diff --git a/api/@ohos.account.osAccount.d.ts b/api/@ohos.account.osAccount.d.ts
index 1c32948cc15bd2a92ebacb2c6280d46ac8ee523a..68e1229c90d478feb38d7e4ec28177283b1d9d55 100644
--- a/api/@ohos.account.osAccount.d.ts
+++ b/api/@ohos.account.osAccount.d.ts
@@ -2612,6 +2612,24 @@ declare namespace osAccount {
      * @systemapi Hide this for inner system use.
      * @since 12
      */
+    /**
+     * Prepares remote authentication.
+     *
+     * @permission ohos.permission.ACCESS_USER_AUTH_INTERNAL
+     * @param { string } remoteNetworkId - Indicates the remote network identifier.
+     * @returns { Promise<void> } The promise returned by the function.
+     * @throws { BusinessError } 201 - Permission denied.
+     * @throws { BusinessError } 202 - Not system application.
+     * @throws { BusinessError } 12300001 - System service exception.
+     * @throws { BusinessError } 12300002 - Invalid remoteNetworkId.
+     * @throws { BusinessError } 12300090 - Cross-device capability not supported.
+     * @throws { BusinessError } 12300091 - Cross-device communication failed.
+     * @throws { BusinessError } 12300111 - Operation timeout.
+     * @syscap SystemCapability.Account.OsAccount
+     * @systemapi
+     * @since 20
+     * @arkts 1.1&1.2
+     */
     prepareRemoteAuth(remoteNetworkId: string): Promise<void>;
 
     /**
@@ -2673,6 +2691,41 @@ declare namespace osAccount {
      * @systemapi Hide this for inner system use.
      * @since 12
      */
+    /**
+     * Executes authentication.
+     *
+     * @permission ohos.permission.ACCESS_USER_AUTH_INTERNAL
+     * @param { Uint8Array } challenge - Indicates the challenge value.
+     * @param { AuthType } authType - Indicates the authentication type.
+     * @param { AuthTrustLevel } authTrustLevel - Indicates the trust level of authentication result.
+     * @param { IUserAuthCallback } callback - Indicates the callback to get result and acquireInfo.
+     * @returns { Uint8Array } Returns a context ID for cancellation.
+     * @throws { BusinessError } 201 - Permission denied.
+     * @throws { BusinessError } 202 - Not system application.
+     * @throws { BusinessError } 12300001 - The system service works abnormally.
+     * @throws { BusinessError } 12300002 - Invalid challenge, authType or authTrustLevel.
+     * @throws { BusinessError } 12300013 - Network exception.
+     * @throws { BusinessError } 12300020 - Device hardware abnormal.
+     * @throws { BusinessError } 12300090 - Cross-device capability not supported.
+     * @throws { BusinessError } 12300091 - Cross-device communication failed.
+     * @throws { BusinessError } 12300101 - The credential is incorrect.
+     * @throws { BusinessError } 12300102 - The credential does not exist.
+     * @throws { BusinessError } 12300105 - The trust level is not supported.
+     * @throws { BusinessError } 12300106 - The authentication type is not supported.
+     * @throws { BusinessError } 12300109 - The authentication, enrollment, or update operation is canceled.
+     * @throws { BusinessError } 12300110 - The authentication is locked.
+     * @throws { BusinessError } 12300111 - The authentication timeout.
+     * @throws { BusinessError } 12300112 - The authentication service is busy.
+     * @throws { BusinessError } 12300113 - The authentication service does not exist.
+     * @throws { BusinessError } 12300114 - The authentication service works abnormally.
+     * @throws { BusinessError } 12300117 - PIN is expired.
+     * @throws { BusinessError } 12300119 - Multi-factor authentication failed.
+     * @throws { BusinessError } 12300211 - Server unreachable.
+     * @syscap SystemCapability.Account.OsAccount
+     * @systemapi
+     * @since 20
+     * @arkts 1.1&1.2
+     */
     auth(
       challenge: Uint8Array,
       authType: AuthType,
@@ -2714,6 +2767,43 @@ declare namespace osAccount {
      * @systemapi Hide this for inner system use.
      * @since 12
      */
+    /**
+     * Executes authentication.
+     *
+     * @permission ohos.permission.ACCESS_USER_AUTH_INTERNAL
+     * @param { Uint8Array } challenge - Indicates the challenge value.
+     * @param { AuthType } authType - Indicates the authentication type.
+     * @param { AuthTrustLevel } authTrustLevel - Indicates the trust level of authentication result.
+     * @param { AuthOptions } options - Indicates authentication options.
+     * @param { IUserAuthCallback } callback - Indicates the callback to get result and acquireInfo.
+     * @returns { Uint8Array } Returns a context ID for cancellation.
+     * @throws { BusinessError } 201 - Permission denied.
+     * @throws { BusinessError } 202 - Not system application.
+     * @throws { BusinessError } 12300001 - The system service works abnormally.
+     * @throws { BusinessError } 12300002 - Invalid challenge, authType, authTrustLevel or options.
+     * @throws { BusinessError } 12300003 - Account not found.
+     * @throws { BusinessError } 12300013 - Network exception.
+     * @throws { BusinessError } 12300020 - Device hardware abnormal.
+     * @throws { BusinessError } 12300090 - Cross-device capability not supported.
+     * @throws { BusinessError } 12300091 - Cross-device communication failed.
+     * @throws { BusinessError } 12300101 - The credential is incorrect.
+     * @throws { BusinessError } 12300102 - The credential does not exist.
+     * @throws { BusinessError } 12300105 - The trust level is not supported.
+     * @throws { BusinessError } 12300106 - The authentication type is not supported.
+     * @throws { BusinessError } 12300109 - The authentication, enrollment, or update operation is canceled.
+     * @throws { BusinessError } 12300110 - The authentication is locked.
+     * @throws { BusinessError } 12300111 - The authentication timeout.
+     * @throws { BusinessError } 12300112 - The authentication service is busy.
+     * @throws { BusinessError } 12300113 - The authentication service does not exist.
+     * @throws { BusinessError } 12300114 - The authentication service works abnormally.
+     * @throws { BusinessError } 12300117 - PIN is expired.
+     * @throws { BusinessError } 12300119 - Multi-factor authentication failed.
+     * @throws { BusinessError } 12300211 - Server unreachable.
+     * @syscap SystemCapability.Account.OsAccount
+     * @systemapi
+     * @since 20
+     * @arkts 1.1&1.2
+     */
     auth(
       challenge: Uint8Array,
       authType: AuthType,
@@ -2784,6 +2874,43 @@ declare namespace osAccount {
      * @systemapi Hide this for inner system use.
      * @since 12
      */
+    /**
+     * Executes user authentication.
+     *
+     * @permission ohos.permission.ACCESS_USER_AUTH_INTERNAL
+     * @param { number } userId - Indicates the user identification.
+     * @param { Uint8Array } challenge - Indicates the challenge value.
+     * @param { AuthType } authType - Indicates the authentication type.
+     * @param { AuthTrustLevel } authTrustLevel - Indicates the trust level of authentication result.
+     * @param { IUserAuthCallback } callback - Indicates the callback to get result and acquireInfo.
+     * @returns { Uint8Array } Returns a context ID for cancellation.
+     * @throws { BusinessError } 201 - Permission denied.
+     * @throws { BusinessError } 202 - Not system application.
+     * @throws { BusinessError } 12300001 - The system service works abnormally.
+     * @throws { BusinessError } 12300002 - Invalid challenge, authType or authTrustLevel.
+     * @throws { BusinessError } 12300003 - Account not found.
+     * @throws { BusinessError } 12300013 - Network exception.
+     * @throws { BusinessError } 12300020 - Device hardware abnormal.
+     * @throws { BusinessError } 12300090 - Cross-device capability not supported.
+     * @throws { BusinessError } 12300091 - Cross-device communication failed.
+     * @throws { BusinessError } 12300101 - The credential is incorrect.
+     * @throws { BusinessError } 12300102 - The credential does not exist.
+     * @throws { BusinessError } 12300105 - The trust level is not supported.
+     * @throws { BusinessError } 12300106 - The authentication type is not supported.
+     * @throws { BusinessError } 12300109 - The authentication, enrollment, or update operation is canceled.
+     * @throws { BusinessError } 12300110 - The authentication is locked.
+     * @throws { BusinessError } 12300111 - The authentication timeout.
+     * @throws { BusinessError } 12300112 - The authentication service is busy.
+     * @throws { BusinessError } 12300113 - The authentication service does not exist.
+     * @throws { BusinessError } 12300114 - The authentication service works abnormally.
+     * @throws { BusinessError } 12300117 - PIN is expired.
+     * @throws { BusinessError } 12300119 - Multi-factor authentication failed.
+     * @throws { BusinessError } 12300211 - Server unreachable.
+     * @syscap SystemCapability.Account.OsAccount
+     * @systemapi
+     * @since 20
+     * @arkts 1.1&1.2
+     */
     authUser(
       userId: number,
       challenge: Uint8Array,
@@ -3475,6 +3602,8 @@ declare namespace osAccount {
      * @param { DomainAccountInfo } newAccountInfo - Indicates the new domain account information.
      * @returns { Promise<void> } The promise returned by the function.
      * @throws { BusinessError } 201 - Permission denied.
+     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+     * <br> 2. Incorrect parameter types.
      * @throws { BusinessError } 801 - Capability not supported.
      * @throws { BusinessError } 12300001 - The system service works abnormally.
      * @throws { BusinessError } 12300002 - The new account info is invalid.
@@ -3655,6 +3784,8 @@ declare namespace osAccount {
      * @param { Record<string, Object> } parameters - Indicates the server config parameters.
      * @returns { Promise<DomainServerConfig> } Returns the added domain server config.
      * @throws { BusinessError } 201 - Permission denied.
+     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+     * <br> 2. Incorrect parameter types.
      * @throws { BusinessError } 801 - Capability not supported.
      * @throws { BusinessError } 12300001 - The system service works abnormally.
      * @throws { BusinessError } 12300002 - Invalid server config parameters.
@@ -3674,6 +3805,8 @@ declare namespace osAccount {
      * @param { string } configId - Indicates the server config identifier.
      * @returns { Promise<void> } Returns void.
      * @throws { BusinessError } 201 - Permission denied.
+     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+     * <br> 2. Incorrect parameter types.
      * @throws { BusinessError } 801 - Capability not supported.
      * @throws { BusinessError } 12300001 - The system service works abnormally.
      * @throws { BusinessError } 12300212 - Server config not found.
@@ -3692,6 +3825,8 @@ declare namespace osAccount {
      * @param { Record<string, Object> } parameters - Indicates the server config parameters.
      * @returns { Promise<DomainServerConfig> } Returns the updated domain server config.
      * @throws { BusinessError } 201 - Permission denied.
+     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+     * <br> 2. Incorrect parameter types.
      * @throws { BusinessError } 801 - Capability not supported.
      * @throws { BusinessError } 12300001 - The system service works abnormally.
      * @throws { BusinessError } 12300002 - Invalid server config parameters.
@@ -3712,6 +3847,8 @@ declare namespace osAccount {
      * @param { string } configId - Indicates the server config identifier.
      * @returns { Promise<DomainServerConfig> } Returns the server config.
      * @throws { BusinessError } 201 - Permission denied.
+     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+     * <br> 2. Incorrect parameter types.
      * @throws { BusinessError } 801 - Capability not supported.
      * @throws { BusinessError } 12300001 - The system service works abnormally.
      * @throws { BusinessError } 12300212 - Server config not found.
@@ -3742,6 +3879,8 @@ declare namespace osAccount {
      * @param { DomainAccountInfo } domainAccountInfo - Indicates the domain account information.
      * @returns { Promise<DomainServerConfig> } Returns the domain server config.
      * @throws { BusinessError } 201 - Permission denied.
+     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+     * <br> 2. Incorrect parameter types.
      * @throws { BusinessError } 801 - Capability not supported.
      * @throws { BusinessError } 12300001 - The system service works abnormally.
      * @throws { BusinessError } 12300003 - Domain account not found.