diff --git a/internal/service/notification/notification_service.go b/internal/service/notification/notification_service.go
index be2963fe8..0860c894f 100644
--- a/internal/service/notification/notification_service.go
+++ b/internal/service/notification/notification_service.go
@@ -163,9 +163,7 @@ func (ns *NotificationService) countAllReviewAmount(ctx context.Context, req *sc
 }
 
 func (ns *NotificationService) ClearRedDot(ctx context.Context, req *schema.NotificationClearRequest) (*schema.RedDot, error) {
-	key := fmt.Sprintf(constant.RedDotCacheKey, req.NotificationType, req.UserID)
-	_ = ns.data.Cache.Del(ctx, key)
-
+	_ = ns.notificationCommon.DeleteRedDot(ctx, req.UserID, schema.NotificationType[req.NotificationType])
 	resp := &schema.GetRedDot{}
 	_ = copier.Copy(resp, req)
 	return ns.GetRedDot(ctx, resp)
@@ -203,19 +201,7 @@ func (ns *NotificationService) ClearIDUnRead(ctx context.Context, userID string,
 		log.Errorf("remove badge award alert cache failed: %v", err)
 	}
 
-	amount, err := ns.notificationRepo.CountNotificationByUser(ctx, &entity.Notification{
-		UserID: userID,
-		Type:   notificationInfo.Type,
-		IsRead: schema.NotificationNotRead,
-		Status: schema.NotificationStatusNormal,
-	})
-	if err != nil {
-		log.Errorf("count notification failed: %v", err)
-		return nil
-	}
-	if amount == 0 {
-		_ = ns.notificationCommon.DeleteRedDot(ctx, userID, notificationInfo.Type)
-	}
+	_ = ns.notificationCommon.DecreaseRedDot(ctx, userID, notificationInfo.Type)
 	return nil
 }
 
diff --git a/internal/service/notification_common/notification.go b/internal/service/notification_common/notification.go
index f3732fcfa..9d08e2582 100644
--- a/internal/service/notification_common/notification.go
+++ b/internal/service/notification_common/notification.go
@@ -220,10 +220,44 @@ func (ns *NotificationCommon) addRedDot(ctx context.Context, userID string, noti
 	} else {
 		key = fmt.Sprintf(constant.RedDotCacheKey, constant.NotificationTypeAchievement, userID)
 	}
-	err := ns.data.Cache.SetInt64(ctx, key, 1, constant.RedDotCacheTime)
+	_, exist, err := ns.data.Cache.GetInt64(ctx, key)
 	if err != nil {
 		return errors.InternalServer(reason.UnknownError).WithError(err).WithStack()
 	}
+	if exist {
+		if _, err := ns.data.Cache.Increase(ctx, key, 1); err != nil {
+			return errors.InternalServer(reason.UnknownError).WithError(err).WithStack()
+		}
+		return nil
+	}
+	err = ns.data.Cache.SetInt64(ctx, key, 1, constant.RedDotCacheTime)
+	if err != nil {
+		return errors.InternalServer(reason.UnknownError).WithError(err).WithStack()
+	}
+	return nil
+}
+
+func (ns *NotificationCommon) DecreaseRedDot(ctx context.Context, userID string, notificationType int) error {
+	var key string
+	if notificationType == schema.NotificationTypeInbox {
+		key = fmt.Sprintf(constant.RedDotCacheKey, constant.NotificationTypeInbox, userID)
+	} else {
+		key = fmt.Sprintf(constant.RedDotCacheKey, constant.NotificationTypeAchievement, userID)
+	}
+	_, exist, err := ns.data.Cache.GetInt64(ctx, key)
+	if err != nil {
+		return errors.InternalServer(reason.UnknownError).WithError(err).WithStack()
+	}
+	if !exist {
+		return nil
+	}
+	res, err := ns.data.Cache.Decrease(ctx, key, 1)
+	if err != nil {
+		return errors.InternalServer(reason.UnknownError).WithError(err).WithStack()
+	}
+	if res <= 0 {
+		return ns.DeleteRedDot(ctx, userID, notificationType)
+	}
 	return nil
 }