diff --git a/api/@ohos.application.testRunner.d.ts b/api/@ohos.application.testRunner.d.ts
index ea86d1c15bdffb3c8d6cba4fe063a05a8d754121..eeaac9de0f58bb5538d8aa370ca402274d6dc079 100644
--- a/api/@ohos.application.testRunner.d.ts
+++ b/api/@ohos.application.testRunner.d.ts
@@ -48,11 +48,20 @@ interface TestRunner {
    *
    * @syscap SystemCapability.Ability.AbilityRuntime.Core
    * @atomicservice
-   * @since arkts {'1.1':'11', '1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 11
    */
   onPrepare(): void;
 
+  /**
+   * Prepare the unit testing environment for running test cases.
+   *
+   * @syscap SystemCapability.Ability.AbilityRuntime.Core
+   * @atomicservice
+   * @since 20
+   * @arkts 1.2
+   */
+  onPrepare: () => void;
+
   /**
    * Run all test cases.
    *
@@ -64,10 +73,19 @@ interface TestRunner {
    *
    * @syscap SystemCapability.Ability.AbilityRuntime.Core
    * @atomicservice
-   * @since arkts {'1.1':'11', '1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 11
    */
   onRun(): void;
+
+  /**
+   * Run all test cases.
+   *
+   * @syscap SystemCapability.Ability.AbilityRuntime.Core
+   * @atomicservice
+   * @since 20
+   * @arkts 1.2
+   */
+  onRun: () => void;
 }
 
 /*** if arkts 1.1 */