diff --git a/apps/wpmw/views.py b/apps/wpmw/views.py
index 5aaa1eac..e99d2473 100644
--- a/apps/wpmw/views.py
+++ b/apps/wpmw/views.py
@@ -30,8 +30,8 @@ class WprViewSet(CustomListModelMixin, RetrieveModelMixin, ComplexQueryMixin, Cu
     ordering_fields = ["number", "create_time", "update_time"]
     search_fields = ["number", "material__name", "material__model", "material__specification", "number_out"]
     annotate_dict = {
-        "number_prefix": RawSQL("regexp_replace(number, '(\\d+)$', '')", []),
-        "number_suffix": RawSQL("COALESCE(NULLIF(regexp_replace(number, '.*?(\\d+)$', '\\1'), ''), '0')::bigint", []),
+        "number_prefix": RawSQL("regexp_replace(wpmw_wpr.number, '(\\d+)$', '')", []),
+        "number_suffix": RawSQL("COALESCE(NULLIF(regexp_replace(wpmw_wpr.number, '.*?(\\d+)$', '\\1'), ''), '0')::bigint", []),
     }
 
     def filter_queryset(self, queryset):