diff --git a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/base/MesProdOrgExtService.java b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/base/MesProdOrgExtService.java
index c5a840e..b5ae781 100644
--- a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/base/MesProdOrgExtService.java
+++ b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/base/MesProdOrgExtService.java
@@ -168,7 +168,7 @@ public class MesProdOrgExtService implements IMesProdOrgExtService {
     public List<MesWorkCellExtendCfg> getWorkCellExtendCfgRvListSortByBak(String organizeCode, String workCenterCodeBak, String workCellCodeBak) {
         if (StringUtils.isEmpty(organizeCode) || StringUtils.isEmpty(workCenterCodeBak) || StringUtils.isEmpty(workCellCodeBak)) return null;
         MesWorkCellExtendCfg workCellExtendCfg = getWorkCellExtendCfg(organizeCode, workCenterCodeBak, workCellCodeBak, MesExtEnumUtil.WORK_CELL_EXTEND_TYPE.RV.getValue());
-        if (null == workCellCodeBak) return null;
+        if (null == workCellExtendCfg) return null;
         List<MesWorkCellExtendCfg> workCellExtendCfgList = getWorkCellExtendCfgList(organizeCode, workCellExtendCfg.getWorkCenterCode(), workCellExtendCfg.getWorkCellCode(), MesExtEnumUtil.WORK_CELL_EXTEND_TYPE.RV.getValue());
         List<MesWorkCellExtendCfg> workCellExtendCfgListAfter = workCellExtendCfgList.stream().filter(o -> (null != o && workCellExtendCfg.getSeq().compareTo(o.getSeq()) <= 0)).sorted(Comparator.comparing(MesWorkCellExtendCfg::getSeq)).collect(Collectors.toList());
         List<MesWorkCellExtendCfg> workCellExtendCfgListBefore = workCellExtendCfgList.stream().filter(o -> (null != o && workCellExtendCfg.getSeq().compareTo(o.getSeq()) > 0)).sorted(Comparator.comparing(MesWorkCellExtendCfg::getSeq)).collect(Collectors.toList());
@@ -182,7 +182,7 @@ public class MesProdOrgExtService implements IMesProdOrgExtService {
     public List<MesWorkCellExtendCfg> getWorkCellExtendCfgRvListByBak(String organizeCode, String workCenterCodeBak, String workCellCodeBak) {
         if (StringUtils.isEmpty(organizeCode) || StringUtils.isEmpty(workCenterCodeBak) || StringUtils.isEmpty(workCellCodeBak)) return null;
         MesWorkCellExtendCfg workCellExtendCfg = getWorkCellExtendCfg(organizeCode, workCenterCodeBak, workCellCodeBak, MesExtEnumUtil.WORK_CELL_EXTEND_TYPE.RV.getValue());
-        if (null == workCellCodeBak) return null;
+        if (null == workCellExtendCfg) return null;
         return getWorkCellExtendCfgList(organizeCode, workCellExtendCfg.getWorkCenterCode(), workCellExtendCfg.getWorkCellCode(), MesExtEnumUtil.WORK_CELL_EXTEND_TYPE.RV.getValue());
     }