diff --git a/web/src/components/MainLayout.vue b/web/src/components/MainLayout.vue
index 257e41c..be4b003 100644
--- a/web/src/components/MainLayout.vue
+++ b/web/src/components/MainLayout.vue
@@ -39,8 +39,8 @@
         <div class="user-info" v-if="isLoggedIn">
           <el-icon class="user-icon"><UserFilled /></el-icon>
           <div class="user-meta">
-            <span class="user-name">{{ isAdmin ? '管理员' : '访客' }}</span>
-            <span class="user-role">{{ isAdmin ? 'Admin' : 'Guest' }}</span>
+            <span class="user-name">管理员</span>
+            <span class="user-role">Admin</span>
           </div>
         </div>
         <div class="footer-actions" v-if="isLoggedIn">
@@ -56,18 +56,8 @@
       </div>
     </aside>
 
-    <!-- 访客：顶部极简标题栏 -->
-    <header class="guest-header" v-if="!isAdmin">
-      <div class="guest-brand">
-        <img src="/logo.svg" alt="LAN Manager" style="width:22px;height:22px;" />
-        <span>LAN Manager</span>
-      </div>
-      <div class="guest-theme-toggle" @click="toggleTheme">
-        <el-icon><component :is="isDark ? Sunny : Moon" /></el-icon>
-      </div>
-    </header>
-
-    <main class="main" :class="{ 'guest-main': !isAdmin }">
+    <!-- 未登录用户：无侧边栏，只显示内容 -->
+    <main class="main" :class="{ 'no-sidebar': !isAdmin }">
       <div class="main-inner">
         <router-view />
       </div>
@@ -386,54 +376,14 @@ html.dark .brand-logo {
   background: var(--page-bg);
   transition: background .25s ease;
 }
+.main.no-sidebar {
+  margin-left: 0;
+}
+
 .main-inner {
   padding: 10px;
 }
 
-.guest-main {
-  margin-left: 0;
-  padding-top: 48px;
-}
-
-.guest-header {
-  position: fixed;
-  top: 0;
-  left: 0;
-  right: 0;
-  height: 48px;
-  background: var(--sidebar-bg);
-  border-bottom: 1px solid var(--border);
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  padding: 0 16px;
-  z-index: 100;
-}
-.guest-brand {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-  font-weight: 600;
-  font-size: 14px;
-  color: var(--text-primary);
-}
-.guest-theme-toggle {
-  width: 32px;
-  height: 32px;
-  border-radius: 50%;
-  background: var(--card-bg);
-  border: 1px solid var(--border);
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  cursor: pointer;
-  color: var(--text);
-  transition: all .2s ease;
-}
-.guest-theme-toggle:hover {
-  background: var(--hover-bg);
-}
-
 @media (max-width: 768px) {
   .sidebar { width: 64px; }
   .brand-text, .nav-item span, .user-meta, .footer-btn span, .theme-toggle span { display: none; }
@@ -442,6 +392,6 @@ html.dark .brand-logo {
   .user-info { justify-content: center; padding: 10px; }
   .theme-toggle { justify-content: center; padding: 10px; }
   .main { margin-left: 64px; }
-  .guest-main { margin-left: 0; }
+  .main.no-sidebar { margin-left: 0; }
 }
 </style>
diff --git a/web/src/router/index.js b/web/src/router/index.js
index 49f2955..5db560b 100644
--- a/web/src/router/index.js
+++ b/web/src/router/index.js
@@ -6,7 +6,7 @@ const routes = [
     path: '/login',
     name: 'Login',
     component: () => import('@/views/Login.vue'),
-    meta: { public: true, guestOnly: true },
+    meta: { guestOnly: true },
   },
   {
     path: '/',
@@ -59,30 +59,25 @@ router.beforeEach(async (to, from, next) => {
   if (!authChecked) {
     try {
       const { data } = await checkAuth()
-      authState = { ...data, is_logged_in: true }
+      authState = { is_admin: data.is_admin, is_logged_in: true }
     } catch (e) {
       authState = { is_admin: false, is_logged_in: false }
     }
     authChecked = true
   }
 
-  // 未登录，且不是公开页面也不是登录页 → 强制去登录
-  if (!authState.is_logged_in && !to.meta.public && !to.meta.guestOnly) {
-    return next('/login?redirect=' + encodeURIComponent(to.fullPath))
+  // 未登录用户访问 admin 专属页面 → 去机器列表
+  if (!authState.is_logged_in && to.meta.admin) {
+    return next('/machines')
   }
 
-  // 已登录访客，访问需要 admin 的页面 → 去机器列表
+  // 已登录但非管理员（防御性）访问 admin 页面 → 去机器列表
   if (authState.is_logged_in && !authState.is_admin && to.meta.admin) {
     return next('/machines')
   }
 
-  // 已登录访客，访问登录页 → 去机器列表
-  if (authState.is_logged_in && !authState.is_admin && to.meta.guestOnly) {
-    return next('/machines')
-  }
-
-  // 管理员访问登录页 → 去仪表盘
-  if (authState.is_admin && to.meta.guestOnly) {
+  // 管理员已登录，访问登录页 → 去仪表盘
+  if (authState.is_logged_in && authState.is_admin && to.meta.guestOnly) {
     return next('/dashboard')
   }
 
@@ -95,7 +90,7 @@ export function refreshAuth() {
 }
 
 export function setAuth(data) {
-  authState = { ...data, is_logged_in: true }
+  authState = { is_admin: data.is_admin, is_logged_in: true }
 }
 
 export function getAuth() {
diff --git a/web/src/views/MachineList.vue b/web/src/views/MachineList.vue
index a143940..3561142 100644
--- a/web/src/views/MachineList.vue
+++ b/web/src/views/MachineList.vue
@@ -115,7 +115,7 @@
         </div>
       </div>
 
-      <!-- 访客卡片：仅主机名 + 状态 + OS，不可点击 -->
+      <!-- 未登录用户卡片：仅主机名 + 状态 + OS，不可点击 -->
       <div v-if="!isAdmin" v-for="m in machines" :key="m.id" class="server-card guest-card"
            :class="[{ 'offline-card': !m.is_online }]">
         <div class="card-header">