From 4d1003e46771e994e0131195a4f7c48f876105db Mon Sep 17 00:00:00 2001
From: gaoxq <376340421@qq.com>
Date: Fri, 3 Apr 2026 17:41:22 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E8=B7=AF=E7=94=B1=E5=AE=88=E5=8D=AB?=
 =?UTF-8?q?=E8=BF=9B=E5=85=A5=E9=9C=80=E8=AE=A4=E8=AF=81=E9=A1=B5=E9=9D=A2?=
 =?UTF-8?q?=E5=89=8D=E9=AA=8C=E8=AF=81=E5=90=8E=E7=AB=AF=E5=8F=AF=E7=94=A8?=
 =?UTF-8?q?=E6=80=A7?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 web-vue/src/router/index.js | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/web-vue/src/router/index.js b/web-vue/src/router/index.js
index dadef08..3253342 100644
--- a/web-vue/src/router/index.js
+++ b/web-vue/src/router/index.js
@@ -44,13 +44,29 @@ const router = createRouter({
   routes
 })
 
-router.beforeEach((to, from, next) => {
+router.beforeEach(async (to, from, next) => {
   const token = localStorage.getItem('token')
 
   if (to.meta.requiresAuth && !token) {
     next('/login')
   } else if (to.path === '/login' && token) {
     next('/desktop')
+  } else if (to.meta.requiresAuth && token) {
+    // 有 token 且要进需认证页面，先验证后端是否可用
+    try {
+      await fetch('/api/files/test')
+      next()
+    } catch {
+      // 后端不可用，清除登录状态跳转登录页
+      localStorage.removeItem('token')
+      localStorage.removeItem('username')
+      localStorage.removeItem('userId')
+      localStorage.removeItem('nickname')
+      localStorage.removeItem('avatar')
+      localStorage.removeItem('storageUsed')
+      localStorage.removeItem('storageLimit')
+      window.location.href = '/login'
+    }
   } else {
     next()
   }