diff --git a/debian.cfg b/debian.cfg
index d7064a9..1a10008 100644
--- a/debian.cfg
+++ b/debian.cfg
@@ -31,6 +31,8 @@ d-i clock-setup/ntp boolean true
 
 # B.4.7. 分区
 d-i partman-auto/method string regular
+d-i partman-lvm/device_remove_lvm boolean true
+d-i partman-md/device_remove_md boolean true
 d-i partman-auto/choose_recipe select atomic
 d-i partman-partitioning/confirm_write_new_label boolean true
 d-i partman/choose_partition select finish