diff --git a/packages/fes-preset-built-in/src/plugins/route/index.js b/packages/fes-preset-built-in/src/plugins/route/index.js
index 86d7b0fc..11700a53 100644
--- a/packages/fes-preset-built-in/src/plugins/route/index.js
+++ b/packages/fes-preset-built-in/src/plugins/route/index.js
@@ -71,7 +71,9 @@ function getRouteMeta(content) {
         )[0];
         if (defineRouteExpression) {
             const argument = generator(defineRouteExpression.expression.arguments[0]);
-            return JSON.parse(argument.code.replace(/'/g, '"').replace(/(\S+):/g, (global, m1) => `"${m1}":`));
+            // eslint-disable-next-line no-eval
+            const fn = eval(`() => (${argument.code})`);
+            return fn();
         }
     } catch (err) {}
     return null;
diff --git a/packages/fes-template-vite/src/pages/index.vue b/packages/fes-template-vite/src/pages/index.vue
index 30e02cd0..2e1a6646 100644
--- a/packages/fes-template-vite/src/pages/index.vue
+++ b/packages/fes-template-vite/src/pages/index.vue
@@ -6,10 +6,14 @@
     </div>
 </template>
 
-<script>
-import { useI18n } from '@fesjs/fes';
+<script lang="ts">
+import { useI18n, defineRouteMeta } from '@fesjs/fes';
 import { FButton } from '@fesjs/fes-design';
 
+defineRouteMeta({
+    'keep-alive': true,
+});
+
 export default {
     components: {
         FButton,