diff --git a/zh-cn/application-dev/task-management/work-scheduler-dev-guide.md b/zh-cn/application-dev/task-management/work-scheduler-dev-guide.md
index c9093476998441889afeeeab58338f6b2f4c3a80..1b454be58cf699e69e0d5909913c416045c7e772 100644
--- a/zh-cn/application-dev/task-management/work-scheduler-dev-guide.md
+++ b/zh-cn/application-dev/task-management/work-scheduler-dev-guide.md
@@ -61,7 +61,7 @@ import workScheduler from '@ohos.resourceschedule.workScheduler';
 import WorkSchedulerExtensionAbility from '@ohos.WorkSchedulerExtensionAbility';
 ```
 
-2、开发对应的ExtensionAbility，用于回调执行具体的延迟任务。关于ExtensionAbility的介绍，参考[ExtensionAbility机制](../ability-deprecated/stage-brief.md#extensionability机制)。
+2、开发对应的ExtensionAbility，用于回调执行具体的延迟任务。关于ExtensionAbility的介绍，参考[ExtensionAbility机制](../application-models/extensionability-overview.md)。
 
 ```ts
 import WorkSchedulerExtensionAbility from '@ohos.WorkSchedulerExtensionAbility';