diff --git a/ruoyi-modules/hw-rfid/src/main/java/org/dromara/rfid/service/impl/RfidDeviceServiceImpl.java b/ruoyi-modules/hw-rfid/src/main/java/org/dromara/rfid/service/impl/RfidDeviceServiceImpl.java
index c707ecf..a5ad658 100644
--- a/ruoyi-modules/hw-rfid/src/main/java/org/dromara/rfid/service/impl/RfidDeviceServiceImpl.java
+++ b/ruoyi-modules/hw-rfid/src/main/java/org/dromara/rfid/service/impl/RfidDeviceServiceImpl.java
@@ -148,6 +148,10 @@ public class RfidDeviceServiceImpl implements IRfidDeviceService {
     @Override
     @Transactional(rollbackFor = Exception.class)
     public Boolean insertByBo(RfidDeviceBo bo) {
+        // 兜底策略：若前端未传入设备编号，后端自动生成，确保数据完整性
+        if (StringUtils.isBlank(bo.getDeviceCode())) {
+            bo.setDeviceCode("DEV" + System.currentTimeMillis());
+        }
         RfidDevice add = MapstructUtils.convert(bo, RfidDevice.class);
         validEntityBeforeSave(add);
         boolean flag = baseMapper.insert(add) > 0;