diff --git a/web/src/services/request.ts b/web/src/services/request.ts
index 606e156..ec14187 100644
--- a/web/src/services/request.ts
+++ b/web/src/services/request.ts
@@ -55,12 +55,14 @@ async function request<T>(url: string, options: RequestInit = {}): Promise<T> {
   const headers: Record<string, string> = {
     ...((options.headers as Record<string, string>) || {}),
   }
+  // 记录本次请求实际使用的令牌，避免旧请求响应覆盖新会话。
+  const requestToken = token
   // FormData 时不要手动设置 Content-Type，由浏览器带 boundary
   const isForm = typeof FormData !== 'undefined' && options.body instanceof FormData
   if (!isForm && !headers['Content-Type']) {
     headers['Content-Type'] = 'application/json'
   }
-  if (token) headers['Authorization'] = `Bearer ${token}`
+  if (requestToken) headers['Authorization'] = `Bearer ${requestToken}`
 
   const res = await fetch(`${BASE}${url}`, { ...options, headers })
 	const nextPermissionVersion = res.headers.get('X-Permission-Version') || ''
@@ -73,17 +75,16 @@ async function request<T>(url: string, options: RequestInit = {}): Promise<T> {
 	}
   // 服务端滑动续期：静默替换本地令牌
   const renewed = res.headers.get('X-Renewed-Token')
-  if (renewed && renewed !== token) {
+  if (renewed && requestToken === token && renewed !== token) {
     setToken(renewed)
     tokenRenewedListener?.(renewed)
   }
   const json = await res.json()
 
-  if (json.code === 401) {
-    // 登录/续期请求本身的 401 交给调用方提示，不触发全局过期
-    if (!url.startsWith('/login') && !url.startsWith('/auth/refresh')) {
-      notifySessionExpired()
-    }
+  // 只处理当前会话令牌的 401；登录失败和已经被新令牌替换的旧请求不触发全局登出。
+  if ((res.status === 401 || json.code === 401) && url !== '/login' &&
+      requestToken !== '' && requestToken === token) {
+    notifySessionExpired()
   }
 
   if (json.code !== 0) {
diff --git a/web/src/stores/auth.tsx b/web/src/stores/auth.tsx
index 6ee9f1e..b40717d 100644
--- a/web/src/stores/auth.tsx
+++ b/web/src/stores/auth.tsx
@@ -1,6 +1,6 @@
 import { createContext, useContext, useState, useCallback, useEffect, type ReactNode } from 'react'
 import {
-  PERMISSIONS_CHANGED_EVENT, SESSION_EXPIRED_EVENT, onTokenRenewed, setToken, resetSessionExpiredFlag,
+  PERMISSIONS_CHANGED_EVENT, SESSION_EXPIRED_EVENT, getToken, onTokenRenewed, setToken, resetSessionExpiredFlag,
 } from '@/services/request'
 import {
   getMe,
@@ -141,28 +141,34 @@ export function AuthProvider({ children }: { children: ReactNode }) {
     }
 	}, [])
 
-  // 服务端滑动续期（X-Renewed-Token）：同步更新内存与 localStorage 中的令牌
-  useEffect(() => {
-    return onTokenRenewed(nextToken => {
-      setUser(prev => {
-        if (!prev) return prev
-        const updated = { ...prev, token: nextToken }
-        persistUser(updated)
-        return updated
-      })
+  // 所有续期入口共用：同步请求模块、React 状态和 localStorage 中的令牌
+  const applyRenewedToken = useCallback((nextToken: string) => {
+    if (!nextToken) return
+    setToken(nextToken)
+    setUser(prev => {
+      if (!prev || prev.token === nextToken) return prev
+      const updated = { ...prev, token: nextToken }
+      persistUser(updated)
+      return updated
     })
   }, [])
 
+  // 服务端滑动续期（X-Renewed-Token）
+  useEffect(() => onTokenRenewed(applyRenewedToken), [applyRenewedToken])
+
   // 定时续期：长挂机场景下每 10 分钟主动换新令牌，避免 WS 重连/请求时已过期
   useEffect(() => {
     if (!user?.token) return
+    const sessionToken = user.token
     const timer = window.setInterval(() => {
       void refreshSession().then(res => {
-        if (res.data?.token) setToken(res.data.token)
+        // 请求期间已退出、重新登录或由其它响应完成续期时，不再应用旧响应。
+        if (getToken() !== sessionToken) return
+        applyRenewedToken(res.data?.token || '')
       }).catch(() => { /* 401 已由 request 层统一处理；网络错误等待下一轮 */ })
     }, 10 * 60 * 1000)
     return () => window.clearInterval(timer)
-  }, [user?.token])
+  }, [applyRenewedToken, user?.token])
 
   // 会话过期（所有 401 的统一出口）：清理登录态并回到登录页
   useEffect(() => {