diff --git a/install_shell/kdesktoprc b/install_shell/kdesktoprc
new file mode 100644
index 0000000..48f4a92
--- /dev/null
+++ b/install_shell/kdesktoprc
@@ -0,0 +1,4 @@
+[Version]
+KDEVersionMajor=3
+KDEVersionMinor=5
+KDEVersionRelease=10
diff --git a/install_shell/set_default_root.sh b/install_shell/set_default_root.sh
new file mode 100755
index 0000000..3f7bf94
--- /dev/null
+++ b/install_shell/set_default_root.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+sed 's/^GRUB_DEFAULT=1/GRUB_DEFAULT=0/g' /etc/default/grub > /etc/default/grub.bak
+mv /etc/default/grub.bak /etc/default/grub
+sed 's/^set\ default="1"/set\ default="0"/g' /boot/grub/grub.cfg > /boot/grub/grub.cfg.bak
+mv /boot/grub/grub.cfg.bak /boot/grub/grub.cfg
diff --git a/setup.sh b/setup.sh
index 3c218bd..4852e4b 100755
--- a/setup.sh
+++ b/setup.sh
@@ -50,10 +50,12 @@ echo "====Set tcsh encode to gb18030..."
 ./other.sh $1 $2 $3
 echo "===Set other==="
 
+./set_default_root.sh
+echo "===Set default with-root==="
 
 cd cgroup-d5000-install
 ./set_libcgroup.sh $1
 echo "===Set cgroup==="
 
 
-echo "=======Finish========"
\ No newline at end of file
+echo "=======Finish========"