diff --git a/apps/wpm/views.py b/apps/wpm/views.py
index e37f050f..2b897d69 100644
--- a/apps/wpm/views.py
+++ b/apps/wpm/views.py
@@ -486,8 +486,8 @@ class MlogbInViewSet(CreateModelMixin, UpdateModelMixin, DestroyModelMixin, Cust
             qs = Mlogb.objects.filter(**query_dict)
             # 需要删除子集ftest记录
             ftestIds = Mlogbw.objects.filter(mlogb__in=qs).values_list("ftest__id", flat=True)
-            Ftest.objects.filter(id__in=ftestIds).delete()
             Mlogb.objects.filter(**query_dict).delete()
+            Ftest.objects.filter(id__in=ftestIds).delete()
         instance.delete()
 
     @transaction.atomic