update js-apis-distributed-data.md

Signed-off-by: Nsiyuan.liu <siyuan.liu@unionman.com.cn>

zh-cn/application-dev/reference/apis/js-apis-distributed-data.md

@@ -72,28 +72,23 @@ FA模型下的示例：
 ```js
 import featureAbility from '@ohos.ability.featureAbility'
 let kvManager;
-export default class MyAbility {
-  onCreate() {
-    console.log("MyAbilityStage onCreate")
-    let context = featureAbility.getContext()
-    const kvManagerConfig = {
+let context = featureAbility.getContext()
+const kvManagerConfig = {
   context: context,
   bundleName: 'com.example.datamanagertest',
   userInfo: {
     userId: '0',
     userType: distributedData.UserType.SAME_USER_ID
   }
-    }
-    distributedData.createKVManager(kvManagerConfig, function (err, manager) {
+}
+distributedData.createKVManager(kvManagerConfig, function (err, manager) {
   if (err) {
     console.log("Failed to create KVManager: " + JSON.stringify(err));
     return;
   }
   console.log("Created KVManager");
   kvManager = manager;
-    });
-  }
-}
+});
 ```
 
 ## distributedData.createKVManager
@@ -148,26 +143,21 @@ FA模型下的示例：
 ```js
 import featureAbility from '@ohos.ability.featureAbility'
 let kvManager;
-export default class MyAbility {
-  onCreate() {
-    console.log("MyAbilityStage onCreate")
-    let context = featureAbility.getContext()
-    const kvManagerConfig = {
+let context = featureAbility.getContext()
+const kvManagerConfig = {
   context: context,
   bundleName: 'com.example.datamanagertest',
   userInfo: {
     userId: '0',
     userType: distributedData.UserType.SAME_USER_ID
   }
-    }
-    distributedData.createKVManager(kvManagerConfig).then((manager) => {
+}
+distributedData.createKVManager(kvManagerConfig).then((manager) => {
   console.log("Succeeded in creating KVManager");
   kvManager = manager;
-    }).catch((err) => {
+}).catch((err) => {
   console.log("Failed to create KVManager: " + JSON.stringify(err));
-    });
-  }
-}
+});
 ```
 
 ## KVManagerConfig