diff --git a/install_shell/set_bonding.sh b/install_shell/set_bonding.sh
index 1deff8e..e44c286 100755
--- a/install_shell/set_bonding.sh
+++ b/install_shell/set_bonding.sh
@@ -1,9 +1,39 @@
 #!/bin/sh
 
+export LANG=c
+
+create_ifcfg(){
+for i in $@;
+do
+cat > ${IF_CONFIG}/ifcfg-eth${i} <<EOF
+DEVICE=eth${i}
+BOOTPROTO=none
+SERVICE=ipv4-static
+MASTER=bond0
+SLAVE=yes
+HWADDR=
+ONBOOT=yes
+TYPE=Ethernet
+USERCTL=no
+PEERDNS=yes
+EOF
+done
+}
+
 IF_CONFIG="/etc/sysconfig/network-devices"
 
-echo 'bonding mode=6 max_bonds=1' >> /etc/sysconfig/modules
+if [ -f ${IF_CONFIG}/ifcfg-bond0 ];then
+    echo "bonding exit.."
+else
+grep "^bonding" /etc/sysconfig/modules &> /dev/null
+if [ $? -eq 0 ];then
+    echo 'bonding mode=6 max_bonds=1' >> /etc/sysconfig/modules
+fi
+
+mv ${IF_CONFIG}/ifcfg-eth0 ${IF_CONFIG}/ifcfg-bond0
+sed -i "s/^DEVICE=eth0/DEVICE=bond0/g" ${IF_CONFIG}/ifcfg-bond0
+
+create_ifcfg 0 2
+fi
+
 
-cp ${IF_CONFIG}/bond-examples/ifcfg-bond0 ${IF_CONFIG}
-cp ${IF_CONFIG}/bond-examples/ifcfg-eth0 ${IF_CONFIG}
-cp ${IF_CONFIG}/bond-examples/ifcfg-eth1 ${IF_CONFIG}