diff --git a/apps/wpm/views.py b/apps/wpm/views.py
index 5bc886fe..17487dad 100644
--- a/apps/wpm/views.py
+++ b/apps/wpm/views.py
@@ -800,6 +800,12 @@ class MlogbwViewSet(CustomModelViewSet):
         if mlogb.material_out is not None and mlogb.wpr is not None:
             raise ParseError("不能删除该产出明细")
         
+        ftest = instance.ftest
+        if ftest:
+            ftest.delete()
+        instance.delete()
+        Mlogbw.cal_count_notok(mlogb)
+        
         # 如果是输入且输出追踪到个，需同步删除
         material_in: Material = mlogb.material_in
         if material_in is not None:
@@ -807,10 +813,4 @@ class MlogbwViewSet(CustomModelViewSet):
                 Mlogb.objects.filter(id=instance.mlogb_to.id).delete()
             if instance.mlogbw_to:
                 instance.mlogbw_to.delete()
-                instance.delete()
                 Mlogbw.cal_count_notok(instance.mlogbw_to.mlogb)
-        ftest = instance.ftest
-        if ftest:
-            ftest.delete()
-        instance.delete()
-        Mlogbw.cal_count_notok(mlogb)