fix: 导航栏用户显示改为 par_user 而非 token 串 + 注销同步清除

web/src/views/Layout.vue

@@ -53,11 +53,12 @@
 
 <script setup>
 const router = useRouter()
-const userEmail = ref(localStorage.getItem('par_token') || 'admin')
+const userEmail = ref(localStorage.getItem('par_user') || 'admin')
 
 const handleCommand = (cmd) => {
   if (cmd === 'logout') {
     localStorage.removeItem('par_token')
+    localStorage.removeItem('par_user')
     ElMessage.success('已退出')
     router.push('/login')
   }