diff --git a/hb_server/apps/srm/services.py b/hb_server/apps/srm/services.py
index de57324..2c3400b 100644
--- a/hb_server/apps/srm/services.py
+++ b/hb_server/apps/srm/services.py
@@ -15,7 +15,7 @@ class SrmServices:
         if datetime_start:
             objs = objs.filter(create_time__gte=datetime_start)
         if datetime_end:
-            objs = WproductFlow.objects.filter(create_time__lte=datetime_end)
+            objs = objs.filter(create_time__lte=datetime_end)
         count = objs.count()
         count_ok = objs.filter(act_state__in=[WProduct.WPR_ACT_STATE_INM, 
                     WProduct.WPR_ACT_STATE_OK, WProduct.WPR_ACT_STATE_SELLED]).count()