diff --git a/services/ans/src/advanced_notification_slot_service.cpp b/services/ans/src/advanced_notification_slot_service.cpp
index 61e2eafbd3962ad6f311e3d34e7b0b6512c90abd..8621e25f9abf31d0a3f6c562e1970fdc1bf57823 100644
--- a/services/ans/src/advanced_notification_slot_service.cpp
+++ b/services/ans/src/advanced_notification_slot_service.cpp
@@ -208,13 +208,19 @@ ErrCode AdvancedNotificationService::UpdateSlots(
 {
     ANS_LOGD("%{public}s", __FUNCTION__);
 
+    HaMetaMessage message = HaMetaMessage(EventSceneId::SCENE_6, EventBranchId::BRANCH_6);
     bool isSubsystem = AccessTokenHelper::VerifyNativeToken(IPCSkeleton::GetCallingTokenID());
     if (!isSubsystem && !AccessTokenHelper::IsSystemApp()) {
+        message.ErrorCode(ERR_ANS_NON_SYSTEM_APP).Message("Not system app.");
+        NotificationAnalyticsUtil::ReportModifyEvent(message);
+        ANS_LOGE("Not system app.");
         return ERR_ANS_NON_SYSTEM_APP;
     }
 
     if (!AccessTokenHelper::CheckPermission(OHOS_PERMISSION_NOTIFICATION_CONTROLLER)) {
         ANS_LOGD("AccessTokenHelper::CheckPermission is false.");
+        message.ErrorCode(ERR_ANS_NON_SYSTEM_APP).Message("CheckPermission is false.");
+        NotificationAnalyticsUtil::ReportModifyEvent(message);
         return ERR_ANS_PERMISSION_DENIED;
     }
 
@@ -233,6 +239,9 @@ ErrCode AdvancedNotificationService::UpdateSlots(
         result = NotificationPreferences::GetInstance()->UpdateNotificationSlots(bundle, slots);
         if (result == ERR_ANS_PREFERENCES_NOTIFICATION_BUNDLE_NOT_EXIST) {
             result = ERR_ANS_PREFERENCES_NOTIFICATION_SLOT_TYPE_NOT_EXIST;
+            message.ErrorCode(result).Message("Slot type not exist.");
+            NotificationAnalyticsUtil::ReportModifyEvent(message);
+            ANS_LOGE("Slot type not exist.");
         }
     }));
     notificationSvrQueue_->wait(handler);
@@ -532,6 +541,8 @@ ErrCode AdvancedNotificationService::UpdateSlotReminderModeBySlotFlags(
     ret = NotificationPreferences::GetInstance()->UpdateNotificationSlots(bundle, slots);
     if (ret == ERR_ANS_PREFERENCES_NOTIFICATION_BUNDLE_NOT_EXIST) {
         ret = ERR_ANS_PREFERENCES_NOTIFICATION_SLOT_TYPE_NOT_EXIST;
+        message.ErrorCode(ERR_ANS_PREFERENCES_NOTIFICATION_SLOT_TYPE_NOT_EXIST).Message("Slot type not exist.");
+        NotificationAnalyticsUtil::ReportModifyEvent(message);
     }
     return ret;
 }
diff --git a/services/ans/src/notification_preferences.cpp b/services/ans/src/notification_preferences.cpp
index f4398a8fb34d4fad445168e13502c0f1365d8ff5..616be540e669c9f8eb4c2fde91cd9d21a8ecbdd7 100644
--- a/services/ans/src/notification_preferences.cpp
+++ b/services/ans/src/notification_preferences.cpp
@@ -258,16 +258,22 @@ ErrCode NotificationPreferences::GetNotificationSlot(const sptr<NotificationBund
         return ERR_ANS_INVALID_PARAM;
     }
 
+    HaMetaMessage message = HaMetaMessage(EventSceneId::SCENE_5, EventBranchId::BRANCH_7);
     ErrCode result = ERR_OK;
     NotificationPreferencesInfo::BundleInfo bundleInfo;
     std::lock_guard<std::mutex> lock(preferenceMutex_);
     if (GetBundleInfo(preferencesInfo_, bundleOption, bundleInfo)) {
         if (!bundleInfo.GetSlot(type, slot)) {
             result = ERR_ANS_PREFERENCES_NOTIFICATION_SLOT_TYPE_NOT_EXIST;
+            message.ErrorCode(ERR_ANS_PREFERENCES_NOTIFICATION_SLOT_TYPE_NOT_EXIST).Message("Slot type not exist.");
+            NotificationAnalyticsUtil::ReportModifyEvent(message);
+            ANS_LOGE("Slot type not exist.");
         }
     } else {
         ANS_LOGW("bundle not exist");
         result = ERR_ANS_PREFERENCES_NOTIFICATION_SLOT_TYPE_NOT_EXIST;
+        message.ErrorCode(ERR_ANS_PREFERENCES_NOTIFICATION_SLOT_TYPE_NOT_EXIST).Message("Slot type not exist.");
+        NotificationAnalyticsUtil::ReportModifyEvent(message);
     }
     ANS_LOGD("%{public}s status  = %{public}d ", __FUNCTION__, result);
     return result;