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 492107c..c4a5af0 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
@@ -755,12 +755,16 @@ public class MesWorkOrderService extends BaseMesService<MesWorkOrder> implements
         ddlPackBean = DdlPackBean.getDdlPackBean(mesWorkOrder.getOrganizeCode());
         DdlPreparedPack.getStringEqualPack(mesPart.getPartNo(), "partNo", ddlPackBean);
         DdlPreparedPack.getStringEqualPack(mesProductVersion.getAlternativePartList(), "bomVersion", ddlPackBean);
+        DdlPreparedPack.getStringSmallerPack(TimeTool.getNowTime(true), "effStartTime", ddlPackBean);
+        DdlPreparedPack.getOrderBy("effStartTime",CommonEnumUtil.ASC_OR_DESC.DESC.getValue(),ddlPackBean);
         List<MesBom> mesBoms = mesBomRDao.findByHqlWhere(ddlPackBean);
         if (CollectionUtils.isEmpty(mesBoms)) {
             MesException.throwMesBusiException("物料【%s】生产版本【%s】对应bom信息不存在",
                     mesWorkOrder.getPartNo(), mesProductVersion.getProductVersion());
         }
-        return mesBoms;
+        MesBom next = mesBoms.iterator().next();
+        //如果存在多个bomCode取最新的一个
+        return mesBoms.stream().collect(Collectors.groupingBy(MesBom::getBomCode)).get(next.getBomCode());
     }
 
     private MesProductVersion getMesProductVersion(MesWorkOrder mesWorkOrder) {