diff --git a/yudao-module-mes/yudao-module-mes-biz/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/deviceledger/vo/DeviceLedgerRespVO.java b/yudao-module-mes/yudao-module-mes-biz/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/deviceledger/vo/DeviceLedgerRespVO.java
index 9fdbc9fa2..c4fbdc2d8 100644
--- a/yudao-module-mes/yudao-module-mes-biz/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/deviceledger/vo/DeviceLedgerRespVO.java
+++ b/yudao-module-mes/yudao-module-mes-biz/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/deviceledger/vo/DeviceLedgerRespVO.java
@@ -47,6 +47,12 @@ public class DeviceLedgerRespVO extends BaseDO {
     @Schema(description = "设备产线")
     private Integer deviceLine;
 
+    @Schema(description = "顶级分类 id")
+    private Long topCategoryId;
+
+    @Schema(description = "顶级分类名称")
+    private String topCategoryName;
+
     @Schema(description = "设备类型名称", example = "1")
     @ExcelProperty("类型")
     private String typeName;
diff --git a/yudao-module-mes/yudao-module-mes-biz/src/main/java/cn/iocoder/yudao/module/mes/dal/dataobject/deviceledger/DeviceLedgerDO.java b/yudao-module-mes/yudao-module-mes-biz/src/main/java/cn/iocoder/yudao/module/mes/dal/dataobject/deviceledger/DeviceLedgerDO.java
index d9c6cc78d..316a5fe52 100644
--- a/yudao-module-mes/yudao-module-mes-biz/src/main/java/cn/iocoder/yudao/module/mes/dal/dataobject/deviceledger/DeviceLedgerDO.java
+++ b/yudao-module-mes/yudao-module-mes-biz/src/main/java/cn/iocoder/yudao/module/mes/dal/dataobject/deviceledger/DeviceLedgerDO.java
@@ -73,6 +73,18 @@ public class DeviceLedgerDO extends BaseDO {
      * 设备产线
      */
     private Integer deviceLine;
+
+    /**
+     * 顶级分类 id
+     */
+    @TableField(exist = false)
+    private Long topCategoryId;
+
+    /**
+     * 顶级分类名称
+     */
+    @TableField(exist = false)
+    private String topCategoryName;
     /**
      * 供应商
      */
diff --git a/yudao-module-mes/yudao-module-mes-biz/src/main/java/cn/iocoder/yudao/module/mes/service/deviceledger/DeviceLedgerServiceImpl.java b/yudao-module-mes/yudao-module-mes-biz/src/main/java/cn/iocoder/yudao/module/mes/service/deviceledger/DeviceLedgerServiceImpl.java
index 41d2610bc..324d24c7c 100644
--- a/yudao-module-mes/yudao-module-mes-biz/src/main/java/cn/iocoder/yudao/module/mes/service/deviceledger/DeviceLedgerServiceImpl.java
+++ b/yudao-module-mes/yudao-module-mes-biz/src/main/java/cn/iocoder/yudao/module/mes/service/deviceledger/DeviceLedgerServiceImpl.java
@@ -449,6 +449,8 @@ public class DeviceLedgerServiceImpl implements DeviceLedgerService {
         }
         List<DeviceLineDO> deviceLineList = deviceLineService.getDeviceLineList(new DeviceLineListReqVO());
         Map<Long, List<DeviceLineDO>> collect = deviceLineList.stream().collect(Collectors.groupingBy(DeviceLineDO::getId));
+        Map<Long, DeviceLineDO> deviceLineMap = deviceLineList.stream()
+                .collect(Collectors.toMap(DeviceLineDO::getId, Function.identity(), (a, b) -> a));
         PageResult<DeviceLedgerDO> deviceLedgerDOPageResult = deviceLedgerMapper.selectPage(pageReqVO);
         for (DeviceLedgerDO deviceLedgerDO : deviceLedgerDOPageResult.getList()) {
             if (deviceLedgerDO.getDeviceType()!=null){
@@ -458,6 +460,7 @@ public class DeviceLedgerServiceImpl implements DeviceLedgerService {
             if(deviceLedgerDO.getDeviceLine()!=null&&CollUtil.isNotEmpty(collect.get(deviceLedgerDO.getDeviceLine().longValue()))){
                 deviceLedgerDO.setWorkshopName(collect.get(deviceLedgerDO.getDeviceLine().longValue()).get(0).getName());
             }
+            fillTopCategoryInfo(deviceLedgerDO, deviceLineMap);
         }
         return deviceLedgerDOPageResult;
     }
@@ -647,7 +650,69 @@ public class DeviceLedgerServiceImpl implements DeviceLedgerService {
 
     @Override
     public List<DeviceLedgerDO> getDeviceLedgerList() {
-        return deviceLedgerMapper.selectList();
+        List<DeviceLedgerDO> list = deviceLedgerMapper.selectList();
+        fillTopCategoryInfo(list);
+        return list;
+    }
+
+    private void fillTopCategoryInfo(List<DeviceLedgerDO> list) {
+        if (CollUtil.isEmpty(list)) {
+            return;
+        }
+        List<DeviceLineDO> deviceLineList = deviceLineService.getDeviceLineList(new DeviceLineListReqVO());
+        Map<Long, DeviceLineDO> deviceLineMap = deviceLineList.stream()
+                .collect(Collectors.toMap(DeviceLineDO::getId, Function.identity(), (a, b) -> a));
+        list.forEach(item -> fillTopCategoryInfo(item, deviceLineMap));
+    }
+
+    private void fillTopCategoryInfo(DeviceLedgerDO deviceLedgerDO, Map<Long, DeviceLineDO> deviceLineMap) {
+        if (deviceLedgerDO == null || deviceLedgerDO.getDeviceLine() == null || deviceLineMap == null || deviceLineMap.isEmpty()) {
+            return;
+        }
+        DeviceLineDO currentLine = deviceLineMap.get(deviceLedgerDO.getDeviceLine().longValue());
+        if (currentLine == null) {
+            return;
+        }
+        DeviceLineDO topLine = getTopDeviceLine(currentLine, deviceLineMap);
+        if (topLine == null) {
+            return;
+        }
+        deviceLedgerDO.setTopCategoryId(topLine.getId());
+        deviceLedgerDO.setTopCategoryName(topLine.getName());
+    }
+
+    private DeviceLineDO getTopDeviceLine(DeviceLineDO currentLine, Map<Long, DeviceLineDO> deviceLineMap) {
+        Long topLineId = parseTopDeviceLineId(currentLine.getParentChain());
+        if (topLineId != null && deviceLineMap.containsKey(topLineId)) {
+            return deviceLineMap.get(topLineId);
+        }
+        DeviceLineDO topLine = currentLine;
+        Set<Long> visitedIds = new HashSet<>();
+        while (topLine.getParentId() != null && topLine.getParentId() > 0 && visitedIds.add(topLine.getId())) {
+            DeviceLineDO parentLine = deviceLineMap.get(topLine.getParentId());
+            if (parentLine == null) {
+                break;
+            }
+            topLine = parentLine;
+        }
+        return topLine;
+    }
+
+    private Long parseTopDeviceLineId(String parentChain) {
+        if (StringUtils.isBlank(parentChain)) {
+            return null;
+        }
+        String[] ids = parentChain.split(",");
+        for (String id : ids) {
+            if (StringUtils.isBlank(id)) {
+                continue;
+            }
+            try {
+                return Long.valueOf(id.trim());
+            } catch (NumberFormatException ignored) {
+            }
+        }
+        return null;
     }
 
     @Override