diff --git a/api/@ohos.application.abilityManager.d.ts b/api/@ohos.application.abilityManager.d.ts
index a7a44ce1e9a4c0cd72c316ae9cfde377f74a087f..a35eebd58311a8ce2ebcd8102ae9b4c09abf6649 100644
--- a/api/@ohos.application.abilityManager.d.ts
+++ b/api/@ohos.application.abilityManager.d.ts
@@ -24,10 +24,10 @@ import { ElementName }  from './bundle/elementName';
  *
  * @since 8
  * @syscap SystemCapability.Ability.AbilityRuntime.Core
+ * @systemapi Hide this for inner system use
  * @permission N/A
  */
 declare namespace abilityManager {
-
     /**
      * @name AbilityState
      * @since 8
@@ -68,16 +68,16 @@ declare namespace abilityManager {
     function getAbilityRunningInfos(): Promise<Array<AbilityRunningInfo>>;
     function getAbilityRunningInfos(callback: AsyncCallback<Array<AbilityRunningInfo>>): void;
 
-     /**
-      * Get information about running extensions
-      *
-      * @since 9
-      * @syscap SystemCapability.Ability.AbilityRuntime.Core
-      * @param upperLimit Get the maximum limit of the number of messages
-      * @systemapi Hide this for inner system use.
-      * @return Returns the array of {@link ExtensionRunningInfo}.
-      * @permission ohos.permission.GET_RUNNING_INFO
-      */
+    /**
+     * Get information about running extensions
+     *
+     * @since 9
+     * @syscap SystemCapability.Ability.AbilityRuntime.Core
+     * @param upperLimit Get the maximum limit of the number of messages
+     * @systemapi Hide this for inner system use.
+     * @return Returns the array of {@link ExtensionRunningInfo}.
+     * @permission ohos.permission.GET_RUNNING_INFO
+     */
     function getExtensionRunningInfos(upperLimit: number): Promise<Array<ExtensionRunningInfo>>;
     function getExtensionRunningInfos(upperLimit: number, callback: AsyncCallback<Array<ExtensionRunningInfo>>): void;
 
@@ -89,26 +89,26 @@ declare namespace abilityManager {
      * @systemapi Hide this for inner system use.
      * @return Returns the {@link ElementName} info of the top ability.
      */
-   function getTopAbility(): Promise<ElementName>;
-   function getTopAbility(callback: AsyncCallback<ElementName>): void;
+    function getTopAbility(): Promise<ElementName>;
+    function getTopAbility(callback: AsyncCallback<ElementName>): void;
 
-   /**
-   * The class of an ability running information.
-   *
-   * @since 9
-   * @syscap SystemCapability.Ability.AbilityRuntime.Core
-   * @systemapi hide this for inner system use
-   */
-   export type AbilityRunningInfo = _AbilityRunningInfo
+    /**
+     * The class of an ability running information.
+     *
+     * @since 9
+     * @syscap SystemCapability.Ability.AbilityRuntime.Core
+     * @systemapi hide this for inner system use
+     */
+    export type AbilityRunningInfo = _AbilityRunningInfo
 
-  /**
-   * The class of an extension running information.
-   *
-   * @since 9
-   * @syscap SystemCapability.Ability.AbilityRuntime.Core
-   * @systemapi hide this for inner system use
-   */
-   export type ExtensionRunningInfo = _ExtensionRunningInfo
+    /**
+     * The class of an extension running information.
+     *
+     * @since 9
+     * @syscap SystemCapability.Ability.AbilityRuntime.Core
+     * @systemapi hide this for inner system use
+     */
+    export type ExtensionRunningInfo = _ExtensionRunningInfo
 }
 
 export default abilityManager;
\ No newline at end of file
diff --git a/api/application/FormExtensionContext.d.ts b/api/application/FormExtensionContext.d.ts
index db22ad84756c52349481e2fd5d507d34a6d8c711..ac4a4f204c19665c0458fb16243cd27c58e12797 100644
--- a/api/application/FormExtensionContext.d.ts
+++ b/api/application/FormExtensionContext.d.ts
@@ -24,20 +24,20 @@ import Want from '../@ohos.application.Want';
  *
  * @since 9
  * @syscap SystemCapability.Ability.Form
+ * @systemapi hide for inner use
  * @permission N/A
  * @StageModelOnly
  */
 export default class FormExtensionContext extends ExtensionContext {
-
     /**
      * start an ability within the same bundle.
      *
      * @since 9
      * @syscap SystemCapability.Ability.Form
+     * @systemapi hide for inner use
      * @param want includes ability name, parameters and relative info sending to an ability.
      * @return -
      * @StageModelOnly
-     * @systemapi hide for inner use
      */
     startAbility(want: Want, callback: AsyncCallback<void>): void;
     startAbility(want: Want): Promise<void>;
diff --git a/api/common/lite/featureability.d.ts b/api/common/lite/featureability.d.ts
index 014cbb7538d408c8d24df4e8bab19f4f62256651..9932df405a3b4b7d9c5e2dd9d62f386c01744934 100644
--- a/api/common/lite/featureability.d.ts
+++ b/api/common/lite/featureability.d.ts
@@ -116,6 +116,7 @@ export interface SubscribeMessageOptions {
 
 /**
  * @since 5
+ * @systemapi
  * @deprecated since 8
  */
 export declare class FeatureAbility {