diff --git a/jero-boot/jero-boot-module-demo/src/main/java/com/jero/modules/demo/test/controller/BigScreenTemplatController.java b/jero-boot/jero-boot-module-demo/src/main/java/com/jero/modules/demo/test/controller/BigScreenTemplatController.java
index d6fac56b..97f6acb8 100644
--- a/jero-boot/jero-boot-module-demo/src/main/java/com/jero/modules/demo/test/controller/BigScreenTemplatController.java
+++ b/jero-boot/jero-boot-module-demo/src/main/java/com/jero/modules/demo/test/controller/BigScreenTemplatController.java
@@ -29,7 +29,7 @@ public class BigScreenTemplatController extends JeroController<JeroDemo, IJeroDe
     @RequestMapping("/html")
     public ModelAndView ftl(ModelAndView modelAndView) {
         modelAndView.setViewName("demo3");
-        List<String> userList = new ArrayList<String>();
+        List<String> userList = new ArrayList<>();
         userList.add("admin");
         userList.add("user1");
         userList.add("user2");