diff --git a/rk356x/BoardConfig-LubanCat-Backup.mk b/rk356x/BoardConfig-LubanCat-Backup.mk
index afbca24..73ab14a 100644
--- a/rk356x/BoardConfig-LubanCat-Backup.mk
+++ b/rk356x/BoardConfig-LubanCat-Backup.mk
@@ -58,5 +58,13 @@ export RK_MISC=blank-misc.img
 export RK_DISTRO_MODULE=
 # Define pre-build script for this board
 export RK_BOARD_PRE_BUILD_SCRIPT=app-build.sh
-# 定义默认rootfs为 buildroot
-export RK_ROOTFS_SYSTEM=buildroot
+# # 定义默认rootfs为 buildroot
+# export RK_ROOTFS_SYSTEM=buildroot
+# 定义默认rootfs为 debian
+export RK_ROOTFS_SYSTEM=debian
+# Set debian version (debian10: buster)
+export RK_DEBIAN_VERSION=buster
+# 定义默认rootfs是否为桌面版  desktop :桌面版 	base ：控制台版
+export RK_ROOTFS_TARGET=desktop
+# 定义默认rootfs是否添加DEBUG工具  debug :添加 	none :不添加
+export RK_ROOTFS_DEBUG=debug