diff --git a/zh-cn/application-dev/ability/stage-ability.md b/zh-cn/application-dev/ability/stage-ability.md
index 547d21121177473006e621fe9128afb46cd5bdc5..3279ef886f91162ab12c942c3b225be1564f4b86 100644
--- a/zh-cn/application-dev/ability/stage-ability.md
+++ b/zh-cn/application-dev/ability/stage-ability.md
@@ -180,6 +180,7 @@ context.startAbility(want).then((data) => {
 ```
 从DeviceManager获取指定设备的deviceId，具体示例代码如下：
 ```ts
+import deviceManager from '@ohos.distributedHardware.deviceManager';
 function getRemoteDeviceId() {
     if (typeof dmClass === 'object' && dmClass != null) {
         var list = dmClass.getTrustedDeviceListSync();