diff --git a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/busi/MesWorkOrderService.java b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/busi/MesWorkOrderService.java
index f221fa8..3c9bb6f 100644
--- a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/busi/MesWorkOrderService.java
+++ b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/busi/MesWorkOrderService.java
@@ -1429,7 +1429,7 @@ public class MesWorkOrderService implements IMesWorkOrderService {
         if (!CollectionUtils.isEmpty(mesProductOneVersions)) {
             mesProductVersion = mesProductOneVersions.get(0);
         } else {
-            if (mesProductOneVersions.size() > 1) {
+            if (mesProductVersions.size() > 1) {
                 MesPcnException.throwMesBusiException("物料【%s】生产版本【%s】对应多条非0001版本的信息", item.getPartNo(), item.getProductVersion());
             }
             mesProductVersion = mesProductVersions.get(0);