diff --git a/modules/i3plus-ext-mes-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/apiservice/serviceimpl/base/MesWorkOrderService.java b/modules/i3plus-ext-mes-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/apiservice/serviceimpl/base/MesWorkOrderService.java
index 440b26d..b6688a3 100644
--- a/modules/i3plus-ext-mes-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/apiservice/serviceimpl/base/MesWorkOrderService.java
+++ b/modules/i3plus-ext-mes-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/apiservice/serviceimpl/base/MesWorkOrderService.java
@@ -1241,6 +1241,10 @@ public class MesWorkOrderService extends BaseMesService<MesWorkOrder> implements
 
             MesPartProdGroup mesPartProdGroup = partProdGroupMap.get(mesWorkOrder.getPartProdGroupCode());
 
+            if (mesPartProdGroup == null) {
+                MesException.throwMesBusiException("工单【%s】关联零件生产组【%s】不存在", mesWorkOrder.getWorkOrderNo(), mesWorkOrder.getPartProdGroupCode());
+            }
+
             String printTemplate = mesPartProdGroup.getPrintTemplate();
 
             if (StringUtils.isEmpty(printTemplate)) {