diff --git a/apps/wpm/views.py b/apps/wpm/views.py
index 2b897d69..7901dd8f 100644
--- a/apps/wpm/views.py
+++ b/apps/wpm/views.py
@@ -496,7 +496,7 @@ class MlogbInViewSet(CreateModelMixin, UpdateModelMixin, DestroyModelMixin, Cust
         # 找寻质检表
         qctmat0 = QctMat.objects.filter(material=mlogbin.material_in).order_by("-create_time").first()
         if qctmat0:
-            mlogbin.qct = qctmat0
+            mlogbin.qct = qctmat0.qct
             mlogbin.save()
         mlog:Mlog = mlogbin.mlog
         route:Route = mlog.route