fix: 修复设计师大厅部门筛选API调用

frontend/src/views/DesignerHall.vue

@@ -304,7 +304,7 @@ import { message } from 'ant-design-vue'
 import DefaultLayout from '@/layouts/DefaultLayout.vue'
 import Icon from '@/components/Icon.vue'
 import * as designerApi from '@/api/designer'
-import * as departmentApi from '@/api/department'
+import { fetchDepartmentOverview } from '@/api/department'
 import type { DesignerStats } from '@/api/designer'
 import dayjs from 'dayjs'
 
@@ -430,12 +430,13 @@ const loadDesigners = async () => {
 // 加载接单部门列表（二级部门）
 const loadReceivingDepts = async () => {
   try {
-    const response = await departmentApi.getDepartments()
+    const response = await fetchDepartmentOverview()
     if (response.code === 200 && response.data) {
-      // 只获取接单类型的二级部门（parent_id 不为空且 dept_type 为 receiving）
+      // 只获取接单类型的二级部门（parentId 不为空且 deptType 为 receiving）
       receivingDepts.value = response.data.filter((dept: Department) => 
-        dept.deptType === 'receiving' && dept.parentId !== null
+        dept.deptType === 'receiving' && dept.parentId != null
       )
+      console.log('接单部门列表:', receivingDepts.value)
     }
   } catch (error) {
     console.error('加载部门列表失败：', error)