diff --git a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/base/MesReworkTaskServiceImpl.java b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/base/MesReworkTaskServiceImpl.java
index 1b28e87..ff66266 100644
--- a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/base/MesReworkTaskServiceImpl.java
+++ b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/base/MesReworkTaskServiceImpl.java
@@ -308,6 +308,10 @@ public class MesReworkTaskServiceImpl implements IMesReworkTaskService {
                 mesProductionRepeatAssembly.setFid(UUID .randomUUID().toString());
 
                 mesProductionAssembly.setRepeatAssemblySn(sn);
+
+                mesProduceSn.setSnStatus(MesExtEnumUtil.PRODUCE_SN_STATUS.ASSEMBLY_BACK.getValue());
+                ConvertBean.serviceModelUpdate(mesProduceSn, mesProduceSn.getCreateUser());
+                mesProduceSnRepository.update(mesProduceSn);
                 mesProductionAssemblyRepository.update(mesProductionAssembly);
 
                 mesProductionAssemblyRepository.save(mesProductionRepeatAssembly);