diff --git a/apps/wpm/filters.py b/apps/wpm/filters.py
index 801282ce..fa17132b 100644
--- a/apps/wpm/filters.py
+++ b/apps/wpm/filters.py
@@ -112,6 +112,7 @@ class WMaterialFilter(filters.FilterSet):
             wm=OuterRef("pk"),
             handover__mtype=Handover.H_MERGE,
             handover__recive_mgroup__id=mgroupxId,
+            handover__submit_time__isnull=False
         )
         if value is True:
             return queryset.annotate(_has_merge=Exists(sub_qs)).filter(_has_merge=True)