perf(app-layout): optimize loadingBar behavior when logout

src/layouts/app-layout.vue

@@ -133,8 +133,13 @@ const dropdownOptions = ref<DropdownOption[]>([
     key: 'logout',
     icon: renderIcon(LogoutOutlined),
     onClick: async () => {
-      await userStore.userLogout();
+      await userStore
+        .userLogout()
+        .then(() => {
+          window.$loadingBar.finish();
           router.push('/login');
+        })
+        .catch(() => window.$message.error('退出登录失败'));
     },
   },
 ]);