change 1537

Signed-off-by: Nwangkai <wangkai424@huawei.com>

zh-cn/application-dev/reference/apis/js-apis-distributedKVStore.md

@@ -4513,10 +4513,24 @@ 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 {
+// 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');
       });
@@ -4530,9 +4544,11 @@ try {
         const mode = distributedKVStore.SyncMode.PULL_ONLY;
         kvStore.sync(devices, mode, 1000);
       });
-} catch (e) {
+    } catch (e) {
       console.error(`Fail to sync.code is ${e.code},message is ${e.message}`);
-}
+    }
+  }
+});
 ```
 
 ### sync
@@ -4569,10 +4585,24 @@ 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 {
+// 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');
       });
@@ -4589,9 +4619,11 @@ try {
         query.deviceId('localDeviceId');
         kvStore.sync(devices, query, mode, 1000);
       });
-} catch (e) {
+    } catch (e) {
       console.error(`Fail to sync.code is ${e.code},message is ${e.message}`);
-}
+    }
+  }
+});
 ```
 
 ### on('dataChange')