diff --git a/frontend/src/App.vue b/frontend/src/App.vue
index 95c55f5..6723982 100644
--- a/frontend/src/App.vue
+++ b/frontend/src/App.vue
@@ -64,4 +64,22 @@ body {
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
 }
+
+/* 修复按钮图标与文本的垂直对齐 */
+.ant-btn {
+  display: inline-flex !important;
+  align-items: center !important;
+  justify-content: center !important;
+}
+
+.ant-btn .anticon {
+  display: inline-flex !important;
+  align-items: center !important;
+  line-height: 1 !important;
+}
+
+.ant-btn > span {
+  display: inline-flex !important;
+  align-items: center !important;
+}
 </style>
diff --git a/frontend/src/components/Navbar.vue b/frontend/src/components/Navbar.vue
index 02cef57..b38c8b3 100644
--- a/frontend/src/components/Navbar.vue
+++ b/frontend/src/components/Navbar.vue
@@ -1,5 +1,14 @@
 <template>
-  <div class="sticky top-0 z-50 md3-surface elevation-2 border-b border-outline-variant">
+  <div
+    class="navbar-wrapper sticky top-0 z-50"
+    :style="{
+      backgroundColor: isDark ? '#1c1b1f' : '#ffffff',
+      boxShadow: isDark
+        ? '0 2px 8px rgba(0, 0, 0, 0.6), 0 4px 16px rgba(0, 0, 0, 0.4)'
+        : '0 2px 8px rgba(0, 0, 0, 0.15), 0 4px 16px rgba(0, 0, 0, 0.1)',
+      borderBottom: isDark ? '1px solid rgba(255, 255, 255, 0.1)' : '1px solid rgba(0, 0, 0, 0.08)',
+    }"
+  >
     <nav class="max-w-7xl mx-auto px-6 py-4">
       <div class="flex items-center justify-between">
         <!-- Logo and Brand -->
@@ -18,10 +27,10 @@
             <router-link v-slot="{ isActive }" to="/dashboard" custom>
               <a
                 :class="[
-                  'px-4 py-2 rounded-full font-medium transition-all cursor-pointer',
+                  'nav-button px-4 py-2 rounded-full font-medium transition-all cursor-pointer',
                   isActive
                     ? 'bg-primary-100 dark:bg-primary-900/30 text-primary-700 dark:text-primary-400'
-                    : 'text-on-surface hover:bg-surface-container',
+                    : 'text-on-surface',
                 ]"
                 @click="router.push('/dashboard')"
               >
@@ -35,10 +44,10 @@
             <router-link v-slot="{ isActive }" to="/tasks" custom>
               <a
                 :class="[
-                  'px-4 py-2 rounded-full font-medium transition-all cursor-pointer',
+                  'nav-button px-4 py-2 rounded-full font-medium transition-all cursor-pointer',
                   isActive
                     ? 'bg-primary-100 dark:bg-primary-900/30 text-primary-700 dark:text-primary-400'
-                    : 'text-on-surface hover:bg-surface-container',
+                    : 'text-on-surface',
                 ]"
                 @click="router.push('/tasks')"
               >
@@ -52,10 +61,10 @@
             <router-link v-slot="{ isActive }" to="/records" custom>
               <a
                 :class="[
-                  'px-4 py-2 rounded-full font-medium transition-all cursor-pointer',
+                  'nav-button px-4 py-2 rounded-full font-medium transition-all cursor-pointer',
                   isActive
                     ? 'bg-primary-100 dark:bg-primary-900/30 text-primary-700 dark:text-primary-400'
-                    : 'text-on-surface hover:bg-surface-container',
+                    : 'text-on-surface',
                 ]"
                 @click="router.push('/records')"
               >
@@ -70,10 +79,10 @@
             <a-dropdown v-if="authStore.isAdmin" :trigger="['hover']">
               <a
                 :class="[
-                  'px-4 py-2 rounded-full font-medium transition-all flex items-center space-x-2 cursor-pointer',
+                  'admin-nav-button px-4 py-2 rounded-full font-medium transition-all flex items-center space-x-2 cursor-pointer',
                   isAdminPath
                     ? 'bg-secondary-100 dark:bg-secondary-900/30 text-secondary-700 dark:text-secondary-400'
-                    : 'text-on-surface hover:bg-surface-container',
+                    : 'text-on-surface',
                 ]"
               >
                 <SettingOutlined />
@@ -113,7 +122,7 @@
           <!-- Token Status Indicator (Desktop & Mobile) -->
           <a-tooltip v-if="showTokenStatus" :title="tokenStatusTooltip">
             <div
-              class="px-2 md:px-3 py-1.5 rounded-full cursor-pointer transition-all hover:bg-surface-container flex items-center space-x-1 md:space-x-2"
+              class="navbar-item px-2 md:px-3 py-1.5 rounded-full cursor-pointer transition-all flex items-center space-x-1 md:space-x-2"
               @click="handleTokenStatusClick"
             >
               <a-badge :status="tokenBadgeStatus" />
@@ -137,7 +146,7 @@
           <a-tooltip :title="isDark ? '切换到亮色模式' : '切换到暗色模式'" placement="bottom">
             <button
               type="button"
-              class="w-10 h-10 rounded-full flex items-center justify-center hover:bg-surface-container transition-all"
+              class="navbar-item w-10 h-10 rounded-full flex items-center justify-center transition-all"
               @click="toggleTheme"
             >
               <BulbFilled v-if="isDark" class="text-xl text-yellow-400" />
@@ -148,7 +157,7 @@
           <!-- Desktop User Menu -->
           <a-dropdown v-if="!isMobile" :trigger="['hover']">
             <a
-              class="flex items-center space-x-3 px-4 py-2 rounded-full hover:bg-surface-container transition-all cursor-pointer"
+              class="navbar-item flex items-center space-x-3 px-4 py-2 rounded-full transition-all cursor-pointer"
             >
               <a-avatar :style="{ backgroundColor: '#f56a00' }">
                 {{ userInitial }}
@@ -185,7 +194,7 @@
           <button
             v-if="isMobile"
             type="button"
-            class="w-10 h-10 rounded-full flex items-center justify-center hover:bg-surface-container transition-all"
+            class="navbar-item w-10 h-10 rounded-full flex items-center justify-center transition-all"
             @click="drawerVisible = true"
           >
             <MenuOutlined class="text-xl text-on-surface" />
@@ -458,7 +467,3 @@ const handleQRCodeError = error => {
   message.error({ content: error?.message || 'Token 刷新失败', duration: 4 });
 };
 </script>
-
-<style scoped>
-/* Additional component-specific styles if needed */
-</style>
diff --git a/frontend/src/style.css b/frontend/src/style.css
index 5b675f1..ae1a5ff 100644
--- a/frontend/src/style.css
+++ b/frontend/src/style.css
@@ -532,6 +532,35 @@
     padding: 16px;
   }
 
+  /* === Navbar === */
+  .navbar-wrapper {
+    box-shadow:
+      0px 1px 2px 0px rgba(0, 0, 0, 0.12),
+      0px 2px 6px 2px rgba(0, 0, 0, 0.08) !important;
+    transition: box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
+  }
+
+  .navbar-wrapper .text-on-surface {
+    color: #1c1b1f;
+  }
+
+  /* 导航按钮悬浮效果 */
+  /* 普通导航按钮（绿色） */
+  .navbar-wrapper .nav-button:not(.bg-primary-100):hover {
+    background-color: rgba(76, 175, 80, 0.08) !important;
+  }
+
+  /* 管理后台按钮（蓝色） */
+  .navbar-wrapper .admin-nav-button:not(.bg-secondary-100):hover {
+    background-color: rgba(33, 150, 243, 0.08) !important;
+  }
+
+  /* 其他 navbar 组件的通用悬浮效果（绿色） */
+  .navbar-wrapper .navbar-item:hover {
+    background-color: rgba(76, 175, 80, 0.08) !important;
+  }
+
   /* === Button === */
   .ant-btn {
     border-radius: 20px;
@@ -810,6 +839,31 @@
 /* ============================================
    暗色模式特定样式
    ============================================ */
+/* Navbar 暗色模式 */
+.dark .navbar-wrapper {
+  box-shadow:
+    0px 2px 4px 0px rgba(0, 0, 0, 0.4),
+    0px 4px 8px 4px rgba(0, 0, 0, 0.3) !important;
+  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
+}
+
+.dark .navbar-wrapper .text-on-surface {
+  color: #e6e1e5;
+}
+
+.dark .navbar-wrapper .nav-button:not(.bg-primary-100):hover {
+  background-color: rgba(129, 199, 132, 0.12) !important;
+}
+
+.dark .navbar-wrapper .admin-nav-button:not(.bg-secondary-100):hover {
+  background-color: rgba(100, 181, 246, 0.12) !important;
+}
+
+.dark .navbar-wrapper .navbar-item:hover {
+  background-color: rgba(129, 199, 132, 0.12) !important;
+}
+
+/* Ant Design 组件暗色模式 */
 .dark .ant-card {
   background-color: var(--md-sys-color-surface-container-low);
   border-color: var(--md-sys-color-outline-variant);
@@ -1003,7 +1057,13 @@
   .elevation-2 {
     box-shadow:
       0px 1px 2px 0px rgba(0, 0, 0, 0.12),
-      0px 2px 6px 2px rgba(0, 0, 0, 0.08);
+      0px 2px 6px 2px rgba(0, 0, 0, 0.08) !important;
+  }
+
+  .dark .elevation-2 {
+    box-shadow:
+      0px 1px 2px 0px rgba(0, 0, 0, 0.3),
+      0px 2px 6px 2px rgba(0, 0, 0, 0.2) !important;
   }
 
   .elevation-3 {
diff --git a/frontend/src/views/DashboardView.vue b/frontend/src/views/DashboardView.vue
index 5e52d51..47797cf 100644
--- a/frontend/src/views/DashboardView.vue
+++ b/frontend/src/views/DashboardView.vue
@@ -46,6 +46,23 @@
                 </a-descriptions-item>
               </a-descriptions>
 
+              <!-- 刷新 Token 按钮 -->
+              <div style="margin-top: 24px; text-align: center">
+                <!-- Token 未过期时：禁用按钮并显示提示 -->
+                <a-tooltip v-if="tokenStatus.is_valid" title="Token 过期后才可以扫码刷新 Token">
+                  <a-button type="primary" size="large" :disabled="true">
+                    <template #icon><ReloadOutlined /></template>
+                    刷新 Token
+                  </a-button>
+                </a-tooltip>
+
+                <!-- Token 已过期时：启用按钮且无提示 -->
+                <a-button v-else type="primary" size="large" @click="qrcodeModalVisible = true">
+                  <template #icon><ReloadOutlined /></template>
+                  刷新 Token
+                </a-button>
+              </div>
+
               <a-alert
                 v-if="tokenStatus.expiring_soon"
                 message="Token 即将过期"
@@ -169,14 +186,22 @@
         </a-col>
       </a-row>
     </div>
+
+    <!-- QR Code Modal for Token Refresh -->
+    <QRCodeModal
+      v-model:visible="qrcodeModalVisible"
+      @success="handleQRCodeSuccess"
+      @error="handleQRCodeError"
+    />
   </Layout>
 </template>
 
 <script setup>
 import { ref, computed, onMounted } from 'vue';
 import { message } from 'ant-design-vue';
-import { CalendarOutlined, KeyOutlined, UserOutlined } from '@ant-design/icons-vue';
+import { CalendarOutlined, KeyOutlined, UserOutlined, ReloadOutlined } from '@ant-design/icons-vue';
 import Layout from '@/components/Layout.vue';
+import QRCodeModal from '@/components/QRCodeModal.vue';
 import { useAuthStore } from '@/stores/auth';
 import { useUserStore } from '@/stores/user';
 import { useTaskStore } from '@/stores/task';
@@ -199,6 +224,7 @@ const { startPolling } = usePollStatus({
 const tokenStatusLoading = ref(false);
 const checkInLoading = ref(false);
 const selectedTaskId = ref(null);
+const qrcodeModalVisible = ref(false);
 
 const tokenStatus = computed(() => userStore.tokenStatus);
 const lastCheckIn = computed(() => {
@@ -310,6 +336,24 @@ const handleCheckIn = async () => {
   }
 };
 
+// 处理扫码成功（Token 刷新）
+const handleQRCodeSuccess = async () => {
+  try {
+    // 获取最新的用户信息和 Token 状态
+    await authStore.fetchCurrentUser();
+    await fetchTokenStatus();
+    message.success({ content: 'Token 刷新成功！', duration: 3 });
+  } catch (error) {
+    console.error('刷新用户信息失败:', error);
+    message.error({ content: '获取最新信息失败，请刷新页面', duration: 3 });
+  }
+};
+
+// 处理扫码失败
+const handleQRCodeError = errorMsg => {
+  message.error({ content: errorMsg || '扫码刷新 Token 失败', duration: 3 });
+};
+
 onMounted(async () => {
   fetchTokenStatus();
   checkInStore.fetchMyRecords({ limit: 1 });