diff --git a/apps/wpmw/views.py b/apps/wpmw/views.py
index ce7afb59..54def096 100644
--- a/apps/wpmw/views.py
+++ b/apps/wpmw/views.py
@@ -19,4 +19,9 @@ class WprViewSet(CustomListModelMixin, CustomGenericViewSet):
     filterset_fields = ["mb", "wm", "state", "material", "defects"]
     ordering = ["-create_time"]
     ordering_fields = ["number", "create_time", "update_time"]
-    search_fields = ["number", "material__name", "material__model", "material__specification"]
\ No newline at end of file
+    search_fields = ["number", "material__name", "material__model", "material__specification"]
+
+    def filter_queryset(self, queryset):
+        qs = super().filter_queryset(queryset)
+        qs.exclude(mb=None, wm=None)
+        return qs
\ No newline at end of file