diff --git a/shierfeng-fastapi-frontend/scripts/verify-business-contract.mjs b/shierfeng-fastapi-frontend/scripts/verify-business-contract.mjs
index c053738..a6d42f0 100644
--- a/shierfeng-fastapi-frontend/scripts/verify-business-contract.mjs
+++ b/shierfeng-fastapi-frontend/scripts/verify-business-contract.mjs
@@ -834,6 +834,35 @@ function hasExpectedRequest(expectedRequest) {
   )
 }
 
+const source = (relativePath) => readFile(path.join(frontendRoot, relativePath), 'utf8')
+
+test('Web 测试模式统一附加请求头并通过路由重建清空页面状态', async () => {
+  const requestSource = await source('src/utils/request.js')
+  const appMainSource = await source('src/layout/components/AppMain.vue')
+  const navbarSource = await source('src/layout/components/Navbar.vue')
+
+  assert.match(requestSource, /X-Test-Batch-Id/)
+  assert.match(requestSource, /TEST_BATCH_UNAVAILABLE/)
+  assert.match(appMainSource, /scopeVersion/)
+  assert.match(navbarSource, /TestBatchModeSwitch/)
+  assert.match(navbarSource, /测试数据/)
+})
+
+test('Web 测试批次上下文仅持久化 ID，登出清除 ID 且管理员标记严格来自后端布尔值', async () => {
+  const contextSource = await source('src/utils/testBatchContext.js')
+  const storeSource = await source('src/store/modules/testBatch.js')
+  const userSource = await source('src/store/modules/user.js')
+
+  assert.match(contextSource, /sessionStorage/)
+  assert.doesNotMatch(contextSource, /batchName|status|admin|permission/i)
+  assert.match(storeSource, /getStoredTestBatchId/)
+  assert.match(storeSource, /setStoredTestBatchId/)
+  assert.match(storeSource, /clearStoredTestBatchId/)
+  assert.match(userSource, /admin:\s*false/)
+  assert.match(userSource, /this\.admin\s*=\s*user\.admin\s*===\s*true/)
+  assert.match(userSource, /clearStoredTestBatchId\(\)/)
+})
+
 test('17 个页面的真实权限门禁逐项匹配独立硬编码契约', async () => {
   assert.equal(expectedPagePermissions.length, 17)
   assert.equal(expectedButtonPermissions.length, 44)
diff --git a/shierfeng-fastapi-frontend/src/api/system/testBatch.js b/shierfeng-fastapi-frontend/src/api/system/testBatch.js
new file mode 100644
index 0000000..5035aab
--- /dev/null
+++ b/shierfeng-fastapi-frontend/src/api/system/testBatch.js
@@ -0,0 +1,9 @@
+import request from '@/utils/request'
+
+// 查询当前用户可用的测试数据批次。
+export function listAvailableTestBatches() {
+  return request({
+    url: '/system/test-batch/options',
+    method: 'get'
+  })
+}
diff --git a/shierfeng-fastapi-frontend/src/components/TestBatchModeSwitch/index.vue b/shierfeng-fastapi-frontend/src/components/TestBatchModeSwitch/index.vue
new file mode 100644
index 0000000..e6390fc
--- /dev/null
+++ b/shierfeng-fastapi-frontend/src/components/TestBatchModeSwitch/index.vue
@@ -0,0 +1,185 @@
+<template>
+  <div class="test-batch-mode-switch">
+    <el-tag
+      v-if="isTestMode"
+      class="mode-tag test-mode-tag"
+      type="danger"
+      effect="dark"
+    >
+      测试数据 · {{ testBatchState.currentBatchName || '已选批次' }}
+    </el-tag>
+    <el-tag v-else class="mode-tag" type="info" effect="plain">正式数据</el-tag>
+
+    <el-radio-group v-model="selectedMode" class="mode-selector" size="small" @change="handleModeChange">
+      <el-radio-button label="formal">正式</el-radio-button>
+      <el-radio-button label="test" :disabled="isLoading || hasLoadError || !activeOptions.length">测试</el-radio-button>
+    </el-radio-group>
+
+    <el-select
+      v-if="selectedMode === 'test'"
+      v-model="selectedBatchId"
+      class="batch-selector"
+      size="small"
+      :loading="isLoading"
+      :disabled="isLoading || hasLoadError || !activeOptions.length"
+      placeholder="选择测试批次"
+      @change="handleBatchSelect"
+    >
+      <el-option
+        v-for="batch in activeOptions"
+        :key="batch.batchId"
+        :label="batch.batchName"
+        :value="String(batch.batchId)"
+      />
+    </el-select>
+  </div>
+</template>
+
+<script setup>
+import { computed, onMounted, reactive, ref, watch } from 'vue'
+import { ElMessage, ElMessageBox } from 'element-plus'
+
+const testBatchState = reactive({
+  options: [],
+  currentBatchId: '',
+  currentBatchName: '',
+  scopeVersion: 0
+})
+const selectedMode = ref('formal')
+const selectedBatchId = ref('')
+const isLoading = ref(true)
+const hasLoadError = ref(false)
+let testBatchStore
+
+const isTestMode = computed(() => Boolean(testBatchState.currentBatchId))
+const activeOptions = computed(() => testBatchState.options.filter(item => item.status === 'ACTIVE'))
+
+watch(
+  isTestMode,
+  value => {
+    selectedMode.value = value ? 'test' : 'formal'
+    selectedBatchId.value = value ? String(testBatchState.currentBatchId) : ''
+  },
+  { immediate: true }
+)
+
+onMounted(async () => {
+  hasLoadError.value = false
+  try {
+    const { default: useTestBatchStore } = await import('@/store/modules/testBatch')
+    testBatchStore = useTestBatchStore()
+    watch(
+      () => ({
+        options: testBatchStore.options,
+        currentBatchId: testBatchStore.currentBatchId,
+        currentBatchName: testBatchStore.currentBatchName,
+        scopeVersion: testBatchStore.scopeVersion
+      }),
+      value => Object.assign(testBatchState, value),
+      { deep: true, immediate: true }
+    )
+    await testBatchStore.refreshOptions()
+  } catch (error) {
+    testBatchState.options = []
+    hasLoadError.value = true
+    ElMessage.error('测试批次选项加载失败')
+  } finally {
+    isLoading.value = false
+  }
+})
+
+async function confirmModeSwitch() {
+  try {
+    await ElMessageBox.confirm('切换数据模式将清空当前页面未提交内容', '提示', {
+      confirmButtonText: '确定',
+      cancelButtonText: '取消',
+      type: 'warning'
+    })
+    return true
+  } catch {
+    return false
+  }
+}
+
+async function handleModeChange(mode) {
+  if (mode === 'test') {
+    if (!activeOptions.value.length) {
+      selectedMode.value = 'formal'
+      ElMessage.warning('暂无可用测试批次')
+    }
+    return
+  }
+
+  if (!isTestMode.value) {
+    return
+  }
+  if (await confirmModeSwitch()) {
+    testBatchStore.leaveTestMode()
+  } else {
+    selectedMode.value = 'test'
+  }
+}
+
+async function handleBatchSelect(batchId) {
+  const batch = activeOptions.value.find(item => String(item.batchId) === String(batchId))
+  if (!batch || String(batch.batchId) === String(testBatchState.currentBatchId)) {
+    return
+  }
+  if (!(await confirmModeSwitch())) {
+    selectedBatchId.value = isTestMode.value ? String(testBatchState.currentBatchId) : ''
+    selectedMode.value = isTestMode.value ? 'test' : 'formal'
+    return
+  }
+
+  try {
+    testBatchStore.selectBatch(batch)
+  } catch (error) {
+    selectedBatchId.value = isTestMode.value ? String(testBatchState.currentBatchId) : ''
+    selectedMode.value = isTestMode.value ? 'test' : 'formal'
+    ElMessage.error(error.message)
+  }
+}
+</script>
+
+<style lang="scss" scoped>
+.test-batch-mode-switch {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  min-width: 0;
+  height: 100%;
+}
+
+.mode-tag {
+  flex: 0 1 auto;
+  min-width: 0;
+  max-width: 154px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.test-mode-tag {
+  font-weight: 600;
+}
+
+.mode-selector {
+  flex: 0 0 auto;
+}
+
+.batch-selector {
+  width: 144px;
+  flex: 0 1 144px;
+}
+
+@media screen and (max-width: 767px) {
+  .mode-selector,
+  .batch-selector {
+    display: none;
+  }
+
+  .mode-tag {
+    max-width: 116px;
+  }
+}
+</style>
diff --git a/shierfeng-fastapi-frontend/src/layout/components/AppMain.vue b/shierfeng-fastapi-frontend/src/layout/components/AppMain.vue
index a50d845..bc82d70 100644
--- a/shierfeng-fastapi-frontend/src/layout/components/AppMain.vue
+++ b/shierfeng-fastapi-frontend/src/layout/components/AppMain.vue
@@ -3,7 +3,7 @@
     <router-view v-slot="{ Component, route }">
       <transition name="fade-transform" mode="out-in">
         <keep-alive :include="tagsViewStore.cachedViews">
-          <component v-if="!route.meta.link" :is="Component" :key="route.path"/>
+          <component v-if="!route.meta.link" :is="Component" :key="`${route.path}:${testBatchStore.scopeVersion}`"/>
         </keep-alive>
       </transition>
     </router-view>
@@ -19,9 +19,11 @@ import useTagsViewStore from '@/store/modules/tagsView'
 
 const route = useRoute()
 const tagsViewStore = useTagsViewStore()
+const testBatchStore = reactive({ scopeVersion: 0 })
 
 onMounted(() => {
   addIframe()
+  syncTestBatchScope()
 })
 
 watchEffect(() => {
@@ -33,6 +35,14 @@ function addIframe() {
     useTagsViewStore().addIframeView(route)
   }
 }
+
+async function syncTestBatchScope() {
+  const { default: useTestBatchStore } = await import('@/store/modules/testBatch')
+  const store = useTestBatchStore()
+  watch(() => store.scopeVersion, value => {
+    testBatchStore.scopeVersion = value
+  }, { immediate: true })
+}
 </script>
 
 <style lang="scss" scoped>
@@ -121,4 +131,3 @@ function addIframe() {
   border-radius: 3px;
 }
 </style>
-
diff --git a/shierfeng-fastapi-frontend/src/layout/components/Navbar.vue b/shierfeng-fastapi-frontend/src/layout/components/Navbar.vue
index 0d60daf..951a372 100644
--- a/shierfeng-fastapi-frontend/src/layout/components/Navbar.vue
+++ b/shierfeng-fastapi-frontend/src/layout/components/Navbar.vue
@@ -9,6 +9,7 @@
     </template>
 
     <div class="right-menu">
+      <test-batch-mode-switch class="right-menu-item test-batch-mode" aria-label="测试数据模式" />
       <template v-if="appStore.device !== 'mobile'">
         <header-search id="header-search" class="right-menu-item" />
 
@@ -59,6 +60,7 @@ import Hamburger from '@/components/Hamburger'
 import Screenfull from '@/components/Screenfull'
 import SizeSelect from '@/components/SizeSelect'
 import HeaderSearch from '@/components/HeaderSearch'
+import TestBatchModeSwitch from '@/components/TestBatchModeSwitch'
 import useAppStore from '@/store/modules/app'
 import useUserStore from '@/store/modules/user'
 import useSettingsStore from '@/store/modules/settings'
@@ -205,6 +207,9 @@ async function toggleTheme(event) {
     display: flex;
     align-items: center;
     margin-left: auto;
+    min-width: 0;
+    flex-shrink: 1;
+    overflow: hidden;
 
     &:focus {
       outline: none;
@@ -277,6 +282,25 @@ async function toggleTheme(event) {
         }
       }
     }
+
+    .test-batch-mode {
+      display: flex;
+      align-items: center;
+      min-width: 0;
+      font-size: 14px;
+    }
+  }
+}
+
+@media screen and (max-width: 767px) {
+  .navbar .right-menu {
+    .avatar-container .avatar-wrapper .user-nickname {
+      display: none;
+    }
+
+    .avatar-container .avatar-wrapper .user-avatar {
+      margin-right: 0;
+    }
   }
 }
 </style>
diff --git a/shierfeng-fastapi-frontend/src/store/modules/testBatch.js b/shierfeng-fastapi-frontend/src/store/modules/testBatch.js
new file mode 100644
index 0000000..efb5361
--- /dev/null
+++ b/shierfeng-fastapi-frontend/src/store/modules/testBatch.js
@@ -0,0 +1,53 @@
+import { defineStore } from 'pinia'
+import { listAvailableTestBatches } from '@/api/system/testBatch'
+import {
+  clearStoredTestBatchId,
+  getStoredTestBatchId,
+  setStoredTestBatchId
+} from '@/utils/testBatchContext'
+
+const useTestBatchStore = defineStore('testBatch', {
+  state: () => ({
+    options: [],
+    currentBatchId: getStoredTestBatchId(),
+    currentBatchName: '',
+    scopeVersion: 0
+  }),
+  getters: {
+    isTestMode: state => Boolean(state.currentBatchId)
+  },
+  actions: {
+    async refreshOptions() {
+      const response = await listAvailableTestBatches()
+      this.options = Array.isArray(response.data) ? response.data : []
+      const current = this.options.find(item => String(item.batchId) === String(this.currentBatchId))
+      if (this.currentBatchId && (!current || current.status !== 'ACTIVE')) {
+        this.leaveTestMode()
+      } else {
+        this.currentBatchName = current?.batchName || ''
+      }
+    },
+    selectBatch(batch) {
+      const allowed = this.options.some(item => item.batchId === batch.batchId && item.status === 'ACTIVE')
+      if (!allowed) {
+        throw new Error('所选测试批次当前不可用')
+      }
+      this.currentBatchId = String(batch.batchId)
+      this.currentBatchName = batch.batchName
+      setStoredTestBatchId(this.currentBatchId)
+      this.scopeVersion += 1
+    },
+    leaveTestMode() {
+      this.currentBatchId = ''
+      this.currentBatchName = ''
+      clearStoredTestBatchId()
+      this.scopeVersion += 1
+    },
+    reset() {
+      this.options = []
+      this.leaveTestMode()
+    }
+  }
+})
+
+export default useTestBatchStore
diff --git a/shierfeng-fastapi-frontend/src/store/modules/user.js b/shierfeng-fastapi-frontend/src/store/modules/user.js
index bba5dd6..caa814e 100644
--- a/shierfeng-fastapi-frontend/src/store/modules/user.js
+++ b/shierfeng-fastapi-frontend/src/store/modules/user.js
@@ -4,6 +4,7 @@ import { login, logout, getInfo } from '@/api/login'
 import { getToken, setToken, removeToken } from '@/utils/auth'
 import { isHttp, isEmpty } from "@/utils/validate"
 import defAva from '@/assets/images/profile.jpg'
+import { clearStoredTestBatchId } from '@/utils/testBatchContext'
 
 const useUserStore = defineStore(
   'user',
@@ -14,6 +15,7 @@ const useUserStore = defineStore(
       name: '',
       nickName: '',
       avatar: '',
+      admin: false,
       roles: [],
       permissions: []
     }),
@@ -53,6 +55,7 @@ const useUserStore = defineStore(
             this.name = user.userName
             this.nickName = user.nickName
             this.avatar = avatar
+            this.admin = user.admin === true
             /* 初始密码提示 */
             if(res.isDefaultModifyPwd) {
               ElMessageBox.confirm('您的密码还是初始密码，请修改密码！',  '安全提示', {  confirmButtonText: '确定',  cancelButtonText: '取消',  type: 'warning' }).then(() => {
@@ -78,7 +81,9 @@ const useUserStore = defineStore(
             this.token = ''
             this.roles = []
             this.permissions = []
+            this.admin = false
             removeToken()
+            clearStoredTestBatchId()
             resolve()
           }).catch(error => {
             reject(error)
diff --git a/shierfeng-fastapi-frontend/src/utils/request.js b/shierfeng-fastapi-frontend/src/utils/request.js
index c53d1fb..ba48bd6 100644
--- a/shierfeng-fastapi-frontend/src/utils/request.js
+++ b/shierfeng-fastapi-frontend/src/utils/request.js
@@ -6,6 +6,7 @@ import { tansParams, blobValidate } from '@/utils/shierfeng'
 import cache from '@/plugins/cache'
 import { saveAs } from 'file-saver'
 import useUserStore from '@/store/modules/user'
+import { clearStoredTestBatchId, getStoredTestBatchId } from '@/utils/testBatchContext'
 import {
   decryptTransportErrorResponse,
   decryptTransportResponse,
@@ -19,6 +20,19 @@ let downloadLoadingInstance;
 // 是否显示重新登录
 export let isRelogin = { show: false };
 
+async function rejectUnavailableTestBatch(data) {
+  const message = data.msg || '当前测试批次不可用，已切回正式数据模式'
+  clearStoredTestBatchId()
+  const { default: useTestBatchStore } = await import('@/store/modules/testBatch')
+  useTestBatchStore().leaveTestMode()
+  ElMessage({ message, type: 'error', duration: 5 * 1000 })
+  return Promise.reject(new Error(message))
+}
+
+function isTestBatchUnavailable(data) {
+  return data?.reason === 'TEST_BATCH_UNAVAILABLE'
+}
+
 axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
 // 创建axios实例
 const service = axios.create({
@@ -45,6 +59,10 @@ service.interceptors.request.use(async config => {
   if (getToken() && !isToken) {
     config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
   }
+  const testBatchId = getStoredTestBatchId()
+  if (getToken() && testBatchId) {
+    config.headers['X-Test-Batch-Id'] = String(testBatchId)
+  }
   if (!isRepeatSubmit && (config.method === 'post' || config.method === 'put')) {
     const requestObj = {
       url: config.url,
@@ -98,6 +116,9 @@ service.interceptors.request.use(async config => {
 service.interceptors.response.use(async res => {
     // 响应若命中了传输层加密，这里先还原为原始业务 JSON。
     res = await decryptTransportResponse(res)
+    if (isTestBatchUnavailable(res.data)) {
+      return rejectUnavailableTestBatch(res.data)
+    }
     // 未设置状态码则默认成功状态
     const code = res.data.code || 200;
     // 获取错误信息
@@ -135,6 +156,9 @@ service.interceptors.response.use(async res => {
   async error => {
     // 错误响应也可能是加密信封，先尝试解密再进入统一错误提示流程。
     error = await decryptTransportErrorResponse(error)
+    if (isTestBatchUnavailable(error.response?.data)) {
+      return rejectUnavailableTestBatch(error.response.data)
+    }
     // 若后端提示密钥失效，则清空本地公钥缓存并基于原始请求重试一次。
     if (shouldRetryTransportWithFreshKey(error) && error.config && !error.config.__transportRetried) {
       invalidateTransportKeyMeta()
diff --git a/shierfeng-fastapi-frontend/src/utils/testBatchContext.js b/shierfeng-fastapi-frontend/src/utils/testBatchContext.js
new file mode 100644
index 0000000..32b8da1
--- /dev/null
+++ b/shierfeng-fastapi-frontend/src/utils/testBatchContext.js
@@ -0,0 +1,13 @@
+const TEST_BATCH_STORAGE_KEY = 'test-batch-id'
+
+export function getStoredTestBatchId() {
+  return sessionStorage.getItem(TEST_BATCH_STORAGE_KEY) || ''
+}
+
+export function setStoredTestBatchId(batchId) {
+  sessionStorage.setItem(TEST_BATCH_STORAGE_KEY, String(batchId))
+}
+
+export function clearStoredTestBatchId() {
+  sessionStorage.removeItem(TEST_BATCH_STORAGE_KEY)
+}