diff --git a/zh-cn/application-dev/background-task-management/background-task-dev-guide.md b/zh-cn/application-dev/background-task-management/background-task-dev-guide.md
index cfc017be376a39cb07f241c7003c6b47e1b6c9ec..f4e30ddf8a03d0e6c9499a7c86e175cca53a3193 100644
--- a/zh-cn/application-dev/background-task-management/background-task-dev-guide.md
+++ b/zh-cn/application-dev/background-task-management/background-task-dev-guide.md
@@ -264,7 +264,7 @@ export default {
         mMyStub = new MyStub("ServiceAbility-test");
         startBackgroundRunning();
         // 此处执行后台具体的长时任务。
-        stopBackgroundRunning()
+        stopBackgroundRunning();
     },
     onStop() {
         console.info('ServiceAbility onStop');