diff --git a/web/src/types/env.d.ts b/web/src/types/env.d.ts
index 766cc99..863fb8f 100644
--- a/web/src/types/env.d.ts
+++ b/web/src/types/env.d.ts
@@ -10,6 +10,7 @@ interface ImportMetaEnv {
   readonly VITE_DEBUG: string
   readonly VITE_MOCK: string
   readonly VITE_APP_DESCRIPTION: string
+  readonly BASE_URL: string
 }
 
 interface ImportMeta {
diff --git a/web/src/utils/request.ts b/web/src/utils/request.ts
index 4d2cf02..1583eb8 100644
--- a/web/src/utils/request.ts
+++ b/web/src/utils/request.ts
@@ -190,8 +190,13 @@ const createAxiosInstance = (): AxiosInstance => {
 const handleUnauthorized = () => {
   console.warn('🚫 收到401未授权响应')
 
-  // 检查当前页面是否是登录页，避免在登录页面重复处理
-  if (window.location.pathname === '/login') {
+  // 计算当前应用登录页路径，兼容本地和生产环境
+  const base = import.meta.env.BASE_URL || '/'
+  const normalizedBase = base.endsWith('/') ? base : `${base}/`
+  const loginPath = `${normalizedBase}login`
+
+  // 如果已经在登录页，避免重复处理
+  if (window.location.pathname === loginPath) {
     console.log('🚫 当前在登录页面，不处理401错误')
     return
   }
@@ -211,8 +216,8 @@ const handleUnauthorized = () => {
     localStorage.removeItem('refresh_token')
     localStorage.removeItem('user_info')
 
-    // 跳转到登录页
-    window.location.href = '/login'
+    // 使用带前缀的完整登录路径，避免 404
+    window.location.href = loginPath
   }).catch(() => {
     // 用户取消，不清除认证信息，让用户继续操作
     console.log('🚫 用户取消重新登录')