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 0cf43c7..f889f1c 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
@@ -319,11 +319,13 @@ public class MesWorkOrderService extends BaseMesService<MesWorkOrder> implements
                 item.setProductVersion(mesProductVersion.getProductVersion());
             }
 
-            //校验vin号是否重复
-            ddlPackBean = DdlPackBean.getDdlPackBean(item.getOrganizeCode());
-            DdlPreparedPack.getStringEqualPack(item.getVinCode(), "vinCode", ddlPackBean);
-            if (baseRDao.isExitByHql(ddlPackBean)) {
-                MesException.throwMesBusiException("vin号【%s】重复", item.getVinCode());
+            if(!StringUtil.isEmpty(item.getVinCode())){
+                //校验vin号是否重复
+                ddlPackBean = DdlPackBean.getDdlPackBean(item.getOrganizeCode());
+                DdlPreparedPack.getStringEqualPack(item.getVinCode(), "vinCode", ddlPackBean);
+                if (baseRDao.isExitByHql(ddlPackBean)) {
+                    MesException.throwMesBusiException("vin号【%s】重复", item.getVinCode());
+                }
             }
             //排序工单数量为1
             item.setQty(1d);