fix(auth): 添加token过期检查并修复toast样式导入

在auth.js中添加了token过期检查功能，确保用户信息在token过期时不会被恢复。同时，在fn.js中修复了toast样式未导入的问题，确保toast显示正常。

 /*
  * @Date: 2022-05-18 22:56:08
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2023-02-10 15:13:01
- * @FilePath: /data-table/src/api/fn.js
+ * @LastEditTime: 2025-03-21 18:05:34
+ * @FilePath: /mlaj/src/api/fn.js
  * @Description: 文件描述
  */
 import axios from '@/utils/axios';
 import qs from 'Qs'
 import { showSuccessToast, showFailToast } from 'vant';
+import 'vant/lib/toast/style'
 
 /**
  * 网络请求功能函数
@@ -49,7 +50,7 @@ export const uploadFn = (api) => {
         // tslint:disable-next-line: no-console
         console.warn(res);
         if (!res.data.show) return false;
-        Toast({
+        showFailToast({
           icon: 'close',
           message: res.data.msg,
         });

+/*
+ * @Date: 2025-03-20 21:11:31
+ * @LastEditors: hookehuyr hookehuyr@gmail.com
+ * @LastEditTime: 2025-03-22 10:08:20
+ * @FilePath: /mlaj/src/contexts/auth.js
+ * @Description: 文件描述
+ */
 import { ref, provide, inject, onMounted } from 'vue'
 
 // 创建认证上下文的key
@@ -10,11 +17,29 @@ export function provideAuth() {
   const currentUser = ref(null)
   const loading = ref(true)
 
+  // 检查token是否过期（24小时）
+  const checkTokenExpiration = () => {
+    const loginTimestamp = localStorage.getItem('loginTimestamp')
+    if (loginTimestamp) {
+      const now = Date.now()
+      const diff = now - parseInt(loginTimestamp)
+      if (diff > 24 * 60 * 60 * 1000) { // 24小时
+        // 清理登录状态并返回false表示token已过期
+        logout()
+        return false
+      }
+    }
+    return true
+  }
+
   // 初始化时检查本地存储的用户信息
   onMounted(() => {
     const savedUser = localStorage.getItem('currentUser')
     if (savedUser) {
-      currentUser.value = JSON.parse(savedUser)
+      // 只有在token未过期的情况下才恢复用户信息
+      if (checkTokenExpiration()) {
+        currentUser.value = JSON.parse(savedUser)
+      }
     }
     loading.value = false
   })
@@ -23,6 +48,7 @@ export function provideAuth() {
   const login = (userData) => {
     currentUser.value = userData
     localStorage.setItem('currentUser', JSON.stringify(userData))
+    localStorage.setItem('loginTimestamp', Date.now().toString())
     return true
   }
 
@@ -30,6 +56,7 @@ export function provideAuth() {
   const logout = () => {
     currentUser.value = null
     localStorage.removeItem('currentUser')
+    localStorage.removeItem('loginTimestamp')
   }
 
   // 提供认证上下文