diff --git a/zh-cn/application-dev/ability/fa-serviceability.md b/zh-cn/application-dev/ability/fa-serviceability.md
index 9432309ed53bf24cec9f0a3144439180bf50b1e8..fd448e7b9e783d9e6c22ad13d8d66cc0c1b268d6 100644
--- a/zh-cn/application-dev/ability/fa-serviceability.md
+++ b/zh-cn/application-dev/ability/fa-serviceability.md
@@ -184,6 +184,7 @@ export default {
 ```
 
 ### 连接远程Service<a name="section126857614019"></a>(当前仅对系统应用开放)
+备注：由于DeviceManager getTrustedDeviceListSync接口仅对系统应用开放，当前连接远程Service仅支持系统应用
 
 如果Service需要与Page Ability或其他应用的Service Ability进行跨设备交互，则须创建用于连接的Connection。Service支持其他Ability通过connectAbility()方法与其进行跨设备连接。