diff --git a/hb_server/apps/pum/serializers.py b/hb_server/apps/pum/serializers.py
index 9194882..c3d948b 100644
--- a/hb_server/apps/pum/serializers.py
+++ b/hb_server/apps/pum/serializers.py
@@ -1,8 +1,7 @@
-from rest_framework.serializers import ModelSerializer
+from rest_framework.serializers import ModelSerializer, ValidationError
 from apps.mtm.serializers import MaterialSimpleSerializer
 from .models import PuOrder, PuOrderItem, Vendor
 
-
 class VendorSerializer(ModelSerializer):
     class Meta:
         model = Vendor
@@ -23,6 +22,12 @@ class PuOrderItemCreateSerializer(ModelSerializer):
     class Meta:
         model = PuOrderItem
         fields = ['count', 'delivery_date', 'pu_order', 'material']
+    
+    def validate(self, attrs):
+        pu_order = attrs['pu_order']
+        if pu_order.is_audited:
+            raise ValidationError('采购订单已审核')
+        return super().validate(attrs)
 
 class PuOrderItemUpdateSerializer(ModelSerializer):
     class Meta:
diff --git a/hb_server/apps/pum/views.py b/hb_server/apps/pum/views.py
index a90fdca..6f13f39 100644
--- a/hb_server/apps/pum/views.py
+++ b/hb_server/apps/pum/views.py
@@ -85,12 +85,6 @@ class PuOrderItemViewSet(CreateModelMixin, ListModelMixin, DestroyModelMixin, Ge
         elif self.action == 'update':
             return PuOrderItemUpdateSerializer
         return super().get_serializer_class()
-    
-    def create(self, request, *args, **kwargs):
-        obj = self.get_object()
-        if obj.pu_order.is_audited:
-            raise ValidationError('所属采购已审核')
-        return super().create(request, *args, **kwargs)
 
     def destroy(self, request, *args, **kwargs):
         obj = self.get_object()