diff --git a/zh-cn/application-dev/application-models/hop-multi-device-collaboration.md b/zh-cn/application-dev/application-models/hop-multi-device-collaboration.md
index 02ab579f5bcf90cf2bf8a609a751312f4f5e795b..65f3464c7804c3fc35ee8b4d258f88f1285d3e21 100644
--- a/zh-cn/application-dev/application-models/hop-multi-device-collaboration.md
+++ b/zh-cn/application-dev/application-models/hop-multi-device-collaboration.md
@@ -276,7 +276,7 @@
    })
    ```
 
-6. 退出远端ServiceExtensionAbility。
+6. 退出远端ServiceExtensionAbility。使用本接口可以使由connectServiceExtensionAbility接口拉起的ServiceExtensionAbility应用退出，不只是断开与ServiceExtensionAbility之间的链接。
 
    ```ts
    // 退出跨设备启动的ServiceExtensionAbility