更新 router-view缓存

src/App.vue

@@ -1,6 +1,10 @@
 <template>
   <Header class="z20" v-if="this.$store.state.isLogin"></Header>
-  <router-view></router-view>
+  <router-view v-slot="{ Component }">
+    <keep-alive>
+      <component :is="Component" />
+    </keep-alive>
+  </router-view>
 </template>
 
 <script>