diff --git a/backend/dvadmin/system/views/dept.py b/backend/dvadmin/system/views/dept.py
index e934c39..5c5105b 100644
--- a/backend/dvadmin/system/views/dept.py
+++ b/backend/dvadmin/system/views/dept.py
@@ -115,13 +115,10 @@ class DeptViewSet(CustomModelViewSet):
             del params['page']
         if limit:
             del params['limit']
-        if params:
-            if parent:
-                queryset = self.queryset.filter(status=True, parent=parent)
-            else:
-                queryset = self.queryset.filter(status=True)
+        if params and parent:
+            queryset = self.queryset.filter(status=True, parent=parent)
         else:
-            queryset = self.queryset.filter(status=True, parent__isnull=True)
+            queryset = self.queryset.filter(status=True)
         queryset = self.filter_queryset(queryset)
         serializer = DeptSerializer(queryset, many=True, request=request)
         data = serializer.data
diff --git a/backend/dvadmin/utils/serializers.py b/backend/dvadmin/utils/serializers.py
index c2b047d..6aef88d 100644
--- a/backend/dvadmin/utils/serializers.py
+++ b/backend/dvadmin/utils/serializers.py
@@ -26,6 +26,7 @@ class CustomModelSerializer(DynamicFieldsMixin, ModelSerializer):
     # 修改人的审计字段名称, 默认modifier, 继承使用时可自定义覆盖
     modifier_field_id = "modifier"
     modifier_name = serializers.SerializerMethodField(read_only=True)
+    dept_belong_id = serializers.IntegerField(required=False)
 
     def get_modifier_name(self, instance):
         if not hasattr(instance, "modifier"):