[0].networkId;
+} catch (err) {
+  console.error("createDeviceManager errCode:" + err.code + ",errMessage:" + err.message);
+}
 
 let predicates = new relationalStore.RdbPredicates('EMPLOYEE');
 predicates.greaterThan("id", 0);
@@ -3586,6 +3583,8 @@ store.setDistributedTables(["EMPLOYEE"], relationalStore.DistributedType.DISTRIB
 })
 ```
 
+
+
 ### setDistributedTables<sup>10+</sup>
 
 setDistributedTables(tables: Array&lt;string&gt;, type: DistributedType, config: DistributedConfig, callback: AsyncCallback&lt;void&gt;): void
@@ -3682,7 +3681,7 @@ Obtains the distributed table name of a remote device based on the local table n
 
 > **NOTE**
 >
-> The value of **device** is obtained by [deviceManager.getTrustedDeviceListSync](js-apis-device-manager.md#gettrusteddevicelistsync). The APIs of the **deviceManager** module are system interfaces and available only to system applications.
+> The value of **device** can be obtained by [deviceManager.getAvailableDeviceListSync](js-apis-distributedDeviceManager.md#getavailabledevicelistsync).
 
 **Required permissions**: ohos.permission.DISTRIBUTED_DATASYNC
 
@@ -3707,19 +3706,17 @@ For details about the error codes, see [RDB Error Codes](../errorcodes/errorcode
 **Example**
 
 ```js
-import deviceManager from '@ohos.distributedHardware.deviceManager';
+import deviceManager from '@ohos.distributedDeviceManager';
 let dmInstance = null;
 let deviceId = null;
 
-deviceManager.createDeviceManager("com.example.appdatamgrverify", (err, manager) => {
-    if (err) {
-        console.log("create device manager failed, err=" + err);
-        return;
-    }
-    dmInstance = manager;
-    let devices = dmInstance.getTrustedDeviceListSync();
-    deviceId = devices[0].deviceId;
-})
+try {
+  dmInstance = deviceManager.createDeviceManager("com.example.appdatamgrverify");
+  let devices = dmInstance.getAvailableDeviceListSync();
+  deviceId = devices[0].networkId;
+} catch (err) {
+  console.error("createDeviceManager errCode:" + err.code + ",errMessage:" + err.message);
+}
 
 store.obtainDistributedTableName(deviceId, "EMPLOYEE", function (err, tableName) {
     if (err) {
@@ -3738,7 +3735,7 @@ Obtains the distributed table name of a remote device based on the local table n
 
 > **NOTE**
 >
-> The value of **device** is obtained by [deviceManager.getTrustedDeviceListSync](js-apis-device-manager.md#gettrusteddevicelistsync). The APIs of the **deviceManager** module are system interfaces and available only to system applications.
+> The value of **device** can be obtained by [deviceManager.getAvailableDeviceListSync](js-apis-distributedDeviceManager.md#getavailabledevicelistsync).
 
 **Required permissions**: ohos.permission.DISTRIBUTED_DATASYNC
 
@@ -3768,19 +3765,17 @@ For details about the error codes, see [RDB Error Codes](../errorcodes/errorcode
 **Example**
 
 ```js
-import deviceManager from '@ohos.distributedHardware.deviceManager';
+import deviceManager from '@ohos.distributedDeviceManager';
 let dmInstance = null;
 let deviceId = null;
 
-deviceManager.createDeviceManager("com.example.appdatamgrverify", (err, manager) => {
-    if (err) {
-        console.log("create device manager failed, err=" + err);
-        return;
-    }
-    dmInstance = manager;
-    let devices = dmInstance.getTrustedDeviceListSync();
-    deviceId = devices[0].deviceId;
-})
+try {
+  dmInstance = deviceManager.createDeviceManager("com.example.appdatamgrverify");
+  let devices = dmInstance.getAvailableDeviceListSync();
+  deviceId = devices[0].networkId;
+} catch (err) {
+  console.error("createDeviceManager errCode:" + err.code + ",errMessage:" + err.message);
+}
 
 let promise = store.obtainDistributedTableName(deviceId, "EMPLOYEE");
 promise.then((tableName) => {
@@ -3819,21 +3814,19 @@ For details about the error codes, see [RDB Error Codes](../errorcodes/errorcode
 **Example**
 
 ```js
-import deviceManager from '@ohos.distributedHardware.deviceManager';
+import deviceManager from '@ohos.distributedDeviceManager';
 let dmInstance = null;
 let deviceIds = [];
 
-deviceManager.createDeviceManager("com.example.appdatamgrverify", (err, manager) => {
-    if (err) {
-        console.log("create device manager failed, err=" + err);
-        return;
-    }
-    dmInstance = manager;
-    let devices = dmInstance.getTrustedDeviceListSync();
-    for (var i = 0; i < devices.length; i++) {
-        deviceIds[i] = devices[i].deviceId;
-    }
-})
+try {
+  dmInstance = deviceManager.createDeviceManager("com.example.appdatamgrverify");
+  let devices = dmInstance.getAvailableDeviceListSync();
+  for (var i = 0; i < devices.length; i++) {
+      deviceIds[i] = devices[i].networkId;
+  }
+} catch (err) {
+  console.error("createDeviceManager errCode:" + err.code + ",errMessage:" + err.message);
+}
 
 let predicates = new relationalStore.RdbPredicates('EMPLOYEE');
 predicates.inDevices(deviceIds);
@@ -3883,21 +3876,19 @@ For details about the error codes, see [RDB Error Codes](../errorcodes/errorcode
 **Example**
 
 ```js
-import deviceManager from '@ohos.distributedHardware.deviceManager';
+import deviceManager from '@ohos.distributedDeviceManager';
 let dmInstance = null;
 let deviceIds = [];
 
-deviceManager.createDeviceManager("com.example.appdatamgrverify", (err, manager) => {
-    if (err) {
-        console.log("create device manager failed, err=" + err);
-        return;
-    }
-    dmInstance = manager;
-    let devices = dmInstance.getTrustedDeviceListSync();
-    for (var i = 0; i < devices.length; i++) {
-        deviceIds[i] = devices[i].deviceId;
-    }
-})
+try {
+  dmInstance = deviceManager.createDeviceManager("com.example.appdatamgrverify");
+  let devices = dmInstance.getAvailableDeviceListSync();
+  for (var i = 0; i < devices.length; i++) {
+      deviceIds[i] = devices[i].networkId;
+  }
+} catch (err) {
+  console.error("createDeviceManager errCode:" + err.code + ",errMessage:" + err.message);
+}
 
 let predicates = new relationalStore.RdbPredicates('EMPLOYEE');
 predicates.inDevices(deviceIds);
@@ -4129,7 +4120,7 @@ Registers an intra-process or inter-process event listener for the RDB store. Th
 | Name      | Type           | Mandatory| Description                                                        |
 | ------------ | --------------- | ---- | ------------------------------------------------------------ |
 | event        | string          | Yes  | Event name to observe.                                              |
-| interProcess | boolean         | Yes  | Type of the event to observe.<br>The value **true** means the inter-process event.<br>The value **false** means the intra-process event. |
+| interProcess | boolean         | Yes  | Type of the event to observe.<br>The value **true** means the inter-process event.<br>The value **false** means the intra-process event.|
 | observer     | Callback\<void> | Yes  | Callback invoked to return the result.                                                  |
 
 **Error codes**