diff --git a/src/views/biz/device/index.vue b/src/views/biz/device/index.vue
index 67f8f5c..3fbcc93 100644
--- a/src/views/biz/device/index.vue
+++ b/src/views/biz/device/index.vue
@@ -112,12 +112,17 @@
           />
         </n-form-item>
         <n-form-item label="所属工段" path="sectionId">
-          <n-select
+          <!-- <n-select
               v-model:value="formData.sectionId"
               :options="sectionList"
               placeholder="请选择所属工段"
               clearable
               style="width: 200px"
+          /> -->
+          <n-tree-select
+            cascade
+            checkable
+            :options="sectionList"
           />
         </n-form-item>
         <n-form-item label="设备类型" path="deviceTypeId">
@@ -267,12 +272,14 @@ import {deviceApi, type Device} from '@/api/device'
 
 import {dictDataApi} from '@/api/org'
 import {sectionApi} from '@/api/section'
-import {SysUser, userApi} from '@/api/system'
+import {deptApi, type SysDept , userApi} from '@/api/system'
 import {DeviceAbnormalRecord, deviceAbnormalRecordApi} from "@/api/deviceAbnormalRecord.ts";
+
 import DeviceAbnormalRecordPage from '@/views/biz/device/DeviceAbnomarlRecord.vue'
 import DeviceOperationLogPage from "@/views/biz/device/DeviceOperationLog.vue";
-
 import DeviceDispatchLogPage from "@/views/biz/device/DeviceDispatchLog.vue";
+import { S } from 'vue-router/dist/router-CWoNjPRp.mjs'
+
 const message = useMessage()
 const dialog = useDialog()
 const router = useRouter()
@@ -283,8 +290,15 @@ const deviceId = ref<number>(undefined)
 //设备负责人列表
 const deviceManagerList = ref<{ label: string, value: any }[]>([])
 
-let sectionList = reactive<{ label: string, value: any }[]>([])
+// 树形下拉选项递归接口
+interface TreeNode {
+  label: string;
+  key: number | string;
+  children?: TreeNode[];
+}
 
+ let sectionList = reactive<TreeNode[]>([])
+// const sectionList = ref<SysDept[]>([]) // 树形数据
 //设备异常记录
 const deviceErrorLogList = ref<DeviceAbnormalRecord[]>([])
 const deviceAbnormalRecordDrawerVisible = ref<Boolean>(false) //异常记录抽屉显示
@@ -664,11 +678,26 @@ async function loadDictOptions() {
   }
 }
 
-
 //加载工段
 async function loadSection() {
-  const data = await sectionApi.listNoParam()
-  sectionList = data.map((d: any) => ({label: d.sectionName, value: (Number(d.id) || d.id)}))
+  const data = await deptApi.tree()
+ sectionList = buildOptions(data);
+}
+
+function buildOptions(d: any[]): TreeNode[] {
+  return d.map(item => {
+    // 安全id转换：0也能正常转为数字，不会被||过滤
+    const idNum = Number(item.id);
+    const key = !isNaN(idNum) ? idNum : item.id;
+    return {
+      label: item.deptName,
+      key,
+      // 子节点存在且为数组才递归处理
+      children: Array.isArray(item.children) && item.children.length 
+        ? buildOptions(item.children) 
+        : undefined
+    };
+  });
 }
 
 //加载人员