FIX 多级路由缓存失效

src/store/modules/keepAlive.js

@@ -1,6 +1,6 @@
 export default {
 	state: {
-		keepLiveRoute: [],
+		keepLiveRoute: ['empty'],
 		routeKey: null,
 		routeShow: true
 	},

src/views/other/empty.vue

@@ -8,6 +8,7 @@
 
 <script>
 	export default {
+		name: 'empty',
 		data() {
 			return {