!19559 [翻译完成】#I73B66 (18517+18437+18572+18224+18157+18290）

Merge pull request !19559 from Annie_wang/PR18191

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

@@ -6,9 +6,8 @@ The APIs provided by  **DataSharePredicates** correspond to the filter criteria
 
 > **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 system APIs.
+> - 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 system APIs.
 
 
 ## Modules to Import
@@ -18,7 +17,7 @@ import dataSharePredicates from '@ohos.data.dataSharePredicates';
 ```
 
 ## DataSharePredicates
-Provides methods for setting different **DataSharePredicates** objects.
+Provides methods for setting different **DataSharePredicates** objects. This type is not multi-thread safe. If a **DataSharePredicates** instance is operated by multiple threads at the same time in an application, use a lock for the instance.
 
 ### equalTo
 
@@ -428,7 +427,7 @@ predicates.glob("NAME", "?h*g")
 
 between(field: string, low: ValueType, high: ValueType): DataSharePredicates
 
-Sets a **DataSharePredicates** object to search for the data that is within the specified range, including the start and end values.
+Sets a **DataSharePredicates** object to match the data that is within the specified range, including the start and end values.
 
 Currently, only the RDB supports this **DataSharePredicates** object.
 
@@ -459,7 +458,7 @@ predicates.between("AGE", 10, 50)
 
 notBetween(field: string, low: ValueType, high: ValueType): DataSharePredicates
 
-Sets a **DataSharePredicates** object to search for the data that is out of the specified range, excluding the start and end values.
+Sets a **DataSharePredicates** object to match the data that is out of the specified range, excluding the start and end values.
 
 Currently, only the RDB supports this **DataSharePredicates** object.
 

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

@@ -23,10 +23,10 @@ Creates a distributed data object.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| context | Context | Yes| Application context.<br>For details about the application context of the FA model, see [Context](js-apis-inner-app-context.md).<br>For details about the application context of the stage model, see [Context](js-apis-inner-application-uiAbilityContext.md).|
-| source | object | Yes| Attributes of the distributed data object.|
+  | Name| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
+  | context | Context | Yes| Application context.<br>For details about the application context of the FA model, see [Context](js-apis-inner-app-context.md).<br>For details about the application context of the stage model, see [Context](js-apis-inner-application-uiAbilityContext.md).|
+  | source | object | Yes| Attributes of the distributed data object.|
 
 **Return value**
 
@@ -75,9 +75,9 @@ Creates a random session ID.
 
 **Return value**
 
-| Type| Description|
-| -------- | -------- |
-| string | Session ID created.|
+  | Type| Description|
+  | -------- | -------- |
+  | string | Session ID created.|
 
 **Example**
 
@@ -124,18 +124,18 @@ Sets a session ID for synchronization. Automatic synchronization is performed fo
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| sessionId | string | Yes| ID of a distributed data object on a trusted network.|
-| callback | AsyncCallback&lt;void&gt; | Yes| Asynchronous callback invoked when the session ID is successfully set.|
+  | Name| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
+  | sessionId | string | Yes| ID of a distributed data object on a trusted network.|
+  | callback | AsyncCallback&lt;void&gt; | Yes| Asynchronous callback invoked when the session ID is successfully set.|
 
 **Error codes**
 
   For details about the error codes, see [Distributed Data Object Error Codes](../errorcodes/errorcode-distributed-dataObject.md).
 
-| ID| Error Message|
-| -------- | -------- |
-| 15400001 | Failed to create the in-memory database.|
+  | ID| Error Message|
+  | -------- | -------- |
+  | 15400001 | Create table failed.|
 
 **Example**
 
@@ -158,17 +158,17 @@ Exits all joined sessions.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| callback | AsyncCallback&lt;void&gt; | Yes| Asynchronous callback invoked when the distributed data object exits all joined sessions.|
+  | Name| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
+  | callback | AsyncCallback&lt;void&gt; | Yes| Asynchronous callback invoked when the distributed data object exits all joined sessions.|
 
 **Error codes**
 
   For details about the error codes, see [Distributed Data Object Error Codes](../errorcodes/errorcode-distributed-dataObject.md).
 
-| ID| Error Message|
-| -------- | -------- |
-| 15400001 | Failed to create the in-memory database.|
+  | ID| Error Message|
+  | -------- | -------- |
+  | 15400001 | Create table failed.|
 
 **Example**
 
@@ -195,9 +195,9 @@ Sets a session ID for synchronization. Automatic synchronization is performed fo
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| sessionId | string | No| ID of a distributed data object on a trusted network. To remove a distributed data object from the network, set this parameter to "" or leave it empty.|
+  | Name| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
+  | sessionId | string | No| ID of a distributed data object on a trusted network. To remove a distributed data object from the network, set this parameter to "" or leave it empty.|
 
 **Return value**
 
@@ -209,9 +209,9 @@ Sets a session ID for synchronization. Automatic synchronization is performed fo
 
   For details about the error codes, see [Distributed Data Object Error Codes](../errorcodes/errorcode-distributed-dataObject.md).
 
-| ID| Error Message|
-| -------- | -------- |
-| 15400001 | Failed to create the in-memory database.|
+  | ID| Error Message|
+  | -------- | -------- |
+  | 15400001 | Create table failed.|
 
 **Example**
 
@@ -240,10 +240,10 @@ Subscribes to data changes of this distributed data object.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| type | string | Yes| Event type to subscribe to. The value is **change**, which indicates data changes.|
-| callback | Callback<{ sessionId: string, fields: Array&lt;string&gt; }> | Yes| Callback invoked to return the changes of the distributed data object.<br>**sessionId** indicates the session ID of the distributed data object.<br>**fields** indicates the changed attributes of the distributed data object.|
+  | Name| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
+  | type | string | Yes| Event type to subscribe to. The value is **change**, which indicates data changes.|
+  | callback | Callback<{ sessionId: string, fields: Array&lt;string&gt; }> | Yes| Callback invoked to return the changes of the distributed data object.<br>**sessionId** indicates the session ID of the distributed data object.<br>**fields** indicates the changed attributes of the distributed data object.|
 
 **Example**
 
@@ -269,10 +269,10 @@ Unsubscribes from the data changes of this distributed data object.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
+  | Name| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
 | type | string | Yes| Event type to unsubscribe from. The value is **change**, which indicates data changes.|
-| callback | Callback<{ sessionId: string, fields: Array&lt;string&gt; }> | No| Callback for data changes. If this parameter is not specified, all data change callbacks of this distributed data object will be unregistered.<br>**sessionId** indicates the session ID of the distributed data object.<br>**fields** indicates the changed attributes of the distributed data object.|
+  | callback | Callback<{ sessionId: string, fields: Array&lt;string&gt; }> | No| Callback for data changes. If this parameter is not specified, all data change callbacks of this distributed data object will be unregistered.<br>**sessionId** indicates the session ID of the distributed data object.<br>**fields** indicates the changed attributes of the distributed data object.|
 
 
 **Example**
@@ -294,10 +294,10 @@ Subscribes to status changes of this distributed data object.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| type | string | Yes| Event type to subscribe to. The value is **status**, which indicates the status change (online or offline) of the distributed data object.|
-| callback | Callback<{ sessionId: string, networkId: string, status: 'online' \| 'offline' }> | Yes| Callback invoked to return the status change.<br>**sessionId** indicates the session ID of the distributed data object.<br>**networkId** indicates the object device ID, that is, **deviceId**.<br>**status** indicates the object status, which can be online or offline.|
+  | Name| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
+  | type | string | Yes| Event type to subscribe to. The value is **status**, which indicates the status change (online or offline) of the distributed data object.|
+  | callback | Callback<{ sessionId: string, networkId: string, status: 'online' \| 'offline' }> | Yes| Callback invoked to return the status change.<br>**sessionId** indicates the session ID of the distributed data object.<br>**networkId** indicates the object device ID, that is, **deviceId**.<br>**status** indicates the object status, which can be online or offline.|
 
 **Example**
 
@@ -318,10 +318,10 @@ Unsubscribes from the status change of this distributed data object.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
+  | Name| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
 | type | string | Yes| Event type to unsubscribe from. The value is **status**, which indicates the status change (online or offline) of the distributed data object.|
-| callback | Callback<{ sessionId: string, deviceId: string, status: 'online' \| 'offline' }> | No| Callback for status changes. If this parameter is not specified, all status change callbacks of this distributed data object will be unsubscribed from.<br>**sessionId** indicates the session ID of the distributed data object.<br>**deviceId** indicates the device ID of the distributed data object.<br>**status** indicates the object status, which can be online or offline.|
+  | callback | Callback<{ sessionId: string, deviceId: string, status: 'online' \| 'offline' }> | No| Callback for status changes. If this parameter is not specified, all status change callbacks of this distributed data object will be unsubscribed from.<br>**sessionId** indicates the session ID of the distributed data object.<br>**deviceId** indicates the device ID of the distributed data object.<br>**status** indicates the object status, which can be online or offline.|
 
 
 **Example**
@@ -354,10 +354,10 @@ The saved data will be released in the following cases:
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| deviceId | string | Yes| ID of the device where data is stored. The value **local** indicates the local device.|
-| callback | AsyncCallback&lt;[SaveSuccessResponse](#savesuccessresponse9)&gt; | Yes| Callback invoked to return **SaveSuccessResponse**, which contains information such as session ID, version, and device ID.|
+  | Name| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
+  | deviceId | string | Yes| ID of the device where data is stored. The value **local** indicates the local device.|
+  | callback | AsyncCallback&lt;[SaveSuccessResponse](#savesuccessresponse9)&gt; | Yes| Callback invoked to return **SaveSuccessResponse**, which contains information such as session ID, version, and device ID.|
 
 **Example**
 
@@ -394,15 +394,15 @@ The saved data will be released in the following cases:
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| deviceId | string | Yes| ID of the device where the data is saved. The default value is **local**, which indicates the local device. |
+  | Name| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
+  | deviceId | string | Yes| ID of the device where the data is saved. The default value is **local**, which indicates the local device. |
 
 **Return value**
 
-| Type| Description|
-| -------- | -------- |
-| Promise&lt;[SaveSuccessResponse](#savesuccessresponse9)&gt; | Promise used to return **SaveSuccessResponse**, which contains information such as session ID, version, and device ID.|
+  | Type| Description|
+  | -------- | -------- |
+  | Promise&lt;[SaveSuccessResponse](#savesuccessresponse9)&gt; | Promise used to return **SaveSuccessResponse**, which contains information such as session ID, version, and device ID.|
 
 **Example**
 
@@ -423,7 +423,7 @@ g_object.save("local").then((result) => {
 
 revokeSave(callback: AsyncCallback&lt;RevokeSaveSuccessResponse&gt;): void
 
-Revokes the saving operation of this distributed data object. This API uses an asynchronous callback to return the result.
+Revokes the data of this distributed data object saved. This API uses an asynchronous callback to return the result.
 
 If the object is saved on the local device, the data saved on all trusted devices will be deleted.
 If the object is stored on another device, the data on the local device will be deleted.
@@ -432,9 +432,9 @@ If the object is stored on another device, the data on the local device will be
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| callback | AsyncCallback&lt;[RevokeSaveSuccessResponse](#revokesavesuccessresponse9)&gt; | Yes| Callback invoked to return **RevokeSaveSuccessResponse**, which contains the session ID.|
+  | Name| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
+  | callback | AsyncCallback&lt;[RevokeSaveSuccessResponse](#revokesavesuccessresponse9)&gt; | Yes| Callback invoked to return **RevokeSaveSuccessResponse**, which contains the session ID.|
 
 **Example**
 
@@ -468,7 +468,7 @@ g_object.revokeSave((err, result) => {
 
 revokeSave(): Promise&lt;RevokeSaveSuccessResponse&gt;
 
-Revokes the saving operation of this distributed data object. This API uses a promise to return the result.
+Revokes the data of this distributed data object saved. This API uses a promise to return the result.
 
 If the object is saved on the local device, the data saved on all trusted devices will be deleted.
 If the object is stored on another device, the data on the local device will be deleted.
@@ -477,9 +477,9 @@ If the object is stored on another device, the data on the local device will be
 
 **Return value**
 
-| Type| Description|
-| -------- | -------- |
-| Promise&lt;[RevokeSaveSuccessResponse](#revokesavesuccessresponse9)&gt; | Promise used to return **RevokeSaveSuccessResponse**, which contains the session ID.|
+  | Type| Description|
+  | -------- | -------- |
+  | Promise&lt;[RevokeSaveSuccessResponse](#revokesavesuccessresponse9)&gt; | Promise used to return **RevokeSaveSuccessResponse**, which contains the session ID.|
 
 **Example**
 
@@ -520,9 +520,9 @@ Creates a distributed data object.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| source | object | Yes| Attributes of the distributed data object.|
+  | Name| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
+  | source | object | Yes| Attributes of the distributed data object.|
 
 **Return value**
 
@@ -558,15 +558,15 @@ Sets a session ID for synchronization. Automatic synchronization is performed fo
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| sessionId | string | No| ID of a distributed data object on a trusted network. To remove a distributed data object from the network, set this parameter to "" or leave it empty.|
+  | Name| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
+  | sessionId | string | No| ID of a distributed data object on a trusted network. To remove a distributed data object from the network, set this parameter to "" or leave it empty.|
 
 **Return value**
 
-| Type| Description|
-| -------- | -------- |
-| boolean | Returns **true** if the session ID is set successfully;<br>returns **false** otherwise. |
+  | Type| Description|
+  | -------- | -------- |
+  | boolean | Returns **true** if the session ID is set successfully;<br>returns **false** otherwise. |
 
 **Example**
 
@@ -593,10 +593,10 @@ Subscribes to data changes of this distributed data object.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| type | string | Yes| Event type to subscribe to. The value is **change**, which indicates data changes.|
-| callback | Callback<{ sessionId: string, fields: Array&lt;string&gt; }> | Yes| Callback invoked to return the changes of the distributed data object.<br>**sessionId** indicates the session ID of the distributed data object.<br>**fields** indicates the changed attributes of the distributed data object.|
+  | Name| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
+  | type | string | Yes| Event type to subscribe to. The value is **change**, which indicates data changes.|
+  | callback | Callback<{ sessionId: string, fields: Array&lt;string&gt; }> | Yes| Callback invoked to return the changes of the distributed data object.<br>**sessionId** indicates the session ID of the distributed data object.<br>**fields** indicates the changed attributes of the distributed data object.|
 
 **Example**
 
@@ -628,10 +628,10 @@ Unsubscribes from the data changes of this distributed data object.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
+  | Name| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
 | type | string | Yes| Event type to unsubscribe from. The value is **change**, which indicates data changes.|
-| callback | Callback<{ sessionId: string, fields: Array&lt;string&gt; }> | No| Callback for data changes. If this parameter is not specified, all data change callbacks of this distributed data object will be unregistered.<br>**sessionId** indicates the session ID of the distributed data object.<br>**fields** indicates the changed attributes of the distributed data object.|
+  | callback | Callback<{ sessionId: string, fields: Array&lt;string&gt; }> | No| Callback for data changes. If this parameter is not specified, all data change callbacks of this distributed data object will be unregistered.<br>**sessionId** indicates the session ID of the distributed data object.<br>**fields** indicates the changed attributes of the distributed data object.|
 
 
 **Example**
@@ -659,10 +659,10 @@ Subscribes to status changes of this distributed data object.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| type | string | Yes| Event type to subscribe to. The value is **status**, which indicates the status change (online or offline) of the distributed data object.|
-| callback | Callback<{ sessionId: string, networkId: string, status: 'online' \| 'offline' }> | Yes| Callback invoked to return the status change.<br>**sessionId** indicates the session ID of the distributed data object.<br>**networkId** indicates the object device ID, that is, **deviceId**.<br>**status** indicates the object status, which can be online or offline.|
+  | Name| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
+  | type | string | Yes| Event type to subscribe to. The value is **status**, which indicates the status change (online or offline) of the distributed data object.|
+  | callback | Callback<{ sessionId: string, networkId: string, status: 'online' \| 'offline' }> | Yes| Callback invoked to return the status change.<br>**sessionId** indicates the session ID of the distributed data object.<br>**networkId** indicates the object device ID, that is, **deviceId**.<br>**status** indicates the object status, which can be online or offline.|
 
 **Example**
 
@@ -689,8 +689,8 @@ Unsubscribes from the status change of this distributed data object.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
+  | Name| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
 | type | string | Yes| Event type to unsubscribe from. The value is **status**, which indicates the status change (online or offline) of the distributed data object.|
 | callback | Callback<{ sessionId: string, deviceId: string, status: 'online' \| 'offline' }> | No| Callback for status changes. If this parameter is not specified, all status change callbacks of this distributed data object will be unregistered.<br>**sessionId** indicates the session ID of the distributed data object.<br>**deviceId** indicates the device ID of the distributed data object.<br>**status** indicates the object status, which can be online or offline.|
 

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

@@ -185,7 +185,7 @@ For details about the error codes, see [User Preference Error Codes](../errorcod
 
 | ID| Error Message                      |
 | -------- | ------------------------------|
-| 15500010 | Failed to delete the preferences. |
+| 15500010 | Failed to delete preferences. |
 
 **Example**
 
@@ -197,7 +197,7 @@ import featureAbility from '@ohos.ability.featureAbility';
 let context = featureAbility.getContext();
 
 try {
-    data_preferences.deletePreferences(context, 'mystore', function (err, val) {
+    data_preferences.deletePreferences(context, 'mystore', function (err) {
         if (err) {
             console.info("Failed to delete the preferences. code =" + err.code + ", message =" + err.message);
             return;
@@ -217,7 +217,7 @@ import UIAbility from '@ohos.app.ability.UIAbility';
 class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage) {
         try {
-            data_preferences.deletePreferences(this.context, 'mystore', function (err, val) {
+            data_preferences.deletePreferences(this.context, 'mystore', function (err) {
                 if (err) {
                     console.info("Failed to delete the preferences. code =" + err.code + ", message =" + err.message);
                     return;
@@ -262,7 +262,7 @@ For details about the error codes, see [User Preference Error Codes](../errorcod
 
 | ID| Error Message                      |
 | -------- | ------------------------------|
-| 15500010 | Failed to delete the preferences. |
+| 15500010 | Failed to delete preferences. |
 
 **Example**
 
@@ -334,7 +334,7 @@ import featureAbility from '@ohos.ability.featureAbility';
 let context = featureAbility.getContext();
 
 try {
-    data_preferences.removePreferencesFromCache(context, 'mystore', function (err, val) {
+    data_preferences.removePreferencesFromCache(context, 'mystore', function (err) {
         if (err) {
             console.info("Failed to remove the preferences. code =" + err.code + ", message =" + err.message);
             return;
@@ -354,7 +354,7 @@ import UIAbility from '@ohos.app.ability.UIAbility';
 class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage) {
         try {
-            data_preferences.removePreferencesFromCache(this.context, 'mystore', function (err, val) {
+            data_preferences.removePreferencesFromCache(this.context, 'mystore', function (err) {
                 if (err) {
                     console.info("Failed to remove the preferences. code =" + err.code + ", message =" + err.message);
                     return;

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

@@ -9,9 +9,8 @@ This module provides the following RDB-related functions:
 
 > **NOTE**
 >
-> The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version.
-> 
-> The APIs of this module are no longer maintained since API version 9. You are advised to use [@ohos.data.relationalStore](js-apis-data-relationalStore.md).
+> - The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version.
+> - The APIs of this module are no longer maintained since API version 9. You are advised to use [@ohos.data.relationalStore](js-apis-data-relationalStore.md).
 
 
 ## Modules to Import
@@ -1174,7 +1173,7 @@ predicates.notIn("NAME", ["Lisa", "Rose"])
 
 Provides methods to manage an RDB store.
 
-Before using the APIs of this class, use [executeSql](#executesql8) to initialize the database table structure and related data.
+Before using the APIs of this class, use [executeSql](#executesql) to initialize the database table structure and related data.
 
 ### insert
 
@@ -1830,7 +1829,7 @@ obtainDistributedTableName(device: string, table: string, callback: AsyncCallbac
 
 Obtains the distributed table name of a remote device based on the local table name of the device. The distributed table name is required when the RDB store of a remote device is queried.
 
-> **NOTE**<br/>
+> **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. 
 
@@ -1879,7 +1878,7 @@ rdbStore.obtainDistributedTableName(deviceId, "EMPLOYEE", function (err, tableNa
 
 Obtains the distributed table name of a remote device based on the local table name of the device. The distributed table name is required when the RDB store of a remote device is queried.
 
-> **NOTE**<br/>
+> **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. 
 
@@ -2045,7 +2044,7 @@ Registers an observer for this RDB store. When the data in the RDB store changes
 | -------- | -------- | -------- | -------- |
 | event | string | Yes| The value is'dataChange', which indicates a data change event.|
 | type | [SubscribeType](#subscribetype8) | Yes| Subscription type to register.|
-| observer | Callback&lt;Array&lt;string&gt;&gt; | Yes| Observer that listens for the data changes in the RDB store.|
+| observer | Callback&lt;Array&lt;string&gt;&gt; | Yes| Observer that listens for the data changes in the RDB store. **Array<string>** indicates the IDs of the peer devices whose data in the database is changed.|
 
 **Example**
 
@@ -2076,7 +2075,7 @@ Unregisters the observer of the specified type from the RDB store. This API uses
 | -------- | -------- | -------- | -------- |
 | event | string | Yes| The value is'dataChange', which indicates a data change event.|
 | type | [SubscribeType](#subscribetype8)    | Yes| Subscription type to unregister.|
-| observer | Callback&lt;Array&lt;string&gt;&gt; | Yes| Data change observer registered.|
+| observer | Callback&lt;Array&lt;string&gt;&gt; | Yes| Data change observer to unregister. **Array<string>** indicates the IDs of the peer devices whose data in the database is changed.|
 
 **Example**
 

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

-# @ohos.data.ValuesBucket (Value Bucket)
+# @ohos.data.ValuesBucket (Data Set)
 
 The **ValueBucket** module holds data in key-value (KV) pairs. You can use it to insert data into a database.
 
@@ -6,7 +6,6 @@ The **ValueBucket** module holds data in key-value (KV) pairs. You can use it to
 >
 > 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 system APIs.
 
 
 ## Modules to Import
@@ -30,7 +29,7 @@ Enumerates the value types allowed by the database.
 
 ## ValuesBucket
 
-Defines the types of the key and value in a KV pair.
+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.
 
 **System capability**: SystemCapability.DistributedDataManager.DataShare.Core
 

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

@@ -129,8 +129,8 @@ Defines user information.
 
 | Name| Type| Mandatory| Description|
 | ----- | ------ |------ | ------ |
-| userId | string | No | User ID.|
-| userType | [UserType](#usertype) | No | User type.|
+| userId | string | No | User ID. The default value is **0**.|
+| userType | [UserType](#usertype) | No | User type. The default value is **0**.|
 
 
 ## UserType
@@ -268,7 +268,7 @@ const options = {
     backup: false,
     autoSync: true,
     kvStoreType: distributedData.KVStoreType.SINGLE_VERSION,
-    schema: '',
+    schema: undefined,
     securityLevel: distributedData.SecurityLevel.S2,
 }
 try {
@@ -318,7 +318,7 @@ const options = {
     backup: false,
     autoSync: true,
     kvStoreType: distributedData.KVStoreType.SINGLE_VERSION,
-    schema: '',
+    schema: undefined,
     securityLevel: distributedData.SecurityLevel.S2,
 }
 try {
@@ -366,7 +366,7 @@ const options = {
     backup : false,
     autoSync : true,
     kvStoreType : distributedData.KVStoreType.SINGLE_VERSION,
-    schema : '',
+    schema : undefined,
     securityLevel : distributedData.SecurityLevel.S2,
 }
 try {
@@ -415,7 +415,7 @@ const options = {
     backup : false,
     autoSync : true,
     kvStoreType : distributedData.KVStoreType.SINGLE_VERSION,
-    schema : '',
+    schema : undefined,
     securityLevel : distributedData.SecurityLevel.S2,
 }
 try {
@@ -575,13 +575,13 @@ Provides KV store configuration.
 
 | Name | Type| Mandatory  | Description                   |
 | -----  | ------  | ------  | -------------------|
-| createIfMissing  | boolean | No| Whether to create a KV store if no database file exists. By default, a KV store is created.<br>**System capability**: SystemCapability.DistributedDataManager.KVStore.Core   |
-| encrypt  | boolean | No|Whether to encrypt database files. By default, database files are not encrypted.<br>**System capability**: SystemCapability.DistributedDataManager.KVStore.Core    |
-| backup  | boolean | No|Whether to back up database files. By default, database files are backed up. <br>**System capability**: SystemCapability.DistributedDataManager.KVStore.Core   |
-| autoSync  | boolean | No|Whether to automatically synchronize database files. The value **false** (default) means to manually synchronize database files; the value **true** means to automatically synchronize database files.<br>**System capability**: SystemCapability.DistributedDataManager.KVStore.Core<br>**Required permissions**: ohos.permission.DISTRIBUTED_DATASYNC    |
-| kvStoreType | [KVStoreType](#kvstoretype) | No|Type of the KV store to create. By default, a device KV store is created. The device KV store stores data for multiple devices that collaborate with each other.<br>**System capability**: SystemCapability.DistributedDataManager.KVStore.Core|
-| securityLevel | [SecurityLevel](#securitylevel) | No|Security level of the KV store. By default, the security level is not set.<br>**System capability**: SystemCapability.DistributedDataManager.KVStore.Core |
-| schema<sup>8+</sup> | [Schema](#schema8) | No| Schema used to define the values stored in a KV store.<br>**System capability**: SystemCapability.DistributedDataManager.KVStore.DistributedKVStore|
+| createIfMissing  | boolean | No| Whether to create a KV store if no database file exists. The default value is **true**, which means to create a KV store.<br>**System capability**: SystemCapability.DistributedDataManager.KVStore.Core   |
+| encrypt  | boolean | No|Whether to encrypt the KV store. The default value is **false**, which means the KV store is not encrypted.<br>**System capability**: SystemCapability.DistributedDataManager.KVStore.Core    |
+| backup  | boolean | No|Whether to back up the KV store. The default value is **true**, which means to back up the KV store.<br>**System capability**: SystemCapability.DistributedDataManager.KVStore.Core   |
+| autoSync  | boolean | No|Whether to automatically synchronize database files. The value **false** (default) means to manually synchronize database files; the value **true** means to automatically synchronize database files.<br>**System capability**: SystemCapability.DistributedDataManager.KVStore.Core<br>**Required permissions**: ohos.permission.DISTRIBUTED_DATASYNC |
+| kvStoreType | [KVStoreType](#kvstoretype) | No|Type of the KV store to create. The default value is **DEVICE_COLLABORATION**, which indicates a device KV store.<br>**System capability**: SystemCapability.DistributedDataManager.KVStore.Core|
+| securityLevel | [SecurityLevel](#securitylevel) | Yes|Security level (S1-S4) of the KV store.<br>**System capability**: SystemCapability.DistributedDataManager.KVStore.Core |
+| schema<sup>8+</sup> | [Schema](#schema8) | No| Schema used to define the values stored in the KV store. The default value is **undefined**, which means the schema is not set.<br>**System capability**: SystemCapability.DistributedDataManager.KVStore.DistributedKVStore|
 
 
 ## KVStoreType
@@ -602,8 +602,8 @@ Enumerates the KV store security levels.
 
 | Name | Value| Description                   |
 | ---   | ----  | ----------------------- |
-| NO_LEVEL  | 0 | No security level is set for the KV store.<br>**System capability**: SystemCapability.DistributedDataManager.KVStore.DistributedKVStore  |
-| S0  | 1 | The KV store security level is public.<br>**System capability**: SystemCapability.DistributedDataManager.KVStore.Core   |
+| NO_LEVEL  | 0 | No security level is set for the KV store (deprecated).<br>**System capability**: SystemCapability.DistributedDataManager.KVStore.DistributedKVStore  |
+| S0  | 1 | The KV store security level is public (deprecated).<br>**System capability**: SystemCapability.DistributedDataManager.KVStore.Core   |
 | S1  | 2 | The KV store security level is low. If data leakage occurs, minor impact will be caused on the database. For example, a KV store that contains system data such as wallpapers.<br>**System capability**: SystemCapability.DistributedDataManager.KVStore.Core   |
 | S2  | 3 | The KV store security level is medium. If data leakage occurs, moderate impact will be caused on the database. For example, a KV store that contains information created by users or call records, such as audio or video clips.<br>**System capability**: SystemCapability.DistributedDataManager.KVStore.Core   |
 | S3  | 5 | The KV store security level is high. If data leakage occurs, major impact will be caused on the database. For example, a KV store that contains information such as user fitness, health, and location data.<br>**System capability**: SystemCapability.DistributedDataManager.KVStore.Core   |
@@ -2292,7 +2292,7 @@ Unsubscribes from data changes.
 | Name  | Type                                                     | Mandatory| Description                                                    |
 | -------- | --------------------------------------------------------- | ---- | -------------------------------------------------------- |
 | event    | string                                                    | Yes  | Event to unsubscribe from. The value is **dataChange**, which indicates a data change event.|
-| listener |Callback&lt;[ChangeNotification](#changenotification)&gt; |No   |Callback for the data change event.|
+| listener | Callback&lt;[ChangeNotification](#changenotification)&gt; | No  | Callback for the data change event. If the callback is not specified, all subscriptions to the data change event will be canceled.|
 
 
 
@@ -2330,7 +2330,7 @@ Unsubscribes from synchronization complete events.
 | Name      | Type                                         | Mandatory| Description                                                      |
 | ------------ | --------------------------------------------- | ---- | ---------------------------------------------------------- |
 | event        | string                                        | Yes  | Event to unsubscribe from. The value is **syncComplete**, which indicates a synchronization complete event.|
-| syncCallback  |Callback&lt;Array&lt;[string, number]&gt;&gt;   | No   |Callback for the synchronization complete event.   |
+| syncCallback | Callback&lt;Array&lt;[string, number]&gt;&gt; | No  | Callback for the synchronization complete event. If the callback is not specified, all subscriptions to the synchronization complete event will be canceled. |
 
 **Example**
 
@@ -3769,7 +3769,7 @@ Synchronizes the KV store manually.
 | --------- | --------------------- | ---- | ---------------------------------------------- |
 | deviceIds | string[]              | Yes  | List of IDs of the devices in the same networking environment to be synchronized.|
 | mode      | [SyncMode](#syncmode) | Yes  | Synchronization mode.                                    |
-| delayMs   | number                | No  | Allowed synchronization delay time, in ms.    |
+| delayMs   | number                | No  | Allowed synchronization delay time, in ms. The default value is **0**. |
 
 **Example**
 
@@ -3884,7 +3884,7 @@ Unsubscribes from data changes.
 | Name  | Type                                                     | Mandatory| Description                                                    |
 | -------- | --------------------------------------------------------- | ---- | -------------------------------------------------------- |
 | event    | string                                                    | Yes  | Event to unsubscribe from. The value is **dataChange**, which indicates a data change event.|
-| listener |Callback&lt;[ChangeNotification](#changenotification)&gt; |No   |Callback for the data change event.|
+| listener | Callback&lt;[ChangeNotification](#changenotification)&gt; | No  | Callback for the data change event. If the callback is not specified, all subscriptions to the data change event will be canceled. |
 
 **Example**
 
@@ -3920,7 +3920,7 @@ Unsubscribes from synchronization complete events.
 | Name      | Type                                         | Mandatory| Description                                                      |
 | ------------ | --------------------------------------------- | ---- | ---------------------------------------------------------- |
 | event        | string                                        | Yes  | Event to unsubscribe from. The value is **syncComplete**, which indicates a synchronization complete event.|
-| syncCallback | Callback&lt;Array&lt;[string, number]&gt;&gt; | No  | Callback for the synchronization complete event.                |
+| syncCallback | Callback&lt;Array&lt;[string, number]&gt;&gt; | No  | Callback for the synchronization complete event. If the callback is not specified, all subscriptions to the synchronization complete event will be canceled. |
 
 **Example**
 
@@ -5191,7 +5191,7 @@ Synchronizes the KV store manually.
 | -----  | ------   | ----  | ----------------------- |
 | deviceIds    |string[]               | Yes   |IDs of the devices to be synchronized.|
 | mode            |[SyncMode](#syncmode)  | Yes   |Synchronization mode. |
-| delayMs  |number                 | No   |Allowed synchronization delay time, in ms. |
+| delayMs  |number                 | No   |Allowed synchronization delay time, in ms. The default value is **0**. |
 
 **Example**
 
@@ -5306,7 +5306,7 @@ Unsubscribes from data changes.
 | Name  | Type                                                     | Mandatory| Description                                                    |
 | -------- | --------------------------------------------------------- | ---- | -------------------------------------------------------- |
 | event    | string                                                    | Yes  | Event to unsubscribe from. The value is **dataChange**, which indicates a data change event.|
-| listener |Callback&lt;[ChangeNotification](#changenotification)&gt; |No   |Callback for the data change event.|
+| listener | Callback&lt;[ChangeNotification](#changenotification)&gt; | No  | Callback for the data change event. If the callback is not specified, all subscriptions to the data change event will be canceled.|
 
 **Example**
 
@@ -5342,7 +5342,7 @@ Unsubscribes from synchronization complete events.
 | Name      | Type                                         | Mandatory| Description                                                      |
 | ------------ | --------------------------------------------- | ---- | ---------------------------------------------------------- |
 | event        | string                                        | Yes  | Event to unsubscribe from. The value is **syncComplete**, which indicates a synchronization complete event.|
-| syncCallback | Callback&lt;Array&lt;[string, number]&gt;&gt; | No  | Callback for the synchronization complete event.                |
+| syncCallback | Callback&lt;Array&lt;[string, number]&gt;&gt; | No  | Callback for the synchronization complete event. If the callback is not specified, all subscriptions to the synchronization complete event will be canceled. |
 
 **Example**