diff --git a/setcan.sh b/setcan.sh
new file mode 100644
index 0000000..f5b5cf8
--- /dev/null
+++ b/setcan.sh
@@ -0,0 +1,72 @@
+#!/usr/bin/env bash
+
+setup()
+{
+	if [ -z "$*" ];then
+		spd='6'
+		br=500000
+		echo "set to 500K Baudrate CAN Adapter as default option!"
+	else
+		case $1 in
+			1000[Kk]* | 1[M]* )
+				spd='8'
+				br=1000000
+				echo "set to 1M Baudrate CAN Adapter!"
+				;;
+			125[Kk]* )
+				spd='4'
+				br=125000
+				echo "set to 125K Baudrate CAN Adapter!"
+				;;
+			500[Kk]* )
+				spd='6'
+				br=500000
+				echo "set to 500K Baudrate CAN Adapter!"
+				;;
+			800[Kk]* )
+				spd='7'
+				br=800000
+				echo "set to 800K Baudrate CAN Adapter!"
+				;;
+			100[Kk]* )
+				spd='3'
+				br=100000
+				echo "set to 100K Baudrate CAN Adapter!"
+				;;
+			*)
+				echo "wrong canspeed config!"
+				echo "choose in 100k 125k 500k 800k 1000k and 500k by default"
+				exit 0
+		esac
+	fi
+	dev=$(readlink -f /dev/serial/by-id/usb-Arduino__www.arduino.cc__0043_55731323935351715112-if00)
+	slcan_attach -f -s${spd} -o ${dev}
+	slcand -S 115200 $(echo ${dev} | sed -e 's/\/dev\///') CAN_UNO
+	ip link set CAN_UNO up
+	ip link show | ack CAN_UNO
+}
+
+setdown()
+{
+	ip link set CAN_UNO down
+	killall slcand
+	echo "CAN_UNO down!"
+}
+
+main()
+{
+
+	if [ -z "$(ip link show | ack CAN_UNO)" ];then
+		if [ -e /dev/serial/by-id/usb-Arduino__www.arduino.cc__0043_55731323935351715112-if00 ];then
+			setup $@
+		else
+			echo "Arduino UNO havn't been connected!"
+		fi
+	else
+		setdown
+	fi
+
+	exit 0
+}
+
+main