diff --git a/src/main/java/com/sqx/modules/app/controller/app/AppAnnouncementController.java b/src/main/java/com/sqx/modules/app/controller/app/AppAnnouncementController.java
index 1134e73a..cf646aba 100644
--- a/src/main/java/com/sqx/modules/app/controller/app/AppAnnouncementController.java
+++ b/src/main/java/com/sqx/modules/app/controller/app/AppAnnouncementController.java
@@ -23,7 +23,7 @@ public class AppAnnouncementController {
     }
 
     @GetMapping
-    public Result get(@RequestParam Integer type) {
+    public Result get(@RequestParam(defaultValue = "0") Integer type) {
         PageHelper.startPage(1,1);
         List<Announcement> list = announcementService.list(new LambdaQueryWrapper<Announcement>()
                 .eq(Announcement::getType, type)