diff --git a/server/apps/system/views.py b/server/apps/system/views.py
index 025713b..018781b 100644
--- a/server/apps/system/views.py
+++ b/server/apps/system/views.py
@@ -215,7 +215,7 @@ class OrganizationViewSet(PageOrNot,ModelViewSet):
     def filter_queryset(self, queryset):
         queryset = super().filter_queryset(queryset)
         if self.request.query_params.get('service_ok', 1):
-            queryset = queryset.filter(service__isnull=True)
+            queryset = queryset.exclude(service__isnull=True)
         return queryset
     
     @action(methods=['get'], detail=False, permission_classes=[IsAuthenticated])