diff --git a/examples/sites/demos/pc/app/modal/modal-fn-slots-composition-api.vue b/examples/sites/demos/pc/app/modal/modal-fn-slots-composition-api.vue
index 211aae9cd6..1f368900a5 100644
--- a/examples/sites/demos/pc/app/modal/modal-fn-slots-composition-api.vue
+++ b/examples/sites/demos/pc/app/modal/modal-fn-slots-composition-api.vue
@@ -19,7 +19,7 @@
   </div>
 </template>
 
-<script setup>
+<script setup lang="jsx">
 import { Button as TinyButton, Modal, Link } from '@opentiny/vue'
 import { ref } from 'vue'