diff --git a/pqs-device/pq-device/pq-device-com/src/main/java/com/njcn/device/common/service/impl/TerminalBaseServiceImpl.java b/pqs-device/pq-device/pq-device-com/src/main/java/com/njcn/device/common/service/impl/TerminalBaseServiceImpl.java
index de42e5ebc..018adc601 100644
--- a/pqs-device/pq-device/pq-device-com/src/main/java/com/njcn/device/common/service/impl/TerminalBaseServiceImpl.java
+++ b/pqs-device/pq-device/pq-device-com/src/main/java/com/njcn/device/common/service/impl/TerminalBaseServiceImpl.java
@@ -885,11 +885,10 @@ public class TerminalBaseServiceImpl extends ServiceImpl<LineMapper, Line> imple
     private void coderM3d(Device deviceDetail, Boolean updateFlag) {
         if (updateFlag) {
             Device deviceRes = deviceMapper.selectById(deviceDetail.getId());
-            if (StrUtil.isNotBlank(deviceDetail.getDevKey()) && !deviceRes.getDevKey().equals(deviceDetail.getDevKey())) {
+            if (!Objects.equals(deviceRes.getDevKey(),deviceDetail.getDevKey())) {
                 deviceDetail.setDevKey(DeviceUtil.encodeString(devCD, deviceDetail.getDevKey()));
             }
-
-            if (StrUtil.isNotBlank(deviceDetail.getSeries()) && !deviceRes.getSeries().equals(deviceDetail.getSeries())) {
+            if (!Objects.equals(deviceRes.getSeries(),deviceDetail.getSeries())) {
                 deviceDetail.setSeries(DeviceUtil.encodeString(devCD, deviceDetail.getSeries()));
             }
         } else {
@@ -900,7 +899,6 @@ public class TerminalBaseServiceImpl extends ServiceImpl<LineMapper, Line> imple
                 deviceDetail.setSeries(DeviceUtil.encodeString(devCD, deviceDetail.getSeries()));
             }
         }
-
     }
 
     private void decoderM3d(Device deviceDetail) {