diff --git a/zh-cn/application-dev/reference/apis/js-apis-distributed-data.md b/zh-cn/application-dev/reference/apis/js-apis-distributed-data.md
index 385a0aa56f3ffbe2e53b49445f1ef59bad60fac9..4fefe7329cba6c4b4df1c1e5099a4bf92af29f3a 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-distributed-data.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-distributed-data.md
@@ -578,7 +578,7 @@ try {
 | createIfMissing  | boolean | 否 | 当数据库文件不存在时是否创建数据库，默认创建。 <br>**系统能力：** SystemCapability.DistributedDataManager.KVStore.Core    |
 | encrypt  | boolean | 否 |设置数据库文件是否加密，默认不加密。<br>**系统能力：** SystemCapability.DistributedDataManager.KVStore.Core     |
 | backup  | boolean | 否 |设置数据库文件是否备份，默认备份。 <br>**系统能力：** SystemCapability.DistributedDataManager.KVStore.Core    |
-| autoSync  | boolean | 否 |设置数据库文件是否自动同步，默认不自动同步。<br>**系统能力：** SystemCapability.DistributedDataManager.KVStore.Core<br>**需要权限**： ohos.permission.DISTRIBUTED_DATASYNC     |
+| autoSync  | boolean | 否 |设置数据库文件是否自动同步。默认为false，即手动同步；设置为ture时，表示自动同步。<br>**系统能力：** SystemCapability.DistributedDataManager.KVStore.Core<br>**需要权限**： ohos.permission.DISTRIBUTED_DATASYNC     |
 | kvStoreType | [KVStoreType](#kvstoretype) | 否 |设置要创建的数据库类型，默认为多设备协同数据库。<br>**系统能力：** SystemCapability.DistributedDataManager.KVStore.Core |
 | securityLevel | [SecurityLevel](#securitylevel) | 否 |设置数据库安全级别，默认不设置安全级别。<br>**系统能力：** SystemCapability.DistributedDataManager.KVStore.Core  |
 | schema<sup>8+</sup> | [Schema](#schema8) | 否 | 设置定义存储在数据库中的值。<br>**系统能力：** SystemCapability.DistributedDataManager.KVStore.DistributedKVStore |
@@ -3755,6 +3755,9 @@ try {
 sync(deviceIds: string[], mode: SyncMode, delayMs?: number): void
 
 在手动同步方式下，触发数据库同步。关于分布式数据服务的同步方式说明，请见[分布式数据服务概述](../../database/database-mdds-overview.md)。
+> **说明：** 
+>
+> 其中deviceIds通过调用[deviceManager.getTrustedDeviceListSync](js-apis-device-manager.md#gettrusteddevicelistsync)方法得到。deviceManager模块的接口均为系统接口，仅系统应用可用。
 
 **需要权限**： ohos.permission.DISTRIBUTED_DATASYNC。
 
@@ -3771,8 +3774,41 @@ sync(deviceIds: string[], mode: SyncMode, delayMs?: number): void
 **示例：**
 
 ```js
+import deviceManager from '@ohos.distributedHardware.deviceManager';
+
+let devManager;
 let kvStore;
-kvStore.sync(['deviceIds'], distributedData.SyncMode.PULL_ONLY, 1000);
+const KEY_TEST_SYNC_ELEMENT = 'key_test_sync';
+const VALUE_TEST_SYNC_ELEMENT = 'value-string-001';
+// create deviceManager
+deviceManager.createDeviceManager('bundleName', (err, value) => {
+  if (!err) {
+    devManager = value;
+    let deviceIds = [];
+    if (devManager != null) {
+      var devices = devManager.getTrustedDeviceListSync();
+      for (var i = 0; i < devices.length; i++) {
+        deviceIds[i] = devices[i].deviceId;
+      }
+    }
+    try {
+      kvStore.on('syncComplete', function (data) {
+        console.log('Sync dataChange');
+      });
+      kvStore.put(KEY_TEST_SYNC_ELEMENT + 'testSync101', VALUE_TEST_SYNC_ELEMENT, function (err, data) {
+        if (err != undefined) {
+          console.log("put err: " + JSON.stringify(err));
+          return;
+        }
+        console.log('Succeeded in putting data');
+        const mode = distributedData.SyncMode.PULL_ONLY;
+        kvStore.sync(deviceIds, mode, 1000);
+      });
+    } catch (e) {
+      console.log('Sync e' + e);
+    }
+  }
+});
 ```
 
 ### on('dataChange')<sup>8+</sup>
@@ -5156,22 +5192,41 @@ sync(deviceIds: string[], mode: SyncMode, delayMs?: number): void
 **示例：**
 
 ```js
+import deviceManager from '@ohos.distributedHardware.deviceManager';
+
+let devManager;
 let kvStore;
 const KEY_TEST_SYNC_ELEMENT = 'key_test_sync';
 const VALUE_TEST_SYNC_ELEMENT = 'value-string-001';
-try {
-    kvStore.on('syncComplete', function (data) {
+// create deviceManager
+deviceManager.createDeviceManager('bundleName', (err, value) => {
+  if (!err) {
+    devManager = value;
+    let deviceIds = [];
+    if (devManager != null) {
+      var devices = devManager.getTrustedDeviceListSync();
+      for (var i = 0; i < devices.length; i++) {
+        deviceIds[i] = devices[i].deviceId;
+      }
+    }
+    try {
+      kvStore.on('syncComplete', function (data) {
         console.log('Sync dataChange');
-    });
-    kvStore.put(KEY_TEST_SYNC_ELEMENT + 'testSync101', VALUE_TEST_SYNC_ELEMENT, function (err,data) {
-        console.log('Sync put success');
-        const devices = ['deviceList'];
+      });
+      kvStore.put(KEY_TEST_SYNC_ELEMENT + 'testSync101', VALUE_TEST_SYNC_ELEMENT, function (err, data) {
+        if (err != undefined) {
+          console.log("put err: " + JSON.stringify(err));
+          return;
+        }
+        console.log('Succeeded in putting data');
         const mode = distributedData.SyncMode.PULL_ONLY;
-        kvStore.sync(devices, mode);
-    });
-}catch(e) {
-    console.log('Sync e' + e);
-}
+        kvStore.sync(deviceIds, mode, 1000);
+      });
+    } catch (e) {
+      console.log('Sync e' + e);
+    }
+  }
+});
 ```
 
 ### on('dataChange')<sup>8+</sup>
diff --git a/zh-cn/application-dev/reference/apis/js-apis-distributedKVStore.md b/zh-cn/application-dev/reference/apis/js-apis-distributedKVStore.md
index 84206aabcfe16da05849f39ad6f308eda9db28b8..657c3b86f35c4dfe3d91a1fd3aeb3996923d520a 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-distributedKVStore.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-distributedKVStore.md
@@ -151,7 +151,7 @@ import distributedKVStore from '@ohos.data.distributedKVStore';
 | createIfMissing | boolean                         | 否  | 当数据库文件不存在时是否创建数据库，默认创建。<br>**系统能力：** SystemCapability.DistributedDataManager.KVStore.Core |
 | encrypt         | boolean                         | 否   | 设置数据库文件是否加密，默认不加密。<br>**系统能力：** SystemCapability.DistributedDataManager.KVStore.Core |
 | backup          | boolean                         | 否   | 设置数据库文件是否备份，默认备份。 <br>**系统能力：** SystemCapability.DistributedDataManager.KVStore.Core |
-| autoSync        | boolean                         | 否   | 设置数据库文件是否自动同步，默认不自动同步。<br>**系统能力：** SystemCapability.DistributedDataManager.KVStore.Core<br>**需要权限**： ohos.permission.DISTRIBUTED_DATASYNC |
+| autoSync        | boolean                         | 否   | 设置数据库文件是否自动同步。默认为false，即手动同步；设置为ture时，表示自动同步。<br>**系统能力：** SystemCapability.DistributedDataManager.KVStore.Core<br>**需要权限**： ohos.permission.DISTRIBUTED_DATASYNC |
 | kvStoreType     | [KVStoreType](#kvstoretype)     | 否   | 设置要创建的数据库类型，默认为多设备协同数据库。<br>**系统能力：** SystemCapability.DistributedDataManager.KVStore.Core |
 | securityLevel   | [SecurityLevel](#securitylevel) | 是   |设置数据库安全级别。<br>**系统能力：** SystemCapability.DistributedDataManager.KVStore.Core |
 | schema          | [Schema](#schema)               | 否   | 设置定义存储在数据库中的值，默认不使用Schema。<br>**系统能力：** SystemCapability.DistributedDataManager.KVStore.DistributedKVStore |
@@ -4485,6 +4485,9 @@ try {
 sync(deviceIds: string[], mode: SyncMode, delayMs?: number): void
 
 在手动同步方式下，触发数据库同步。关于分布式数据服务的同步方式说明，请见[分布式数据服务概述](../../database/database-mdds-overview.md)。
+> **说明：** 
+>
+> 其中deviceIds通过调用[deviceManager.getTrustedDeviceListSync](js-apis-device-manager.md#gettrusteddevicelistsync)方法得到。deviceManager模块的接口均为系统接口，仅系统应用可用。
 
 **需要权限**： ohos.permission.DISTRIBUTED_DATASYNC。
 
@@ -4510,26 +4513,41 @@ sync(deviceIds: string[], mode: SyncMode, delayMs?: number): void
 **示例：**
 
 ```js
+import deviceManager from '@ohos.distributedHardware.deviceManager';
+
+let devManager;
 let kvStore;
 const KEY_TEST_SYNC_ELEMENT = 'key_test_sync';
 const VALUE_TEST_SYNC_ELEMENT = 'value-string-001';
-try {
-    kvStore.on('syncComplete', function (data) {
+// create deviceManager
+deviceManager.createDeviceManager('bundleName', (err, value) => {
+  if (!err) {
+    devManager = value;
+    let deviceIds = [];
+    if (devManager != null) {
+      var devices = devManager.getTrustedDeviceListSync();
+      for (var i = 0; i < devices.length; i++) {
+        deviceIds[i] = devices[i].deviceId;
+      }
+    }
+    try {
+      kvStore.on('syncComplete', function (data) {
         console.log('Sync dataChange');
-    });
-    kvStore.put(KEY_TEST_SYNC_ELEMENT + 'testSync101', VALUE_TEST_SYNC_ELEMENT, function (err, data) {
+      });
+      kvStore.put(KEY_TEST_SYNC_ELEMENT + 'testSync101', VALUE_TEST_SYNC_ELEMENT, function (err, data) {
         if (err != undefined) {
-            console.error(`Fail to sync.code is ${err.code},message is ${err.message}`);
-            return;
+          console.error(`Fail to sync.code is ${err.code},message is ${err.message}`);
+          return;
         }
         console.log('Succeeded in putting data');
-        const devices = ['deviceList'];
         const mode = distributedKVStore.SyncMode.PULL_ONLY;
-        kvStore.sync(devices, mode, 1000);
-    });
-} catch (e) {
-    console.error(`Fail to sync.code is ${e.code},message is ${e.message}`);
-}
+        kvStore.sync(deviceIds, mode, 1000);
+      });
+    } catch (e) {
+      console.error(`Fail to sync.code is ${e.code},message is ${e.message}`);
+    }
+  }
+});
 ```
 
 ### sync
@@ -4537,6 +4555,9 @@ try {
 sync(deviceIds: string[], query: Query, mode: SyncMode, delayMs?: number): void
 
 在手动同步方式下，触发数据库同步，此方法为同步方法。关于分布式数据服务的同步方式说明，请见[分布式数据服务概述](../../database/database-mdds-overview.md)。
+> **说明：** 
+>
+> 其中deviceIds通过调用[deviceManager.getTrustedDeviceListSync](js-apis-device-manager.md#gettrusteddevicelistsync)方法得到。deviceManager模块的接口均为系统接口，仅系统应用可用。
 
 **需要权限**： ohos.permission.DISTRIBUTED_DATASYNC。
 
@@ -4563,29 +4584,44 @@ sync(deviceIds: string[], query: Query, mode: SyncMode, delayMs?: number): void
 **示例：**
 
 ```js
+import deviceManager from '@ohos.distributedHardware.deviceManager';
+
+let devManager;
 let kvStore;
 const KEY_TEST_SYNC_ELEMENT = 'key_test_sync';
 const VALUE_TEST_SYNC_ELEMENT = 'value-string-001';
-try {
-    kvStore.on('syncComplete', function (data) {
+// create deviceManager
+deviceManager.createDeviceManager('bundleName', (err, value) => {
+  if (!err) {
+    devManager = value;
+    let deviceIds = [];
+    if (devManager != null) {
+      var devices = devManager.getTrustedDeviceListSync();
+      for (var i = 0; i < devices.length; i++) {
+        deviceIds[i] = devices[i].deviceId;
+      }
+    }
+    try {
+      kvStore.on('syncComplete', function (data) {
         console.log('Sync dataChange');
-    });
-    kvStore.put(KEY_TEST_SYNC_ELEMENT + 'testSync101', VALUE_TEST_SYNC_ELEMENT, function (err, data) {
+      });
+      kvStore.put(KEY_TEST_SYNC_ELEMENT + 'testSync101', VALUE_TEST_SYNC_ELEMENT, function (err, data) {
         if (err != undefined) {
-            console.error(`Fail to sync.code is ${err.code},message is ${err.message}`);
-            return;
+          console.error(`Fail to sync.code is ${err.code},message is ${err.message}`);
+          return;
         }
         console.log('Succeeded in putting data');
-        const devices = ['deviceList'];
         const mode = distributedKVStore.SyncMode.PULL_ONLY;
         const query = new distributedKVStore.Query();
         query.prefixKey("batch_test");
         query.deviceId('localDeviceId');
-        kvStore.sync(devices, query, mode, 1000);
-    });
-} catch (e) {
-    console.error(`Fail to sync.code is ${e.code},message is ${e.message}`);
-}
+        kvStore.sync(deviceIds, query, mode, 1000);
+      });
+    } catch (e) {
+      console.error(`Fail to sync.code is ${e.code},message is ${e.message}`);
+    }
+  }
+});
 ```
 
 ### on('dataChange')