diff --git a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/station/MesProductionSortModuleService.java b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/station/MesProductionSortModuleService.java
index d2b9d71..e1786eb 100644
--- a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/station/MesProductionSortModuleService.java
+++ b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/station/MesProductionSortModuleService.java
@@ -159,7 +159,7 @@ public class MesProductionSortModuleService extends BaseModuleService {
         }
 
         MesQueueOrder queueOrder = getNewQueueOrder(reqBean);
-        return Stream.of(queueOrder.getPartProdGroupCode()).collect(Collectors.toList());
+        return queueOrder == null ? null : Stream.of(queueOrder.getPartProdGroupCode()).collect(Collectors.toList());
     }
 
     private MesQueueOrder getNewQueueOrder(StationRequestBean reqBean) {