diff --git a/src/permission.js b/src/permission.js
index e1d1533c..a56c9d89 100644
--- a/src/permission.js
+++ b/src/permission.js
@@ -19,7 +19,7 @@ const whiteList = ['/login', '/authredirect']// no redirect whitelist
 router.beforeEach((to, from, next) => {
   NProgress.start() // 开启Progress
   const token = getToken()
-  if (typeof (token) === 'undefined') { // 判断是否有token
+  if (typeof (token) !== 'undefined') { // 判断是否有token
     if (to.path === '/login') {
       next({ path: '/' })
       NProgress.done() // if current page is dashboard will not trigger	afterEach hook, so manually handle it