diff --git a/apps/wpm/views.py b/apps/wpm/views.py
index 1fe3843d..41f88666 100644
--- a/apps/wpm/views.py
+++ b/apps/wpm/views.py
@@ -174,6 +174,11 @@ class WMaterialViewSet(CustomListModelMixin, CustomGenericViewSet):
     filterset_class = WMaterialFilter
     ordering_fields = ["update_time", "state", "count", "count_xtest"]
 
+    def get_queryset(self):
+        if self.request.query_params.get("count_all"):
+            self.queryset = WMaterial.objects.all()
+        return super().get_queryset()
+
     def filter_queryset(self, queryset):
         queryset = super().filter_queryset(queryset)
         if self.request.query_params.get("state_all"):