diff --git a/apps/wpm/filters.py b/apps/wpm/filters.py
index 5f3791db..c283492d 100644
--- a/apps/wpm/filters.py
+++ b/apps/wpm/filters.py
@@ -38,6 +38,7 @@ class WMaterialFilter(filters.FilterSet):
     mgroupx = filters.CharFilter(label='MgroupId', method='filter_mgroupx')
     mtaskx = filters.CharFilter(label='MtaskId', method='filter_mtaskx')
     route = filters.CharFilter(label='routeId', method='filter_route')
+    material__process__exclude = filters.CharFilter(field_name="material__process", lookup_expr="exact", exclude=True)
 
     def filter_mgroupx(self, queryset, name, value):
         return queryset.filter(mgroup__id=value)|queryset.filter(belong_dept=Mgroup.objects.get(id=value).belong_dept, mgroup=None)
@@ -73,6 +74,7 @@ class WMaterialFilter(filters.FilterSet):
             "notok_sign": ["exact", "in", "isnull"],
             "count_xtest": ["gte", "isnull"],
             "supplier": ["exact"],
+            "defect": ["exact"]
         }
 
 class MlogFilter(filters.FilterSet):