diff --git a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/busi/MesWorkOrderService.java b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/busi/MesWorkOrderService.java
index 9975aea..1cbb466 100644
--- a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/busi/MesWorkOrderService.java
+++ b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/busi/MesWorkOrderService.java
@@ -563,7 +563,7 @@ public class MesWorkOrderService implements IMesWorkOrderService {
         double reportQty = MathOperation.add(MesPcnExtConstWords.ONE, oldMesWorkOrder.getReportedQty());
         propertyMap.put("reportedQty", reportQty);
         if (StringUtils.isEmpty(productionRecord.getWorkOrderNo())) {
-            double unCompleteQty = MathOperation.sub(oldMesWorkOrder.getQty(), oldMesWorkOrder.getReportedQty());
+            double unCompleteQty = MathOperation.sub(oldMesWorkOrder.getQty(), reportQty);
             //未完成数减到0之后不能为负数
             unCompleteQty = unCompleteQty > 0 ? unCompleteQty : 0;