diff --git a/src/permission.js b/src/permission.js
index 9392fc4..9610584 100644
--- a/src/permission.js
+++ b/src/permission.js
@@ -11,10 +11,10 @@ import NProgress from "nprogress"
 import "nprogress/nprogress.css"
 
 const whitePath = ['/', '/login', '/industryDataExport','/index']
-const token = sessionStorage.getItem('token');
 // console.log(token)
 router.beforeEach((to, from, next) => {
     NProgress.start()
+    const token = sessionStorage.getItem('token');
     if(!token && !whitePath.includes(to.path)) {
         next('/login');
     } else {