diff --git a/apps/wpm/views.py b/apps/wpm/views.py
index cc92439e..68f0d083 100644
--- a/apps/wpm/views.py
+++ b/apps/wpm/views.py
@@ -681,6 +681,8 @@ class MlogbwViewSet(CustomModelViewSet):
     @transaction.atomic
     def perform_destroy(self, instance:Mlogbw):
         mlogb = instance.mlogb
+        if mlogb.material_out is not None:
+            raise ParseError("不能删除产出明细")
         ftest = instance.ftest
         instance.delete()
         if ftest: