diff --git a/services/distributed/src/soft_bus/distributed_subscribe_service.cpp b/services/distributed/src/soft_bus/distributed_subscribe_service.cpp
index b7b5a96a4325692848198f525516c574c3aae9ae..60435b256c629023e670310408be2b2caa9c0e23 100644
--- a/services/distributed/src/soft_bus/distributed_subscribe_service.cpp
+++ b/services/distributed/src/soft_bus/distributed_subscribe_service.cpp
@@ -228,7 +228,7 @@ void DistributedService::OnBatchCanceled(const std::vector<std::shared_ptr<Notif
         }
         ANS_LOGI("dans OnBatchCanceled %{public}s", notification->Dump().c_str());
         keysStream << GetNotificationKey(notification) << ' ';
-        slotTypesStream << notification->GetNotificationRequestPoint()->GetSlotType() << ' ';
+        slotTypesStream << std::to_string(notification->GetNotificationRequestPoint()->GetSlotType()) << ' ';
     }
     std::string notificationKeys = keysStream.str();
     std::string slotTypes = slotTypesStream.str();