diff --git a/api/@ohos.application.testRunner.d.ts b/api/@ohos.application.testRunner.d.ts
index ea86d1c15bdffb3c8d6cba4fe063a05a8d754121..a7ac123d98e2dd24f2e52b31b0fa523622c4135d 100644
--- a/api/@ohos.application.testRunner.d.ts
+++ b/api/@ohos.application.testRunner.d.ts
@@ -18,6 +18,7 @@
  * @kit TestKit
  */
 
+/*** if arkts 1.1 */
 /**
  * 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.
@@ -33,10 +34,9 @@
  * @interface TestRunner
  * @syscap SystemCapability.Ability.AbilityRuntime.Core
  * @atomicservice
- * @since arkts {'1.1':'11', '1.2':'20'}
- * @arkts 1.1&1.2
+ * @since 11
  */
-interface TestRunner {
+export interface TestRunner {
   /**
    * Prepare the unit testing environment for running test cases.
    *
@@ -48,8 +48,7 @@ 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;
 
@@ -64,13 +63,55 @@ 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;
 }
+/*** endif */
+/*** if arkts 1.2 */
+/**
+ * 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.
+ *
+ * @interface TestRunner
+ * @syscap SystemCapability.Ability.AbilityRuntime.Core
+ * @atomicservice
+ * @since 20
+ * @arkts 1.2
+ */
+interface TestRunner {
+  /**
+   * Prepare the unit testing environment for running test cases.
+   *
+   * @syscap SystemCapability.Ability.AbilityRuntime.Core
+   * @since 8
+   */
+  /**
+   * Prepare the unit testing environment for running test cases.
+   *
+   * @syscap SystemCapability.Ability.AbilityRuntime.Core
+   * @atomicservice
+   * @since 20
+   * @arkts 1.2
+   */
+  onPrepare(): void;
 
-/*** if arkts 1.1 */
-export { TestRunner };
+  /**
+   * Run all test cases.
+   *
+   * @syscap SystemCapability.Ability.AbilityRuntime.Core
+   * @since 8
+   */
+  /**
+   * Run all test cases.
+   *
+   * @syscap SystemCapability.Ability.AbilityRuntime.Core
+   * @atomicservice
+   * @since 20
+   * @arkts 1.2
+   */
+  onRun(): void;
+}
 /*** endif */
+
 export default TestRunner;