diff --git a/apps/vm/serializers.py b/apps/vm/serializers.py
index 6b72a65a..d0aeb74c 100644
--- a/apps/vm/serializers.py
+++ b/apps/vm/serializers.py
@@ -1,6 +1,7 @@
 
 from wsgiref.validate import validator
 from apps.hrm.serializers import EmployeeSimpleSerializer
+from apps.system.models import Dept
 from apps.utils.fields import MyFilePathField
 from apps.utils.serializers import CustomModelSerializer
 from apps.utils.tools import check_id_number_e, check_phone_e
@@ -26,6 +27,8 @@ class VisitCreateUpdateSerializer(CustomModelSerializer):
             if receptionist.type != 'employee':
                 raise ParseError('接待人需为正式员工')
             validated_data['belong_dept'] = validated_data['receptionist'].belong_dept
+        else:
+            validated_data['belong_dept'] = Dept.objects.all().order_by('create_time').first()
         return super().create(validated_data)
 
     def update(self, instance, validated_data):