diff --git a/apps/wpm/views.py b/apps/wpm/views.py
index 8b5f52e1..1fe3843d 100644
--- a/apps/wpm/views.py
+++ b/apps/wpm/views.py
@@ -170,7 +170,7 @@ class WMaterialViewSet(CustomListModelMixin, CustomGenericViewSet):
     queryset = WMaterial.objects.filter(count__gt=0)
     serializer_class = WMaterialSerializer
     select_related_fields = ["material", "belong_dept", "material__process", "supplier"]
-    search_fields = ["material__name", "material__number", "material__specification", "batch", "material__model", "defect__name", "notok_sign"]
+    search_fields = ["material__name", "material__specification", "batch", "material__model", "defect__name", "notok_sign"]
     filterset_class = WMaterialFilter
     ordering_fields = ["update_time", "state", "count", "count_xtest"]