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 58b16a0..7054366 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
@@ -296,9 +296,9 @@ public class MesWorkOrderService extends BaseMesService<MesWorkOrder> implements
         if (CollectionUtils.isEmpty(mesWorkCenterList)) {
             return;
         }
-        Map<String, String> mesWorkCenterMap = mesWorkCenterList.stream().collect(Collectors.toMap(MesWorkCenter::getWorkCenterCode, MesWorkCenter::getWorkCenterName));
+        Map<String, List<MesWorkCenter>> mesWorkCenterMap = mesWorkCenterList.stream().collect(Collectors.groupingBy(MesWorkCenter::getWorkCenterCode));
         mesWorkOrderList.forEach(t -> {
-            t.setWorkCenterName(mesWorkCenterMap.get(t.getWorkCenterCode()));
+            t.setWorkCenterName(mesWorkCenterMap.containsKey(t.getWorkCenterCode()) ? mesWorkCenterMap.get(t.getWorkCenterCode()).iterator().next().getWorkCenterName() : "");
         });
 
     }