diff --git a/api/@ohos.application.abilityDelegatorRegistry.d.ts b/api/@ohos.application.abilityDelegatorRegistry.d.ts
index c21a8cc64ede0a8d5e28226ba6dc2087d3b8ff97..c2fa8b68e6bd28f59065e8c2208ac58e34295bf9 100644
--- a/api/@ohos.application.abilityDelegatorRegistry.d.ts
+++ b/api/@ohos.application.abilityDelegatorRegistry.d.ts
@@ -20,7 +20,7 @@ import { AbilityDelegatorArgs } from './application/abilityDelegatorArgs'
  * A global register used to store the AbilityDelegator and AbilityDelegatorArgs objects registered
  * during application startup.
  *
- * @since 9
+ * @since 8
  * @syscap SystemCapability.Ability.AbilityRuntime.Core
  * @import import AbilityDelegatorRegistry from '@ohos.application.abilityDelegatorRegistry'
  * @permission N/A
@@ -29,7 +29,7 @@ declare namespace abilityDelegatorRegistry {
     /**
      * Get the AbilityDelegator object of the application.
      *
-     * @since 9
+     * @since 8
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      * @return the AbilityDelegator object initialized when the application is started.
      */
@@ -38,7 +38,7 @@ declare namespace abilityDelegatorRegistry {
     /**
      * Get unit test parameters stored in the AbilityDelegatorArgs object.
      *
-     * @since 9
+     * @since 8
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      * @return the previously registered AbilityDelegatorArgs object.
      */
@@ -47,7 +47,7 @@ declare namespace abilityDelegatorRegistry {
     /**
      * Describes all lifecycle states of an ability.
      *
-     * @since 9
+     * @since 8
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      */
     export enum AbilityLifecycleState {
diff --git a/api/@ohos.application.testRunner.d.ts b/api/@ohos.application.testRunner.d.ts
index 58593017d019b48e98981fd1e5218d61cc7e77c8..dc8e559d3f4cde6916a2d229946f69e6a9d74a49 100644
--- a/api/@ohos.application.testRunner.d.ts
+++ b/api/@ohos.application.testRunner.d.ts
@@ -17,7 +17,7 @@
  * Base class for the test framework.
  * If you want to implement your own unit test framework, you must inherit this class and overrides all its methods.
  *
- * @since 9
+ * @since 8
  * @syscap SystemCapability.Ability.AbilityRuntime.Core
  * @import import TestRunner from '@ohos.application.testRunner'
  * @permission N/A
@@ -26,7 +26,7 @@ export interface TestRunner {
     /**
      * Prepare the unit testing environment for running test cases.
      *
-     * @since 9
+     * @since 8
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      */
     onPrepare(): void;
@@ -34,7 +34,7 @@ export interface TestRunner {
     /**
      * Run all test cases.
      *
-     * @since 9
+     * @since 8
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      */
     onRun(): void;
diff --git a/api/application/abilityDelegator.d.ts b/api/application/abilityDelegator.d.ts
index 8f48ca1ad1e32788ac2727da7bf573bca17d33bd..597b5a76f8ae0e6908b3d075f228e027507031e3 100644
--- a/api/application/abilityDelegator.d.ts
+++ b/api/application/abilityDelegator.d.ts
@@ -22,7 +22,7 @@ import { ShellCmdResult } from './shellCmdResult'
 /**
  * A global test utility interface used for adding AbilityMonitor objects and control lifecycle states of abilities.
  *
- * @since 9
+ * @since 8
  * @syscap SystemCapability.Ability.AbilityRuntime.Core
  * @import import AbilityDelegator from 'application/abilityDelegator.d'
  * @permission N/A
@@ -116,7 +116,7 @@ export interface AbilityDelegator {
      * Prints log information to the unit testing console.
      * The total length of the log information to be printed cannot exceed 1000 characters.
      *
-     * @since 9
+     * @since 8
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      * @param msg Log information
      */
@@ -126,7 +126,7 @@ export interface AbilityDelegator {
     /**
      * Execute the given command in the aa tools side.
      *
-     * @since 9
+     * @since 8
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      * @param cmd Shell command
      * @param timeoutSecs Timeout, in seconds
@@ -140,7 +140,7 @@ export interface AbilityDelegator {
      * Prints log information to the unit testing console.
      * The total length of the log information to be printed cannot exceed 1000 characters.
      *
-     * @since 9
+     * @since 8
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      * @hide
      * @param msg Log information
diff --git a/api/application/abilityDelegatorArgs.d.ts b/api/application/abilityDelegatorArgs.d.ts
index 321a68e0d256c10e48f33031dafaff2138b24167..f140bc13d89c9c29c89e85b85b480d4cd9522b95 100644
--- a/api/application/abilityDelegatorArgs.d.ts
+++ b/api/application/abilityDelegatorArgs.d.ts
@@ -17,7 +17,7 @@
 /**
  * Store unit testing-related parameters, including test case names, and test runner name.
  *
- * @since 9
+ * @since 8
  * @syscap SystemCapability.Ability.AbilityRuntime.Core
  * @import import AbilityDelegatorArgs from 'application/abilityDelegatorArgs.d'
  * @permission N/A
@@ -26,7 +26,7 @@ export interface AbilityDelegatorArgs {
     /**
      * the bundle name of the application being tested.
      *
-     * @since 9
+     * @since 8
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      */
     bundleName: string;
@@ -34,7 +34,7 @@ export interface AbilityDelegatorArgs {
     /**
      * the parameters used for unit testing.
      *
-     * @since 9
+     * @since 8
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      */
     parameters: {[key: string]: string};
@@ -42,7 +42,7 @@ export interface AbilityDelegatorArgs {
     /**
      * the class names of all test cases.
      *
-     * @since 9
+     * @since 8
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      */
     testCaseNames: string;
@@ -50,7 +50,7 @@ export interface AbilityDelegatorArgs {
     /**
      * the class name of the test runner used to execute test cases.
      *
-     * @since 9
+     * @since 8
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      */
     testRunnerClassName: string;
diff --git a/api/application/shellCmdResult.d.ts b/api/application/shellCmdResult.d.ts
index b8cc3f894a8eb9629dbcd60d3d53d6a1d60ed076..78e64926aba74fcb5ac9ee25788916e4a13b6c02 100644
--- a/api/application/shellCmdResult.d.ts
+++ b/api/application/shellCmdResult.d.ts
@@ -16,7 +16,7 @@
 /**
  * A object that records the result of shell command executes.
  *
- * @since 9
+ * @since 8
  * @syscap SystemCapability.Ability.AbilityRuntime.Core
  * @import import ShellCmdResult from 'application/shellCmdResult.d'
  * @permission N/A
@@ -25,7 +25,7 @@ export interface ShellCmdResult {
     /**
      * the cmd standard result.
      *
-     * @since 9
+     * @since 8
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      */
     stdResult: String;
@@ -33,7 +33,7 @@ export interface ShellCmdResult {
     /**
      * shell cmd exec result.
      *
-     * @since 9
+     * @since 8
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      */
     exitCode: number;