diff --git a/apps/users/api/relation.py b/apps/users/api/relation.py
index 218d52142..bbcb5932b 100644
--- a/apps/users/api/relation.py
+++ b/apps/users/api/relation.py
@@ -28,3 +28,12 @@ class UserUserGroupRelationViewSet(JMSBulkRelationModelViewSet):
             return False
         else:
             return True
+
+    def perform_create(self, serializer):
+        validated_data = []
+        for item in serializer.validated_data:
+            if item['user'].role == User.ROLE.AUDITOR:
+                continue
+            validated_data.append(item)
+        serializer._validated_data = validated_data
+        return super().perform_create(serializer)