diff --git a/frontend/src/views/TaskHall.vue b/frontend/src/views/TaskHall.vue
index 3b72093..d2c0f03 100644
--- a/frontend/src/views/TaskHall.vue
+++ b/frontend/src/views/TaskHall.vue
@@ -2557,16 +2557,22 @@ const configStore = useConfigStore()
 // 标签页
 const activeTab = ref('available')
 
-// 是否为部门负责人（从localStorage获取用户信息）
-const isDepartmentLeader = computed(() => {
+const parseUserInfo = () => {
   try {
     const userStr = localStorage.getItem('userInfo')
-    if (!userStr) return false
-    const user = JSON.parse(userStr)
-    return user?.isDepartmentLeader === 1 || user?.role === 'dept_leader' || user?.role === 'admin'
+    if (!userStr) return {}
+    return JSON.parse(userStr)
   } catch {
-    return false
+    return {}
   }
+}
+
+const currentUserInfo = ref<any>(parseUserInfo())
+
+// 是否为部门负责人
+const isDepartmentLeader = computed(() => {
+  const user = currentUserInfo.value || {}
+  return user?.isDepartmentLeader === 1 || user?.isDepartmentLeader === true || user?.role === 'dept_leader' || user?.role === 'admin'
 })
 
 // 部门视角切换功能（用于管理多个部门的负责人）
@@ -2600,7 +2606,7 @@ const effectiveDeptId = computed(() => {
 
 // 计算是否有导出权限（部门负责人或管理员）
 const canExportTaskHall = computed(() => {
-  const userInfo = JSON.parse(localStorage.getItem('userInfo') || '{}')
+  const userInfo = currentUserInfo.value || {}
   if (!userInfo || !userInfo.id) return false
   
   // 管理员可以导出
@@ -2624,35 +2630,42 @@ const canExportTaskHall = computed(() => {
 // 初始化部门视角数据
 const initDeptViewData = async () => {
   try {
-    const userStr = localStorage.getItem('userInfo')
-    let user = userStr ? JSON.parse(userStr) : null
-    
-    // 如果用户信息中没有 managedDepartments 字段，则调用 API 刷新
-    if (user && !user.managedDepartments) {
-      console.log('用户信息中没有 managedDepartments，刷新用户信息...')
-      try {
-        const response = await authApi.getUserInfo()
-        if (response.data) {
-          user = response.data
-          localStorage.setItem('userInfo', JSON.stringify(user))
-          console.log('用户信息已刷新:', user)
-        }
-      } catch (e) {
-        console.warn('刷新用户信息失败:', e)
+    let user: any = parseUserInfo()
+
+    // 每次进入任务大厅都刷新一次用户信息，避免本地缓存过期导致权限判断错误
+    try {
+      const response = await authApi.getUserInfo()
+      if (response.data) {
+        user = response.data
+        localStorage.setItem('userInfo', JSON.stringify(user))
       }
+    } catch (e) {
+      console.warn('刷新用户信息失败，回退本地缓存:', e)
     }
-    
-    if (user) {
+
+    currentUserInfo.value = user || {}
+
+    if (user && user.id) {
       userDeptId.value = user.deptId
       userDeptName.value = user.deptName || '我的部门'
-      userDeptType.value = user.deptType || 'demand'
+
+      // 优先使用后端返回的部门类型；缺失时从部门列表回填
+      let resolvedDeptType = user.deptType
+      if (!resolvedDeptType && Array.isArray(user.managedDepartments) && user.deptId) {
+        const selfDept = user.managedDepartments.find((dept: ManagedDepartment) => dept.deptId === user.deptId)
+        if (selfDept?.deptType) {
+          resolvedDeptType = selfDept.deptType
+        }
+      }
+      userDeptType.value = resolvedDeptType || 'demand'
       
       // 获取用户管理的部门列表
       if (user.managedDepartments && Array.isArray(user.managedDepartments)) {
         managedDepartments.value = user.managedDepartments.filter(
           (dept: ManagedDepartment) => dept.deptId !== user.deptId // 排除用户自己所属的部门
         )
-        console.log('用户管理的部门:', managedDepartments.value)
+      } else {
+        managedDepartments.value = []
       }
     }
   } catch (e) {
@@ -3415,7 +3428,7 @@ const isHighScoreTask = (task: TaskOrSubTask) => {
 // 判断是否可以下载附件
 const canDownloadAttachment = (task: TaskOrSubTask) => {
   // 管理员可下载
-  const userInfo = JSON.parse(localStorage.getItem('userInfo') || '{}')
+  const userInfo = currentUserInfo.value || {}
   if (userInfo.isAdmin === 1 || userInfo.isAdmin === true) {
     return true
   }
@@ -3438,12 +3451,27 @@ const parseAttachmentUrls = (attachmentUrl?: string) => {
 
 // 可接任务卡片：接单部门负责人可提前查看附件信息
 const canViewAvailableTaskAttachmentInfo = computed(() => {
-  const userInfo = JSON.parse(localStorage.getItem('userInfo') || '{}')
+  const userInfo = currentUserInfo.value || {}
   const isAdmin = userInfo.isAdmin === 1 || userInfo.isAdmin === true
   if (isAdmin) {
     return true
   }
-  return isDepartmentLeader.value && effectiveDeptType.value === 'receiving'
+
+  if (!isDepartmentLeader.value) {
+    return false
+  }
+
+  // 当前切换部门为接单部门
+  if (effectiveDeptType.value === 'receiving') {
+    return true
+  }
+
+  // 未切换视角时，用户自身部门为接单部门
+  if (currentDeptView.value === undefined && userDeptType.value === 'receiving') {
+    return true
+  }
+
+  return false
 })
 
 // 加载配置数据（从全局store加载）