diff --git a/apps/wpmw/serializers.py b/apps/wpmw/serializers.py
index d1766cf4..0905dc6c 100644
--- a/apps/wpmw/serializers.py
+++ b/apps/wpmw/serializers.py
@@ -17,7 +17,8 @@ class WprSerializer(CustomModelSerializer):
     mb_batch = serializers.CharField(source="mb.batch", read_only=True)
     material_name = serializers.StringRelatedField(
         source='material', read_only=True) 
-    material_start_name = serializers.StringRelatedField(source='material_start', read_only=True)
+    # material_start_name = serializers.StringRelatedField(source='material_start', read_only=True)
+    wm_material_name = serializers.StringRelatedField(source="wm.material", read_only=True)
     wprdefect = WprDefectSerializer(many=True, read_only=True)  
 
     class Meta:
diff --git a/apps/wpmw/views.py b/apps/wpmw/views.py
index cc5a2f2d..1394d321 100644
--- a/apps/wpmw/views.py
+++ b/apps/wpmw/views.py
@@ -18,7 +18,7 @@ class WprViewSet(CustomListModelMixin, RetrieveModelMixin, ComplexQueryMixin, Cu
     动态产品
     """
     perms_map = {"get": "*"}
-    select_related_fields = ["wm", "mb", "material", "material_start"]
+    select_related_fields = ["wm", "mb", "material", "wm__material"]
     prefetch_related_fields = ["defects"]
     queryset = Wpr.objects.all()
     serializer_class = WprSerializer