diff --git a/zh-cn/application-dev/reference/apis/js-apis-workSchedulerExtension.md b/zh-cn/application-dev/reference/apis/js-apis-WorkSchedulerExtensionAbility.md
similarity index 56%
rename from zh-cn/application-dev/reference/apis/js-apis-workSchedulerExtension.md
rename to zh-cn/application-dev/reference/apis/js-apis-WorkSchedulerExtensionAbility.md
index 335929c07c3daaf45ebd61f1ca80e6a52b15ca4d..99af6cd9045c0cf8cc220d30cd230a24579e97a4 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-workSchedulerExtension.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-WorkSchedulerExtensionAbility.md
@@ -7,10 +7,10 @@
 ## 导入模块
 
 ```
-import workSchedulerExtension from '@ohos.WorkSchedulerExtension'
+import WorkSchedulerExtensionAbility from '@ohos.WorkSchedulerExtensionAbility'
 ```
 
-## WorkSchedulerExtension.onWorkStart
+## WorkSchedulerExtensionAbility.onWorkStart
 - **系统能力**：
 SystemCapability.ResourceSchedule.WorkScheduler
 
@@ -23,14 +23,14 @@ onWorkStart(workInfo: WorkInfo);
 - **示例**：
 
   ```
-    export default class MyWorkSchedulerExtension extends WorkSchedulerExtension {
+    export default class MyWorkSchedulerExtensionAbility extends WorkSchedulerExtensionAbility {
         onWorkStart(workInfo) {
-            console.log('MyWorkSchedulerExtension onWorkStart' + JSON.stringify(workInfo));
+            console.log('MyWorkSchedulerExtensionAbility onWorkStart' + JSON.stringify(workInfo));
         }
     }
   ```
 
-## WorkSchedulerExtension.onWorkStop
+## WorkSchedulerExtensionAbility.onWorkStop
 - **系统能力**：
 SystemCapability.ResourceSchedule.WorkScheduler
 
@@ -43,9 +43,9 @@ onWorkStop(workInfo: WorkInfo);
 - **示例**：
 
   ```
-    export default class MyWorkSchedulerExtension extends WorkSchedulerExtension {
+    export default class MyWorkSchedulerExtensionAbility extends WorkSchedulerExtensionAbility {
         onWorkStop(workInfo) {
-            console.log('MyWorkSchedulerExtension onWorkStop' + JSON.stringify(workInfo));
+            console.log('MyWorkSchedulerExtensionAbility onWorkStop' + JSON.stringify(workInfo));
         }
     }
   ```
\ No newline at end of file
diff --git a/zh-cn/application-dev/work-scheduler/work-scheduler-dev-guide.md b/zh-cn/application-dev/work-scheduler/work-scheduler-dev-guide.md
index d61b52a6d54568481e7730f2f12618e9d573bbd6..4d72584bf0f4e08d169877942f8c5a1ef7ba386f 100644
--- a/zh-cn/application-dev/work-scheduler/work-scheduler-dev-guide.md
+++ b/zh-cn/application-dev/work-scheduler/work-scheduler-dev-guide.md
@@ -13,7 +13,7 @@ import workScheduler from '@ohos.workScheduler';
 
 回调相关接口包导入：
 ```js
-import WorkSchedulerExtension from '@ohos.WorkSchedulerExtension';
+import WorkSchedulerExtensionAbility from '@ohos.WorkSchedulerExtensionAbility';
 ```
 
 ### 延迟任务调度
@@ -60,14 +60,14 @@ function onWorkStop(work: WorkInfo): void; | 延迟调度任务结束回调
 
 **开发对应的Extension**
 
-    import WorkSchedulerExtension from '@ohos.WorkSchedulerExtension';
+    import WorkSchedulerExtensionAbility from '@ohos.WorkSchedulerExtensionAbility';
 
-    export default class MyWorkSchedulerExtension extends WorkSchedulerExtension {
+    export default class MyWorkSchedulerExtensionAbility extends WorkSchedulerExtensionAbility {
         onWorkStart(workInfo) {
-            console.log('MyWorkSchedulerExtension onWorkStart' + JSON.stringify(workInfo));
+            console.log('MyWorkSchedulerExtensionAbility onWorkStart' + JSON.stringify(workInfo));
         }
         onWorkStop(workInfo) {
-            console.log('MyWorkSchedulerExtension onWorkStop' + JSON.stringify(workInfo));
+            console.log('MyWorkSchedulerExtensionAbility onWorkStop' + JSON.stringify(workInfo));
         }
     }