diff --git a/zh-cn/application-dev/task-management/work-scheduler.md b/zh-cn/application-dev/task-management/work-scheduler.md
index 4d27486b54c46699f5dc758d195e9a73fea9e373..ee8d408a2d7e812e603b694b53999da052d8f617 100644
--- a/zh-cn/application-dev/task-management/work-scheduler.md
+++ b/zh-cn/application-dev/task-management/work-scheduler.md
@@ -137,7 +137,7 @@ WorkInfo参数用于设置应用条件，参数设置时需遵循以下规则：
        // console.info(`work info parameters: ${JSON.parse(workInfo.parameters?.toString()).key1}`)
      }
    
-     // 延迟任务结束回调
+     // 延迟任务结束回调。当延迟任务2分钟超时、或应用调用[stopWork](../reference/apis-backgroundtasks-kit/js-apis-resourceschedule-workScheduler.md#workschedulerstopwork)接口主动取消延迟任务时，触发该接口回调。
      onWorkStop(workInfo: workScheduler.WorkInfo) {
        console.info(`onWorkStop, workInfo is ${JSON.stringify(workInfo)}`);
      }