diff --git a/apps/ofm/serializers.py b/apps/ofm/serializers.py
index 17af419f..46a3c9d4 100644
--- a/apps/ofm/serializers.py
+++ b/apps/ofm/serializers.py
@@ -28,7 +28,7 @@ class MroomBookingSerializer(CustomModelSerializer):
         mroom = validated_data.pop('mroom')
         slots = validated_data.pop('slots')
         mdate = validated_data.pop('mdate')
-        booking = MroomBooking.objects.create(**validated_data)
+        booking = super().create(validated_data)
         MroomSlot.objects.filter(booking=booking).delete()
         for slot in slots:
             if slot < 0 or slot > 47:
diff --git a/apps/ofm/views.py b/apps/ofm/views.py
index f9b5010b..39443791 100644
--- a/apps/ofm/views.py
+++ b/apps/ofm/views.py
@@ -81,12 +81,12 @@ class MroomBookingViewSet(CustomModelViewSet):
 
     def perform_update(self, serializer):
         ins:MroomBooking = self.get_object()
-        if ins.create_by != self.request.user:
+        if ins.create_by and ins.create_by != self.request.user:
             raise ParseError("只允许创建者修改")
         return super().perform_update(serializer)
     
     def perform_destroy(self, instance):
-        if instance.create_by != self.request.user:
+        if instance.create_by and instance.create_by != self.request.user:
             raise ParseError("只允许创建者删除")
         return super().perform_destroy(instance)