登录增加验证码切换

web-vue/src/router/index.js

@@ -51,26 +51,6 @@ router.beforeEach(async (to, from, next) => {
     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（5秒超时）
-    try {
-      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
-      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()
   }