提示优化

front/src/router/index.js

@@ -575,13 +575,13 @@ router.beforeEach((to, from, next) => {
   // 定义失效时间
   const timeOver = 2 * 60 * 60 * 1000
   let date = new Date().getTime()
-  if (date - tokenStartTime > timeOver) {
+  if (date - tokenStartTime > timeOver && token) {
+    message.warning('登录失效，请重新登录！')
     token = null
   }
   console.log('判断token失效', token, date - tokenStartTime > timeOver)
   if (!token) {
     if (to.path == '/login') return next()
-    message.warning('登录失效，请重新登录！')
     return next('/login')
   } else if (to.path == '/login') {
     return next('/home')