diff --git a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/busi/MesProduceSnExtService.java b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/busi/MesProduceSnExtService.java
index 1adc1c4..33d351e 100644
--- a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/busi/MesProduceSnExtService.java
+++ b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/busi/MesProduceSnExtService.java
@@ -227,9 +227,7 @@ public class MesProduceSnExtService implements IMesProduceSnExtService {
 
     @Override
     public String queryPartNoByProduceSn(String productSn, String organizeCode) {
-        DdlPackBean ddlPackBean = DdlPackBean.getDdlPackBean(organizeCode);
-        DdlPreparedPack.getStringEqualPack(productSn,"productSn",ddlPackBean);
-        List<MesProduceSn> produceSnList = produceSnRepository.findByHqlWhere(ddlPackBean);
-        return produceSnList.isEmpty() ? "" : produceSnList.get(0).getPartNo();
+        MesProduceSn produceSn = getProduceSnCreateDatetimeDesc(organizeCode, productSn);
+        return null == produceSn ? "" : produceSn.getPartNo();
     }
 }