优化

src/modules/master-data/counterparties/api/platformPartners.ts

@@ -96,7 +96,7 @@ function normalizePartner(resource: PlatformPartnerResource): PlatformPartnerRes
   }
 }
 
-export async function listPlatformPartners(tenantId: number, query: PlatformPartnerQuery) {
+export async function listPlatformPartners(tenantId: number | string, query: PlatformPartnerQuery) {
   const response = await http.get<ApiEnvelope<PlatformPartnerPagePayload>, ApiEnvelope<PlatformPartnerPagePayload>>(basePath, {
     params: { tenantId, ...query },
   })
@@ -111,7 +111,7 @@ export async function listPlatformPartners(tenantId: number, query: PlatformPart
   }
 }
 
-export async function getPlatformPartner(tenantId: number, partnerId: number | string) {
+export async function getPlatformPartner(tenantId: number | string, partnerId: number | string) {
   const response = await http.get<ApiEnvelope<PlatformPartnerResource>, ApiEnvelope<PlatformPartnerResource>>(
     `${basePath}/${partnerId}`,
     { params: { tenantId } },
@@ -123,7 +123,7 @@ export async function downloadPlatformPartnerImportTemplate() {
   return http.get<Blob, Blob>(`${basePath}/import-template`, { responseType: 'blob' })
 }
 
-export async function importPlatformPartners(tenantId: number, file: File) {
+export async function importPlatformPartners(tenantId: number | string, file: File) {
   const form = new FormData()
   form.append('file', file)
   const response = await http.post<ApiEnvelope<PlatformPartnerImportResult>, ApiEnvelope<PlatformPartnerImportResult>>(
@@ -134,7 +134,7 @@ export async function importPlatformPartners(tenantId: number, file: File) {
   return unwrapApiResponse(response)
 }
 
-export async function createPlatformPartner(tenantId: number, payload: SavePlatformPartnerRequest) {
+export async function createPlatformPartner(tenantId: number | string, payload: SavePlatformPartnerRequest) {
   const response = await http.post<ApiEnvelope<number | string>, ApiEnvelope<number | string>>(basePath, payload, {
     params: { tenantId },
   })
@@ -142,7 +142,7 @@ export async function createPlatformPartner(tenantId: number, payload: SavePlatf
 }
 
 export async function updatePlatformPartner(
-  tenantId: number,
+  tenantId: number | string,
   partnerId: number | string,
   payload: SavePlatformPartnerRequest,
 ) {
@@ -153,7 +153,7 @@ export async function updatePlatformPartner(
 }
 
 export async function changePlatformPartnerStatus(
-  tenantId: number,
+  tenantId: number | string,
   partnerId: number | string,
   status: PlatformPartnerStatus,
 ) {

src/modules/master-data/counterparties/pages/PartnersView.test.ts

@@ -8,6 +8,8 @@ import {
 } from '@/modules/master-data/counterparties/api/platformPartners'
 import { useAccessPreviewStore } from '@/core/access/accessPreview'
 import { useAuthStore } from '@/core/auth/auth'
+import { listPlatformTenants, type PlatformTenantResource } from '../../../iam/api/platformIam'
+import PlatformTenantSelector from '../../../iam/components/PlatformTenantSelector.vue'
 import PartnersView from './PartnersView.vue'
 
 vi.mock('@/modules/master-data/counterparties/api/platformPartners', () => ({
@@ -20,6 +22,8 @@ vi.mock('@/modules/master-data/counterparties/api/platformPartners', () => ({
   changePlatformPartnerStatus: vi.fn(),
 }))
 
+vi.mock('../../../iam/api/platformIam', () => ({ listPlatformTenants: vi.fn() }))
+
 class ResizeObserverStub implements ResizeObserver {
   observe() {}
   unobserve() {}
@@ -60,6 +64,16 @@ const partner: PlatformPartnerResource = {
   updatedAt: '2026-07-30T22:45:00',
 }
 
+const tenant = (id: number | string, tenantName: string): PlatformTenantResource => ({
+  id, tenantCode: String(id), tenantName, status: 'ACTIVE', legalName: tenantName,
+  legalRepresentative: null, unifiedSocialCreditCode: null, contactName: null,
+  contactPhone: null, contactEmail: null, servicePackage: null, contactWechat: null,
+  salesOwnerName: null, paymentTermDays: null, enterpriseType: null, establishedDate: null,
+  registeredCapital: null, registeredCapitalCurrency: null, registeredAddress: null,
+  internalRemark: null, createdAt: null, approvedAt: null,
+})
+const snowflakeTenantId = '9223372036854775806'
+
 async function mountView() {
   vi.stubGlobal('localStorage', createMemoryStorage())
   vi.stubGlobal('sessionStorage', createMemoryStorage())
@@ -89,6 +103,9 @@ describe('PartnersView real API integration', () => {
   beforeEach(() => {
     vi.stubGlobal('ResizeObserver', ResizeObserverStub)
     document.body.innerHTML = ''
+    vi.mocked(listPlatformTenants).mockReset().mockResolvedValue({
+      records: [tenant(10001, '默认企业'), tenant(snowflakeTenantId, '雪花企业')], page: 1, size: 200, total: 2, pages: 1,
+    })
     vi.mocked(listPlatformPartners).mockReset().mockResolvedValue({
       records: [partner], page: 1, size: 20, total: 1, pages: 1,
     })
@@ -111,6 +128,17 @@ describe('PartnersView real API integration', () => {
     expect(wrapper.find('.table-panel').exists()).toBe(true)
   })
 
+  it('preserves a snowflake tenant id as a string when switching enterprises', async () => {
+    const wrapper = await mountView()
+
+    wrapper.findComponent(PlatformTenantSelector).vm.$emit('update:modelValue', snowflakeTenantId)
+    await flushPromises()
+
+    expect(listPlatformPartners).toHaveBeenLastCalledWith(snowflakeTenantId, {
+      page: 1, size: 20, keyword: undefined, type: undefined, status: undefined,
+    })
+  })
+
   it('updates filters locally and only requests after search', async () => {
     const wrapper = await mountView()
     const keywordInput = wrapper.find('input[placeholder="单位名称、编码、联系人或电话"]')

src/modules/master-data/counterparties/pages/PartnersView.vue

@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { computed, onMounted, reactive, ref, watch } from 'vue'
+import { computed, reactive, ref, watch } from 'vue'
 import { ElMessage, ElMessageBox, type FormInstance, type FormRules, type UploadFile } from 'element-plus'
 import { Building2, Download, Eye, MapPin, Pencil, Plus, Power, Upload } from '@lucide/vue'
 import ApiErrorMeta from '@/shared/components/ApiErrorMeta.vue'
@@ -23,8 +23,8 @@ import {
   type SavePlatformPartnerRequest,
 } from '@/modules/master-data/counterparties/api/platformPartners'
 import { useAccessPreviewStore } from '@/core/access/accessPreview'
+import { PlatformTenantSelector } from '@/modules/iam'
 
-const fixedTenantId = 10001
 const pageSize = ref(20)
 const access = useAccessPreviewStore()
 const loading = ref(false)
@@ -42,8 +42,11 @@ const formRef = ref<FormInstance>()
 const rows = ref<PlatformPartnerResource[]>([])
 const page = ref(1)
 const total = ref(0)
+const selectedTenantId = ref('')
+const loadedTenantId = ref<string | null>(null)
 const loadError = ref<ApiErrorDetails | null>(null)
 const statusLoadingIds = ref(new Set<string>())
+let loadSequence = 0
 
 type PartnerFilters = QueryModel & {
   keyword: string
@@ -116,6 +119,17 @@ const { captureBaseline } = useUnsavedWorkRegistration({
   requiredPermission: editorPermission,
 })
 
+const tenantReady = computed(() => Boolean(selectedTenantId.value)
+  && loadedTenantId.value === selectedTenantId.value
+  && !loading.value)
+const tenantSwitchDisabled = computed(() => editorOpen.value
+  || detailOpen.value
+  || importOpen.value
+  || saving.value
+  || detailLoading.value
+  || importing.value
+  || statusLoadingIds.value.size > 0)
+
 const rules: FormRules<PartnerForm> = {
   partnerCode: [{ required: true, whitespace: true, message: '请输入往来单位编码', trigger: 'blur' }],
   partnerName: [{ required: true, whitespace: true, message: '请输入往来单位名称', trigger: 'blur' }],
@@ -174,17 +188,37 @@ function queryParams() {
   }
 }
 
-async function loadPartners() {
+function apiTenantId(value: string) {
+  const numeric = Number(value)
+  return Number.isSafeInteger(numeric) ? numeric : value
+}
+
+function requireCurrentTenant() {
+  if (!tenantReady.value) {
+    ElMessage.warning('往来单位数据尚未加载完成，请稍后重试')
+    return null
+  }
+  return apiTenantId(selectedTenantId.value)
+}
+
+async function loadPartners(tenantId = selectedTenantId.value) {
+  if (!tenantId) return
+  const sequence = ++loadSequence
   loading.value = true
   loadError.value = null
   try {
-    const result = await listPlatformPartners(fixedTenantId, queryParams())
+    const result = await listPlatformPartners(apiTenantId(tenantId), queryParams())
+    if (sequence !== loadSequence) return
     rows.value = result.records
     total.value = result.total
+    loadedTenantId.value = tenantId
   } catch (error) {
+    if (sequence !== loadSequence) return
+    rows.value = []
+    total.value = 0
     loadError.value = getApiErrorDetails(error, '往来单位加载失败，请稍后重试')
   } finally {
-    loading.value = false
+    if (sequence === loadSequence) loading.value = false
   }
 }
 
@@ -202,6 +236,7 @@ function searchPartners(model: QueryModel) {
 }
 
 function openCreate() {
+  if (!requireCurrentTenant()) return
   Object.assign(form, emptyForm())
   captureBaseline()
   editorOpen.value = true
@@ -213,6 +248,7 @@ function nullable(value: string | null) {
 }
 
 function openEdit(row: PlatformPartnerResource) {
+  if (!requireCurrentTenant()) return
   Object.assign(form, {
     id: String(row.id),
     partnerCode: row.partnerCode,
@@ -258,11 +294,13 @@ function savePayload(): SavePlatformPartnerRequest {
 }
 
 async function openDetail(row: PlatformPartnerResource) {
+  const tenantId = requireCurrentTenant()
+  if (!tenantId) return
   detailOpen.value = true
   detailLoading.value = true
   detail.value = null
   try {
-    detail.value = await getPlatformPartner(fixedTenantId, row.id)
+    detail.value = await getPlatformPartner(tenantId, row.id)
   } catch (error) {
     const meta = getApiErrorDetails(error, '往来单位详情加载失败')
     ElMessage.error(meta.requestId ? `${meta.message}（requestId: ${meta.requestId}）` : meta.message)
@@ -305,6 +343,8 @@ async function downloadTemplate() {
 }
 
 async function submitImport() {
+  const tenantId = requireCurrentTenant()
+  if (!tenantId) return
   if (!importFile.value) {
     ElMessage.warning('请先选择 XLSX 文件')
     return
@@ -312,7 +352,7 @@ async function submitImport() {
   importing.value = true
   importResult.value = null
   try {
-    importResult.value = await importPlatformPartners(fixedTenantId, importFile.value)
+    importResult.value = await importPlatformPartners(tenantId, importFile.value)
     if (importResult.value.success) {
       ElMessage.success(`成功导入 ${importResult.value.importedRows} 条往来单位`)
       await loadPartners()
@@ -342,16 +382,18 @@ function downloadImportErrors() {
 }
 
 async function savePartner() {
+  const tenantId = requireCurrentTenant()
+  if (!tenantId) return
   const valid = await formRef.value?.validate().catch(() => false)
   if (!valid) return
   saving.value = true
   try {
     const payload = savePayload()
     if (form.id) {
-      await updatePlatformPartner(fixedTenantId, form.id, payload)
+      await updatePlatformPartner(tenantId, form.id, payload)
       ElMessage.success('往来单位已更新')
     } else {
-      await createPlatformPartner(fixedTenantId, payload)
+      await createPlatformPartner(tenantId, payload)
       ElMessage.success('往来单位已新增')
     }
     editorOpen.value = false
@@ -365,6 +407,8 @@ async function savePartner() {
 }
 
 async function toggleStatus(row: PlatformPartnerResource) {
+  const tenantId = requireCurrentTenant()
+  if (!tenantId) return
   const nextStatus: PlatformPartnerStatus = row.status === 'ACTIVE' ? 'INACTIVE' : 'ACTIVE'
   const action = nextStatus === 'ACTIVE' ? '启用' : '停用'
   try {
@@ -379,7 +423,7 @@ async function toggleStatus(row: PlatformPartnerResource) {
   const id = String(row.id)
   statusLoadingIds.value = new Set(statusLoadingIds.value).add(id)
   try {
-    await changePlatformPartnerStatus(fixedTenantId, row.id, nextStatus)
+    await changePlatformPartnerStatus(tenantId, row.id, nextStatus)
     ElMessage.success(`往来单位已${action}`)
     await loadPartners()
   } catch (error) {
@@ -397,12 +441,24 @@ function formatUpdatedAt(value?: string | null) {
 }
 
 watch([page, pageSize], () => { void loadPartners() })
-
-onMounted(loadPartners)
+watch(selectedTenantId, (tenantId) => {
+  editorOpen.value = false
+  detailOpen.value = false
+  importOpen.value = false
+  detail.value = null
+  importFile.value = null
+  importResult.value = null
+  rows.value = []
+  total.value = 0
+  loadedTenantId.value = null
+  page.value = 1
+  void loadPartners(tenantId)
+})
 </script>
 
 <template>
   <div class="business-page partners-page">
+    <PlatformTenantSelector v-model="selectedTenantId" :disabled="tenantSwitchDisabled" />
     <QueryToolbar v-model="filters" class="surface-panel" ariaLabel="往来单位筛选" :fields="queryFields" @search="searchPartners" />
 
     <section v-if="loadError" class="surface-panel partners-error" role="alert">
@@ -411,18 +467,18 @@ onMounted(loadPartners)
         <p>{{ loadError.message }}</p>
         <ApiErrorMeta :details="loadError" />
       </div>
-      <el-button type="primary" :loading="loading" @click="loadPartners">重新加载</el-button>
+      <el-button type="primary" :loading="loading" @click="loadPartners()">重新加载</el-button>
     </section>
 
     <section v-else class="surface-panel table-panel" :aria-busy="loading">
       <div class="partners-table-header">
         <div class="partners-table-heading">
           <h2>往来单位列表</h2>
-          <span>共 {{ total }} 个往来单位</span>
+          <span>租户 {{ selectedTenantId || '—' }} · 共 {{ total }} 个往来单位</span>
         </div>
         <div class="partners-primary-actions">
-          <el-button v-if="access.can('platform:counterparty:import')" :disabled="loading" @click="openImport"><Upload :size="16" />批量导入</el-button>
-          <el-button v-if="access.can('platform:counterparty:create')" type="primary" :disabled="loading" @click="openCreate"><Plus :size="16" />新增往来单位</el-button>
+          <el-button v-if="access.can('platform:counterparty:import')" :disabled="loading || !tenantReady" @click="openImport"><Upload :size="16" />批量导入</el-button>
+          <el-button v-if="access.can('platform:counterparty:create')" type="primary" :disabled="loading || !tenantReady" @click="openCreate"><Plus :size="16" />新增往来单位</el-button>
         </div>
       </div>
       <DataTable
@@ -440,8 +496,8 @@ onMounted(loadPartners)
         <template #actions="{ row }">
           <div class="table-actions">
             <el-button link type="primary" @click="openDetail(row as PlatformPartnerResource)"><Eye :size="15" />详情</el-button>
-            <el-button v-if="access.can('platform:counterparty:edit')" link type="primary" @click="openEdit(row as PlatformPartnerResource)"><Pencil :size="15" />编辑</el-button>
-            <el-button v-if="access.can('platform:counterparty:status')" link :type="(row as PlatformPartnerResource).status === 'ACTIVE' ? 'danger' : 'success'" :loading="statusLoadingIds.has(String((row as PlatformPartnerResource).id))" @click="toggleStatus(row as PlatformPartnerResource)"><Power :size="15" />{{ (row as PlatformPartnerResource).status === 'ACTIVE' ? '停用' : '启用' }}</el-button>
+            <el-button v-if="access.can('platform:counterparty:edit')" link type="primary" :disabled="!tenantReady" @click="openEdit(row as PlatformPartnerResource)"><Pencil :size="15" />编辑</el-button>
+            <el-button v-if="access.can('platform:counterparty:status')" link :disabled="!tenantReady" :type="(row as PlatformPartnerResource).status === 'ACTIVE' ? 'danger' : 'success'" :loading="statusLoadingIds.has(String((row as PlatformPartnerResource).id))" @click="toggleStatus(row as PlatformPartnerResource)"><Power :size="15" />{{ (row as PlatformPartnerResource).status === 'ACTIVE' ? '停用' : '启用' }}</el-button>
           </div>
         </template>
         <template #partner="{ row }"><div class="partner-cell"><span><Building2 :size="18" /></span><div><strong>{{ (row as PlatformPartnerResource).partnerName }}</strong><small>{{ (row as PlatformPartnerResource).partnerCode }}</small></div></div></template>

src/modules/master-data/express-companies/api/platformExpressCompanies.ts

@@ -51,7 +51,7 @@ export interface PlatformExpressCompanyImportResult {
 const basePath = '/platform/v1/express-companies'
 
 export async function listPlatformExpressCompanies(
-  tenantId: number,
+  tenantId: number | string,
   page = 1,
   size = 20,
   keyword = '',
@@ -76,7 +76,7 @@ export async function listPlatformExpressCompanies(
   }
 }
 
-export async function getPlatformExpressCompany(tenantId: number, id: number | string) {
+export async function getPlatformExpressCompany(tenantId: number | string, id: number | string) {
   const response = await http.get<ApiEnvelope<PlatformExpressCompanyResource>, ApiEnvelope<PlatformExpressCompanyResource>>(
     `${basePath}/${id}`,
     { params: { tenantId } },
@@ -84,7 +84,7 @@ export async function getPlatformExpressCompany(tenantId: number, id: number | s
   return unwrapApiResponse(response)
 }
 
-export async function createPlatformExpressCompany(tenantId: number, payload: SavePlatformExpressCompanyRequest) {
+export async function createPlatformExpressCompany(tenantId: number | string, payload: SavePlatformExpressCompanyRequest) {
   const response = await http.post<ApiEnvelope<number | string>, ApiEnvelope<number | string>>(basePath, payload, {
     params: { tenantId },
   })
@@ -92,7 +92,7 @@ export async function createPlatformExpressCompany(tenantId: number, payload: Sa
 }
 
 export async function updatePlatformExpressCompany(
-  tenantId: number,
+  tenantId: number | string,
   id: number | string,
   payload: SavePlatformExpressCompanyRequest,
 ) {
@@ -103,7 +103,7 @@ export async function updatePlatformExpressCompany(
 }
 
 export async function changePlatformExpressCompanyStatus(
-  tenantId: number,
+  tenantId: number | string,
   id: number | string,
   status: PlatformExpressCompanyStatus,
 ) {
@@ -117,7 +117,7 @@ export async function downloadPlatformExpressCompanyImportTemplate() {
   return http.get<Blob, Blob>(`${basePath}/import-template`, { responseType: 'blob' })
 }
 
-export async function importPlatformExpressCompanies(tenantId: number, file: File) {
+export async function importPlatformExpressCompanies(tenantId: number | string, file: File) {
   const formData = new FormData()
   formData.append('file', file)
   const response = await http.post<ApiEnvelope<PlatformExpressCompanyImportResult>, ApiEnvelope<PlatformExpressCompanyImportResult>>(

src/modules/master-data/express-companies/pages/ExpressCompaniesView.test.ts

@@ -5,6 +5,8 @@ import { afterAll, afterEach, beforeEach, describe, expect, it, vi } from 'vites
 import { listPlatformExpressCompanies, type PlatformExpressCompanyResource } from '@/modules/master-data/express-companies/api/platformExpressCompanies'
 import { useAccessPreviewStore } from '@/core/access/accessPreview'
 import { useAuthStore } from '@/core/auth/auth'
+import { listPlatformTenants, type PlatformTenantResource } from '../../../iam/api/platformIam'
+import PlatformTenantSelector from '../../../iam/components/PlatformTenantSelector.vue'
 import ExpressCompaniesView from './ExpressCompaniesView.vue'
 
 vi.mock('@/modules/master-data/express-companies/api/platformExpressCompanies', () => ({
@@ -14,6 +16,8 @@ vi.mock('@/modules/master-data/express-companies/api/platformExpressCompanies',
   changePlatformExpressCompanyStatus: vi.fn(),
 }))
 
+vi.mock('../../../iam/api/platformIam', () => ({ listPlatformTenants: vi.fn() }))
+
 class ResizeObserverStub implements ResizeObserver {
   observe() {}
   unobserve() {}
@@ -45,6 +49,16 @@ const company: PlatformExpressCompanyResource = {
   updatedAt: '2026-07-31T10:20:00',
 }
 
+const tenant = (id: number | string, tenantName: string): PlatformTenantResource => ({
+  id, tenantCode: String(id), tenantName, status: 'ACTIVE', legalName: tenantName,
+  legalRepresentative: null, unifiedSocialCreditCode: null, contactName: null,
+  contactPhone: null, contactEmail: null, servicePackage: null, contactWechat: null,
+  salesOwnerName: null, paymentTermDays: null, enterpriseType: null, establishedDate: null,
+  registeredCapital: null, registeredCapitalCurrency: null, registeredAddress: null,
+  internalRemark: null, createdAt: null, approvedAt: null,
+})
+const snowflakeTenantId = '9223372036854775806'
+
 async function mountView() {
   vi.stubGlobal('localStorage', createMemoryStorage())
   vi.stubGlobal('sessionStorage', createMemoryStorage())
@@ -69,6 +83,9 @@ describe('ExpressCompaniesView query and table migration', () => {
   beforeEach(() => {
     vi.stubGlobal('ResizeObserver', ResizeObserverStub)
     document.body.innerHTML = ''
+    vi.mocked(listPlatformTenants).mockReset().mockResolvedValue({
+      records: [tenant(10001, '默认企业'), tenant(snowflakeTenantId, '雪花企业')], page: 1, size: 200, total: 2, pages: 1,
+    })
     vi.mocked(listPlatformExpressCompanies).mockReset().mockResolvedValue({
       records: [company], page: 1, size: 20, total: 1, pages: 1,
     })
@@ -95,4 +112,13 @@ describe('ExpressCompaniesView query and table migration', () => {
 
     expect(listPlatformExpressCompanies).toHaveBeenLastCalledWith(10001, 1, 20, '顺丰', '')
   })
+
+  it('preserves a snowflake tenant id as a string when switching enterprises', async () => {
+    const wrapper = await mountView()
+
+    wrapper.findComponent(PlatformTenantSelector).vm.$emit('update:modelValue', snowflakeTenantId)
+    await flushPromises()
+
+    expect(listPlatformExpressCompanies).toHaveBeenLastCalledWith(snowflakeTenantId, 1, 20, '', '')
+  })
 })

src/modules/master-data/express-companies/pages/ExpressCompaniesView.vue

@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { computed, onMounted, reactive, ref, watch } from 'vue'
+import { computed, reactive, ref, watch } from 'vue'
 import { ElMessage, ElMessageBox, type FormInstance, type FormRules } from 'element-plus'
 import { Download, ExternalLink, FileSpreadsheet, Pencil, Plus, Power, Truck, Upload } from '@lucide/vue'
 import ApiErrorMeta from '@/shared/components/ApiErrorMeta.vue'
@@ -21,8 +21,8 @@ import {
   type SavePlatformExpressCompanyRequest,
 } from '@/modules/master-data/express-companies/api/platformExpressCompanies'
 import { useAccessPreviewStore } from '@/core/access/accessPreview'
+import { PlatformTenantSelector } from '@/modules/iam'
 
-const fixedTenantId = 10001
 const access = useAccessPreviewStore()
 const loading = ref(false)
 const saving = ref(false)
@@ -34,6 +34,8 @@ const rows = ref<PlatformExpressCompanyResource[]>([])
 const page = ref(1)
 const pageSize = ref(20)
 const total = ref(0)
+const selectedTenantId = ref('')
+const loadedTenantId = ref<string | null>(null)
 const loadError = ref<ApiErrorDetails | null>(null)
 const statusLoadingIds = ref(new Set<string>())
 const editLoadingIds = ref(new Set<string>())
@@ -91,6 +93,16 @@ const { captureBaseline } = useUnsavedWorkRegistration({
   requiredPermission: editorPermission,
 })
 
+const tenantReady = computed(() => Boolean(selectedTenantId.value)
+  && loadedTenantId.value === selectedTenantId.value
+  && !loading.value)
+const tenantSwitchDisabled = computed(() => editorOpen.value
+  || importOpen.value
+  || saving.value
+  || importing.value
+  || editLoadingIds.value.size > 0
+  || statusLoadingIds.value.size > 0)
+
 watch(
   () => access.can(editorPermission.value),
   (canWrite) => {
@@ -131,13 +143,27 @@ const expressCompanyColumns: DataTableColumn[] = [
   { key: 'status', label: '状态', width: 100, slotName: 'status' },
 ]
 
-async function loadExpressCompanies() {
+function apiTenantId(value: string) {
+  const numeric = Number(value)
+  return Number.isSafeInteger(numeric) ? numeric : value
+}
+
+function requireCurrentTenant() {
+  if (!tenantReady.value) {
+    ElMessage.warning('快递公司数据尚未加载完成，请稍后重试')
+    return null
+  }
+  return apiTenantId(selectedTenantId.value)
+}
+
+async function loadExpressCompanies(tenantId = selectedTenantId.value) {
+  if (!tenantId) return
   const sequence = ++loadSequence
   loading.value = true
   loadError.value = null
   try {
     const result = await listPlatformExpressCompanies(
-      fixedTenantId,
+      apiTenantId(tenantId),
       page.value,
       pageSize.value,
       appliedFilters.value.keyword,
@@ -146,6 +172,7 @@ async function loadExpressCompanies() {
     if (sequence !== loadSequence) return
     rows.value = result.records
     total.value = result.total
+    loadedTenantId.value = tenantId
   } catch (error) {
     if (sequence !== loadSequence) return
     rows.value = []
@@ -169,6 +196,7 @@ function applyFilters(model: QueryModel) {
 }
 
 function openCreate() {
+  if (!requireCurrentTenant()) return
   Object.assign(form, emptyForm())
   captureBaseline()
   editorOpen.value = true
@@ -192,12 +220,14 @@ function assignEditor(row: PlatformExpressCompanyResource) {
 }
 
 async function openEdit(row: PlatformExpressCompanyResource) {
+  const tenantId = requireCurrentTenant()
+  if (!tenantId) return
   const id = String(row.id)
   const pending = new Set(editLoadingIds.value)
   pending.add(id)
   editLoadingIds.value = pending
   try {
-    assignEditor(await getPlatformExpressCompany(fixedTenantId, row.id))
+    assignEditor(await getPlatformExpressCompany(tenantId, row.id))
   } catch (error) {
     const details = getApiErrorDetails(error, '快递公司详情加载失败，请稍后重试')
     ElMessage.error(details.requestId ? `${details.message}（requestId: ${details.requestId}）` : details.message)
@@ -262,6 +292,8 @@ function selectImportFile(event: Event) {
 }
 
 async function submitImport() {
+  const tenantId = requireCurrentTenant()
+  if (!tenantId) return
   if (!importFile.value) {
     ElMessage.warning('请先选择填写完成的 XLSX 文件')
     return
@@ -270,7 +302,7 @@ async function submitImport() {
   importError.value = null
   importResult.value = null
   try {
-    const result = await importPlatformExpressCompanies(fixedTenantId, importFile.value)
+    const result = await importPlatformExpressCompanies(tenantId, importFile.value)
     importResult.value = result
     if (result.success) {
       ElMessage.success(`成功导入 ${result.importedRows} 家快递公司`)
@@ -308,13 +340,15 @@ function buildPayload(): SavePlatformExpressCompanyRequest {
 }
 
 async function saveExpressCompany() {
+  const tenantId = requireCurrentTenant()
+  if (!tenantId) return
   const valid = await formRef.value?.validate().catch(() => false)
   if (!valid) return
   saving.value = true
   try {
     const payload = buildPayload()
-    if (form.id) await updatePlatformExpressCompany(fixedTenantId, form.id, payload)
-    else await createPlatformExpressCompany(fixedTenantId, payload)
+    if (form.id) await updatePlatformExpressCompany(tenantId, form.id, payload)
+    else await createPlatformExpressCompany(tenantId, payload)
     editorOpen.value = false
     ElMessage.success(form.id ? '快递公司资料已更新' : '快递公司已创建')
     await loadExpressCompanies()
@@ -327,6 +361,8 @@ async function saveExpressCompany() {
 }
 
 async function toggleStatus(row: PlatformExpressCompanyResource) {
+  const tenantId = requireCurrentTenant()
+  if (!tenantId) return
   const nextStatus: PlatformExpressCompanyStatus = row.status === 'ACTIVE' ? 'INACTIVE' : 'ACTIVE'
   const action = nextStatus === 'ACTIVE' ? '启用' : '停用'
   try {
@@ -343,7 +379,7 @@ async function toggleStatus(row: PlatformExpressCompanyResource) {
   pending.add(id)
   statusLoadingIds.value = pending
   try {
-    await changePlatformExpressCompanyStatus(fixedTenantId, row.id, nextStatus)
+    await changePlatformExpressCompanyStatus(tenantId, row.id, nextStatus)
     ElMessage.success(`已${action}${row.companyName}`)
     await loadExpressCompanies()
   } catch (error) {
@@ -357,19 +393,28 @@ async function toggleStatus(row: PlatformExpressCompanyResource) {
 }
 
 watch([page, pageSize], () => { void loadExpressCompanies() })
-
-onMounted(() => {
-  void loadExpressCompanies()
+watch(selectedTenantId, (tenantId) => {
+  editorOpen.value = false
+  importOpen.value = false
+  importFile.value = null
+  importResult.value = null
+  importError.value = null
+  rows.value = []
+  total.value = 0
+  loadedTenantId.value = null
+  page.value = 1
+  void loadExpressCompanies(tenantId)
 })
 </script>
 
 <template>
   <div class="business-page express-company-page">
+    <PlatformTenantSelector v-model="selectedTenantId" :disabled="tenantSwitchDisabled" />
     <el-alert v-if="loadError" type="error" :closable="false" show-icon class="state-alert">
       <template #title>快递公司加载失败</template>
       <p>{{ loadError.message }}</p>
       <ApiErrorMeta :details="loadError" />
-      <el-button size="small" @click="loadExpressCompanies">重新查询</el-button>
+      <el-button size="small" @click="loadExpressCompanies()">重新查询</el-button>
     </el-alert>
 
     <QueryToolbar v-model="filters" class="surface-panel" ariaLabel="快递公司筛选" :fields="queryFields" @search="applyFilters" />
@@ -378,11 +423,11 @@ onMounted(() => {
       <div class="panel-heading">
         <div>
           <h2>快递公司列表</h2>
-          <p>共 {{ total }} 家快递公司</p>
+          <p>租户 {{ selectedTenantId || '—' }} · 共 {{ total }} 家快递公司</p>
         </div>
         <div class="panel-actions">
-          <el-button v-if="access.can('platform:express:import')" @click="openImport"><Upload :size="16" />批量导入</el-button>
-          <el-button v-if="access.can('platform:express:create')" type="primary" @click="openCreate"><Plus :size="16" />新增快递公司</el-button>
+          <el-button v-if="access.can('platform:express:import')" :disabled="!tenantReady" @click="openImport"><Upload :size="16" />批量导入</el-button>
+          <el-button v-if="access.can('platform:express:create')" type="primary" :disabled="!tenantReady" @click="openCreate"><Plus :size="16" />新增快递公司</el-button>
         </div>
       </div>
       <DataTable
@@ -403,12 +448,14 @@ onMounted(() => {
               v-if="access.can('platform:express:edit')"
               link
               type="primary"
+              :disabled="!tenantReady"
               :loading="editLoadingIds.has(String((row as PlatformExpressCompanyResource).id))"
               @click="openEdit(row as PlatformExpressCompanyResource)"
             ><Pencil :size="15" />编辑</el-button>
             <el-button
               v-if="access.can('platform:express:status')"
               link
+              :disabled="!tenantReady"
               :type="(row as PlatformExpressCompanyResource).status === 'ACTIVE' ? 'danger' : 'success'"
               :loading="statusLoadingIds.has(String((row as PlatformExpressCompanyResource).id))"
               @click="toggleStatus(row as PlatformExpressCompanyResource)"