diff --git a/api/@ohos.WorkSchedulerExtensionAbility.d.ts b/api/@ohos.WorkSchedulerExtensionAbility.d.ts
index 4f2eedcb5f52067581ade32b7518c6ab61b8c0d5..0a25692c33baa13de11a37d1d88ac0b778868505 100644
--- a/api/@ohos.WorkSchedulerExtensionAbility.d.ts
+++ b/api/@ohos.WorkSchedulerExtensionAbility.d.ts
@@ -36,10 +36,9 @@ export type WorkSchedulerExtensionContext = _WorkSchedulerExtensionContext;
  * Class of the work scheduler extension ability.
  *
  * @syscap SystemCapability.ResourceSchedule.WorkScheduler
- * @StageModelOnly
  * @since 9
  */
-export default class WorkSchedulerExtensionAbility {
+declare class WorkSchedulerExtensionAbility {
   /**
    * Indicates work scheduler extension ability context.
    *
@@ -70,3 +69,12 @@ export default class WorkSchedulerExtensionAbility {
    */
   onWorkStop(work: workScheduler.WorkInfo): void;
 }
+
+/**
+ * Class of the work scheduler extension ability.
+ *
+ * @syscap SystemCapability.ResourceSchedule.WorkScheduler
+ * @StageModelOnly
+ * @since 9
+ */
+export default WorkSchedulerExtensionAbility;
\ No newline at end of file
diff --git a/api/application/WorkSchedulerExtensionContext.d.ts b/api/application/WorkSchedulerExtensionContext.d.ts
index e15279d81c2c914f47734a6f280b9fa161afc854..8b7b5fcabcd6d5a96138d8a18df30b0c4293cc8f 100644
--- a/api/application/WorkSchedulerExtensionContext.d.ts
+++ b/api/application/WorkSchedulerExtensionContext.d.ts
@@ -30,7 +30,7 @@ import type Want from '../@ohos.app.ability.Want';
  * @StageModelOnly
  * @since 10
  */
-export default class WorkSchedulerExtensionContext extends ExtensionContext {
+declare class WorkSchedulerExtensionContext extends ExtensionContext {
   /**
    * Starts a new service extension ability.
    * If the target service extension ability is visible, you can start the target service extension ability;
@@ -90,3 +90,12 @@ export default class WorkSchedulerExtensionContext extends ExtensionContext {
    */
   stopServiceExtensionAbility(want: Want): Promise<void>;
 }
+/**
+ * Define a WorkSchedulerExtensionContext.
+ *
+ * @typedef { WorkSchedulerExtensionContext }
+ * @syscap SystemCapability.ResourceSchedule.WorkScheduler
+ * @stagemodelonly
+ * @since 10
+ */
+export default WorkSchedulerExtensionContext;
\ No newline at end of file