From 8a14c5244ee49c606eabaf3a87a76c3a87498a70 Mon Sep 17 00:00:00 2001
From: gaoxq <376340421@qq.com>
Date: Fri, 3 Apr 2026 17:45:16 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E5=90=8E=E7=AB=AF=E6=8E=A2=E6=B5=8B?=
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---
 web-vue/src/router/index.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/web-vue/src/router/index.js b/web-vue/src/router/index.js
index 3253342..1925754 100644
--- a/web-vue/src/router/index.js
+++ b/web-vue/src/router/index.js
@@ -52,9 +52,13 @@ router.beforeEach(async (to, from, next) => {
   } 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
+    // 有 token 且要进需认证页面，先验证后端是否可用（5秒超时）
     try {
-      await fetch('/api/files/test')
+      const controller = new AbortController()
+      const timeoutId = setTimeout(() => controller.abort(), 5000)
+      const res = await fetch('/api/files/test', { signal: controller.signal })
+      clearTimeout(timeoutId)
+      if (!res.ok) throw new Error('backend error')
       next()
     } catch {
       // 后端不可用，清除登录状态跳转登录页