fix: 404 page back router done.

src/components/Navbar.vue

@@ -166,6 +166,8 @@ export default {
     },
     getNavViewName() {
       let name = this.$route.name;
+
+      if(this.$route.name === 'NotFound404') return;
       this.navViewName = this.$route.matched[1].name.toUpperCase();
       this.store.filesTag = 'ALL';
       switch (this.navViewName) {

src/views/NotFound404.vue

@@ -8,7 +8,7 @@
       <h2 class="mb-7">404</h2>
       <p>您想找的頁面不存在</p>
       <p class="mb-7">請重新確認搜尋的項目或是回到 Files 頁</p>
-      <router-link :to="'/files'" class="btn btn-c-primary btn-lg">回到 Files 頁</router-link>
+      <router-link to="/files" class="btn btn-c-primary btn-lg">回到 Files 頁</router-link>
     </div>
   </main>
 </template>