diff --git a/frameworks/core/src/ans_notification.cpp b/frameworks/core/src/ans_notification.cpp
index 8de5bc0fe85d77b2b92e32a814f080b8f3b9a7d7..d59947731858fd62dfd3a12e300e48d546b0ca58 100644
--- a/frameworks/core/src/ans_notification.cpp
+++ b/frameworks/core/src/ans_notification.cpp
@@ -656,7 +656,9 @@ ErrCode AnsNotification::SubscribeNotification(
         ANS_LOGE("Failed to subscribe with SubscriberImpl null ptr.");
         return ERR_ANS_INVALID_PARAM;
     }
-    subscriberSptr->subscriber_.SetDeviceType(subscribeInfo.GetDeviceType());
+    if (!subscribeInfo.GetDeviceType().empty()) {
+        subscriberSptr->subscriber_.SetDeviceType(subscribeInfo.GetDeviceType());
+    }
     return proxy->Subscribe(subscriberSptr, sptrInfo);
 }
 
@@ -752,7 +754,7 @@ ErrCode AnsNotification::SubscribeNotification(const std::shared_ptr<Notificatio
         ANS_LOGE("Failed to subscribe due to create subscriber listener failed.");
         return ERR_ANS_NO_MEMORY;
     }
-    if (subscribeInfo != nullptr) {
+    if (subscribeInfo != nullptr && !subscribeInfo->GetDeviceType().empty()) {
         subscriber->SetDeviceType(subscribeInfo->GetDeviceType());
     }
     DelayedSingleton<AnsManagerDeathRecipient>::GetInstance()->SubscribeSAManager();