diff --git a/zh-cn/application-dev/task-management/work-scheduler.md b/zh-cn/application-dev/task-management/work-scheduler.md
index 4d27486b54c46699f5dc758d195e9a73fea9e373..c20f5a86f31c6dc55e8fbe4ecabb8466f74b8de3 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：当延迟任务超时、或应用调用StopWork接口时，触发该接口回调
      onWorkStop(workInfo: workScheduler.WorkInfo) {
        console.info(`onWorkStop, workInfo is ${JSON.stringify(workInfo)}`);
      }