change1_16

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

zh-cn/application-dev/database/database-mdds-guidelines.md

@@ -72,13 +72,13 @@
    
     let context = null;
 
-    function grantPermission() {
     class EntryAbility  extends UIAbility  {
       onWindowStageCreate(windowStage) {
         let context = this.context;
       }
     }
 
+    function grantPermission() {
       let permissions = ['ohos.permission.DISTRIBUTED_DATASYNC'];
       context.requestPermissionsFromUser(permissions).then((data) => {
         console.log('success: ${data}');