diff --git a/api/@ohos.workSchedulerExtension.d.ts b/api/@ohos.WorkSchedulerExtensionAbility.d.ts
similarity index 92%
rename from api/@ohos.workSchedulerExtension.d.ts
rename to api/@ohos.WorkSchedulerExtensionAbility.d.ts
index ffecb73734b6b38751f3e7d593616aaa8bc2ba34..df30bd831e426edec007243471ac505d27209e50 100644
--- a/api/@ohos.workSchedulerExtension.d.ts
+++ b/api/@ohos.WorkSchedulerExtensionAbility.d.ts
@@ -16,13 +16,13 @@
 import workScheduler from "./@ohos.workScheduler";
 
 /**
- * Class of the work scheduler extension.
+ * Class of the work scheduler extension ability.
  *
  * @since 9
  * @syscap SystemCapability.ResourceSchedule.WorkScheduler
  * @StageModelOnly
  */
-export default class WorkSchedulerExtension {
+export default class WorkSchedulerExtensionAbility {
     /**
      * Called back when a work is started.
      *