diff --git a/k8s/kustomization.yaml b/k8s/kustomization.yaml
index 8165d96..e758158 100644
--- a/k8s/kustomization.yaml
+++ b/k8s/kustomization.yaml
@@ -8,8 +8,8 @@ resources:
   - postgres/secret.yaml
   - postgres/statefulset.yaml
   - postgres/service.yaml
-  # 可选：PostgreSQL 每日备份到 S3，填好 s3-* 后取消注释
-  # - postgres/backup-cronjob.yaml
+  # PostgreSQL 每日备份到 S3
+  - postgres/backup-cronjob.yaml
   - backend/secret.yaml
   - backend/deployment.yaml
   - backend/service.yaml