diff --git a/hb_server/apps/wpm/views.py b/hb_server/apps/wpm/views.py
index 8cfb65c..a3b840c 100644
--- a/hb_server/apps/wpm/views.py
+++ b/hb_server/apps/wpm/views.py
@@ -544,7 +544,7 @@ class OperationViewSet(ListModelMixin, RetrieveModelMixin, CreateModelMixin, Upd
                     # 更新子计划生产进度
                     # 如果产品有返工标记不做计算
                     if wp.ng_sign not in [WProduct.NG_BACK_FIX, WProduct.NG_BACK_WORK]:
-                        ins = SubProductionProgress.objects.filter(subproduction_plan=wsp, 
+                        ins = SubProductionProgress.objects.get(subproduction_plan=wsp, 
                         is_main=True, type=SubprodctionMaterial.SUB_MA_TYPE_OUT)
                         ins.count_real = ins.count_real + 1
                         ins.save()