token null validate

src/router/router.js

@@ -32,7 +32,12 @@ router.beforeEach((to, from, next) => {
     if (meta.isAuth !== true) {
         next();
     } else {
-        checkTokenValid(getToken()).then(res => {
+        const token = getToken();
+        if ('' === token || undefined === token) {
+            next({path: '/login'});
+            return;
+        }
+        checkTokenValid(token).then(res => {
             if (res.ok && store.getters.token.length > 0) {
                 next();
             } else {