diff --git a/yudao-module-farm/src/main/java/cn/iocoder/yudao/module/farm/service/deviceclassify/DeviceClassifyServiceImpl.java b/yudao-module-farm/src/main/java/cn/iocoder/yudao/module/farm/service/deviceclassify/DeviceClassifyServiceImpl.java
index aee1943a..8574b6ea 100644
--- a/yudao-module-farm/src/main/java/cn/iocoder/yudao/module/farm/service/deviceclassify/DeviceClassifyServiceImpl.java
+++ b/yudao-module-farm/src/main/java/cn/iocoder/yudao/module/farm/service/deviceclassify/DeviceClassifyServiceImpl.java
@@ -115,7 +115,7 @@ public class DeviceClassifyServiceImpl implements DeviceClassifyService {
     public List<DeviceTypeRespVO> getDeviceTypeList() {
         List<DeviceClassifyDO> list = this.getDeviceClassifyList();
         return list.stream()
-                .filter(device -> device.getParentId() != null && device.getParentId() == 0L)
+                .filter(device -> device.getParentId() == null || device.getParentId() == 0L)
                 .map(device -> new DeviceTypeRespVO(
                         String.valueOf(device.getId()),
                         device.getName(),