diff --git a/hb_server/apps/wpm/serializers.py b/hb_server/apps/wpm/serializers.py
index b6ddf64..ebe1931 100644
--- a/hb_server/apps/wpm/serializers.py
+++ b/hb_server/apps/wpm/serializers.py
@@ -101,7 +101,7 @@ class OperationDetailSerializer(serializers.ModelSerializer):
         fields = '__all__'
     
     def get_wproducts_(self, obj):
-        return list(WProduct.objects.filter(id__in=obj.wproducts_).values('id', 'number'))
+        return list(WProduct.objects.filter(id__in=obj.wproducts).values('id', 'number'))
 
 class OperationListSerializer(serializers.ModelSerializer):
     create_by_ = UserSimpleSerializer(source='create_by', read_only=True)
diff --git a/hb_server/apps/wpm/views.py b/hb_server/apps/wpm/views.py
index e93cdb9..31fda3f 100644
--- a/hb_server/apps/wpm/views.py
+++ b/hb_server/apps/wpm/views.py
@@ -145,7 +145,7 @@ class DoFormSubmit(CreateAPIView, GenericAPIView):
         action_obj.p_state = vdata['step']
         if 'wproducts' in data and data['wproducts']:
             action_obj.wproducts = data['wproducts']
-            action_obj.m_state = vdata[0].m_state
+            action_obj.m_state = vdata['wproducts'][0].m_state
         action_obj.remark = vdata.get('remark', '') # 操作备注
         action_obj.create_by = request.user
         action_obj.save()