修改bug

zd-modules/zd-modules-laboratory/src/main/java/com/zd/laboratory/service/impl/LabHardwareServiceImpl.java

@@ -320,11 +320,11 @@ public class LabHardwareServiceImpl implements ILabHardwareService {
             labHardware2.setHardwareNum(labHardware.getHardwareNum());
             if(StringUtils.isNotBlank(labHardware2.getHardwareNum())){
                 List<LabHardwareVO> hardwareVOList = labHardwareMapper.selectLabHardwareList(labHardware2);
-                Optional.ofNullable(hardwareVOList).orElseGet(Collections::emptyList).stream().filter(a->a.getId()!=labHardware.getId())
+
+                hardwareVOList.stream().filter(a-> !Objects.equals(a.getId(), labHardware.getId()))
                         .forEach(a->{
                             throw new ServiceException("设备编号重复，请重新输入。");
                         });
-
             }
             try{
                 id=labHardwareMapper.updateLabHardware(labHardware);