diff --git a/services/ans/src/notification_subscriber_manager.cpp b/services/ans/src/notification_subscriber_manager.cpp
index 447a3d8eda635d2457ea591da3bf93f62efd3767..16d1a2a21d24f82ef0d76dadb01da952989955c0 100644
--- a/services/ans/src/notification_subscriber_manager.cpp
+++ b/services/ans/src/notification_subscriber_manager.cpp
@@ -135,8 +135,9 @@ ErrCode NotificationSubscriberManager::RemoveSubscriber(
         result = this->RemoveSubscriberInner(subscriber, subscribeInfo);
     }));
     notificationSubQueue_->wait(handler);
+    std::string appUserId = (subscribeInfo == nullptr) ? "all" : std::to_string(subscribeInfo->GetAppUserId());
     message.Message("Remove subscriber: " + GetClientBundleName() + " user " +
-        std::to_string(subscribeInfo->GetAppUserId()) + " " + std::to_string(result));
+        appUserId + " " + std::to_string(result));
     NotificationAnalyticsUtil::ReportModifyEvent(message);
     return result;
 }
@@ -441,8 +442,9 @@ void NotificationSubscriberManager::NotifyConsumedInner(
             record->subscriber->OnConsumed(notification, notificationMap);
         }
     }
+    uint32_t listSize = (subscriberRecordList_ == nullptr) ? 0 : subscriberRecordList_.size();
     message.Message(notification->GetKey() + " " + std::to_string(notification->GetUserId()) +
-        " size " + std::to_string(subscriberRecordList_.size()));
+        " size " + std::to_string(listSize));
     NotificationAnalyticsUtil::ReportPublishFailedEvent(notification->GetNotificationRequestPoint(), message);
 }