diff --git a/en/application-dev/ability/fa-formability.md b/en/application-dev/ability/fa-formability.md
index 49f2cf96d7d515fe60c9b8d85e793e7c9fbb9111..a39894a015af16fc254356927d4480b66d3b71e4 100644
--- a/en/application-dev/ability/fa-formability.md
+++ b/en/application-dev/ability/fa-formability.md
@@ -231,7 +231,7 @@ You should override **onDestroy** to delete widget data.
        }
 ```
 
-For details about the persistence method, see [Lightweight Data Store Development](../database/database-preference-guidelines.md).
+For details about the persistence method, see [Lightweight Data Store Development](../database/database-storage-guidelines.md).
 
 Note that the **Want** passed by the widget host to the widget provider contains a temporary flag, indicating whether the requested widget is a temporary one.
 
diff --git a/en/application-dev/application-dev-website.md b/en/application-dev/application-dev-website.md
index 940eebed02bc164d876e87a310cd9c8bc509f95f..dc8ef359e3041aeaaaf0321704bf675611c3eb96 100644
--- a/en/application-dev/application-dev-website.md
+++ b/en/application-dev/application-dev-website.md
@@ -2,16 +2,8 @@
 
 - [Application Development Overview](application-dev-guide.md)
 - Quick Start
-  - Getting Started
-    - [Preparations](quick-start/start-overview.md)
-    - [Getting Started with eTS in the Traditional Coding Approach](quick-start/start-with-ets.md)
-    - [Getting Started with eTS in the Low-Code Approach](quick-start/start-with-ets-low-code.md)
-    - [Getting Started with JavaScript in the Traditional Coding Approach](quick-start/start-with-js.md)
-    - [Getting Started with JavaScript in the Low-Code Approach](quick-start/start-with-js-low-code.md)
-  - Development Fundamentals
-    - [Directory Structure](quick-start/package-structure.md)
-    - [Resource File Categories](quick-start/basic-resource-file-categories.md)
-    - [SysCap](quick-start/syscap.md)
+  - [Directory Structure](quick-start/package-structure.md)
+  - [Resource File Categories](quick-start/basic-resource-file-categories.md)
 - Development
   - Ability Development
     - FA Model
@@ -20,12 +12,10 @@
       - [Service Ability Development](ability/fa-serviceability.md)
       - [Data Ability Development](ability/fa-dataability.md)
       - [FA Widget Development](ability/fa-formability.md)
-      - Other
-        - [WantAgent Development](wantagent.md)
-        - [Ability Assistant Usage](ability-assistant-guidelines.md)
-        - [Test Framework Usage](ability-delegator.md)
+
+    - Other
+      - [Ability Assistant Usage](ability/ability-assistant-guidelines.md)
   - UI
-    - [ArkUI Overview](ui/arkui-overview.md)
     - JavaScript-based Web-Like Development Paradigm
       - [Overview](ui/ui-js-overview.md)
       - Framework
@@ -53,40 +43,18 @@
         - [Defining Page Routes](ui/ui-js-building-ui-routes.md)
       - Common Component Development Guidelines
         - Container Components
-          - [List Development](ui/ui-js-components-list.md)
-          - [Dialog Development](ui/ui-js-components-dialog.md)
-          - [Form Development](ui/ui-js-components-form.md)
-          - [Stepper Development](ui/ui-js-components-stepper.md)
-          - [Tabs Development](ui/ui-js-component-tabs.md)
-          - [Swiper Development](ui/ui-js-components-swiper.md)
+          - [List](ui/ui-js-components-list.md)
+          - [Dialog](ui/ui-js-components-dialog.md)
+          - [Form](ui/ui-js-components-form.md)
+          - [Stepper](ui/ui-js-components-stepper.md)
+          - [Tabs](ui/ui-js-component-tabs.md)
         - Basic Components
-          - [Text Development](ui/ui-js-components-text.md)
-          - [Input Development](ui/ui-js-components-input.md)
-          - [Button Development](ui/ui-js-components-button.md)
-          - [Picker Development](ui/ui-js-components-picker.md)
-          - [Image Development](ui/ui-js-components-images.md)
-          - [Image-animator Development](ui/ui-js-components-image-animator.md)
-          - [Rating Development](ui/ui-js-components-rating.md)
-          - [Slider Development](ui/ui-js-components-slider.md)
-          - [Chart Development](ui/ui-js-components-chart.md)
-          - [Switch Development](ui/ui-js-components-switch.md)
-          - [Toolbar Development](ui/ui-js-components-toolbar.md)
-          - [Menu Development](ui/ui-js-components-menu.md)
-          - [Marquee Development](ui/ui-js-components-marquee.md)
-          - [Qrcode Development](ui/ui-js-components-qrcode.md)
-          - [Search Development](ui/ui-js-components-search.md)
-        - Canvas Development
-          - [Canvas](ui/ui-js-components-canvas.md)
-          - [CanvasRenderingContext2D](ui/ui-js-components-canvasrenderingcontext2d.md)
-          - [Path2D](ui/ui-js-components-path2d.md)
-          - [OffscreenCanvas](ui/ui-js-components-offscreencanvas.md)
-        - [Grid-container Development](ui/ui-js-components-calendar.md)
-        - Svg
-          - [Basics](ui/ui-js-components-svg-overview.md)
-          - [Graph Drawing](ui/ui-js-components-svg-graphics.md)
-          - [Path Drawing](ui/ui-js-components-svg-path.md)
-          - [Text Drawing](ui/ui-js-components-svg-text.md) 
-      - Animation Development Guidelines
+          - [Text](ui/ui-js-components-text.md)
+          - [Input](ui/ui-js-components-input.md)
+          - [Button](ui/ui-js-components-button.md)
+          - [Picker](ui/ui-js-components-picker.md)
+          - [Image](ui/ui-js-components-images.md)
+       - Animation Development Guidelines
         - CSS Animation
           - [Defining Attribute Style Animations](ui/ui-js-animate-attribute-style.md)
           - [Defining Animations with the transform Attribute](ui/ui-js-animate-transform.md)
@@ -152,13 +120,6 @@
           - [Custom Component Lifecycle Callbacks](ui/ts-custom-component-lifecycle-callbacks.md)
           - [Example: Component Creation and Re-Initialization](ui/ts-component-creation-re-initialization.md)
         - [Syntactic Sugar](ui/ts-syntactic-sugar.md)
-      - Common Component Development Guidelines
-        - [Button](ui/ui-ts-basic-components-button.md)
-        - [Web](ui/ui-ts-components-web.md)
-      - Common Layout Development Guidelines
-        - [Flex Layout](ui/ui-ts-layout-flex.md)
-        - [Grid Layout](ui/ui-ts-layout-grid-container.md)
-        - [Media Query](ui/ui-ts-layout-mediaquery.md)
       - Experiencing the Declarative UI
         - [Creating a Declarative UI Project](ui/ui-ts-creating-project.md)
         - [Getting to Know Components](ui/ui-ts-components.md)
@@ -197,14 +158,8 @@
       - User Authentication
         - [User Authentication Overview](security/userauth-overview.md)
         - [User Authentication Development](security/userauth-guidelines.md)
-      - Key Management
-        - [HUKS Overview](security/huks-overview.md)
-        - [HUKS Development](security/huks-guidelines.md)
-      - hapsigntool  
-        - [hapsigntool Guide](security/hapsigntool-guidelines.md)
-      - Access Control  
-        - [Access Control Overview](security/accesstoken-overview.md)
-        - [Access Control Development](security/accesstoken-guidelines.md)
+      - hapsigner
+        - [hapsigner Guide](security/hapsigntool-guidelines.md)
     - Connectivity
       - IPC & RPC
         - [IPC & RPC Overview](connectivity/ipc-rpc-overview.md)
@@ -218,11 +173,8 @@
         - [RDB Overview](database/database-relational-overview.md)
         - [RDB Development](database/database-relational-guidelines.md)
       - Lightweight Data Store
-        - [Lightweight Data Store Overview](database/database-preference-overview.md)
-        - [Lightweight Data Store Development](database/database-preference-guidelines.md)
-      - Distributed Data Object
-        - [Distributed Data Object Overview](database/database-distributedobject-overview.md)
-        - [Distributed Data Object Development](database/database-distributedobject-guidelines.md)
+        - [Lightweight Data Store Overview](database/database-storage-overview.md)
+        - [Lightweight Data Store Development](database/database-storage-guidelines.md)
     - Agent-Powered Scheduled Reminders
       - [Overview](background-agent-scheduled-reminder/background-agent-scheduled-reminder-overview.md)
       - [Development Guidelines](background-agent-scheduled-reminder/background-agent-scheduled-reminder-guide.md)
@@ -516,31 +468,35 @@
   - APIs
     - Ability Framework
 
-      - [@ohos.ability.dataUriUtils](reference/js-apis-DataUriUtils.md)
-      - [@ohos.ability.errorCode](reference/js-apis-ability-errorCode.md)
-      - [@ohos.ability.wantConstant](reference/js-apis-ability-wantConstant.md)
-      - [@ohos.application.abilityDelegatorRegistry](reference/js-apis-abilityDelegatorRegistry.md)
-      - [@ohos.application.appManager](reference/js-apis-appmanager.md)
-      - [@ohos.application.Configuration](reference/js-apis-configuration.md)
-      - [@ohos.application.ConfigurationConstant](reference/js-apis-configurationconstant.md)
-      - [@ohos.ability.featureAbility](reference/js-apis-featureAbility.md)
-      - [@ohos.application.formBindingData](reference/js-apis-formbindingdata.md)
-      - [@ohos.application.formError](reference/js-apis-formerror.md)
-      - [@ohos.application.formHost](reference/js-apis-formhost.md)
-      - [@ohos.application.formInfo](reference/js-apis-formInfo.md)
-      - [@ohos.application.missionManager](reference/js-apis-missionManager.md)
-      - [@ohos.application.formProvider](reference/js-apis-formprovider.md)
-      - [@ohos.ability.particleAbility](reference/js-apis-particleAbility.md)
-      - [@ohos.application.Want](reference/js-apis-application-Want.md)
-      - [@ohos.wantAgent](reference/js-apis-wantAgent.md)
-      - [dataAbilityHelper](reference/js-apis-dataAbilityHelper.md)
-      - [context](reference/js-apis-Context.md)
-      - [abilityDelegator](reference/js-apis-application-abilityDelegator.md)
-      - [abilityDelegatorArgs](reference/js-apis-application-abilityDelegatorArgs.md)
-      - [AbilityRunningInfo](reference/js-apis-abilityrunninginfo.md)
-      - [MissionSnapshot](reference/js-apis-application-MissionSnapshot.md)
-      - [ProcessRunningInfo](reference/js-apis-processrunninginfo.md)
-      - [shellCmdResult](reference/js-apis-application-shellCmdResult.md)
+      - [@ohos.ability.dataUriUtils](reference/apis/js-apis-DataUriUtils.md)
+      - [@ohos.application.Ability](reference/apis/js-apis-application-ability.md)
+      - [@ohos.application.AbilityConstant](reference/apis/js-apis-application-abilityConstant.md)
+      - [@ohos.application.AbilityStage ](reference/apis/js-apis-application-abilitystage.md)
+      - [@ohos.application.appManager](reference/apis/js-apis-appmanager.md)
+      - [@ohos.application.Configuration](reference/apis/js-apis-configuration.md)
+      - [@ohos.application.ConfigurationConstant](reference/apis/js-apis-configurationconstant.md)
+      - [@ohos.ability.featureAbility](reference/apis/js-apis-featureAbility.md)
+      - [@ohos.application.formBindingData](reference/apis/js-apis-formbindingdata.md)
+      - [@ohos.application.FormExtension](reference/apis/js-apis-formextension.md)
+      - [@ohos.application.missionManager](reference/apis/js-apis-missionManager.md)
+      - [@ohos.application.formProvider](reference/apis/js-apis-formprovider.md)
+      - [@ohos.ability.particleAbility](reference/apis/js-apis-particleAbility.md)
+      - [@ohos.application.ServiceExtensionAbility](reference/apis/js-apis-service-extension-ability.md)
+      - [@ohos.application.uriPermissionManager](reference/apis/js-apis-uripermissionmanager.md)
+      - [@ohos.wantAgent](reference/apis/js-apis-wantAgent.md)
+      - [dataAbilityHelper](reference/apis/js-apis-dataAbilityHelper.md)
+      - [context](reference/apis/js-apis-Context.md)
+      - [AbilityContext](reference/apis/js-apis-ability-context.md)
+      - [AbilityRunningInfo](reference/apis/js-apis-abilityrunninginfo.md)
+      - [AbilityStageContext](reference/apis/js-apis-abilitystagecontext.md)
+      - [Context](reference/apis/js-apis-application-context.md)
+      - [ExtensionContext](reference/apis/js-apis-extension-context.md)
+      - [ExtensionRunningInfo](reference/apis/js-apis-extensionrunninginfo.md)
+      - [FormExtensionContext](reference/apis/js-apis-formextensioncontext.md)
+      - [MissionSnapshot](reference/apis/js-apis-application-MissionSnapshot.md)
+      - [PermissionRequestResult](reference/apis/js-apis-permissionrequestresult.md)
+      - [ProcessRunningInfo](reference/apis/js-apis-processrunninginfo.md)
+      - [ServiceExtensionContext](reference/apis/js-apis-service-extension-context.md) 
 
     - Common Event and Notification
 
@@ -548,6 +504,7 @@
       - [@ohos.events.emitter](reference/apis/js-apis-emitter.md)
       - [@ohos.notification](reference/apis/js-apis-notification.md)
       - [@ohos.reminderAgent](reference/apis/js-apis-reminderAgent.md)
+      - [EventHub](reference/apis/js-apis-eventhub.md)
 
     - Bundle Management
 
@@ -558,9 +515,6 @@
     - UI Page
 
       - [@ohos.animator](reference/apis/js-apis-animator.md)
-      - [@ohos.mediaquery](reference/js-apis-mediaquery.md)
-      - [@ohos.prompt](reference/js-apis-prompt.md)
-      - [@ohos.router](reference/js-apis-router.md)
 
     - Graphics
 
@@ -592,10 +546,8 @@
 
     - Security
 
-      - [@ohos.abilityAccessCtrl](reference/js-apis-abilityAccessCtrl.md)
-      - [@ohos.security.huks ](reference/js-apis-huks.md)
-      - [@ohos.userIAM.userAuth ](reference/js-apis-useriam-userauth.md)
-      - [@system.cipher](reference/js-apis-system-cipher.md)
+      - [@ohos.abilityAccessCtrl](reference/apis/js-apis-abilityAccessCtrl.md)
+      - [@ohos.userIAM.userAuth ](reference/apis/js-apis-useriam-userauth.md)
 
     - Data Management
 
@@ -603,7 +555,7 @@
       - [@ohos.data.distributedData](reference/apis/js-apis-distributed-data.md)
       - [@ohos.data.distributedDataObject](reference/apis/js-apis-data-distributedobject.md)
       - [@ohos.data.rdb](reference/apis/js-apis-data-rdb.md)
-      - [@ohos.data.storage](reference/js-apis-data-storage.md)
+	  - [@ohos.data.storage](reference/apis/js-apis-data-storage.md)
       - [@ohos.settings](reference/apis/js-apis-settings.md)
       - [resultSet](reference/apis/js-apis-data-resultset.md)
 
@@ -636,7 +588,6 @@
 
       - [@ohos.bluetooth](reference/apis/js-apis-bluetooth.md)
       - [@ohos.rpc](reference/apis/js-apis-rpc.md)
-      - [@ohos.connectedTag](reference/js-apis-connectedTag.md)
       - [@ohos.wifi](reference/apis/js-apis-wifi.md)
       - [@ohos.wifiext](reference/apis/js-apis-wifiext.md)
 
@@ -650,8 +601,6 @@
       - [@ohos.hilog](reference/apis/js-apis-hilog.md)
       - [@ohos.hiTraceChain](reference/apis/js-apis-hitracechain.md)
       - [@ohos.hiTraceMeter](reference/apis/js-apis-hitracemeter.md)
-      - [@ohos.inputMethod](reference/js-apis-inputmethod.md)
-      - [@ohos.inputMethodEngine](reference/js-apis-inputmethodengine.md)
       - [@ohos.pasteboard](reference/apis/js-apis-pasteboard.md)
       - [@ohos.screenLock](reference/apis/js-apis-screen-lock.md)
       - [@ohos.systemTime](reference/apis/js-apis-system-time.md)
@@ -667,7 +616,6 @@
       - [@ohos.geolocation](reference/apis/js-apis-geolocation.md)
       - [@ohos.multimodalInput.inputConsumer](reference/apis/js-apis-inputconsumer.md)
       - [@ohos.multimodalInput.inputDevice](reference/apis/js-apis-inputdevice.md)
-      - [@ohos.multimodalInput.inputEventClient](reference/js-apis-inputeventclient.md)
       - [@ohos.multimodalInput.inputMonitor](reference/apis/js-apis-inputmonitor.md)
       - [@ohos.power](reference/apis/js-apis-power.md)
       - [@ohos.runningLock](reference/apis/js-apis-runninglock.md)
@@ -708,29 +656,10 @@
       - [@ohos.worker](reference/apis/js-apis-worker.md)
       - [@ohos.xml](reference/apis/js-apis-xml.md)
 
-    - Test
-
-      - [@ohos.application.testRunner](reference/js-apis-testRunner.md)
-      - [@ohos.uitest](reference/js-apis-uitest.md)
-
     - APIs No Longer Maintained
 
-      - [@ohos.bytrace](reference/js-apis-bytrace.md)
-      - [@system.app](reference/js-apis-system-app.md)
-      - [@system.battery](reference/js-apis-system-battery.md)
-      - [@system.brightness](reference/js-apis-system-brightness.md)
-      - [@system.configuration](reference/js-apis-system-configuration.md)
-      - [@system.device](reference/js-apis-system-device.md)
-      - [@system.fetch](reference/js-apis-system-fetch.md)
-      - [@system.file](reference/js-apis-system-file.md)
-      - [@system.geolocation](reference/js-apis-system-location.md)
-      - [@system.mediaquery](reference/js-apis-system-mediaquery.md)
-      - [@system.network](reference/js-apis-system-network.md)
-      - [@system.package](reference/js-apis-system-package.md)
-      - [@system.prompt](reference/js-apis-system-prompt.md)
-      - [@system.request](reference/js-apis-system-request.md)
-      - [@system.router](reference/js-apis-system-router.md)
-      - [@system.sensor](reference/js-apis-system-sensor.md)
-      - [@system.storage](reference/js-apis-system-storage.md)
-      - [@system.vibrator](reference/js-apis-system-vibrate.md)
-      - [console](reference/js-apis-logs.md)
\ No newline at end of file
+      - [@ohos.bytrace](reference/apis/js-apis-bytrace.md)
+      - [@ohos.data.storage](reference/apis/js-apis-data-storage.md)
+      - [@system.sensor](reference/apis/js-apis-system-sensor.md)
+      - [@system.vibrator](reference/apis/js-apis-system-vibrate.md)
+      - [console](reference/apis/js-apis-logs.md)
\ No newline at end of file
diff --git a/en/application-dev/database/Readme-EN.md b/en/application-dev/database/Readme-EN.md
index 2be9b2dc5a8f9d6c714cc81e695ade8ad11f23ab..8e1963724bf595f9190e854581edfedbb701471f 100644
--- a/en/application-dev/database/Readme-EN.md
+++ b/en/application-dev/database/Readme-EN.md
@@ -7,8 +7,8 @@
   - [RDB Overview](database-relational-overview.md)
   - [RDB Development](database-relational-guidelines.md)
 - Lightweight Data Store
-  - [Lightweight Data Store Overview](database-preference-overview.md)
-  - [Lightweight Data Store Development](database-preference-guidelines.md)
+  - [Lightweight Data Store Overview](database-storage-overview.md)
+  - [Lightweight Data Store Development](database-storage-guidelines.md)
 - Distributed Data Object
   - [Distributed Data Object Overview](database-distributedobject-overview.md)
   - [Distributed Data Object Development](database-distributedobject-guidelines.md)
diff --git a/en/application-dev/database/database-preference-guidelines.md b/en/application-dev/database/database-storage-guidelines.md
similarity index 100%
rename from en/application-dev/database/database-preference-guidelines.md
rename to en/application-dev/database/database-storage-guidelines.md
diff --git a/en/application-dev/database/database-preference-overview.md b/en/application-dev/database/database-storage-overview.md
similarity index 100%
rename from en/application-dev/database/database-preference-overview.md
rename to en/application-dev/database/database-storage-overview.md
diff --git a/en/application-dev/reference/apis/js-apis-filemanager.md b/en/application-dev/reference/apis/js-apis-filemanager.md
index c3b738b12c4e0b3f1ea674feb3b5e25304ba9f9d..a100d8b02766e2e022c4e961cb5cb938f0ce18ea 100644
--- a/en/application-dev/reference/apis/js-apis-filemanager.md
+++ b/en/application-dev/reference/apis/js-apis-filemanager.md
@@ -3,6 +3,7 @@
 >
 >- The initial APIs of this module are supported since API version 8. Newly added APIs will be marked with a superscript to indicate their earliest API version.
 >- The APIs of this module are system APIs and cannot be called by third-party applications. Currently, these APIs can be called only by **filepicker**.
+
 ## Modules to Import
 
 ```js
@@ -20,7 +21,7 @@ Obtains information about the files in the first-level directory in asynchronous
 - Parameters
   | Name| Type| Mandatory| Description|
   | --- | --- | --- | -- |
-  | dev | [DevInfo](#devinfo) | No| Device name. The default value is **local**, which is the only value supported.|
+  | options | Object | No| The options are as follows:<br>- &nbsp;**dev**: Device type. For details, see [DevInfo](#devinfo). It is **dev = {name: "local"}** by default if not specified. Currently, only 'local' is supported.|
 
 - Return value
 
@@ -30,17 +31,17 @@ Obtains information about the files in the first-level directory in asynchronous
 
 - Example
 
-```js
-filemanager.getRoot().then((fileInfo) => {
-    if(Array.isArray(fileInfo)) {
-        for (var i = 0; i < fileInfo.length; i++) {
-            console.log(JSON.Stringify(fileInfo))
-        }
-    }
-}).catch((err) => {
-    console.log(err)
-});
-```
+  ```js
+  filemanager.getRoot().then((fileInfo) => {
+      if(Array.isArray(fileInfo)) {
+          for (var i = 0; i < fileInfo.length; i++) {
+              console.log(JSON.Stringify(fileInfo))
+          }
+      }
+  }).catch((err) => {
+      console.log(err)
+  });
+  ```
 
 ## filemanager.getRoot
 
@@ -54,20 +55,20 @@ Obtains information about the files in the first-level directory in asynchronous
 
   | Name  | Type                     | Mandatory| Description                         |
   | -------- | ------------------------- | ---- | ----------------------------- |
-  | dev      | [DevInfo](#devinfo)              | No  | Device name. The default value is **local**, which is the only value supported.|
+  | options | Object | No| The options are as follows:<br>- &nbsp;**dev**: Device type. For details, see [DevInfo](#devinfo). It is **dev = {name: "local"}** by default if not specified. Currently, only 'local' is supported.|
   | callback | AsyncCallback&lt;[FileInfo](#fileinfo)[]&gt; | Yes  | Callback invoked to return the file information obtained. |
 
 - Example
 
-```js
-filemanager.getRoot((err, fileInfo) => {
-    if(Array.isArray(fileInfo)) {
-        for (var i = 0; i < fileInfo.length; i++) {
-            console.log(JSON.Stringify(fileInfo))
-        }
-    }
-})
-```
+  ```js
+  filemanager.getRoot((err, fileInfo) => {
+      if(Array.isArray(fileInfo)) {
+          for (var i = 0; i < fileInfo.length; i++) {
+              console.log(JSON.Stringify(fileInfo))
+          }
+      }
+  });
+  ```
 
 ## filemanager.listFile
 
@@ -80,12 +81,10 @@ Obtains information about the files in the second-level directory in asynchronou
 - Parameters
   | Name| Type| Mandatory| Description|
   | --- | --- | --- | -- |
-  | type | string | Yes| Type of the files to query. The file type can be **file**, **image**, **audio**, or **video**.|
   | path | string | Yes| URI of the directory to query.|
-  | dev | [DevInfo](#devinfo) | Yes| Device name. The default value is **local**, which is the only value supported.|
-  | offset | number | No| Start position from which the files are to query.|
-  | count | number | No| Number of files to query.|
-
+  | type | string | Yes| Type of the files to query. The file type can be **file**, **image**, **audio**, or **video**.|
+  | options | Object | No| The options are as follows:<br>- &nbsp;**dev**: Device type. For details, see [DevInfo](#devinfo). It is **dev = {name: "local"}** by default if not specified. Currently, only 'local' is supported.<br>- &nbsp;**offset**: position to start the query. The value is a number.<br>- &nbsp;**count**: number of files to query.|
+  
 - Return value
 
   | Type| Description|
@@ -94,26 +93,29 @@ Obtains information about the files in the second-level directory in asynchronou
 
 - Error
   | Error Info| Error Code|Description|
-  | --       | ---    | -- |
-  |No such file or directory | 2      | The directory or file of the specified URI does not exist.|
-  |No such process | 3 | Failed to obtain the FMS service.|
-  |Not a directory | 20 | The object specified by the URI is not a directory.|
+  | -- | --- | -- |
+  | No such file or directory | 2      | The directory or file of the specified URI does not exist.|
+  | No such process | 3 | Failed to obtain the FMS service.|
+  | Not a directory | 20 | The object specified by the URI is not a directory.|
+
+- Example
+
+  ```js
+  // Obtain all files in the directory.
+  // Call listFile() and getRoot() to obtain file URIs.
+  let media_path = file.uri
+  filemanager.listFile(media_path, "file")
+  .then((fileInfo) => {
+      if(Array.isArray(fileInfo)) {
+          for (var i = 0; i < fileInfo.length; i++) {
+              console.log(JSON.Stringify(fileInfo))
+          }
+      }
+  }).catch((err) => {
+      console.log(err)
+  });
+  ```
 
-```js
-// Obtain all files in the directory.
-// Call listFile() and getRoot() to obtain file URIs.
-let media_path = file.uri
-filemanager.listFile(media_path, "file")
-.then((fileInfo) => {
-    if(Array.isArray(fileInfo)) {
-        for (var i = 0; i < fileInfo.length; i++) {
-            console.log(JSON.Stringify(fileInfo))
-        }
-    }
-}).catch((err) => {
-    console.log(err)
-})
-```
 ## filemanager.listFile
 
 listFile(path : string, type : string, options? : {dev? : DevInfo, offset? : number, count? : number}, callback : AsyncCallback&lt;FileInfo[]&gt;) : void
@@ -126,35 +128,35 @@ Obtains information about the files in the second-level directory in asynchronou
 
   | Name  | Type                     | Mandatory| Description                                                        |
   | -------- | ------------------------- | ---- | ------------------------------------------------------------ |
-  | type     | string                    | Yes  | Type of the files to query. The file type can be **file**, **image**, **audio**, or **video**.|
   | path     | string                    | Yes  | URI of the directory to query.                                               |
-  | dev | [DevInfo](#devinfo) | No| Device name. The default value is **local**, which is the only value supported.|
-  | offset | number | No| Start position from which the files are to query.|
-  | count | number | No| Number of files to query.|
+  | type     | string                    | Yes  | Type of the files to query. The file type can be **file**, **image**, **audio**, or **video**.|
+  | options | Object | No| The options are as follows:<br>- &nbsp;**dev**: Device type. For details, see [DevInfo](#devinfo). It is **dev = {name: "local"}** by default if not specified. Currently, only 'local' is supported.<br>- &nbsp;**offset**: position to start the query. The value is a number.<br>- &nbsp;**count**: number of files to query.|
   | callback | AsyncCallback&lt;[FileInfo](#fileinfo)[]&gt; | Yes  | Callback invoked to return the file information obtained.                                |
 - Error
 
   | Error Info                 | Error Code| Description                     |
   | ------------------------- | ------ | ------------------------- |
-  |No such file or directory  | 2      | The directory or file of the specified URI does not exist.|
-  |No such process            | 3      | Failed to obtain the FMS service.          |
-  |Not a directory            | 20     | The object specified by the URI is not a directory.|
+  | No such file or directory | 2      | The directory or file of the specified URI does not exist.|
+  | No such process           | 3      | Failed to obtain the FMS service.          |
+  | Not a directory           | 20     | The object specified by the URI is not a directory.|
 
-```js
-// Call listFile() and getRoot() to obtain the file UIRs.
-let media_path = file.uri
-filemanager.listFile(media_path, "file", (err, fileInfo) => {
-    if(Array.isArray(fileInfo)) {
-        for (var i = 0; i < fileInfo.length; i++) {
-            console.log(JSON.Stringify(fileInfo))
-        }
-    }
-})
-```
+- Example
+
+  ```js
+  // Call listFile() and getRoot() to obtain file URIs.
+  let media_path = file.uri
+  filemanager.listFile(media_path, "file", (err, fileInfo) => {
+      if(Array.isArray(fileInfo)) {
+          for (var i = 0; i < fileInfo.length; i++) {
+              console.log(JSON.Stringify(fileInfo))
+          }
+      }
+  });
+  ```
 
 ## filemanager.createFile
 
-filemanager.createFile(path : string, filename : string, options? : {dev? : DevInfo})  :   promise&lt;string&gt;
+filemanager.createFile(path : string, filename : string, options? : {dev? : DevInfo})  :   Promise&lt;string&gt;
 
 Creates a file in the specified path in asynchronous mode. This method uses a promise to return the result.
 
@@ -165,7 +167,7 @@ Creates a file in the specified path in asynchronous mode. This method uses a pr
   | --- | --- | --- | -- |
   | filename | string | Yes| Name of the file to create.|
   | path | string | Yes| URI of the file to create.|
-  | dev | [DevInfo](#devinfo) | No| Device name. The default value is **local**, which is the only value supported.|
+  | options | Object | No| The options are as follows:<br>- &nbsp;**dev**: Device type. For details, see [DevInfo](#devinfo). It is **dev = {name: "local"}** by default if not specified. Currently, only 'local' is supported.|
 
 - Return value
 
@@ -181,18 +183,20 @@ Creates a file in the specified path in asynchronous mode. This method uses a pr
   | No such process | 3 | Failed to obtain the FMS service.|
   | Not a directory | 20 | The object specified by the URI is not a directory.|
 
-```js
-// Create a file.
-let media_path = file.uri // Obtain the file URI using listFile() and getRoot().
-let name = "xxx.jpg" // File to be saved.
-filemanager.createFile(media_path, name)
-.then((uri) => {
-// The URI of the file created is returned.
-})
-.catch((err) => {
-    console.log(err)
-})
-```
+- Example
+
+  ```js
+  // Create a file.
+  let media_path = file.uri // Obtain the file URI using listFile() and getRoot().
+  let name = "xxx.jpg" // File to be saved.
+  filemanager.createFile(media_path, name)
+  .then((uri) => {
+  // The URI of the file created is returned.
+  })
+  .catch((err) => {
+      console.log(err)
+  });
+  ```
 
 ## filemanager.createFile
 
@@ -208,7 +212,7 @@ Creates a file in the specified path in asynchronous mode. This method uses a ca
   | -------- | ------------------------- | ---- | ----------------------------- |
   | filename | string                    | Yes  | Name of the file to create.               |
   | path     | string                    | Yes  | URI of the file to create.            |
-  | dev | [DevInfo](#devinfo) | No| Device name. The default value is **local**, which is the only value supported.|
+  | options | Object | No| The options are as follows:<br>- &nbsp;**dev**: Device type. For details, see [DevInfo](#devinfo). It is **dev = {name: "local"}** by default if not specified. Currently, only 'local' is supported.|
   | callback | AsyncCallback&lt;[FileInfo](#fileinfo)[]&gt; | Yes  | Callback invoked to return the file information obtained. |
 
 - Error
@@ -220,16 +224,18 @@ Creates a file in the specified path in asynchronous mode. This method uses a ca
   | No such process           | 3      | Failed to obtain the FMS service.          |
   | Not a directory           | 20     | The object specified by the URI is not a directory.|
 
-```js
-// Create a file.
-// Call listFile() and getRoot() to obtain the file URI.
-let media_path = file.uri
-// File to be saved.
-let name = "xxx.jpg"
-filemanager.createFile(media_path, name, (err, uri) => {
-// The URI of the file created is returned.
-})
-```
+- Example
+
+  ```js
+  // Create a file.
+  // Call listFile() and getRoot() to obtain the file URI.
+  let media_path = file.uri
+  // File to be saved.
+  let name = "xxx.jpg"
+  filemanager.createFile(media_path, name, (err, uri) => {
+  // The URI of the file created is returned.
+  });
+  ```
 
 ## FileInfo
 Defines the file information returned by **getRoot()** or **listFile()**.
@@ -248,12 +254,13 @@ Defines the file information returned by **getRoot()** or **listFile()**.
 | modifiedTime | number | Yes| No| Time when the file was modified.|
 
 ## DevInfo
+
 Defines the device type.
 
 **System capability**: SystemCapability.FileManagement.FileManagerService
 
 ### Attributes
 
-  | Name| Type| Readable| Writable| Description|
-  | --- | -- | -- | -- | -- |
-  | name | string | Yes| Yes| Device name.|
+| Name| Type  | Readable| Writable| Description    |
+| ------ | ------ | ---- | ---- | -------- |
+| name   | string | Yes  | Yes  | Device name.|
diff --git a/en/application-dev/reference/apis/js-apis-huks.md b/en/application-dev/reference/apis/js-apis-huks.md
index 804832a1d404dffa132b55aded09528367869b7c..3d8e138fd13e472bc44da7d892852173f594bedd 100644
--- a/en/application-dev/reference/apis/js-apis-huks.md
+++ b/en/application-dev/reference/apis/js-apis-huks.md
@@ -924,7 +924,7 @@ Updates a key. This method uses an asynchronous callback to return the result.
 | handle | number           | Yes  | Handle of the **Update** operation.|
 | token | Uint8Array | No| Token of the **Update** operation.|
 | options  | [HuksOptions](#huksoptions) | Yes  | Parameter set of the **Update** operation.|
-| callback | AsyncCallback\<[HksResult](#hksresult)> | Yes| Callback used to return the operation result.|
+| callback | AsyncCallback\<[HuksResult](#huksresult)> | Yes| Callback used to return the operation result.|
 
 **Example**
 
diff --git a/en/application-dev/reference/apis/js-apis-system-bluetooth.md b/en/application-dev/reference/apis/js-apis-system-bluetooth.md
new file mode 100644
index 0000000000000000000000000000000000000000..b952a91eabffa710b5f622acb54a84a9536ec297
--- /dev/null
+++ b/en/application-dev/reference/apis/js-apis-system-bluetooth.md
@@ -0,0 +1,169 @@
+# Bluetooth
+
+
+> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**<br/>
+>
+> - The APIs of this module are no longer maintained since API version 7. You are advised to use [`@ohos.bluetooth`](js-apis-bluetooth.md).
+>
+> - The initial APIs of this module are supported since API version 6. Newly added APIs will be marked with a superscript to indicate their earliest API version.
+
+
+## Modules to Import
+
+
+```
+import bluetooth from '@system.bluetooth';
+```
+
+
+## bluetooth.startBLEScan(OBJECT)
+
+Scans for Bluetooth Low Energy (BLE) devices nearby. This operation consumes system resources. Call [bluetooth.stopBLEScan](#bluetoothstopblescanobject) to stop the scan after a BLE device is detected and connected.
+
+**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH and ohos.permission.LOCATION
+
+**System capability**: SystemCapability.Communication.Bluetooth.Lite
+
+**Parameters**
+**Table 1** StartBLEScanOptions
+
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| interval | number | No| Interval for reporting device information, in milliseconds. The default value is **0**, which means to report the detected device immediately and report other information at the given interval.|
+| success | Function | No| Called when the operation is successful.|
+| fail | Function | No| Called when the operation fails.|
+| complete | Function | No| Called when the execution is complete.|
+
+**Example**
+
+  ```
+  bluetooth.startBLEScan({
+    success() {
+      console.log('call bluetooth.startBLEScan success.');
+    },
+    fail(code, data) {
+      console.log('call bluetooth.startBLEScan failed, code: ${code}, data: ${data}.');
+    },
+    complete() {
+      console.log('call bluetooth.startBLEScan complete.');
+    }
+  });
+  ```
+
+
+## bluetooth.stopBLEScan(OBJECT)
+
+Stops scanning for BLE devices nearby. This API is used with [bluetooth.startBLEScan(OBJECT)](#bluetoothstartblescanobject) in pairs.
+
+**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH and ohos.permission.LOCATION
+
+**System capability**: SystemCapability.Communication.Bluetooth.Lite
+
+**Parameters**
+**Table 2** StopBLEScanOptions
+
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| success | Function | No| Called when the operation is successful.|
+| fail | Function | No| Called when the operation fails.|
+| complete | Function | No| Called when the execution is complete.|
+
+**Example**
+
+  ```
+  bluetooth.stopBLEScan({
+    success() {
+      console.log('call bluetooth.stopBLEScan success.');
+    },
+    fail(data, code) {
+      console.log('call bluethooth.stopBLEScan fail, code: ${code}, data: ${data}.');
+    },
+    complete() {
+      console.log('call bluethooth.stopBLEScan complete.');
+    }
+  });
+  ```
+
+
+## bluetooth.subscribeBLEFound(OBJECT)
+
+Subscribes to the newly detected BLE device. If this API is called multiple times, the last call takes effect.
+
+**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH and ohos.permission.LOCATION
+
+**System capability**: SystemCapability.Communication.Bluetooth.Lite
+
+**Parameters**
+**Table 3** SubscribeBLEFoundOptions
+
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| success | Function | Yes| Called to report the newly detected device.|
+| fail | Function | No| Called when the operation fails.|
+
+**Table 4** Return value in success
+
+| Name| Type| Description|
+| -------- | -------- | -------- |
+| devices | Array&lt;BluetoothDevice&gt; | List of the newly detected BLE devices.|
+
+**Table 5** BluethoothDevice
+
+| Name| Type| Description|
+| -------- | -------- | -------- |
+| addrType | string | Device address type, which can be:<br>-&nbsp;**public**: a public address<br>-&nbsp;**random**: a random address|
+| addr | string | MAC address of the device.|
+| rssi | number | Received signal strength indicator (RSSl) of the device.|
+| txpower | string | **txpower** field in the Bluetooth advertising data.|
+| data | hex&nbsp;string | Bluetooth advertising data (including advertising data and scan response data), in a hexadecimal string.|
+
+**Example**
+
+  ```
+  bluetooth.startaBLEScan({
+    success() {
+      bluetooth.subscribeBLEFound({
+        success(data) {
+          const [device] = data.devices;
+          if (!!device) {
+            bluetooth.stopBLEScan();
+          }
+        }
+      });
+    },
+    fail(code, data) {
+      console.log('Failed to start BLE device scan, code: ${code}, data: ${data}');
+    }
+  });
+  ```
+
+
+## bluetooth.unsubscribeBLEFound()
+
+Unsubscribes from the newly detected devices.
+
+**Required permissions**: ohos.permission.DISCOVER_BLUETOOTH and ohos.permission.LOCATION
+
+**System capability**: SystemCapability.Communication.Bluetooth.Lite
+
+**Example**
+
+  ```
+  bluetooth.unsubscribeBLEFound();
+  ```
+
+
+## Common Error Codes
+
+| Error Code| Description|
+| -------- | -------- |
+| 1100 | The Bluetooth adapter is not initialized.|
+| 1101 | The Bluetooth adapter is unavailable.|
+| 1102 | The specified device is not found.|
+| 1103 | Connection failed.|
+| 1104 | The specified service is not found.|
+| 1105 | The specified characteristic value is not found.|
+| 1106 | The Bluetooth device is disconnected.|
+| 1107 | The characteristic value does not support this operation.|
+| 1108 | Other exceptions reported by the system.|
+| 1109 | The system version does not support BLE.|
diff --git a/en/application-dev/reference/apis/js-apis-system-storage.md b/en/application-dev/reference/apis/js-apis-system-storage.md
index 2440183d41464f6b88907b096cd0185707192bd5..038558c55e164f3a381c21ad5a98949d75191c52 100644
--- a/en/application-dev/reference/apis/js-apis-system-storage.md
+++ b/en/application-dev/reference/apis/js-apis-system-storage.md
@@ -1,8 +1,9 @@
 # Data Storage
 
-> ![icon-note.gif](public_sys-resources/icon-note.gif) **Note：**
-> - The APIs of this module are no longer maintained since API version 6. It is recommended that you use [`@ohos.data.storage`](js-apis-data-storage.md) instead.
-> 
+> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**<br/>
+>
+> - The APIs of this module are no longer maintained since API Version 6. You are advised to use [`@ohos.data.storage`](js-apis-data-storage.md). From API Version 9, you are advised to use [`@ohos.data.preferences`](js-apis-data-preferences.md).
+>
 > - The initial APIs of this module are supported since API version 3. Newly added APIs will be marked with a superscript to indicate their earliest API version.
 
 
@@ -18,19 +19,19 @@ import storage from '@system.storage';
 
 get(Object): void
 
-Reads the stored content.
+Obtains the stored data.
 
 **System capability**: SystemCapability.DistributedDataManager.Preferences.Core
 
 **Parameters**
 
-| Name | Type | Mandatory | Description |
+| Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| key | string | Yes | Content&nbsp;index. |
-| default | string | No | Default&nbsp;value&nbsp;returned&nbsp;when&nbsp;the&nbsp;**key**&nbsp;does&nbsp;not&nbsp;exist. |
-| success | Function | No | Called&nbsp;when&nbsp;the&nbsp;stored&nbsp;content&nbsp;is&nbsp;successfully&nbsp;read. |
-| fail | Function | No | Called&nbsp;when&nbsp;the&nbsp;stored&nbsp;content&nbsp;fails&nbsp;to&nbsp;be&nbsp;read. |
-| complete | Function | No | Called&nbsp;when&nbsp;the&nbsp;execution&nbsp;is&nbsp;complete. |
+| key | string | Yes| Index of the data to obtain.|
+| default | string | No| Default value returned when the **key** does not exist.|
+| success | Function | No| Called when the stored data is successfully obtained.|
+| fail | Function | No| Called when the stored data failed to be obtained.|
+| complete | Function | No| Called when the execution is complete.|
 
 **Example**
 
@@ -58,19 +59,19 @@ export default {
 
 set(Object): void
 
-Modifies the stored content.
+Modifies the stored data.
 
 **System capability**: SystemCapability.DistributedDataManager.Preferences.Core
 
 **Parameters**
 
-| Name | Type | Mandatory | Description |
+| Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| key | string | Yes | Index&nbsp;of&nbsp;the&nbsp;stored&nbsp;content&nbsp;to&nbsp;be&nbsp;modified. |
-| value | string | No | Target&nbsp;storage&nbsp;content.&nbsp;The&nbsp;maximum&nbsp;number&nbsp;of&nbsp;characters&nbsp;allowed&nbsp;is&nbsp;128. |
-| success | Function | No | Called&nbsp;when&nbsp;the&nbsp;stored&nbsp;content&nbsp;is&nbsp;modified&nbsp;successfully. |
-| fail | Function | No | Called&nbsp;when&nbsp;the&nbsp;stored&nbsp;content&nbsp;fails&nbsp;to&nbsp;be&nbsp;modified. |
-| complete | Function | No | Called&nbsp;when&nbsp;the&nbsp;execution&nbsp;is&nbsp;complete. |
+| key | string | Yes| Index of the data to modify.|
+| value | string | No| New value to set. The maximum length is 128 bytes.|
+| success | Function | No| Called when the data is successfully modified.|
+| fail | Function | No| Called when the data failed to be modified.|
+| complete | Function | No| Called when the execution is complete.|
 
 **Example**
 
@@ -96,17 +97,17 @@ export default {
 
 clear(Object): void
 
-Clears the stored content.
+Clears the stored data.
 
 **System capability**: SystemCapability.DistributedDataManager.Preferences.Core
 
 **Parameters**
 
-| Name | Type | Mandatory | Description |
+| Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| success | Function | No | Called&nbsp;when&nbsp;the&nbsp;stored&nbsp;content&nbsp;is&nbsp;cleared&nbsp;successfully |
-| fail | Function | No | Called&nbsp;when&nbsp;the&nbsp;stored&nbsp;content&nbsp;fails&nbsp;to&nbsp;be&nbsp;cleared |
-| complete | Function | No | Called&nbsp;when&nbsp;the&nbsp;execution&nbsp;is&nbsp;complete |
+| success | Function | No| Called when the data is successfully cleared.|
+| fail | Function | No| Called when the data failed to be cleared.|
+| complete | Function | No| Called when the execution is complete.|
 
 **Example**
 
@@ -130,18 +131,18 @@ export default {
 
 delete(Object): void
 
-Deletes the stored content.
+Deletes the stored data.
 
 **System capability**: SystemCapability.DistributedDataManager.Preferences.Core
 
 **Parameters**
 
-| Name | Type | Mandatory | Description |
+| Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| key | string | Yes | Content&nbsp;index. |
-| success | Function | No | Called&nbsp;when&nbsp;the&nbsp;stored&nbsp;content&nbsp;is&nbsp;deleted&nbsp;successfully. |
-| fail | Function | No | Called&nbsp;when&nbsp;the&nbsp;stored&nbsp;content&nbsp;fails&nbsp;to&nbsp;be&nbsp;deleted. |
-| complete | Function | No | Called&nbsp;when&nbsp;the&nbsp;execution&nbsp;is&nbsp;complete. |
+| key | string | Yes| Index of the data to delete.|
+| success | Function | No| Called when the data is deleted.|
+| fail | Function | No| Called when the data failed to be deleted.|
+| complete | Function | No| Called when the execution is complete.|
 
 **Example**
 
@@ -159,4 +160,4 @@ export default {
     });    
   }
 }
-```
\ No newline at end of file
+```
diff --git a/en/application-dev/website.md b/en/application-dev/website.md
index 940eebed02bc164d876e87a310cd9c8bc509f95f..2ebf0b336340d2836eb0c916e899bc4d237f0af6 100644
--- a/en/application-dev/website.md
+++ b/en/application-dev/website.md
@@ -2,16 +2,8 @@
 
 - [Application Development Overview](application-dev-guide.md)
 - Quick Start
-  - Getting Started
-    - [Preparations](quick-start/start-overview.md)
-    - [Getting Started with eTS in the Traditional Coding Approach](quick-start/start-with-ets.md)
-    - [Getting Started with eTS in the Low-Code Approach](quick-start/start-with-ets-low-code.md)
-    - [Getting Started with JavaScript in the Traditional Coding Approach](quick-start/start-with-js.md)
-    - [Getting Started with JavaScript in the Low-Code Approach](quick-start/start-with-js-low-code.md)
-  - Development Fundamentals
-    - [Directory Structure](quick-start/package-structure.md)
-    - [Resource File Categories](quick-start/basic-resource-file-categories.md)
-    - [SysCap](quick-start/syscap.md)
+  - [Directory Structure](quick-start/package-structure.md)
+  - [Resource File Categories](quick-start/basic-resource-file-categories.md)
 - Development
   - Ability Development
     - FA Model
@@ -20,10 +12,9 @@
       - [Service Ability Development](ability/fa-serviceability.md)
       - [Data Ability Development](ability/fa-dataability.md)
       - [FA Widget Development](ability/fa-formability.md)
-      - Other
-        - [WantAgent Development](wantagent.md)
-        - [Ability Assistant Usage](ability-assistant-guidelines.md)
-        - [Test Framework Usage](ability-delegator.md)
+
+    - Other
+      - [Ability Assistant Usage](ability/ability-assistant-guidelines.md)
   - UI
     - [ArkUI Overview](ui/arkui-overview.md)
     - JavaScript-based Web-Like Development Paradigm
@@ -53,40 +44,18 @@
         - [Defining Page Routes](ui/ui-js-building-ui-routes.md)
       - Common Component Development Guidelines
         - Container Components
-          - [List Development](ui/ui-js-components-list.md)
-          - [Dialog Development](ui/ui-js-components-dialog.md)
-          - [Form Development](ui/ui-js-components-form.md)
-          - [Stepper Development](ui/ui-js-components-stepper.md)
-          - [Tabs Development](ui/ui-js-component-tabs.md)
-          - [Swiper Development](ui/ui-js-components-swiper.md)
+          - [List](ui/ui-js-components-list.md)
+          - [Dialog](ui/ui-js-components-dialog.md)
+          - [Form](ui/ui-js-components-form.md)
+          - [Stepper](ui/ui-js-components-stepper.md)
+          - [Tabs](ui/ui-js-component-tabs.md)
         - Basic Components
-          - [Text Development](ui/ui-js-components-text.md)
-          - [Input Development](ui/ui-js-components-input.md)
-          - [Button Development](ui/ui-js-components-button.md)
-          - [Picker Development](ui/ui-js-components-picker.md)
-          - [Image Development](ui/ui-js-components-images.md)
-          - [Image-animator Development](ui/ui-js-components-image-animator.md)
-          - [Rating Development](ui/ui-js-components-rating.md)
-          - [Slider Development](ui/ui-js-components-slider.md)
-          - [Chart Development](ui/ui-js-components-chart.md)
-          - [Switch Development](ui/ui-js-components-switch.md)
-          - [Toolbar Development](ui/ui-js-components-toolbar.md)
-          - [Menu Development](ui/ui-js-components-menu.md)
-          - [Marquee Development](ui/ui-js-components-marquee.md)
-          - [Qrcode Development](ui/ui-js-components-qrcode.md)
-          - [Search Development](ui/ui-js-components-search.md)
-        - Canvas Development
-          - [Canvas](ui/ui-js-components-canvas.md)
-          - [CanvasRenderingContext2D](ui/ui-js-components-canvasrenderingcontext2d.md)
-          - [Path2D](ui/ui-js-components-path2d.md)
-          - [OffscreenCanvas](ui/ui-js-components-offscreencanvas.md)
-        - [Grid-container Development](ui/ui-js-components-calendar.md)
-        - Svg
-          - [Basics](ui/ui-js-components-svg-overview.md)
-          - [Graph Drawing](ui/ui-js-components-svg-graphics.md)
-          - [Path Drawing](ui/ui-js-components-svg-path.md)
-          - [Text Drawing](ui/ui-js-components-svg-text.md) 
-      - Animation Development Guidelines
+          - [Text](ui/ui-js-components-text.md)
+          - [Input](ui/ui-js-components-input.md)
+          - [Button](ui/ui-js-components-button.md)
+          - [Picker](ui/ui-js-components-picker.md)
+          - [Image](ui/ui-js-components-images.md)
+       - Animation Development Guidelines
         - CSS Animation
           - [Defining Attribute Style Animations](ui/ui-js-animate-attribute-style.md)
           - [Defining Animations with the transform Attribute](ui/ui-js-animate-transform.md)
@@ -152,13 +121,6 @@
           - [Custom Component Lifecycle Callbacks](ui/ts-custom-component-lifecycle-callbacks.md)
           - [Example: Component Creation and Re-Initialization](ui/ts-component-creation-re-initialization.md)
         - [Syntactic Sugar](ui/ts-syntactic-sugar.md)
-      - Common Component Development Guidelines
-        - [Button](ui/ui-ts-basic-components-button.md)
-        - [Web](ui/ui-ts-components-web.md)
-      - Common Layout Development Guidelines
-        - [Flex Layout](ui/ui-ts-layout-flex.md)
-        - [Grid Layout](ui/ui-ts-layout-grid-container.md)
-        - [Media Query](ui/ui-ts-layout-mediaquery.md)
       - Experiencing the Declarative UI
         - [Creating a Declarative UI Project](ui/ui-ts-creating-project.md)
         - [Getting to Know Components](ui/ui-ts-components.md)
@@ -197,14 +159,8 @@
       - User Authentication
         - [User Authentication Overview](security/userauth-overview.md)
         - [User Authentication Development](security/userauth-guidelines.md)
-      - Key Management
-        - [HUKS Overview](security/huks-overview.md)
-        - [HUKS Development](security/huks-guidelines.md)
-      - hapsigntool  
-        - [hapsigntool Guide](security/hapsigntool-guidelines.md)
-      - Access Control  
-        - [Access Control Overview](security/accesstoken-overview.md)
-        - [Access Control Development](security/accesstoken-guidelines.md)
+      - hapsigner
+        - [hapsigner Guide](security/hapsigntool-guidelines.md)
     - Connectivity
       - IPC & RPC
         - [IPC & RPC Overview](connectivity/ipc-rpc-overview.md)
@@ -218,11 +174,8 @@
         - [RDB Overview](database/database-relational-overview.md)
         - [RDB Development](database/database-relational-guidelines.md)
       - Lightweight Data Store
-        - [Lightweight Data Store Overview](database/database-preference-overview.md)
-        - [Lightweight Data Store Development](database/database-preference-guidelines.md)
-      - Distributed Data Object
-        - [Distributed Data Object Overview](database/database-distributedobject-overview.md)
-        - [Distributed Data Object Development](database/database-distributedobject-guidelines.md)
+        - [Lightweight Data Store Overview](database/database-storage-overview.md)
+        - [Lightweight Data Store Development](database/database-storage-guidelines.md)
     - Agent-Powered Scheduled Reminders
       - [Overview](background-agent-scheduled-reminder/background-agent-scheduled-reminder-overview.md)
       - [Development Guidelines](background-agent-scheduled-reminder/background-agent-scheduled-reminder-guide.md)
@@ -516,31 +469,35 @@
   - APIs
     - Ability Framework
 
-      - [@ohos.ability.dataUriUtils](reference/js-apis-DataUriUtils.md)
-      - [@ohos.ability.errorCode](reference/js-apis-ability-errorCode.md)
-      - [@ohos.ability.wantConstant](reference/js-apis-ability-wantConstant.md)
-      - [@ohos.application.abilityDelegatorRegistry](reference/js-apis-abilityDelegatorRegistry.md)
-      - [@ohos.application.appManager](reference/js-apis-appmanager.md)
-      - [@ohos.application.Configuration](reference/js-apis-configuration.md)
-      - [@ohos.application.ConfigurationConstant](reference/js-apis-configurationconstant.md)
-      - [@ohos.ability.featureAbility](reference/js-apis-featureAbility.md)
-      - [@ohos.application.formBindingData](reference/js-apis-formbindingdata.md)
-      - [@ohos.application.formError](reference/js-apis-formerror.md)
-      - [@ohos.application.formHost](reference/js-apis-formhost.md)
-      - [@ohos.application.formInfo](reference/js-apis-formInfo.md)
-      - [@ohos.application.missionManager](reference/js-apis-missionManager.md)
-      - [@ohos.application.formProvider](reference/js-apis-formprovider.md)
-      - [@ohos.ability.particleAbility](reference/js-apis-particleAbility.md)
-      - [@ohos.application.Want](reference/js-apis-application-Want.md)
-      - [@ohos.wantAgent](reference/js-apis-wantAgent.md)
-      - [dataAbilityHelper](reference/js-apis-dataAbilityHelper.md)
-      - [context](reference/js-apis-Context.md)
-      - [abilityDelegator](reference/js-apis-application-abilityDelegator.md)
-      - [abilityDelegatorArgs](reference/js-apis-application-abilityDelegatorArgs.md)
-      - [AbilityRunningInfo](reference/js-apis-abilityrunninginfo.md)
-      - [MissionSnapshot](reference/js-apis-application-MissionSnapshot.md)
-      - [ProcessRunningInfo](reference/js-apis-processrunninginfo.md)
-      - [shellCmdResult](reference/js-apis-application-shellCmdResult.md)
+      - [@ohos.ability.dataUriUtils](reference/apis/js-apis-DataUriUtils.md)
+      - [@ohos.application.Ability](reference/apis/js-apis-application-ability.md)
+      - [@ohos.application.AbilityConstant](reference/apis/js-apis-application-abilityConstant.md)
+      - [@ohos.application.AbilityStage ](reference/apis/js-apis-application-abilitystage.md)
+      - [@ohos.application.appManager](reference/apis/js-apis-appmanager.md)
+      - [@ohos.application.Configuration](reference/apis/js-apis-configuration.md)
+      - [@ohos.application.ConfigurationConstant](reference/apis/js-apis-configurationconstant.md)
+      - [@ohos.ability.featureAbility](reference/apis/js-apis-featureAbility.md)
+      - [@ohos.application.formBindingData](reference/apis/js-apis-formbindingdata.md)
+      - [@ohos.application.FormExtension](reference/apis/js-apis-formextension.md)
+      - [@ohos.application.missionManager](reference/apis/js-apis-missionManager.md)
+      - [@ohos.application.formProvider](reference/apis/js-apis-formprovider.md)
+      - [@ohos.ability.particleAbility](reference/apis/js-apis-particleAbility.md)
+      - [@ohos.application.ServiceExtensionAbility](reference/apis/js-apis-service-extension-ability.md)
+      - [@ohos.application.uriPermissionManager](reference/apis/js-apis-uripermissionmanager.md)
+      - [@ohos.wantAgent](reference/apis/js-apis-wantAgent.md)
+      - [dataAbilityHelper](reference/apis/js-apis-dataAbilityHelper.md)
+      - [context](reference/apis/js-apis-Context.md)
+      - [AbilityContext](reference/apis/js-apis-ability-context.md)
+      - [AbilityRunningInfo](reference/apis/js-apis-abilityrunninginfo.md)
+      - [AbilityStageContext](reference/apis/js-apis-abilitystagecontext.md)
+      - [Context](reference/apis/js-apis-application-context.md)
+      - [ExtensionContext](reference/apis/js-apis-extension-context.md)
+      - [ExtensionRunningInfo](reference/apis/js-apis-extensionrunninginfo.md)
+      - [FormExtensionContext](reference/apis/js-apis-formextensioncontext.md)
+      - [MissionSnapshot](reference/apis/js-apis-application-MissionSnapshot.md)
+      - [PermissionRequestResult](reference/apis/js-apis-permissionrequestresult.md)
+      - [ProcessRunningInfo](reference/apis/js-apis-processrunninginfo.md)
+      - [ServiceExtensionContext](reference/apis/js-apis-service-extension-context.md) 
 
     - Common Event and Notification
 
@@ -548,6 +505,7 @@
       - [@ohos.events.emitter](reference/apis/js-apis-emitter.md)
       - [@ohos.notification](reference/apis/js-apis-notification.md)
       - [@ohos.reminderAgent](reference/apis/js-apis-reminderAgent.md)
+      - [EventHub](reference/apis/js-apis-eventhub.md)
 
     - Bundle Management
 
@@ -558,9 +516,6 @@
     - UI Page
 
       - [@ohos.animator](reference/apis/js-apis-animator.md)
-      - [@ohos.mediaquery](reference/js-apis-mediaquery.md)
-      - [@ohos.prompt](reference/js-apis-prompt.md)
-      - [@ohos.router](reference/js-apis-router.md)
 
     - Graphics
 
@@ -592,10 +547,8 @@
 
     - Security
 
-      - [@ohos.abilityAccessCtrl](reference/js-apis-abilityAccessCtrl.md)
-      - [@ohos.security.huks ](reference/js-apis-huks.md)
-      - [@ohos.userIAM.userAuth ](reference/js-apis-useriam-userauth.md)
-      - [@system.cipher](reference/js-apis-system-cipher.md)
+      - [@ohos.abilityAccessCtrl](reference/apis/js-apis-abilityAccessCtrl.md)
+      - [@ohos.userIAM.userAuth ](reference/apis/js-apis-useriam-userauth.md)
 
     - Data Management
 
@@ -603,7 +556,7 @@
       - [@ohos.data.distributedData](reference/apis/js-apis-distributed-data.md)
       - [@ohos.data.distributedDataObject](reference/apis/js-apis-data-distributedobject.md)
       - [@ohos.data.rdb](reference/apis/js-apis-data-rdb.md)
-      - [@ohos.data.storage](reference/js-apis-data-storage.md)
+	  - [@ohos.data.storage](reference/apis/js-apis-data-storage.md)
       - [@ohos.settings](reference/apis/js-apis-settings.md)
       - [resultSet](reference/apis/js-apis-data-resultset.md)
 
@@ -636,7 +589,6 @@
 
       - [@ohos.bluetooth](reference/apis/js-apis-bluetooth.md)
       - [@ohos.rpc](reference/apis/js-apis-rpc.md)
-      - [@ohos.connectedTag](reference/js-apis-connectedTag.md)
       - [@ohos.wifi](reference/apis/js-apis-wifi.md)
       - [@ohos.wifiext](reference/apis/js-apis-wifiext.md)
 
@@ -650,8 +602,6 @@
       - [@ohos.hilog](reference/apis/js-apis-hilog.md)
       - [@ohos.hiTraceChain](reference/apis/js-apis-hitracechain.md)
       - [@ohos.hiTraceMeter](reference/apis/js-apis-hitracemeter.md)
-      - [@ohos.inputMethod](reference/js-apis-inputmethod.md)
-      - [@ohos.inputMethodEngine](reference/js-apis-inputmethodengine.md)
       - [@ohos.pasteboard](reference/apis/js-apis-pasteboard.md)
       - [@ohos.screenLock](reference/apis/js-apis-screen-lock.md)
       - [@ohos.systemTime](reference/apis/js-apis-system-time.md)
@@ -667,7 +617,6 @@
       - [@ohos.geolocation](reference/apis/js-apis-geolocation.md)
       - [@ohos.multimodalInput.inputConsumer](reference/apis/js-apis-inputconsumer.md)
       - [@ohos.multimodalInput.inputDevice](reference/apis/js-apis-inputdevice.md)
-      - [@ohos.multimodalInput.inputEventClient](reference/js-apis-inputeventclient.md)
       - [@ohos.multimodalInput.inputMonitor](reference/apis/js-apis-inputmonitor.md)
       - [@ohos.power](reference/apis/js-apis-power.md)
       - [@ohos.runningLock](reference/apis/js-apis-runninglock.md)
@@ -708,29 +657,10 @@
       - [@ohos.worker](reference/apis/js-apis-worker.md)
       - [@ohos.xml](reference/apis/js-apis-xml.md)
 
-    - Test
-
-      - [@ohos.application.testRunner](reference/js-apis-testRunner.md)
-      - [@ohos.uitest](reference/js-apis-uitest.md)
-
     - APIs No Longer Maintained
 
-      - [@ohos.bytrace](reference/js-apis-bytrace.md)
-      - [@system.app](reference/js-apis-system-app.md)
-      - [@system.battery](reference/js-apis-system-battery.md)
-      - [@system.brightness](reference/js-apis-system-brightness.md)
-      - [@system.configuration](reference/js-apis-system-configuration.md)
-      - [@system.device](reference/js-apis-system-device.md)
-      - [@system.fetch](reference/js-apis-system-fetch.md)
-      - [@system.file](reference/js-apis-system-file.md)
-      - [@system.geolocation](reference/js-apis-system-location.md)
-      - [@system.mediaquery](reference/js-apis-system-mediaquery.md)
-      - [@system.network](reference/js-apis-system-network.md)
-      - [@system.package](reference/js-apis-system-package.md)
-      - [@system.prompt](reference/js-apis-system-prompt.md)
-      - [@system.request](reference/js-apis-system-request.md)
-      - [@system.router](reference/js-apis-system-router.md)
-      - [@system.sensor](reference/js-apis-system-sensor.md)
-      - [@system.storage](reference/js-apis-system-storage.md)
-      - [@system.vibrator](reference/js-apis-system-vibrate.md)
-      - [console](reference/js-apis-logs.md)
\ No newline at end of file
+      - [@ohos.bytrace](reference/apis/js-apis-bytrace.md)
+      - [@ohos.data.storage](reference/apis/js-apis-data-storage.md)
+      - [@system.sensor](reference/apis/js-apis-system-sensor.md)
+      - [@system.vibrator](reference/apis/js-apis-system-vibrate.md)
+      - [console](reference/apis/js-apis-logs.md)
\ No newline at end of file