diff --git a/BUILD.gn b/BUILD.gn
index 38c871c84353a215a6d2c56da31c2f58f9cd9dc8..a6eb9c2bdb4d478151ef031a0103336463fb41ab 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -102,6 +102,7 @@ ohos_copy("ets_component") {
     "api/@internal/component/ets/toggle.d.ts",
     "api/@internal/component/ets/units.d.ts",
     "api/@internal/component/ets/video.d.ts",
+    "api/@internal/component/ets/web.d.ts",
     "api/@internal/component/ets/xcomponent.d.ts",
   ]
   outputs = [ target_out_dir + "/$target_name/{{source_file_part}}" ]
diff --git a/api/@internal/component/ets/column.d.ts b/api/@internal/component/ets/column.d.ts
index 8a6feea284dc684437b93173a47b6e3de910696e..f1045dccf42d3e8b095ec1cd35989f0e3fe3cbb2 100644
--- a/api/@internal/component/ets/column.d.ts
+++ b/api/@internal/component/ets/column.d.ts
@@ -37,6 +37,12 @@ declare class ColumnAttribute extends CommonMethod<ColumnAttribute> {
    * @since 7
    */
   alignItems(value: HorizontalAlign): ColumnAttribute;
+
+  /**
+   * Sets the alignment format of the subassembly in the vertical direction.
+   * @since 8
+   */
+  justifyContent(value: FlexAlign): ColumnAttribute;
 }
 
 declare const Column: ColumnInterface;
diff --git a/api/@internal/component/ets/common.d.ts b/api/@internal/component/ets/common.d.ts
index 875e800ff3a9dd6afb835188174dbd816d6f339a..ca5a28f447a3f830484b78515e5528f2271387f2 100644
--- a/api/@internal/component/ets/common.d.ts
+++ b/api/@internal/component/ets/common.d.ts
@@ -36,6 +36,12 @@ declare const Observed: ClassDecorator;
  */
 declare const Preview: ClassDecorator & ((value: PreviewParams) => ClassDecorator);
 
+/**
+ * Defining BuilderParam PropertyDecorator
+ * @since 7
+ */
+declare const BuilderParam: PropertyDecorator;
+
 /**
  * Defining State PropertyDecorator.
  * @since 7
@@ -90,6 +96,7 @@ declare const StorageLink: (value: string) => PropertyDecorator;
  */
 declare const Watch: (value: string) => PropertyDecorator;
 
+
 /**
  * Defining Builder MethodDecorator
  * @since 7
@@ -173,6 +180,20 @@ declare function $r(value: string, ...params: any[]): Resource;
  */
 declare function $rawfile(value: string): Resource;
 
+/**
+ * global getContentStorage function
+ * @since 8
+ */
+declare function getContentStorage(value: any): ContentStorage;
+
+declare type Context = any;
+
+/**
+ * global getContext function
+ * @since 8
+ */
+declare function getContext(value: any): Context;
+
 interface AnimateToParam {
   duration?: number;
   tempo?: number;
@@ -1297,13 +1318,13 @@ declare class CommonMethod<T> {
    * When the parameter is of the boolean type, this parameter specifies whether to crop based on the edge contour.
    * @since 7
    */
-  clip(value: boolean | CircleInterface | EllipseInterface | PathInterface | RectInterface): T;
+  clip(value: boolean | CircleAttribute | EllipseAttribute | PathAttribute | RectAttribute): T;
 
   /**
    * Applies a mask of the specified shape to the current assembly.
    * @since 7
    */
-  mask(value: CircleInterface | EllipseInterface | PathInterface | RectInterface): T;
+  mask(value: CircleAttribute | EllipseAttribute | PathAttribute | RectAttribute): T;
 
   /**
    * Key. User can set an key to the component to identify it.
diff --git a/api/@internal/component/ets/index.d.ts b/api/@internal/component/ets/index.d.ts
index 3c4fc1ec962e2f172b3ba5e13b2d3a5ba02a50ef..b6db78203af52854db27a9983a9ee0b059fbb29a 100644
--- a/api/@internal/component/ets/index.d.ts
+++ b/api/@internal/component/ets/index.d.ts
@@ -93,5 +93,6 @@
 /// <reference path="./toggle.d.ts" />
 /// <reference path="./units.d.ts" />
 /// <reference path="./video.d.ts" />
+/// <reference path="./web.d.ts" />
 /// <reference path="./xcomponent.d.ts" />
 /// <reference path="./inspector.d.ts" />
diff --git a/api/@internal/component/ets/row.d.ts b/api/@internal/component/ets/row.d.ts
index 412041e9dff153882804ffe6be67d59fa22266e9..6d723e4b8baf61b87857b95aced6fc55cc2b89ae 100644
--- a/api/@internal/component/ets/row.d.ts
+++ b/api/@internal/component/ets/row.d.ts
@@ -34,6 +34,12 @@ declare class RowAttribute extends CommonMethod<RowAttribute> {
    * @since 7
    */
   alignItems(value: VerticalAlign): RowAttribute;
+
+  /**
+   * Called when the horizontal alignment is set.
+   * @since 8
+   */
+   justifyContent(value: FlexAlign): RowAttribute;
 }
 
 declare const Row: RowInterface;
diff --git a/api/@internal/component/ets/stateManagement.d.ts b/api/@internal/component/ets/stateManagement.d.ts
index ca532e1754d9397d6e0b8d4e882d60f598e9ef4c..0fea7d5697cf83487c3a9badf7fe6e022265c017 100644
--- a/api/@internal/component/ets/stateManagement.d.ts
+++ b/api/@internal/component/ets/stateManagement.d.ts
@@ -502,6 +502,89 @@ declare abstract class SubscribaleAbstract {
   public removeOwningPropertyById(subscriberId: number): void;
 }
 
+/**
+ * @since 8
+ */
+ declare class ContentStorage {
+  /**
+   * Called when a link is set.
+   * @since 8
+   */
+  link(propName: string): any;
+
+  /**
+   * Called when a hyperlink is set.
+   * @since 8
+   */
+  setAndLink<T>(propName: string, defaultValue: T): SubscribedAbstractProperty<T>;
+
+  /**
+   * Called when a property is set.
+   * @since 8
+   */
+  prop(propName: string): any;
+
+  /**
+   * Called when dynamic properties are set.
+   * @since 8
+   */
+  setAndProp<S>(propName: string, defaultValue: S): SubscribedAbstractProperty<S>;
+
+  /**
+   * Called when owning or not.
+   * @since 8
+   */
+  has(propName: string): boolean;
+
+  /**
+   * Called when data is obtained.
+   * @since 8
+   */
+  get<T>(propName: string): T | undefined;
+
+  /**
+   * Called when setting.
+   * @since 8
+   */
+  set<T>(propName: string, newValue: T): boolean;
+
+  /**
+   * Called when setting or creating.
+   * @since 8
+   */
+  setOrCreate<T>(propName: string, newValue: T): void;
+
+  /**
+   * Called when a deletion is made.
+   * @since 8
+   */
+  delete(propName: string): boolean;
+
+  /**
+   * Called when a dictionary is sorted.
+   * @since 8
+   */
+  keys(): IterableIterator<string>;
+
+  /**
+   * Called when a cleanup occurs.
+   * @since 8
+   */
+  clear(): boolean;
+
+  /**
+   * Called when the data can be changed.
+   * @since 8
+   */
+  isMutable(propName: string): boolean;
+
+  /**
+   * Called when you check how much data is stored.
+   * @since 8
+   */
+  size(): number;
+}
+
 /**
  * @since 7
  */
diff --git a/api/@internal/component/ets/web.d.ts b/api/@internal/component/ets/web.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..636060804afc100460ddf6c304b25c40ff86ba69
--- /dev/null
+++ b/api/@internal/component/ets/web.d.ts
@@ -0,0 +1,71 @@
+declare class WebController {
+    /**
+     * Constructor.
+     * @since 8
+     */
+    constructor();
+
+   /**
+    * Means to load a piece of code and execute JS code in the context of the currently displayed page
+    * @since 8
+    */
+    evaluateJavaScript(jscode: string);
+
+   /**
+    * Indicates that a piece of code is loaded
+    * @since 8
+    */
+    loadDataWithBaseURL(value : {baseUrl: string, data: string, mimeType:string, encoding:string, historyUrl: string});
+
+   /**
+    * Load the given URL
+    * @since 8
+    */
+    loadUrl(url : string);
+}
+
+declare interface WebOptions {
+   /**
+    * Set the address of the web page to be displayed
+    * @since 8
+    */
+    src: string | Resource;
+    controller: WebController;
+}
+
+interface WebInterface {
+    /**
+     * Set Value.
+     * @since 8
+     */
+    (value: WebOptions): WebAttribute;
+}
+
+declare class WebAttribute extends CommonMethod<WebAttribute> {
+   /**
+    * Triggered at the end of web page loading
+    * @since 8
+    */
+    onPageFinish(callback: (event?:{ url: string }) => void): WebAttribute;
+
+   /**
+    * Get WebView focus callback event
+    * @since 8
+    */
+    onRequestFocus(event: () => void): WebAttribute;
+
+   /**
+    * Set whether WebView allows JavaScript scripts to execute
+    * @since 8
+    */
+    javaScriptEnabled(value: boolean): WebAttribute;
+
+   /**
+    * Enable or disable local file system access in WebView
+    * @since 8
+    */
+    fileAccessEnabled(value: boolean): WebAttribute;
+}
+
+declare const Web: WebInterface;
+declare const WebInstance: WebAttribute;
diff --git a/api/@ohos.bundle.d.ts b/api/@ohos.bundle.d.ts
old mode 100755
new mode 100644
index cbdab0cafc637bf75b38dab031f0b79f6345eaed..f279a2e91541fc7fc381a4db5e2f93e17af04e27
--- a/api/@ohos.bundle.d.ts
+++ b/api/@ohos.bundle.d.ts
@@ -17,6 +17,7 @@ import { AsyncCallback, Callback } from './basic';
 import { ApplicationInfo } from './bundle/applicationInfo';
 import { BundleInfo } from './bundle/bundleInfo';
 import { AbilityInfo } from './bundle/abilityInfo';
+import { ExtensionAbilityInfo } from './bundle/extensionAbilityInfo';
 import { Want } from './ability/want';
 import { BundleInstaller } from './bundle/bundleInstaller';
 import { ShortcutInfo } from './bundle/shortcutInfo';
@@ -49,27 +50,46 @@ declare namespace bundle {
     GET_BUNDLE_WITH_REQUESTED_PERMISSION = 0x00000010,
     GET_ALL_APPLICATION_INFO = 0xFFFF0000,
     /**
-      * @since 8
-      */
+     * @since 8
+     */
     GET_ABILITY_INFO_WITH_METADATA = 0x00000020,
     /**
-      * @since 8
-      */
-    GET_APPLICATION_INFO_WITH_METADATA = 0x00000040,
+     * @since 8
+     */
+     GET_BUNDLE_WITH_EXTENSION_ABILITY = 0x00000020,
     /**
-      * @since 8
-      */
+     * @since 8
+     */
+     GET_APPLICATION_INFO_WITH_METADATA = 0x00000040,
+    /**
+     * @since 8
+     */
     GET_ABILITY_INFO_SYSTEMAPP_ONLY = 0x00000080,
     /**
-      * @since 8
-      */
+     * @since 8
+     */
     GET_ABILITY_INFO_WITH_DISABLE = 0x00000100,
-     /**
-      * @since 8
-      */
+    /**
+     * @since 8
+     */
     GET_APPLICATION_INFO_WITH_DISABLE = 0x00000200,
   }
 
+  /**
+ * @name ExtensionFlag
+ * @since 8
+ * @SysCap SystemCapability.Appexecfwk
+ * @import NA
+ * @permission NA
+ * @devices phone, tablet, tv, wearable
+ */
+  enum ExtensionFlag {
+    GET_EXTENSION_INFO_DEFAULT = 0x00000000,
+    GET_EXTENSION_INFO_WITH_PERMISSION = 0x00000002,
+    GET_EXTENSION_INFO_WITH_APPLICATION = 0x00000004,
+    GET_EXTENSION_INFO_WITH_METADATA = 0x00000020,
+  }
+
 /**
  * @name ColorMode
  * @since 7
@@ -107,31 +127,31 @@ declare namespace bundle {
    */
   export enum AbilityType {
     /**
-      * @default Indicates an unknown ability type
-      * @since 7
-      * @SysCap SystemCapability.Appexecfwk
-      */
+     * @default Indicates an unknown ability type
+     * @since 7
+     * @SysCap SystemCapability.Appexecfwk
+     */
     UNKNOWN,
 
     /**
-      * @default Indicates that the ability has a UI
-      * @since 7
-      * @SysCap SystemCapability.Appexecfwk
-      */
+     * @default Indicates that the ability has a UI
+     * @since 7
+     * @SysCap SystemCapability.Appexecfwk
+     */
     PAGE,
 
     /**
-      * @default Indicates that the ability does not have a UI
-      * @since 7
-      * @SysCap SystemCapability.Appexecfwk
-      */
+     * @default Indicates that the ability does not have a UI
+     * @since 7
+     * @SysCap SystemCapability.Appexecfwk
+     */
     SERVICE,
 
     /**
-      * @default Indicates that the ability is used to provide data access services
-      * @since 7
-      * @SysCap SystemCapability.Appexecfwk
-      */
+     * @default Indicates that the ability is used to provide data access services
+     * @since 7
+     * @SysCap SystemCapability.Appexecfwk
+     */
     DATA,
   }
 
@@ -158,31 +178,31 @@ declare namespace bundle {
    */
   export enum DisplayOrientation {
     /**
-      * @default Indicates that the system automatically determines the display orientation
-      * @since 7
-      * @SysCap SystemCapability.Appexecfwk
-      */
+     * @default Indicates that the system automatically determines the display orientation
+     * @since 7
+     * @SysCap SystemCapability.Appexecfwk
+     */
     UNSPECIFIED,
 
     /**
-      * @default Indicates the landscape orientation
-      * @since 7
-      * @SysCap SystemCapability.Appexecfwk
-      */
+     * @default Indicates the landscape orientation
+     * @since 7
+     * @SysCap SystemCapability.Appexecfwk
+     */
     LANDSCAPE,
 
     /**
-      * @default Indicates the portrait orientation
-      * @since 7
-      * @SysCap SystemCapability.Appexecfwk
-      */
+     * @default Indicates the portrait orientation
+     * @since 7
+     * @SysCap SystemCapability.Appexecfwk
+     */
     PORTRAIT,
 
     /**
-      * @default Indicates the page ability orientation is the same as that of the nearest ability in the stack
-      * @since 7
-      * @SysCap SystemCapability.Appexecfwk
-      */
+     * @default Indicates the page ability orientation is the same as that of the nearest ability in the stack
+     * @since 7
+     * @SysCap SystemCapability.Appexecfwk
+     */
     FOLLOW_RECENT,
   }
 
@@ -196,20 +216,91 @@ declare namespace bundle {
    */
   export enum LaunchMode {
     /**
-      * @default Indicates that the ability has only one instance
-      * @since 7
-      * @SysCap SystemCapability.Appexecfwk
-      */
+     * @default Indicates that the ability has only one instance
+     * @since 7
+     * @SysCap SystemCapability.Appexecfwk
+     */
     SINGLETON = 0,
 
     /**
-      * @default Indicates that the ability can have multiple instances
-      * @since 7
-      * @SysCap SystemCapability.Appexecfwk
-      */
+     * @default Indicates that the ability can have multiple instances
+     * @since 7
+     * @SysCap SystemCapability.Appexecfwk
+     */
     STANDARD = 1,
   }
 
+  /**
+  * @name ExtensionAbilityType
+  * @since 8
+  * @SysCap SystemCapability.Appexecfwk
+  * @import NA
+  * @permission NA
+  * @devices phone, tablet, tv, wearable
+  */
+  export enum ExtensionAbilityType {
+    /**
+     * @default Indicates extension info with type of form
+     * @since 8
+     * @SysCap SystemCapability.Appexecfwk
+     */
+    FORM = 0,
+    /**
+     * @default Indicates extension info with type of work schedule
+     * @since 8
+     * @SysCap SystemCapability.Appexecfwk
+     */
+    WORK_SCHEDULER = 1,
+    /**
+     * @default Indicates extension info with type of input method
+     * @since 8
+     * @SysCap SystemCapability.Appexecfwk
+     */
+    INPUTMETHOD = 2,
+    /**
+     * @default Indicates extension info with type of service
+     * @since 8
+     * @SysCap SystemCapability.Appexecfwk
+    */
+    SERVICE = 3,
+    /**
+     * @default Indicates extension info with type of accessibility
+     * @since 8
+     * @SysCap SystemCapability.Appexecfwk
+     */
+    ACCESSIBILITY = 4,
+    /**
+     * @default Indicates extension info with type of datashare
+     * @since 8
+     * @SysCap SystemCapability.Appexecfwk
+     */
+    DATASHARE = 5,
+    /**
+     * @default Indicates extension info with type of fileshare
+     * @since 8
+     * @SysCap SystemCapability.Appexecfwk
+     */
+    FILESHARE = 6,
+    /**
+     * @default Indicates extension info with type of staticsubscriber
+     * @since 8
+     * @SysCap SystemCapability.Appexecfwk
+     */
+    STATICSUBSCRIBER = 7,
+    /**
+     * @default Indicates extension info with type of wallpaper
+     * @since 8
+     * @SysCap SystemCapability.Appexecfwk
+     */
+    WALLPAPER = 8,
+    /**
+     * @default Indicates extension info with type of unspecified
+     * @since 8
+     * @SysCap SystemCapability.Appexecfwk
+     */
+    UNSPECIFIED = 9,
+  }
+
   /**
    * @name BundleOptions
    * @since 7
@@ -220,17 +311,17 @@ declare namespace bundle {
    */
   export interface BundleOptions {
     /**
-      * @default Indicates the user id
-      * @since 7
-      * @SysCap SystemCapability.Appexecfwk
-      */
+     * @default Indicates the user id
+     * @since 7
+     * @SysCap SystemCapability.Appexecfwk
+     */
     userId?: number;
 
     /**
-      * @default Indicates the network id
-      * @since 7
-      * @SysCap SystemCapability.Appexecfwk
-      */
+     * @default Indicates the network id
+     * @since 7
+     * @SysCap SystemCapability.Appexecfwk
+     */
     networkId?: string;
   }
 
@@ -256,9 +347,22 @@ declare namespace bundle {
     STATUS_UNINSTALL_FAILURE_CONFLICT = 10,
     STATUS_INSTALL_FAILURE_DOWNLOAD_TIMEOUT = 0x0B,
     STATUS_INSTALL_FAILURE_DOWNLOAD_FAILED = 0x0C,
+    /**
+      * @since 8
+      */
     STATUS_RECOVER_FAILURE_INVALID = 0x0D,
+    /**
+      * @since 7
+      */
     STATUS_ABILITY_NOT_FOUND = 0x40,
-    STATUS_BMS_SERVICE_ERROR = 0x41
+    /**
+      * @since 7
+      */
+    STATUS_BMS_SERVICE_ERROR = 0x41,
+    /**
+      * @since 8
+      */
+    STATUS_FAILED_NO_SPACE_LEFT = 0x42
   }
 
   /**
@@ -296,7 +400,7 @@ declare namespace bundle {
    * @since 7
    * @SysCap SystemCapability.Appexecfwk
    * @param bundleName Indicates the application bundle name to be queried.
-   * @param flags Indicates the flag used to specify information contained in the ApplicationInfo object
+   * @param bundleFlags Indicates the flag used to specify information contained in the ApplicationInfo object
    *              that will be returned.
    * @param userId Indicates the user ID.
    * @return Returns the ApplicationInfo object.
@@ -324,9 +428,9 @@ declare namespace bundle {
    * @devices phone, tablet, tv, wearable
    * @since 7
    * @SysCap SystemCapability.Appexecfwk
-   * @param intent Indicates the Intent containing the application bundle name to
+   * @param want Indicates the Want containing the application bundle name to
    *               be queried.
-   * @param flags Indicates the flag used to specify information contained in the AbilityInfo objects that
+   * @param bundleFlags Indicates the flag used to specify information contained in the AbilityInfo objects that
    *              will be returned.
    * @param userId Indicates the user ID.
    * @return Returns a list of AbilityInfo objects.
@@ -358,7 +462,7 @@ declare namespace bundle {
    * @devices phone, tablet, tv, wearable
    * @since 7
    * @SysCap SystemCapability.Appexecfwk
-   * @param flags Indicates the flag used to specify information contained in the ApplicationInfo objects
+   * @param bundleFlags Indicates the flag used to specify information contained in the ApplicationInfo objects
    *              that will be returned.
    * @param userId Indicates the user ID.
    * @return Returns a list of ApplicationInfo objects.
@@ -375,7 +479,7 @@ declare namespace bundle {
    * @SysCap SystemCapability.Appexecfwk
    * @param hapFilePath Indicates the path storing the HAP. The path should be the relative path to the data
    *                    directory of the current application.
-   * @param flags Indicates the flag used to specify information contained in the BundleInfo object to be
+   * @param bundleFlags Indicates the flag used to specify information contained in the BundleInfo object to be
    *              returned.
    * @return Returns the BundleInfo object.
    */
@@ -385,16 +489,16 @@ declare namespace bundle {
   /**
 
   /**
-   * Obtains the Intent for starting the main ability of an application based on the
+   * Obtains the Want for starting the main ability of an application based on the
    * given bundle name. The main ability of an application is the ability that has the
-   * #ACTION_HOME and #ENTITY_HOME intent
+   * #ACTION_HOME and #ENTITY_HOME Want
    * filters set in the application's <b>config.json</b> file.
    *
    * @devices phone, tablet, tv, wearable
    * @since 7
    * @SysCap SystemCapability.Appexecfwk
    * @param bundleName Indicates the bundle name of the application.
-   * @return Returns the Intent for starting the application's main ability if any; returns null if
+   * @return Returns the Want for starting the application's main ability if any; returns null if
    *         the given bundle does not exist or does not contain any main ability.
    * @permission ohos.permission.GET_BUNDLE_INFO_PRIVILEGED
    */
@@ -470,6 +574,23 @@ declare namespace bundle {
    */
   function setAbilityEnabled(info: AbilityInfo, isEnable: boolean, callback: AsyncCallback<void>): void;
   function setAbilityEnabled(info: AbilityInfo, isEnable: boolean): Promise<void>;
+
+  /**
+   * Query extension info of by utilizing a Want.
+   *
+   * @devices phone, tablet, tv, wearable, car
+   * @since 8
+   * @SysCap SystemCapability.Appexecfwk
+   * @param want Indicates the Want containing the application bundle name to be queried.
+   * @param extensionFlags Indicates the flag used to specify information contained in the ExtensionInfo objects that
+   *              will be returned.
+   * @param userId Indicates the user ID.
+   * @return Returns a list of ExtensionInfo objects.
+   * @permission ohos.permission.GET_BUNDLE_INFO_PRIVILEGED, ohos.permission.GET_BUNDLE_INFO
+   */
+  function queryExtensionAbilityInfosByWant(want: Want, extensionFlags: number, userId: number, callback: AsyncCallback<Array<ExtensionAbilityInfo>>): void;
+  function queryExtensionAbilityInfosByWant(want: Want, extensionFlags: number, callback: AsyncCallback<Array<ExtensionAbilityInfo>>): void;
+  function queryExtensionAbilityInfosByWant(want: Want, extensionFlags: number, userId?: number): Promise<Array<ExtensionAbilityInfo>>;
 }
 
 export default bundle;
\ No newline at end of file
diff --git a/api/@ohos.data.rdb.d.ts b/api/@ohos.data.rdb.d.ts
index 498bebb88a0ed497e78a84dcd502bbe1a4f4f38c..dfbcea11dae41540078e23fd102a837239841a12 100644
--- a/api/@ohos.data.rdb.d.ts
+++ b/api/@ohos.data.rdb.d.ts
@@ -194,6 +194,18 @@ declare namespace rdb {
          */
         rollBack(callback: AsyncCallback<void>):void;
         rollBack(): Promise<void>;
+
+        /**
+         * Set table to be distributed table.
+         *
+         * @note N/A
+         * @since 8
+         * @sysCap SystemCapability.Data.DATA_APPDATAMGR
+         * @param tables the tables name you want to set
+         * @devices phone, tablet, tv, wearable, car
+         */
+        setDistributedTables(tables: Array<string>, callback: AsyncCallback<void>): void;
+        setDistributedTables(tables: Array<string>): Promise<void>;
     }
 
     /**
diff --git a/api/@ohos.distributedHardware.deviceManager.d.ts b/api/@ohos.distributedHardware.deviceManager.d.ts
index 646861dc96449ab663281565dc6864835c0ce093..69179ba17e203845da9658da477386deed0167ee 100644
--- a/api/@ohos.distributedHardware.deviceManager.d.ts
+++ b/api/@ohos.distributedHardware.deviceManager.d.ts
@@ -15,9 +15,18 @@
 
 import { AsyncCallback, Callback } from './basic';
 
+/**
+ * Providers interfaces to creat a {@link deviceManager} instances.
+ * 
+ * @since 7
+ * @Syscap SystemCapability.DISTRIBUTEDHARDWARE.deviceManager
+ * 
+ */
 declare namespace deviceManager {
   /**
    * DeviceInfo
+   *
+   * @systemapi this method can be used only by system applications.
    */
   interface DeviceInfo {
     /**
@@ -34,6 +43,13 @@ declare namespace deviceManager {
      * Device type of the device.
      */
     deviceType: DeviceType;
+
+    /**
+     * NetworkId of the device.
+     * 
+     * @since 8
+     */
+    networkId: string;
   }
 
   /**
@@ -78,6 +94,8 @@ declare namespace deviceManager {
 
   /**
    * Device state change event definition
+   *
+   * @systemapi this method can be used only by system applications.
    */
   enum DeviceStateChangeAction {
     /**
@@ -242,16 +260,6 @@ declare namespace deviceManager {
      */
     authType: number;
 
-    /**
-     * App application Icon.
-     */
-    appIcon?: Uint8Array;
-
-    /**
-     * App application thumbnail.
-     */
-    appThumbnail?: Uint8Array;
-
     /**
      * Authentication extra infos.
      */
@@ -288,6 +296,7 @@ declare namespace deviceManager {
    *
    * @param bundleName Indicates the bundle name of the application.
    * @param callback Indicates the callback to be invoked upon {@code DeviceManager} instance creation.
+   * @systemapi this method can be used only by system applications.
    */
   function createDeviceManager(bundleName: string, callback: AsyncCallback<DeviceManager>): void;
 
@@ -297,19 +306,66 @@ declare namespace deviceManager {
   interface DeviceManager {
     /**
      * Releases the {@code DeviceManager} instance after the methods for device management are no longer used.
+     * 
+     * @systemapi this method can be used only by system applications.
      */
     release(): void;
 
     /**
      * Obtains a list of trusted devices.
      *
-     * @param options Indicates the extra parameters to be passed to this method for device filtering or sorting.
-     * This parameter can be null. For details about available values, see {@link #TARGET_PACKAGE_NAME} and
-     * {@link #SORT_TYPE}.
      * @return Returns a list of trusted devices.
+     * @systemapi this method can be used only by system applications.
      */
     getTrustedDeviceListSync(): Array<DeviceInfo>;
 
+    /**
+     * Obtains a list of trusted devices.
+     *
+     * @since 8
+     * @param callback Indicates the callback to be invoked upon getTrustedDeviceList
+     * @return Returns a list of trusted devices.
+     * @systemapi this method can be used only by system applications.
+     */
+    getTrustedDeviceList(callback:AsyncCallback<Array<DeviceInfo>>): void;
+
+    /**
+     * Obtains a list of trusted devices.
+     *
+     * @since 8
+     * @return Returns a list of trusted devices.
+     * @systemapi this method can be used only by system applications.
+     */
+    getTrustedDeviceList(): Promise<Array<DeviceInfo>>;
+
+    /**
+     * Obtains local device info
+     *
+     * @since 8
+     * @return Returns local device info.
+     * @systemapi this method can be used only by system applications.
+     */
+    getLocalDeviceInfoSync(): DeviceInfo;
+
+    /**
+     * Obtains local device info
+     *
+     * @since 8
+     * @param callback Indicates the callback to be invoked upon getLocalDeviceInfo
+     * @return Returns local device info.
+     * @systemapi this method can be used only by system applications.
+     */
+    getLocalDeviceInfo(callback:AsyncCallback<DeviceInfo>): void;
+
+    /**
+     * Obtains local device info
+     *
+     * @since 8
+     * @return Returns local device info.
+     * @systemapi this method can be used only by system applications.
+     */
+    getLocalDeviceInfo(): Promise<DeviceInfo>;
+
     /**
      * Start to discover device.
      *
@@ -330,12 +386,21 @@ declare namespace deviceManager {
      * Authenticate the specified device.
      *
      * @param deviceInfo deviceInfo of device to authenticate
-     * @param authparam authparam of device to authenticate
+     * @param authParam authParam of device to authenticate
      * @param callback Indicates the callback to be invoked upon authenticateDevice
      * @systemapi this method can be used only by system applications.
      */
     authenticateDevice(deviceInfo: DeviceInfo, authParam: AuthParam, callback: AsyncCallback<{deviceId: string, pinTone ?: number}>): void;
 
+    /**
+     * unAuthenticate the specified device.
+     *
+     * @since 8
+     * @param deviceInfo deviceInfo of device to unAuthenticate
+     * @systemapi this method can be used only by system applications.
+     */
+    unAuthenticateDevice(deviceInfo: DeviceInfo): void
+
      /**
      * verify auth info, such as pin code.
      *
@@ -345,13 +410,13 @@ declare namespace deviceManager {
      */
     verifyAuthInfo(authInfo: AuthInfo, callback: AsyncCallback<{deviceId: string, level: number}>): void;
 
-
     /**
      * Register a device state callback so that the application can be notified upon device state changes based on
      * the application bundle name.
      *
      * @param bundleName Indicates the bundle name of the application.
      * @param callback Indicates the device state callback to register.
+     * @systemapi this method can be used only by system applications.
      */
     on(type: 'deviceStateChange', callback: Callback<{ action: DeviceStateChangeAction, device: DeviceInfo }>): void;
 
@@ -360,6 +425,7 @@ declare namespace deviceManager {
      *
      * @param bundleName Indicates the bundle name of the application.
      * @param callback Indicates the device state callback to register.
+     * @systemapi this method can be used only by system applications.
      */
     off(type: 'deviceStateChange', callback?: Callback<{ action: DeviceStateChangeAction, device: DeviceInfo }>): void;
 
@@ -399,6 +465,7 @@ declare namespace deviceManager {
      * Register a serviceError callback so that the application can be notified when devicemanager service died
      *
      * @param callback Indicates the service error callback to register.
+     * @systemapi this method can be used only by system applications.
      */
     on(type: 'serviceDie', callback: () => void): void;
 
@@ -406,6 +473,7 @@ declare namespace deviceManager {
      * UnRegister a serviceError callback so that the application can be notified when devicemanager service died
      *
      * @param callback Indicates the service error callback to register.
+     * @systemapi this method can be used only by system applications.
      */
     off(type: 'serviceDie', callback?: () => void): void;
   }
diff --git a/api/@ohos.hilog.ts b/api/@ohos.hilog.ts
new file mode 100755
index 0000000000000000000000000000000000000000..75f30d6ea78dc4aca2fffd376ad9b9e5e96c9fe9
--- /dev/null
+++ b/api/@ohos.hilog.ts
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+* Provides interfaces to generate system logs.
+*
+* @devices tv, phone, tablet, wearable, car
+* @since 7
+* @Syscap SystemCapability.HiviewDFX
+*/
+
+declare namespace hilog {
+  /**
+   * Outputs debug-level logs.
+   *
+   * @param domain Indicates the service domain, which is a hexadecimal integer ranging from 0x0 to 0xFFFFF
+   * @param tag Identifies the log tag.
+   * @param format Indicates the log format string.
+   * @param args Indicates the log parameters.
+   * @devices tv, phone, tablet, wearable, car
+   * @since 7
+   */
+  function debug(domain: number, tag: string, format: string, ...args: any[]) : void;
+  /**
+   * Outputs info-level logs.
+   *
+   * @param domain Indicates the service domain, which is a hexadecimal integer ranging from 0x0 to 0xFFFFF
+   * @param tag Identifies the log tag.
+   * @param format Indicates the log format string.
+   * @param args Indicates the log parameters.
+   * @devices tv, phone, tablet, wearable, car
+   * @since 7
+   */
+  function info(domain: number, tag: string, format: string, ...args: any[]) : void;
+  /**
+   * Outputs warning-level logs.
+   *
+   * @param domain Indicates the service domain, which is a hexadecimal integer ranging from 0x0 to 0xFFFFF
+   * @param tag Identifies the log tag.
+   * @param format Indicates the log format string.
+   * @param args Indicates the log parameters.
+   * @devices tv, phone, tablet, wearable, car
+   * @since 7
+   */
+  function warn(domain: number, tag: string, format: string, ...args: any[]) : void;
+  /**
+   * Outputs error-level logs.
+   *
+   * @param domain Indicates the service domain, which is a hexadecimal integer ranging from 0x0 to 0xFFFFF
+   * @param tag Identifies the log tag.
+   * @param format Indicates the log format string.
+   * @param args Indicates the log parameters.
+   * @devices tv, phone, tablet, wearable, car
+   * @since 7
+   */
+  function error(domain: number, tag: string, format: string, ...args: any[]) : void;
+  /**
+   * Outputs fatal-level logs.
+   *
+   * @param domain Indicates the service domain, which is a hexadecimal integer ranging from 0x0 to 0xFFFFF
+   * @param tag Identifies the log tag.
+   * @param format Indicates the log format string.
+   * @param args Indicates the log parameters.
+   * @devices tv, phone, tablet, wearable, car
+   * @since 7
+   */
+  function fatal(domain: number, tag: string, format: string, ...args: any[]) : void;
+  /**
+   * Checks whether logs of the specified tag, and level can be printed.
+   *
+   * @param domain Indicates the service domain, which is a hexadecimal integer ranging from 0x0 to 0xFFFFF
+   * @param tag Identifies the log tag.
+   * @param level log level
+   * @devices tv, phone, tablet, wearable, car
+   * @since 7
+   */
+  function isLoggable(domain: number, tag: string, level: LogLevel) : boolean;
+  /**
+   * Log level define
+   */
+  enum LogLevel {
+      DEBUG = 3,
+      INFO = 4,
+      WARN = 5,
+      ERROR = 6,
+      FATAL = 7,
+  }
+}
+
+export default hilog;
\ No newline at end of file
diff --git a/api/@ohos.multimodalInput.inputConsumer.d.ts b/api/@ohos.multimodalInput.inputConsumer.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..100ba90e03d44426bcdd5753fea580646f83357c
--- /dev/null
+++ b/api/@ohos.multimodalInput.inputConsumer.d.ts
@@ -0,0 +1,72 @@
+/*
+* Copyright (C) 2021 Huawei Device Co., Ltd.
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+import { AsyncCallback } from './basic';
+
+ /**
+ * The event of key input management module is configured to subscribe and unsubscribe system keys.
+ *
+ * @since 8
+ * @sysCap SystemCapability.MultimodalInput.MULTIMODAL_INPUT
+ * @devices phone, tablet, tv, wearable
+ * @import import inputConsumer from '@ohos.multimodalInput.inputConsumer';
+ * @permission N/A
+ */
+
+declare namespace inputConsumer {
+    /**
+     * Defines event of key that user want to subscribe or unsubscribe.
+     *
+     * @sysCap SystemCapability.MultimodalInput.MULTIMODAL_INPUT
+     * @param preKeys The pre-keys that want to subscribe or unsubscribe.
+     * @param finalKey The post position key that want to subscribe or unsubscribe.
+     * @param isFinalKeyDown The final key press down or up.
+     * @param finalKeyDownDuration Duration of final key press.
+     */
+    interface KeyOptions {
+        preKeys: Array<number>;
+        finalKey: number;
+        isFinalKeyDown: boolean;
+        finalKeyDownDuration: number;
+    }
+
+    /**
+     * Subscribe system keys.
+     *
+     * @since 8
+     * @sysCap SystemCapability.MultimodalInput.MULTIMODAL_INPUT
+     * @devices phone, tablet, tv, wearable
+     * @permission N/A
+     * @param type type of the keyevent about input which is to be subscribed.
+     * @param keyOption the key events about input which is to be subscribed.
+     * @param callback callback function, receive reported data.
+     */
+    function on(type: string, keyOption: KeyOptions, callback: AsyncCallback<KeyOptions>): void;
+
+    /**
+     * Subscribe system keys.
+     *
+     * @since 8
+     * @sysCap SystemCapability.MultimodalInput.MULTIMODAL_INPUT
+     * @devices phone, tablet, tv, wearable
+     * @permission N/A
+     * @param type type of the keyevent about input which is to be subscribed.
+     * @param keyOption the key events about input which is to be subscribed.
+     * @param callback callback function, receive reported data.
+     */
+    function off(type: string, keyOption: KeyOptions, callback: AsyncCallback<KeyOptions>): void;
+}
+
+export default inputConsumer;
\ No newline at end of file
diff --git a/api/@ohos.screenshot.d.ts b/api/@ohos.screenshot.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..94f912c24391fab0125559c6b48771623e00fd92
--- /dev/null
+++ b/api/@ohos.screenshot.d.ts
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { AsyncCallback, ErrorCallback } from './basic';
+import image from './@ohos.multimedia.image';
+
+/**
+ * interface for screenshot
+ * @devices tv, phone, tablet, wearable, car
+ * @systemapi Hide this for inner system use.
+ * @since 7
+ */
+declare namespace screenshot {
+    /**
+     * Takes a screenshot and saves it as a PixelMap object
+     * @param options Screenshot options, which consist of screenRect, imageSize, and rotation. You need to set these parameters
+     * @devices tv, phone, tablet, wearable, car
+     * @permission ohos.permission.CAPTURE_SCREEN
+     * @since 7
+     */
+    function save(options?: ScreenshotOptions): Promise<image.PixelMap>;
+
+    /**
+     * Describes the region of the screen to capture
+     * @devices tv, phone, tablet, wearable, car
+     * @since 7
+     */
+    interface Rect {
+        left: number;
+        top: number;
+        width: number;
+        height: number;
+    }
+
+    /**
+     * Describes the size of the screen region to capture
+     * @devices tv, phone, tablet, wearable, car
+     * @since 7
+     */
+    interface Size {
+        width: number;
+        height: number;
+    }
+
+    /**
+     * Describes screenshot options
+     * @devices tv, phone, tablet, wearable, car
+     * @since 7
+     */
+    interface ScreenshotOptions {
+        /**
+         * Region of the screen to capture. If this parameter is null, the full screen will be captured
+         */
+        screenRect?: Rect;
+        /**
+         * Region of the screen to capture. If this parameter is null, the full screen will be captured
+         */
+        imageSize?: Size;
+        /**
+         * Rotation angle of the screenshot. The value can be 0, 90, 180, or 270. The default value is 0
+         */
+        rotation?: number;
+        /**
+         * The specify screen to be captured.
+         * @since 8
+         */
+        displayId?: number;
+    }
+}
+
+export default screenshot;
diff --git a/api/ability/want.d.ts b/api/ability/want.d.ts
index af2183ded2e6bd1db19f78012e18925d70a88482..6935e769631d863e6b09af14c439e1eee7ed7c36 100644
--- a/api/ability/want.d.ts
+++ b/api/ability/want.d.ts
@@ -102,4 +102,22 @@ export declare interface Want {
    * @default -
    */
   entities?: Array<string>;
+
+  /**
+   * The description of a extension ability name in a Want.
+   * @devices phone, tablet
+   * @since 8
+   * @sysCap AAFwk
+   * @default -
+   */
+  extensionAbilityName?: string;
+
+  /**
+   * The description of a extension ability type in a Want.
+   * @devices phone, tablet
+   * @since 8
+   * @sysCap AAFwk
+   * @default -
+   */
+  extensionAbilityType?: number;
 }
\ No newline at end of file
diff --git a/api/application/AbilityContext.d.ts b/api/application/AbilityContext.d.ts
index 3cec14e13d51091937d835afd996c092e1d11450..345363d17e5ce59faf77296a90183b44feb4b241 100644
--- a/api/application/AbilityContext.d.ts
+++ b/api/application/AbilityContext.d.ts
@@ -70,7 +70,8 @@ export default class AbilityContext extends Context {
      * @return Returns the {@link AbilityResult}.
      */
     startAbilityForResult(want: Want, callback: AsyncCallback<AbilityResult>): void;
-    startAbilityForResult(want: Want): Promise<AbilityResult>;
+    startAbilityForResult(want: Want, options: StartOptions, callback: AsyncCallback<AbilityResult>): void;
+    startAbilityForResult(want: Want, options?: StartOptions): Promise<AbilityResult>;
 
     /**
      * Destroys this Page ability.
diff --git a/api/bundle/abilityInfo.d.ts b/api/bundle/abilityInfo.d.ts
index a7cf71866bcd08b934e02b1cf224f4d6624c853f..863800d2907cf274a84ff8aeb3ec8a099ea28f64 100644
--- a/api/bundle/abilityInfo.d.ts
+++ b/api/bundle/abilityInfo.d.ts
@@ -15,6 +15,7 @@
 
 import { ApplicationInfo } from './applicationInfo';
 import { CustomizeData } from './customizeData'
+import { Metadata } from './metadata'
 import bundle from './../@ohos.bundle';
 
 /**
@@ -248,4 +249,18 @@ export interface AbilityInfo {
     * @SysCap SystemCapability.Appexecfwk
     */
   readonly metaData: Array<CustomizeData>;
+
+  /**
+    * @default Indicates the metadata of ability
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly metadata: Array<Metadata>;
+
+  /**
+    * @default Indicates the metadata of ability
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+   readonly enabled: boolean;
 }
diff --git a/api/bundle/applicationInfo.d.ts b/api/bundle/applicationInfo.d.ts
index d57fbd7bc891e561202c1dbc797aa4d1e09fb394..49c2482bfabd24e22a0065449d6dfecea731d8b7 100644
--- a/api/bundle/applicationInfo.d.ts
+++ b/api/bundle/applicationInfo.d.ts
@@ -15,6 +15,7 @@
 
 import { ModuleInfo } from './moduleInfo';
 import { CustomizeData } from './customizeData'
+import { Metadata } from './metadata'
 
 /**
  * @name Obtains configuration information about an application
@@ -148,12 +149,40 @@ export interface ApplicationInfo {
     * @since 8
     * @SysCap SystemCapability.Appexecfwk
     */
-   readonly metaData: Map<string, Array<CustomizeData>>;
+  readonly metaData: Map<string, Array<CustomizeData>>;
+
+  /**
+    * @default Indicates the metadata of module
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly metadata: Array<Metadata>
 
   /**
     * @default Indicates whether or not this application may be removable
     * @since 8
     * @SysCap SystemCapability.Appexecfwk
     */
-   readonly removable: boolean;
+  readonly removable: boolean;
+
+  /**
+    * @default Indicates the access token of the application
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly accessTokenId: number;
+
+  /**
+    * @default Indicates the uid of the application
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly uid: number;
+
+  /**
+    * @default Indicates entity type of the application
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly entityType: string;
 }
\ No newline at end of file
diff --git a/api/bundle/bundleInfo.d.ts b/api/bundle/bundleInfo.d.ts
index 6353eaef993782219ad6861054cf73d4e256c9e2..09072dff6a2d2e6b60767f92f2b4a1ef4c08d08a 100644
--- a/api/bundle/bundleInfo.d.ts
+++ b/api/bundle/bundleInfo.d.ts
@@ -15,6 +15,7 @@
 
 import { AbilityInfo } from './abilityInfo';
 import { ApplicationInfo } from './applicationInfo';
+import { ExtensionAbilityInfo } from './extensionAbilityInfo';
 import { HapModuleInfo } from './hapModuleInfo';
 
 /**
@@ -234,4 +235,18 @@ export interface BundleInfo {
     * @SysCap SystemCapability.Appexecfwk
     */
   readonly entryInstallationFree: boolean;
+
+  /**
+    * @default Indicates whether free installation of the entry is supported
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly reqPermissionStates: Array<number>;
+
+  /**
+    * @default Obtains configuration information about an ability
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly extensionAbilityInfo: Array<ExtensionAbilityInfo>;
 }
diff --git a/api/bundle/extensionAbilityInfo.d.ts b/api/bundle/extensionAbilityInfo.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..57888bb5c5801834f3c049385dae13fab73db5d7
--- /dev/null
+++ b/api/bundle/extensionAbilityInfo.d.ts
@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { ApplicationInfo } from './applicationInfo';
+import { Metadata } from './metadata'
+import bundle from './../@ohos.bundle';
+
+/**
+ * @name Obtains extension information about a bundle
+ * @since 8
+ * @SysCap SystemCapability.Appexecfwk
+ * @permission NA
+ * @devices phone, tablet, tv, wearable, car
+ */
+export interface ExtensionAbilityInfo {
+  /**
+    * @default Indicates the name of the bundle
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly bundleName: string;
+
+  /**
+    * @default Indicates the name of the module
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly moduleName: string;
+
+  /**
+    * @default Indicates the name of the extension info
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly name: string;
+
+  /**
+    * @default Indicates the label id of the entension info
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly labelId: number;
+
+  /**
+    * @default Indicates the description id of the entension info
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly descriptionId: number;
+
+  /**
+    * @default Indicates the icon id of the entension info
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly iconId: number;
+
+  /**
+    * @default Indicates whether the entensionInfo can be visible or not
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly isVisible: boolean;
+
+  /**
+    * @default Enumerates types of the entension info
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly extensionAbilityType: bundle.ExtensionAbilityType;
+
+  /**
+    * @default The permissions that others need to use this extension info
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly permissions: Array<string>;
+
+  /**
+    * @default Obtains configuration information about an application
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly applicationInfo: ApplicationInfo;
+
+  /**
+    * @default Indicates the metadata of bundle
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly metadata: Array<Metadata>;
+
+  /**
+    * @default Indicates the src language to express extension info
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly enabled: boolean;
+
+  /**
+    * @default Indicates the read permission extension ability info
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly readPermission: string;
+
+  /**
+    * @default Indicates the write permission of extension ability info
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly writePermission: string;
+}
diff --git a/api/bundle/hapModuleInfo.d.ts b/api/bundle/hapModuleInfo.d.ts
index a62a66955d341a076b9600c522bf4c14e2ae7be9..067bc267565489d14a9416fcc2c90ec5df94d19a 100644
--- a/api/bundle/hapModuleInfo.d.ts
+++ b/api/bundle/hapModuleInfo.d.ts
@@ -14,6 +14,7 @@
  */
 
 import { AbilityInfo } from "./abilityInfo";
+import { ExtensionAbilityInfo } from "./extensionAbilityInfo";
 
 /**
  * @name Obtains configuration information about an module.
@@ -113,4 +114,18 @@ export interface HapModuleInfo {
     * @SysCap SystemCapability.Appexecfwk
     */
   readonly installationFree: boolean;
+
+  /**
+    * @default Indicates main elementName of the module
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly mainElementName: string;
+
+  /**
+    * @default Obtains configuration information about extension ability
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+  readonly extensionAbilityInfo: Array<ExtensionAbilityInfo>;
 }
\ No newline at end of file
diff --git a/api/bundle/metadata.d.ts b/api/bundle/metadata.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..43f3dba9ea744431b316ab16dabe74de668e38d1
--- /dev/null
+++ b/api/bundle/metadata.d.ts
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+ /**
+ * @name Indicates the Metadata
+ * @since 8
+ * @SysCap SystemCapability.Appexecfwk
+ * @permission NA
+ * @devices phone, tablet, tv, wearable, car
+ */
+  export interface Metadata {
+    /**
+      * @default Indicates the metadata name
+      * @since 8
+      * @SysCap SystemCapability.Appexecfwk
+      */
+    name: string;
+
+    /**
+      * @default Indicates the metadata value
+      * @since 8
+      * @SysCap SystemCapability.Appexecfwk
+      */
+    value: string;
+
+    /**
+    * @default Indicates the metadata resource
+    * @since 8
+    * @SysCap SystemCapability.Appexecfwk
+    */
+    resource: string;
+  }
\ No newline at end of file