diff --git a/superbench.sh b/superbench.sh
index 61aa0df..c031bfd 100644
--- a/superbench.sh
+++ b/superbench.sh
@@ -33,10 +33,10 @@ about() {
 
 cancel() {
 	echo ""
-	next;
+	next
 	echo " Abort ..."
 	echo " Cleanup ..."
-	cleanup;
+	cleanup
 	echo " Done"
 	exit
 }
@@ -46,123 +46,121 @@ trap cancel SIGINT
 benchinit() {
 	# check release
 	if [ -f /etc/redhat-release ]; then
-	    release="centos"
+		release="centos"
 	elif cat /etc/issue | grep -Eqi "debian"; then
-	    release="debian"
+		release="debian"
 	elif cat /etc/issue | grep -Eqi "ubuntu"; then
-	    release="ubuntu"
+		release="ubuntu"
 	elif cat /etc/issue | grep -Eqi "centos|red hat|redhat"; then
-	    release="centos"
+		release="centos"
 	elif cat /proc/version | grep -Eqi "debian"; then
-	    release="debian"
+		release="debian"
 	elif cat /proc/version | grep -Eqi "ubuntu"; then
-	    release="ubuntu"
+		release="ubuntu"
 	elif cat /proc/version | grep -Eqi "centos|red hat|redhat"; then
-	    release="centos"
+		release="centos"
 	fi
 
 	# check root
 	[[ $EUID -ne 0 ]] && echo -e "${RED}Error:${PLAIN} This script must be run as root!" && exit 1
 
 	# check python
-	if  [ ! -e '/usr/bin/python' ]; then
-	        #echo -e
-	        #read -p "${RED}Error:${PLAIN} python is not install. You must be install python command at first.\nDo you want to install? [y/n]" is_install
-	        #if [[ ${is_install} == "y" || ${is_install} == "Y" ]]; then
-	        echo " Installing Python ..."
-	            if [ "${release}" == "centos" ]; then
-	            		yum update > /dev/null 2>&1
-	                    yum -y install python > /dev/null 2>&1
-	                else
-	                	apt-get update > /dev/null 2>&1
-	                    apt-get -y install python > /dev/null 2>&1
-	                fi
-	        #else
-	        #    exit
-	        #fi
-	        
+	if [ ! -e '/usr/bin/python' ]; then
+		#echo -e
+		#read -p "${RED}Error:${PLAIN} python is not install. You must be install python command at first.\nDo you want to install? [y/n]" is_install
+		#if [[ ${is_install} == "y" || ${is_install} == "Y" ]]; then
+			echo " Installing Python ..."
+			if [ "${release}" == "centos" ]; then
+				yum update >/dev/null 2>&1
+				yum -y install python >/dev/null 2>&1
+			else
+				apt-get update >/dev/null 2>&1
+				apt-get -y install python >/dev/null 2>&1
+			fi
+		#else
+		#	exit
+		#fi
 	fi
 
 	# check curl
-	if  [ ! -e '/usr/bin/curl' ]; then
-	    #echo -e
-	    #read -p "${RED}Error:${PLAIN} curl is not install. You must be install curl command at first.\nDo you want to install? [y/n]" is_install
-	    #if [[ ${is_install} == "y" || ${is_install} == "Y" ]]; then
-	        echo " Installing Curl ..."
-	            if [ "${release}" == "centos" ]; then
-	                yum update > /dev/null 2>&1
-	                yum -y install curl > /dev/null 2>&1
-	            else
-	                apt-get update > /dev/null 2>&1
-	                apt-get -y install curl > /dev/null 2>&1
-	            fi
-	    #else
-	    #    exit
-	    #fi
+	if [ ! -e '/usr/bin/curl' ]; then
+		#echo -e
+		#read -p "${RED}Error:${PLAIN} curl is not install. You must be install curl command at first.\nDo you want to install? [y/n]" is_install
+		#if [[ ${is_install} == "y" || ${is_install} == "Y" ]]; then
+			echo " Installing Curl ..."
+			if [ "${release}" == "centos" ]; then
+				yum update >/dev/null 2>&1
+				yum -y install curl >/dev/null 2>&1
+			else
+				apt-get update >/dev/null 2>&1
+				apt-get -y install curl >/dev/null 2>&1
+			fi
+		#else
+		#	exit
+		#fi
 	fi
 
 	# check wget
-	if  [ ! -e '/usr/bin/wget' ]; then
-	    #echo -e
-	    #read -p "${RED}Error:${PLAIN} wget is not install. You must be install wget command at first.\nDo you want to install? [y/n]" is_install
-	    #if [[ ${is_install} == "y" || ${is_install} == "Y" ]]; then
-	        echo " Installing Wget ..."
-	            if [ "${release}" == "centos" ]; then
-	                yum update > /dev/null 2>&1
-	                yum -y install wget > /dev/null 2>&1
-	            else
-	                apt-get update > /dev/null 2>&1
-	                apt-get -y install wget > /dev/null 2>&1
-	            fi
-	    #else
-	    #    exit
-	    #fi
+	if [ ! -e '/usr/bin/wget' ]; then
+		#echo -e
+		#read -p "${RED}Error:${PLAIN} wget is not install. You must be install wget command at first.\nDo you want to install? [y/n]" is_install
+		#if [[ ${is_install} == "y" || ${is_install} == "Y" ]]; then
+			echo " Installing Wget ..."
+			if [ "${release}" == "centos" ]; then
+				yum update >/dev/null 2>&1
+				yum -y install wget >/dev/null 2>&1
+			else
+				apt-get update >/dev/null 2>&1
+				apt-get -y install wget >/dev/null 2>&1
+			fi
+		#else
+		#	exit
+		#fi
 	fi
 
 	# install virt-what
-	#if  [ ! -e '/usr/sbin/virt-what' ]; then
+	#if [ ! -e '/usr/sbin/virt-what' ]; then
 	#	echo "Installing Virt-what ..."
-	#    if [ "${release}" == "centos" ]; then
-	#    	yum update > /dev/null 2>&1
-	#        yum -y install virt-what > /dev/null 2>&1
-	#    else
-	#    	apt-get update > /dev/null 2>&1
-	#        apt-get -y install virt-what > /dev/null 2>&1
-	#    fi      
+	#	if [ "${release}" == "centos" ]; then
+	#		yum update >/dev/null 2>&1
+	#		yum -y install virt-what >/dev/null 2>&1
+	#	else
+	#		apt-get update >/dev/null 2>&1
+	#		apt-get -y install virt-what >/dev/null 2>&1
+	#	fi
 	#fi
 
 	# install jq
-	#if  [ ! -e '/usr/bin/jq' ]; then
-	# 	echo " Installing Jq ..."
-    #		if [ "${release}" == "centos" ]; then
-	#	    yum update > /dev/null 2>&1
-	#	    yum -y install jq > /dev/null 2>&1
+	#if [ ! -e '/usr/bin/jq' ]; then
+	#	echo " Installing Jq ..."
+	#		if [ "${release}" == "centos" ]; then
+	#		yum update >/dev/null 2>&1
+	#		yum -y install jq >/dev/null 2>&1
 	#	else
-	#	    apt-get update > /dev/null 2>&1
-	#	    apt-get -y install jq > /dev/null 2>&1
-	#	fi      
+	#		apt-get update >/dev/null 2>&1
+	#		apt-get -y install jq >/dev/null 2>&1
+	#	fi
 	#fi
 
 	# install speedtest-cli
-	if  [ ! -e 'speedtest.py' ]; then
+	if [ ! -e 'speedtest.py' ]; then
 		echo " Installing Speedtest-cli ..."
-		wget --no-check-certificate https://raw.github.com/sivel/speedtest-cli/master/speedtest.py > /dev/null 2>&1
+		wget --no-check-certificate https://raw.github.com/sivel/speedtest-cli/master/speedtest.py >/dev/null 2>&1
 	fi
 	chmod a+rx speedtest.py
 
-
 	# install tools.py
-	if  [ ! -e 'tools.py' ]; then
+	if [ ! -e 'tools.py' ]; then
 		echo " Installing tools.py ..."
-		wget --no-check-certificate https://raw.githubusercontent.com/oooldking/script/master/tools.py > /dev/null 2>&1
+		wget --no-check-certificate https://raw.githubusercontent.com/oooldking/script/master/tools.py >/dev/null 2>&1
 	fi
 	chmod a+rx tools.py
 
 	# install fast.com-cli
-	if  [ ! -e 'fast_com.py' ]; then
+	if [ ! -e 'fast_com.py' ]; then
 		echo " Installing Fast.com-cli ..."
-		wget --no-check-certificate https://raw.githubusercontent.com/sanderjo/fast.com/master/fast_com.py > /dev/null 2>&1
-		wget --no-check-certificate https://raw.githubusercontent.com/sanderjo/fast.com/master/fast_com_example_usage.py > /dev/null 2>&1
+		wget --no-check-certificate https://raw.githubusercontent.com/sanderjo/fast.com/master/fast_com.py >/dev/null 2>&1
+		wget --no-check-certificate https://raw.githubusercontent.com/sanderjo/fast.com/master/fast_com_example_usage.py >/dev/null 2>&1
 	fi
 	chmod a+rx fast_com.py
 	chmod a+rx fast_com_example_usage.py
@@ -170,73 +168,73 @@ benchinit() {
 	sleep 5
 
 	# start
-	start=$(date +%s) 
+	start=$(date +%s)
 }
 
 get_opsy() {
-    [ -f /etc/redhat-release ] && awk '{print ($1,$3~/^[0-9]/?$3:$4)}' /etc/redhat-release && return
-    [ -f /etc/os-release ] && awk -F'[= "]' '/PRETTY_NAME/{print $3,$4,$5}' /etc/os-release && return
-    [ -f /etc/lsb-release ] && awk -F'[="]+' '/DESCRIPTION/{print $2}' /etc/lsb-release && return
+	[ -f /etc/redhat-release ] && awk '{print ($1,$3~/^[0-9]/?$3:$4)}' /etc/redhat-release && return
+	[ -f /etc/os-release ] && awk -F'[= "]' '/PRETTY_NAME/{print $3,$4,$5}' /etc/os-release && return
+	[ -f /etc/lsb-release ] && awk -F'[="]+' '/DESCRIPTION/{print $2}' /etc/lsb-release && return
 }
 
 next() {
-    printf "%-70s\n" "-" | sed 's/\s/-/g' | tee -a $log
+	printf "%-70s\n" "-" | sed 's/\s/-/g' | tee -a $log
 }
 
-speed_test(){
+speed_test() {
 	if [[ $1 == '' ]]; then
 		temp=$(python speedtest.py --share 2>&1)
 		is_down=$(echo "$temp" | grep 'Download')
 		result_speed=$(echo "$temp" | awk -F ' ' '/results/{print $3}')
 		if [[ ${is_down} ]]; then
-	        local REDownload=$(echo "$temp" | awk -F ':' '/Download/{print $2}')
-	        local reupload=$(echo "$temp" | awk -F ':' '/Upload/{print $2}')
-	        local relatency=$(echo "$temp" | awk -F ':' '/Hosted/{print $2}')
-
-	        temp=$(echo "$relatency" | awk -F '.' '{print $1}')
-        	if [[ ${temp} -gt 50 ]]; then
-            	relatency=" (*)"${relatency}
-        	fi
-	        local nodeName=$2
-
-	        temp=$(echo "${REDownload}" | awk -F ' ' '{print $1}')
-	        if [[ $(awk -v num1=${temp} -v num2=0 'BEGIN{print(num1>num2)?"1":"0"}') -eq 1 ]]; then
-	        	printf "${YELLOW}%-17s${GREEN}%-18s${RED}%-20s${SKYBLUE}%-12s${PLAIN}\n" " ${nodeName}" "${reupload}" "${REDownload}" "${relatency}" | tee -a $log
-	        fi
+			local REDownload=$(echo "$temp" | awk -F ':' '/Download/{print $2}')
+			local reupload=$(echo "$temp" | awk -F ':' '/Upload/{print $2}')
+			local relatency=$(echo "$temp" | awk -F ':' '/Hosted/{print $2}')
+
+			temp=$(echo "$relatency" | awk -F '.' '{print $1}')
+			if [[ ${temp} -gt 50 ]]; then
+				relatency=" (*)"${relatency}
+			fi
+			local nodeName=$2
+
+			temp=$(echo "${REDownload}" | awk -F ' ' '{print $1}')
+			if [[ $(awk -v num1=${temp} -v num2=0 'BEGIN{print(num1>num2)?"1":"0"}') -eq 1 ]]; then
+				printf "${YELLOW}%-17s${GREEN}%-18s${RED}%-20s${SKYBLUE}%-12s${PLAIN}\n" " ${nodeName}" "${reupload}" "${REDownload}" "${relatency}" | tee -a $log
+			fi
 		else
-	        local cerror="ERROR"
+			local cerror="ERROR"
 		fi
 	else
 		temp=$(python speedtest.py --server $1 --share 2>&1)
-		is_down=$(echo "$temp" | grep 'Download') 
+		is_down=$(echo "$temp" | grep 'Download')
 		if [[ ${is_down} ]]; then
-	        local REDownload=$(echo "$temp" | awk -F ':' '/Download/{print $2}')
-	        local reupload=$(echo "$temp" | awk -F ':' '/Upload/{print $2}')
-	        local relatency=$(echo "$temp" | awk -F ':' '/Hosted/{print $2}')
-	        #local relatency=$(pingtest $3)
-	        #temp=$(echo "$relatency" | awk -F '.' '{print $1}')
-        	#if [[ ${temp} -gt 1000 ]]; then
-            	relatency=" - "
-        	#fi
-	        local nodeName=$2
-
-	        temp=$(echo "${REDownload}" | awk -F ' ' '{print $1}')
-	        if [[ $(awk -v num1=${temp} -v num2=0 'BEGIN{print(num1>num2)?"1":"0"}') -eq 1 ]]; then
-	        	printf "${YELLOW}%-17s${GREEN}%-18s${RED}%-20s${SKYBLUE}%-12s${PLAIN}\n" " ${nodeName}" "${reupload}" "${REDownload}" "${relatency}" | tee -a $log
+			local REDownload=$(echo "$temp" | awk -F ':' '/Download/{print $2}')
+			local reupload=$(echo "$temp" | awk -F ':' '/Upload/{print $2}')
+			local relatency=$(echo "$temp" | awk -F ':' '/Hosted/{print $2}')
+			#local relatency=$(pingtest $3)
+			#temp=$(echo "$relatency" | awk -F '.' '{print $1}')
+			#if [[ ${temp} -gt 1000 ]]; then
+				relatency=" - "
+			#fi
+			local nodeName=$2
+
+			temp=$(echo "${REDownload}" | awk -F ' ' '{print $1}')
+			if [[ $(awk -v num1=${temp} -v num2=0 'BEGIN{print(num1>num2)?"1":"0"}') -eq 1 ]]; then
+				printf "${YELLOW}%-17s${GREEN}%-18s${RED}%-20s${SKYBLUE}%-12s${PLAIN}\n" " ${nodeName}" "${reupload}" "${REDownload}" "${relatency}" | tee -a $log
 			fi
 		else
-	        local cerror="ERROR"
+			local cerror="ERROR"
 		fi
 	fi
 }
 
 print_speedtest() {
 	printf "%-18s%-18s%-20s%-12s\n" " Node Name" "Upload Speed" "Download Speed" "Latency" | tee -a $log
-    speed_test '' 'Speedtest.net'
-    speed_fast_com
-    speed_test '5316' 'Nanjing   CT'
-    speed_test '4751' 'Beijing   CT'
-    speed_test '7509' 'Hangzhou  CT'
+	speed_test '' 'Speedtest.net'
+	speed_fast_com
+	speed_test '5316' 'Nanjing   CT'
+	speed_test '4751' 'Beijing   CT'
+	speed_test '7509' 'Hangzhou  CT'
 	speed_test '4624' 'Chengdu   CT'
 	speed_test '5083' 'Shanghai  CU'
 	speed_test '4863' "Xi'an     CU"
@@ -245,80 +243,78 @@ print_speedtest() {
 	speed_test '4575' 'Chengdu   CM'
 	speed_test '6168' 'Kunming   CM'
 	speed_test '6611' 'Guangzhou CM'
-	 
+
 	rm -rf speedtest.py
 }
 
 print_speedtest_fast() {
 	printf "%-18s%-18s%-20s%-12s\n" " Node Name" "Upload Speed" "Download Speed" "Latency" | tee -a $log
-    speed_test '' 'Speedtest.net'
-    speed_fast_com
-    speed_test '7509' 'Hangzhou  CT'
+	speed_test '' 'Speedtest.net'
+	speed_fast_com
+	speed_test '7509' 'Hangzhou  CT'
 	speed_test '5083' 'Shanghai  CU'
 	speed_test '4575' 'Chengdu   CM'
-	 
+
 	rm -rf speedtest.py
 }
 
 speed_fast_com() {
 	temp=$(python fast_com_example_usage.py 2>&1)
-	is_down=$(echo "$temp" | grep 'Result') 
-		if [[ ${is_down} ]]; then
-	        temp1=$(echo "$temp" | awk -F ':' '/Result/{print $2}')
-	        temp2=$(echo "$temp1" | awk -F ' ' '/Mbps/{print $1}')
-	        local REDownload="$temp2 Mbit/s"
-	        local reupload="0.00 Mbit/s"
-	        local relatency="-"
-	        local nodeName="Fast.com"
-
-	        printf "${YELLOW}%-18s${GREEN}%-18s${RED}%-20s${SKYBLUE}%-12s${PLAIN}\n" " ${nodeName}" "${reupload}" "${REDownload}" "${relatency}" | tee -a $log
-		else
-	        local cerror="ERROR"
-		fi
+	is_down=$(echo "$temp" | grep 'Result')
+	if [[ ${is_down} ]]; then
+		temp1=$(echo "$temp" | awk -F ':' '/Result/{print $2}')
+		temp2=$(echo "$temp1" | awk -F ' ' '/Mbps/{print $1}')
+		local REDownload="$temp2 Mbit/s"
+		local reupload="0.00 Mbit/s"
+		local relatency="-"
+		local nodeName="Fast.com"
+
+		printf "${YELLOW}%-18s${GREEN}%-18s${RED}%-20s${SKYBLUE}%-12s${PLAIN}\n" " ${nodeName}" "${reupload}" "${REDownload}" "${relatency}" | tee -a $log
+	else
+		local cerror="ERROR"
+	fi
+
 	rm -rf fast_com_example_usage.py
 	rm -rf fast_com.py
-
 }
 
 io_test() {
-    (LANG=C dd if=/dev/zero of=test_file_$$ bs=512K count=$1 conv=fdatasync && rm -f test_file_$$ ) 2>&1 | awk -F, '{io=$NF} END { print io}' | sed 's/^[ \t]*//;s/[ \t]*$//'
+	(LANG=C dd if=/dev/zero of=test_file_$$ bs=512K count=$1 conv=fdatasync && rm -f test_file_$$) 2>&1 | awk -F, '{io=$NF} END { print io}' | sed 's/^[ \t]*//;s/[ \t]*$//'
 }
 
 calc_disk() {
-    local total_size=0
-    local array=$@
-    for size in ${array[@]}
-    do
-        [ "${size}" == "0" ] && size_t=0 || size_t=`echo ${size:0:${#size}-1}`
-        [ "`echo ${size:(-1)}`" == "K" ] && size=0
-        [ "`echo ${size:(-1)}`" == "M" ] && size=$( awk 'BEGIN{printf "%.1f", '$size_t' / 1024}' )
-        [ "`echo ${size:(-1)}`" == "T" ] && size=$( awk 'BEGIN{printf "%.1f", '$size_t' * 1024}' )
-        [ "`echo ${size:(-1)}`" == "G" ] && size=${size_t}
-        total_size=$( awk 'BEGIN{printf "%.1f", '$total_size' + '$size'}' )
-    done
-    echo ${total_size}
+	local total_size=0
+	local array=$@
+	for size in ${array[@]}; do
+		[ "${size}" == "0" ] && size_t=0 || size_t=$(echo ${size:0:${#size}-1})
+		[ "$(echo ${size:(-1)})" == "K" ] && size=0
+		[ "$(echo ${size:(-1)})" == "M" ] && size=$(awk 'BEGIN{printf "%.1f", '$size_t' / 1024}')
+		[ "$(echo ${size:(-1)})" == "T" ] && size=$(awk 'BEGIN{printf "%.1f", '$size_t' * 1024}')
+		[ "$(echo ${size:(-1)})" == "G" ] && size=${size_t}
+		total_size=$(awk 'BEGIN{printf "%.1f", '$total_size' + '$size'}')
+	done
+	echo ${total_size}
 }
 
 power_time() {
-
 	result=$(smartctl -a $(result=$(cat /proc/mounts) && echo $(echo "$result" | awk '/data=ordered/{print $1}') | awk '{print $1}') 2>&1) && power_time=$(echo "$result" | awk '/Power_On/{print $10}') && echo "$power_time"
 }
 
 install_smart() {
 	# install smartctl
-	if  [ ! -e '/usr/sbin/smartctl' ]; then
+	if [ ! -e '/usr/sbin/smartctl' ]; then
 		echo "Installing Smartctl ..."
-	    if [ "${release}" == "centos" ]; then
-	    	yum update > /dev/null 2>&1
-	        yum -y install smartmontools > /dev/null 2>&1
-	    else
-	    	apt-get update > /dev/null 2>&1
-	        apt-get -y install smartmontools > /dev/null 2>&1
-	    fi      
+		if [ "${release}" == "centos" ]; then
+			yum update >/dev/null 2>&1
+			yum -y install smartmontools >/dev/null 2>&1
+		else
+			apt-get update >/dev/null 2>&1
+			apt-get -y install smartmontools >/dev/null 2>&1
+		fi
 	fi
 }
 
-ip_info(){
+ip_info() {
 	# use jq tool
 	result=$(curl -s 'http://ip-api.com/json')
 	country=$(echo $result | jq '.country' | sed 's/\"//g')
@@ -339,7 +335,7 @@ ip_info(){
 	echo -e " Region               : ${SKYBLUE}$region${PLAIN}" | tee -a $log
 }
 
-ip_info2(){
+ip_info2() {
 	# no jq
 	country=$(curl -s https://ipapi.co/country_name/)
 	city=$(curl -s https://ipapi.co/city/)
@@ -354,7 +350,7 @@ ip_info2(){
 	echo -e " Region               : ${SKYBLUE}$region${PLAIN}" | tee -a $log
 }
 
-ip_info3(){
+ip_info3() {
 	# use python tool
 	country=$(python ip_info.py country)
 	city=$(python ip_info.py city)
@@ -373,8 +369,8 @@ ip_info3(){
 	rm -rf ip_info.py
 }
 
-ip_info4(){
-	echo $(curl -4 -s http://api.ip.la/en?json) > ip_json.json
+ip_info4() {
+	echo $(curl -4 -s https://api.ip.la/en\?json) >ip_json.json
 	country=$(python tools.py ipip country_name)
 	city=$(python tools.py ipip city)
 	isp=$(python tools.py geoip isp)
@@ -396,7 +392,7 @@ ip_info4(){
 	rm -rf ip_json.json
 }
 
-virt_check(){
+virt_check() {
 	if hash ifconfig 2>/dev/null; then
 		eth=$(ifconfig)
 	fi
@@ -404,7 +400,7 @@ virt_check(){
 	virtualx=$(dmesg) 2>/dev/null
 
 	# check dmidecode cmd
-	if  [ $(which dmidecode) ]; then
+	if [ $(which dmidecode) ]; then
 		sys_manu=$(dmidecode -s system-manufacturer) 2>/dev/null
 		sys_product=$(dmidecode -s system-product-name) 2>/dev/null
 		sys_ver=$(dmidecode -s system-version) 2>/dev/null
@@ -413,9 +409,9 @@ virt_check(){
 		sys_product=""
 		sys_ver=""
 	fi
-	
+
 	if grep docker /proc/1/cgroup -qa; then
-	    virtual="Docker"
+		virtual="Docker"
 	elif grep lxc /proc/1/cgroup -qa; then
 		virtual="Lxc"
 	elif grep -qa container=lxc /proc/1/environ; then
@@ -447,7 +443,7 @@ virt_check(){
 	fi
 }
 
-power_time_check(){
+power_time_check() {
 	echo -ne " Power time of disk   : "
 	install_smart
 	ptime=$(power_time)
@@ -456,25 +452,25 @@ power_time_check(){
 
 freedisk() {
 	# check free space
-	#spacename=$( df -m . | awk 'NR==2 {print $1}' )
+	#spacename=$(df -m . | awk 'NR==2 {print $1}')
 	#spacenamelength=$(echo ${spacename} | awk '{print length($0)}')
 	#if [[ $spacenamelength -gt 20 ]]; then
-   	#	freespace=$( df -m . | awk 'NR==3 {print $3}' )
+	#	freespace=$(df -m . | awk 'NR==3 {print $3}')
 	#else
-	#	freespace=$( df -m . | awk 'NR==2 {print $4}' )
+	#	freespace=$(df -m . | awk 'NR==2 {print $4}')
 	#fi
-	freespace=$( df -m . | awk 'NR==2 {print $4}' )
+	freespace=$(df -m . | awk 'NR==2 {print $4}')
 	if [[ $freespace == "" ]]; then
-		$freespace=$( df -m . | awk 'NR==3 {print $3}' )
+		$freespace=$(df -m . | awk 'NR==3 {print $3}')
 	fi
 	if [[ $freespace -gt 1024 ]]; then
-		printf "%s" $((1024*2))
+		printf "%s" $((1024 * 2))
 	elif [[ $freespace -gt 512 ]]; then
-		printf "%s" $((512*2))
+		printf "%s" $((512 * 2))
 	elif [[ $freespace -gt 256 ]]; then
-		printf "%s" $((256*2))
+		printf "%s" $((256 * 2))
 	elif [[ $freespace -gt 128 ]]; then
-		printf "%s" $((128*2))
+		printf "%s" $((128 * 2))
 	else
 		printf "1"
 	fi
@@ -482,34 +478,34 @@ freedisk() {
 
 print_io() {
 	if [[ $1 == "fast" ]]; then
-		writemb=$((128*2))
+		writemb=$((128 * 2))
 	else
 		writemb=$(freedisk)
 	fi
-	
-	writemb_size="$(( writemb / 2 ))MB"
+
+	writemb_size="$((writemb / 2))MB"
 	if [[ $writemb_size == "1024MB" ]]; then
 		writemb_size="1.0GB"
 	fi
 
 	if [[ $writemb != "1" ]]; then
 		echo -n " I/O Speed( $writemb_size )   : " | tee -a $log
-		io1=$( io_test $writemb )
+		io1=$(io_test $writemb)
 		echo -e "${YELLOW}$io1${PLAIN}" | tee -a $log
 		echo -n " I/O Speed( $writemb_size )   : " | tee -a $log
-		io2=$( io_test $writemb )
+		io2=$(io_test $writemb)
 		echo -e "${YELLOW}$io2${PLAIN}" | tee -a $log
 		echo -n " I/O Speed( $writemb_size )   : " | tee -a $log
-		io3=$( io_test $writemb )
+		io3=$(io_test $writemb)
 		echo -e "${YELLOW}$io3${PLAIN}" | tee -a $log
-		ioraw1=$( echo $io1 | awk 'NR==1 {print $1}' )
-		[ "`echo $io1 | awk 'NR==1 {print $2}'`" == "GB/s" ] && ioraw1=$( awk 'BEGIN{print '$ioraw1' * 1024}' )
-		ioraw2=$( echo $io2 | awk 'NR==1 {print $1}' )
-		[ "`echo $io2 | awk 'NR==1 {print $2}'`" == "GB/s" ] && ioraw2=$( awk 'BEGIN{print '$ioraw2' * 1024}' )
-		ioraw3=$( echo $io3 | awk 'NR==1 {print $1}' )
-		[ "`echo $io3 | awk 'NR==1 {print $2}'`" == "GB/s" ] && ioraw3=$( awk 'BEGIN{print '$ioraw3' * 1024}' )
-		ioall=$( awk 'BEGIN{print '$ioraw1' + '$ioraw2' + '$ioraw3'}' )
-		ioavg=$( awk 'BEGIN{printf "%.1f", '$ioall' / 3}' )
+		ioraw1=$(echo $io1 | awk 'NR==1 {print $1}')
+		[ "$(echo $io1 | awk 'NR==1 {print $2}')" == "GB/s" ] && ioraw1=$(awk 'BEGIN{print '$ioraw1' * 1024}')
+		ioraw2=$(echo $io2 | awk 'NR==1 {print $1}')
+		[ "$(echo $io2 | awk 'NR==1 {print $2}')" == "GB/s" ] && ioraw2=$(awk 'BEGIN{print '$ioraw2' * 1024}')
+		ioraw3=$(echo $io3 | awk 'NR==1 {print $1}')
+		[ "$(echo $io3 | awk 'NR==1 {print $2}')" == "GB/s" ] && ioraw3=$(awk 'BEGIN{print '$ioraw3' * 1024}')
+		ioall=$(awk 'BEGIN{print '$ioraw1' + '$ioraw2' + '$ioraw3'}')
+		ioavg=$(awk 'BEGIN{printf "%.1f", '$ioall' / 3}')
 		echo -e " Average I/O Speed    : ${YELLOW}$ioavg MB/s${PLAIN}" | tee -a $log
 	else
 		echo -e " ${RED}Not enough space!${PLAIN}"
@@ -531,8 +527,8 @@ print_system_info() {
 }
 
 print_end_time() {
-	end=$(date +%s) 
-	time=$(( $end - $start ))
+	end=$(date +%s)
+	time=$(($end - $start))
 	if [[ $time -gt 60 ]]; then
 		min=$(expr $time / 60)
 		sec=$(expr $time % 60)
@@ -557,28 +553,28 @@ print_end_time() {
 }
 
 get_system_info() {
-	cname=$( awk -F: '/model name/ {name=$2} END {print name}' /proc/cpuinfo | sed 's/^[ \t]*//;s/[ \t]*$//' )
-	cores=$( awk -F: '/model name/ {core++} END {print core}' /proc/cpuinfo )
-	freq=$( awk -F: '/cpu MHz/ {freq=$2} END {print freq}' /proc/cpuinfo | sed 's/^[ \t]*//;s/[ \t]*$//' )
-	corescache=$( awk -F: '/cache size/ {cache=$2} END {print cache}' /proc/cpuinfo | sed 's/^[ \t]*//;s/[ \t]*$//' )
-	tram=$( free -m | awk '/Mem/ {print $2}' )
-	uram=$( free -m | awk '/Mem/ {print $3}' )
-	bram=$( free -m | awk '/Mem/ {print $6}' )
-	swap=$( free -m | awk '/Swap/ {print $2}' )
-	uswap=$( free -m | awk '/Swap/ {print $3}' )
-	up=$( awk '{a=$1/86400;b=($1%86400)/3600;c=($1%3600)/60} {printf("%d days %d hour %d min\n",a,b,c)}' /proc/uptime )
-	load=$( w | head -1 | awk -F'load average:' '{print $2}' | sed 's/^[ \t]*//;s/[ \t]*$//' )
-	opsy=$( get_opsy )
-	arch=$( uname -m )
-	lbit=$( getconf LONG_BIT )
-	kern=$( uname -r )
-	#ipv6=$( wget -qO- -t1 -T2 ipv6.icanhazip.com )
-	disk_size1=($( LANG=C df -hPl | grep -wvE '\-|none|tmpfs|overlay|shm|udev|devtmpfs|by-uuid|chroot|Filesystem' | awk '{print $2}' ))
-	disk_size2=($( LANG=C df -hPl | grep -wvE '\-|none|tmpfs|overlay|shm|udev|devtmpfs|by-uuid|chroot|Filesystem' | awk '{print $3}' ))
-	disk_total_size=$( calc_disk ${disk_size1[@]} )
-	disk_used_size=$( calc_disk ${disk_size2[@]} )
+	cname=$(awk -F: '/model name/ {name=$2} END {print name}' /proc/cpuinfo | sed 's/^[ \t]*//;s/[ \t]*$//')
+	cores=$(awk -F: '/model name/ {core++} END {print core}' /proc/cpuinfo)
+	freq=$(awk -F: '/cpu MHz/ {freq=$2} END {print freq}' /proc/cpuinfo | sed 's/^[ \t]*//;s/[ \t]*$//')
+	corescache=$(awk -F: '/cache size/ {cache=$2} END {print cache}' /proc/cpuinfo | sed 's/^[ \t]*//;s/[ \t]*$//')
+	tram=$(free -m | awk '/Mem/ {print $2}')
+	uram=$(free -m | awk '/Mem/ {print $3}')
+	bram=$(free -m | awk '/Mem/ {print $6}')
+	swap=$(free -m | awk '/Swap/ {print $2}')
+	uswap=$(free -m | awk '/Swap/ {print $3}')
+	up=$(awk '{a=$1/86400;b=($1%86400)/3600;c=($1%3600)/60} {printf("%d days %d hour %d min\n",a,b,c)}' /proc/uptime)
+	load=$(w | head -1 | awk -F'load average:' '{print $2}' | sed 's/^[ \t]*//;s/[ \t]*$//')
+	opsy=$(get_opsy)
+	arch=$(uname -m)
+	lbit=$(getconf LONG_BIT)
+	kern=$(uname -r)
+	#ipv6=$(wget -qO- -t1 -T2 ipv6.icanhazip.com)
+	disk_size1=($(LANG=C df -hPl | grep -wvE '\-|none|tmpfs|overlay|shm|udev|devtmpfs|by-uuid|chroot|Filesystem' | awk '{print $2}'))
+	disk_size2=($(LANG=C df -hPl | grep -wvE '\-|none|tmpfs|overlay|shm|udev|devtmpfs|by-uuid|chroot|Filesystem' | awk '{print $3}'))
+	disk_total_size=$(calc_disk ${disk_size1[@]})
+	disk_used_size=$(calc_disk ${disk_size2[@]})
 	#tcp congestion control
-	tcpctrl=$( sysctl net.ipv4.tcp_congestion_control | awk -F ' ' '{print $3}' )
+	tcpctrl=$(sysctl net.ipv4.tcp_congestion_control | awk -F ' ' '{print $3}')
 
 	#tmp=$(python tools.py disk 0)
 	#disk_total_size=$(echo $tmp | sed s/G//)
@@ -600,148 +596,176 @@ sharetest() {
 	log_preupload
 	case $1 in
 	'ubuntu')
-		share_link=$( curl -v --data-urlencode "content@$log_up" -d "poster=superbench.sh" -d "syntax=text" "https://paste.ubuntu.com" 2>&1 | \
-			grep "Location" | awk '{print $3}' );;
-	'haste' )
-		share_link=$( curl -X POST -s -d "$(cat $log)" https://hastebin.com/documents | awk -F '"' '{print "https://hastebin.com/"$4}' );;
-	'clbin' )
-		share_link=$( curl -sF 'clbin=<-' https://clbin.com < $log );;
-	'ptpb' )
-		share_link=$( curl -sF c=@- https://ptpb.pw/?u=1 < $log );;
+		share_link=$(curl -v --data-urlencode "content@$log_up" -d "poster=superbench.sh" -d "syntax=text" "https://paste.ubuntu.com" 2>&1 |
+			grep "Location" | awk '{print $3}')
+		;;
+	'haste')
+		share_link=$(curl -X POST -s -d "$(cat $log)" https://hastebin.com/documents | awk -F '"' '{print "https://hastebin.com/"$4}')
+		;;
+	'clbin')
+		share_link=$(curl -sF 'clbin=<-' https://clbin.com <$log)
+		;;
+	'ptpb')
+		share_link=$(curl -sF c=@- https://ptpb.pw/\?u=1 <$log)
+		;;
 	esac
 
 	# print result info
 	echo " · $share_link" | tee -a $log
 	next
 	echo ""
-	rm -f $log_up
 
+	rm -f $log_up
 }
 
 log_preupload() {
 	log_up="$HOME/superbench_upload.log"
-	true > $log_up
-	$(cat superbench.log 2>&1 | sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g" > $log_up)
+	true >$log_up
+	$(cat superbench.log 2>&1 | sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g" >$log_up)
 }
 
-get_ip_whois_org_name(){
+get_ip_whois_org_name() {
 	#ip=$(curl -s ip.sb)
-	result=$(curl -s https://rest.db.ripe.net/search.json?query-string=$(curl -s ip.sb))
+	result=$(curl -s https://rest.db.ripe.net/search.json\?query-string=$(curl -s ip.sb))
 	#org_name=$(echo $result | jq '.objects.object.[1].attributes.attribute.[1].value' | sed 's/\"//g')
 	org_name=$(echo $result | jq '.objects.object[1].attributes.attribute[1]' | sed 's/\"//g')
-    echo $org_name;
+	echo $org_name
 }
 
 pingtest() {
-	local ping_ms=$( ping -w 1 -c 1 $1 | grep 'rtt' | cut -d"/" -f5 )
+	local ping_ms=$(ping -w 1 -c 1 $1 | grep 'rtt' | cut -d"/" -f5)
 
 	# get download speed and print
 	if [[ $ping_ms == "" ]]; then
-		printf "ping error!"  | tee -a $log
+		printf "ping error!" | tee -a $log
 	else
-		printf "%3i.%s ms" "${ping_ms%.*}" "${ping_ms#*.}"  | tee -a $log
+		printf "%3i.%s ms" "${ping_ms%.*}" "${ping_ms#*.}" | tee -a $log
 	fi
 }
 
 cleanup() {
-	rm -f test_file_*;
-	rm -f speedtest.py;
-	rm -f fast_com*;
-	rm -f tools.py;
+	rm -f test_file_*
+	rm -f speedtest.py
+	rm -f fast_com*
+	rm -f tools.py
 	rm -f ip_json.json
 }
 
-bench_all(){
+bench_all() {
 	mode_name="Standard"
-	about;
-	benchinit;
+	about
+	benchinit
 	clear
-	next;
-	print_intro;
-	next;
-	get_system_info;
-	print_system_info;
-	ip_info4;
-	next;
-	print_io;
-	next;
-	print_speedtest;
-	next;
-	print_end_time;
-	next;
-	cleanup;
-	sharetest ubuntu;
-}
-
-fast_bench(){
+	next
+	print_intro
+	next
+	get_system_info
+	print_system_info
+	ip_info4
+	next
+	print_io
+	next
+	print_speedtest
+	next
+	print_end_time
+	next
+	cleanup
+	sharetest ubuntu
+}
+
+fast_bench() {
 	mode_name="Fast"
-	about;
-	benchinit;
+	about
+	benchinit
 	clear
-	next;
-	print_intro;
-	next;
-	get_system_info;
-	print_system_info;
-	ip_info4;
-	next;
-	print_io fast;
-	next;
-	print_speedtest_fast;
-	next;
-	print_end_time;
-	next;
-	cleanup;
+	next
+	print_intro
+	next
+	get_system_info
+	print_system_info
+	ip_info4
+	next
+	print_io fast
+	next
+	print_speedtest_fast
+	next
+	print_end_time
+	next
+	cleanup
 }
 
-
-
-
 log="$HOME/superbench.log"
-true > $log
+true >$log
 
 case $1 in
-	'info'|'-i'|'--i'|'-info'|'--info' )
-		about;sleep 3;next;get_system_info;print_system_info;next;;
-    'version'|'-v'|'--v'|'-version'|'--version')
-		next;about;next;;
-   	'io'|'-io'|'--io'|'-drivespeed'|'--drivespeed' )
-		next;print_io;next;;
-	'speed'|'-speed'|'--speed'|'-speedtest'|'--speedtest'|'-speedcheck'|'--speedcheck' )
-		about;benchinit;next;print_speedtest;next;cleanup;;
-	'ip'|'-ip'|'--ip'|'geoip'|'-geoip'|'--geoip' )
-		about;benchinit;next;ip_info4;next;cleanup;;
-	'bench'|'-a'|'--a'|'-all'|'--all'|'-bench'|'--bench' )
-		bench_all;;
-	'about'|'-about'|'--about' )
-		about;;
-	'fast'|'-f'|'--f'|'-fast'|'--fast' )
-		fast_bench;;
-	'share'|'-s'|'--s'|'-share'|'--share' )
-		bench_all;
-		is_share="share"
-		if [[ $2 == "" ]]; then
-			sharetest ubuntu;
-		else
-			sharetest $2;
-		fi
-		;;
-	'debug'|'-d'|'--d'|'-debug'|'--debug' )
-		get_ip_whois_org_name;;
+'info' | '-i' | '--i' | '-info' | '--info')
+	about
+	sleep 3
+	next
+	get_system_info
+	print_system_info
+	next
+	;;
+'version' | '-v' | '--v' | '-version' | '--version')
+	next
+	about
+	next
+	;;
+'io' | '-io' | '--io' | '-drivespeed' | '--drivespeed')
+	next
+	print_io
+	next
+	;;
+'speed' | '-speed' | '--speed' | '-speedtest' | '--speedtest' | '-speedcheck' | '--speedcheck')
+	about
+	benchinit
+	next
+	print_speedtest
+	next
+	cleanup
+	;;
+'ip' | '-ip' | '--ip' | 'geoip' | '-geoip' | '--geoip')
+	about
+	benchinit
+	next
+	ip_info4
+	next
+	cleanup
+	;;
+'bench' | '-a' | '--a' | '-all' | '--all' | '-bench' | '--bench')
+	bench_all
+	;;
+'about' | '-about' | '--about')
+	about
+	;;
+'fast' | '-f' | '--f' | '-fast' | '--fast')
+	fast_bench
+	;;
+'share' | '-s' | '--s' | '-share' | '--share')
+	bench_all
+	is_share="share"
+	if [[ $2 == "" ]]; then
+		sharetest ubuntu
+	else
+		sharetest $2
+	fi
+	;;
+'debug' | '-d' | '--d' | '-debug' | '--debug')
+	get_ip_whois_org_name
+	;;
 *)
-    bench_all;;
+	bench_all
+	;;
 esac
 
-
-
-if [[  ! $is_share == "share" ]]; then
+if [[ ! $is_share == "share" ]]; then
 	case $2 in
-		'share'|'-s'|'--s'|'-share'|'--share' )
-			if [[ $3 == '' ]]; then
-				sharetest ubuntu;
-			else
-				sharetest $3;
-			fi
-			;;
+	'share' | '-s' | '--s' | '-share' | '--share')
+		if [[ $3 == '' ]]; then
+			sharetest ubuntu
+		else
+			sharetest $3
+		fi
+		;;
 	esac
 fi