diff --git a/nezha-fronted/src/assets/css/components/page/config/backups.scss b/nezha-fronted/src/assets/css/components/page/config/backups.scss
index c8f1f13a3..933cb92d2 100644
--- a/nezha-fronted/src/assets/css/components/page/config/backups.scss
+++ b/nezha-fronted/src/assets/css/components/page/config/backups.scss
@@ -1,4 +1,6 @@
 .system.backup {
+  box-sizing: border-box;
+  height: 100% !important;
   padding-top: 40px;
   .system-config-backup {
     width: 100% !important;