diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index 226046ed..2efd3a2d 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -315,6 +315,8 @@ class MlogbDetailSerializer(CustomModelSerializer):
     material_out_tracking = serializers.IntegerField(source="material_out.tracking", read_only=True)
     mlogbdefect = MlogbDefectSerializer(many=True, read_only=True)
     test_user_name = serializers.CharField(source='test_user.name', read_only=True)
+    wm_in_defect = serializers.PrimaryKeyRelatedField(source='wm_in.defect', read_only=True)
+    wm_in_defect_name = serializers.CharField(source='wm_in.defect.name', read_only=True)
 
     class Meta:
         model = Mlogb
diff --git a/apps/wpm/views.py b/apps/wpm/views.py
index afff5b85..b55651c3 100644
--- a/apps/wpm/views.py
+++ b/apps/wpm/views.py
@@ -764,7 +764,7 @@ class MlogbViewSet(CustomListModelMixin, CustomGenericViewSet):
     perms_map = {"get": "*"}
     queryset = Mlogb.objects.all()
     serializer_class = MlogbDetailSerializer
-    select_related_fields = ["material_out", "material_in", "test_user"]
+    select_related_fields = ["material_out", "material_in", "test_user", "wm_in__defect"]
     filterset_class = MlogbFilter
     ordering = ["create_time"]