diff --git a/api/@ohos.account.appAccount.d.ts b/api/@ohos.account.appAccount.d.ts
index 2d4f53cb3673bc15786d47426c787e0249d0b214..c1490aa5bea7678bc68412504f0ed59350ca543a 100644
--- a/api/@ohos.account.appAccount.d.ts
+++ b/api/@ohos.account.appAccount.d.ts
@@ -384,9 +384,7 @@ declare namespace appAccount {
          * <li>Accounts of third-party applications. To obtain such information,
          * your application must have gained authorization from the third-party applications.</li>
          * </ul>
-         * @permission ohos.permission.GET_ALL_APP_ACCOUNTS
          * @returns Returns a list of application accounts.
-         * @throws {BusinessError} 201 - permission denied.
          * @throws {BusinessError} 401 - the parameter check failed.
          * @throws {BusinessError} 12300001 - system service exception.
          * @since 9
@@ -422,10 +420,8 @@ declare namespace appAccount {
          * <li>Accounts of third-party applications. To obtain such information,
          * your application must have gained authorization from the third-party applications.</li>
          * </ul>
-         * @permission ohos.permission.GET_ALL_APP_ACCOUNTS
          * @param owner Indicates the account owner of your application or third-party applications.
          * @returns Returns a list of application accounts.
-         * @throws {BusinessError} 201 - permission denied.	
          * @throws {BusinessError} 401 - the parameter check failed.
          * @throws {BusinessError} 12300001 - system service exception.
          * @throws {BusinessError} 12300002 - invalid owner.
diff --git a/api/@ohos.account.osAccount.d.ts b/api/@ohos.account.osAccount.d.ts
index 574bbda91391b9e5b7e601407c23664af82cb7dd..8d4c209e3b9cb72f219e727c4896fae00b3650be 100644
--- a/api/@ohos.account.osAccount.d.ts
+++ b/api/@ohos.account.osAccount.d.ts
@@ -1054,7 +1054,7 @@ declare namespace osAccount {
      * Provides the management of credential inputers. 
      * @name InputerManager
      * @syscap SystemCapability.Account.OsAccount
-     * @since 10
+     * @since 9
      */
     class InputerManager {
         /**
@@ -1070,9 +1070,9 @@ declare namespace osAccount {
          * @throws {BusinessError} 12300103 - the credential inputer has been registered.
          * @throws {BusinessError} 12300106 - unsupported authType.
          * @systemapi Hide this for inner system use.
-         * @since 10
+         * @since 9
          */
-        registerInputer(authType: AuthType, inputer: IInputer): void;
+        static registerInputer(authType: AuthType, inputer: IInputer): void;
 
         /**
          * Unregister credential inputer by authentication type.
@@ -1083,9 +1083,62 @@ declare namespace osAccount {
          * @throws {BusinessError} 401 - the parameter check failed.
          * @throws {BusinessError} 12300002 - invalid authType.
          * @systemapi Hide this for inner system use.
-         * @since 10
+         * @since 9
          */
-        unregisterInputer(authType: AuthType): void;
+        static unregisterInputer(authType: AuthType): void;
+    }
+
+    /**
+     * Provides the definition of domain plugin.
+     *
+     * @name DomainPlugin
+     * @syscap SystemCapability.Account.OsAccount
+     * @since 9
+     */
+    interface DomainPlugin {
+        /**
+         * Authenticates the specified domain account.
+         *
+         * @param domainAccountInfo Indicates the domain account information for authentication.
+         * @param credential Indicates the credential for authentication.
+         * @param callback Indicates the authentication callback.
+         * @systemapi Hide this for inner system use.
+         * @since 9
+         */
+        auth(domainAccountInfo: DomainAccountInfo, credential: Uint8Array, callback: IUserAuthCallback): void;
+    }
+
+    /**
+     * Provides abilities for the management of domain account.
+     * @name DomainAccountManager
+     * @syscap SystemCapability.Account.OsAccount
+     * @since 9
+     */
+    class DomainAccountManager {
+        /**
+         * Registers the domain plugin, which provides the capabilities for domain authentication.
+         *
+         * @permission ohos.permission.MANAGE_LOCAL_ACCOUNTS
+         * @param plugin Indicates the domain plugin.
+         * @throws {BusinessError} 201 - permission denied.
+         * @throws {BusinessError} 202 - not system application.
+         * @throws {BusinessError} 401 - the parameter check failed.
+         * @throws {BusinessError} 12300104 - the domain plugin has been registered.
+         * @systemapi Hide this for inner system use.
+         * @since 9
+         */
+        static registerPlugin(plugin: DomainPlugin): void;
+
+        /**
+         * Unregister domain plugin.
+         *
+         * @permission ohos.permission.MANAGE_LOCAL_ACCOUNTS
+         * @throws {BusinessError} 201 - permission denied.
+         * @throws {BusinessError} 202 - not system application.
+         * @systemapi Hide this for inner system use.
+         * @since 9
+         */
+        static unregisterPlugin(): void;
     }
 
     /**
@@ -1565,7 +1618,7 @@ declare namespace osAccount {
 
         /**
          * Indicates the DOMAIN authentication type.
-         * @since 10
+         * @since 9
          */
         DOMAIN = 1024
     }
@@ -1605,7 +1658,7 @@ declare namespace osAccount {
 
         /**
          * Indicates the mixed domain credential.
-         * @since 10
+         * @since 9
          */
         DOMAIN_MIXED = 10240001
     }