diff --git a/dvadmin-backend/apps/vadmin/op_drf/mixins.py b/dvadmin-backend/apps/vadmin/op_drf/mixins.py
index 5305865..92f52bb 100644
--- a/dvadmin-backend/apps/vadmin/op_drf/mixins.py
+++ b/dvadmin-backend/apps/vadmin/op_drf/mixins.py
@@ -327,7 +327,7 @@ class ImportSerializerMixin:
         for ele in data:
             # 获取 unique 字段
             filter_dic = {i: ele.get(i) for i in list(set(self.import_field_data.keys()) & set(unique_list))}
-            instance = queryset.filter(**filter_dic).first()
+            instance = filter_dic and queryset.filter(**filter_dic).first()
             if instance and not updateSupport:
                 continue
             if not filter_dic: