diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S00kmod b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S00kmod
deleted file mode 100755
index c41e6dd45..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S00kmod
+++ /dev/null
@@ -1,34 +0,0 @@
-#!/bin/sh
-
-if [ "$1" = "start" ]
-then
-	. /etc/profile
-	printf "load kernel module: "
-	cd /mnt/system/ko/
-	insmod soph_sys.ko
-	insmod soph_base.ko
-	insmod soph_rtos_cmdqu.ko
-	insmod soph_fast_image.ko
-	insmod soph_mipi_rx.ko
-	insmod soph_snsr_i2c.ko
-	insmod soph_vi.ko
-	insmod soph_vpss.ko
-	insmod soph_dwa.ko
-	insmod soph_vo.ko
-#	insmod soph_mipi_tx.ko
-	insmod soph_rgn.ko
-	insmod soph_wdt.ko
-	insmod soph_clock_cooling.ko
-	insmod soph_tpu.ko
-	insmod soph_vcodec.ko
-	insmod soph_jpeg.ko
-	insmod soph_vc_driver.ko MaxVencChnNum=9 MaxVdecChnNum=9
-	insmod soph_rtc.ko
-	insmod soph_ive.ko
-	insmod soph_mon.ko
-	insmod soph_pwm.ko
-	insmod soph_saradc.ko
-	insmod soph_wiegand.ko
-	echo "OK"
-	exit 0
-fi
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S00pmu b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S00pmu
deleted file mode 100755
index f3d9786b5..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S00pmu
+++ /dev/null
@@ -1,31 +0,0 @@
-#!/bin/sh
-
-if ! command -v i2cget &> /dev/null
-then
-    echo "i2cdetect not find, please install i2c-tools"
-    exit 1
-fi
-
-pmu_version=$(i2cget -y 4 0x34 0x03)
-pmu_version=$((pmu_version & 0xCF))
-
-chip_id_1=$(printf "%d" 0x47)
-chip_id_2=$(printf "%d" 0x4a)
-
-if [ "$pmu_version" -eq "$chip_id_1" ] || [ "$pmu_version" -eq "$chip_id_2" ]; then
-    case "$1" in
-    start)
-        exec /usr/bin/axp2101
-        echo "Starting PMU: OK\n"
-    ;;
-    stop)
-        runlevel=$(cat /run/runlevel | awk '{ print $1 }')
-        if [ "$runlevel" = "0" ]; then
-            printf "Stopping PMU\n"
-            value=$(i2cget -y 4 0x34 0x10)
-            value=$((value | 0x01))
-            i2cset -y 4 0x34 0x10 $value
-        fi
-    ;;
-    esac
-fi
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S01fs b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S01fs
deleted file mode 100755
index 18c6fe785..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S01fs
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/bin/sh
-
-if [ "$1" = "start" ]
-then
-	. /etc/profile
-	printf "mounting filesystem : "
-	mkdir -p /boot
-	mount -t vfat /dev/mmcblk0p1 /boot
-	mount -t configfs configfs /sys/kernel/config
-	mount -t debugfs debugfs /sys/kernel/debug
-	echo "OK"
-fi
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S02config b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S02config
deleted file mode 100755
index b5a791a76..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S02config
+++ /dev/null
@@ -1,76 +0,0 @@
-#!/bin/sh
-
-if [ "$1" = "start" ]
-then
-	. /etc/profile
-	printf "copy config file from /boot: "
-	if [ -e /boot/sshd_config ]
-	then
-		cp -vf /boot/sshd_config /etc/ssh/sshd_config
-	fi
-	if [ -e /boot/resolv.conf ]
-	then
-		rm -rf /etc/resolv.conf
-		cp -vf /boot/resolv.conf /etc/resolv.conf
-	fi
-	if [ -e /boot/input-event-daemon ]
-	then
-		if [ ! -e /etc/input-event-daemon.conf ]
-		then
-			cp /etc/input-event-daemon.conf.bak /etc/input-event-daemon.conf
-		fi
-	else
-		if [ -e /etc/input-event-daemon.conf ]
-		then
-			cp /etc/input-event-daemon.conf /etc/input-event-daemon.conf.bak
-			rm /etc/input-event-daemon.conf
-		fi
-	fi
-	if [ -e /boot/rc.local ]
-	then
-		cp -vf /boot/rc.local /etc/rc.local
-	fi
-	if [ -e /boot/ttyGS0_handler.sh ]
-	then
-		cp /boot/ttyGS0_handler.sh /etc/ttyGS0_handler.sh
-	fi
-	if [ -e /boot/console_handler.sh ]
-	then
-		cp /boot/console_handler.sh /etc/console_handler.sh
-	fi
-	if [ -e /boot/alpha ]
-	then
-		if [ ! -e /mnt/data/sensor_cfg.ini ]
-		then
-			cp /mnt/data/sensor_cfg.ini.alpha /mnt/data/sensor_cfg.ini
-		fi
-		if [ $(cat /mnt/data/sensor_cfg.ini | wc -l) -eq 0 ]
-		then
-			cp /mnt/data/sensor_cfg.ini.beta /mnt/data/sensor_cfg.ini
-		fi
-		# MIPI RX 4N PINMUX MCLK0
-		devmem 0x0300116C 32 0x5
-		# MIPI RX 0N PINMUX MIPIP RX 0N
-		devmem 0x0300118C 32 0x3
-		echo " alpha "
-	else
-		if [ ! -e /mnt/data/sensor_cfg.ini ]
-		then
-			cp /mnt/data/sensor_cfg.ini.beta /mnt/data/sensor_cfg.ini
-		fi
-		if [ $(cat /mnt/data/sensor_cfg.ini | wc -l) -eq 0 ]
-		then
-			cp /mnt/data/sensor_cfg.ini.beta /mnt/data/sensor_cfg.ini
-		fi
-		# MIPI RX 4N PINMUX MIPI RX 4N
-		devmem 0x0300116C 32 0x3
-		# MIPI RX 0N PINMUX MCLK1
-		devmem 0x0300118C 32 0x5
-		echo -n " beta "
-	fi
-	if [ -e /boot/kvmtest ]
-	then
-		cp /mnt/data/sensor_cfg.ini.LT /mnt/data/sensor_cfg.ini
-	fi
-	echo "OK"
-fi
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S02devicekey b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S02devicekey
deleted file mode 100755
index 9d55fb43b..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S02devicekey
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/sh
-
-if [ "$1" = "start" ]
-then
-	str_value=$(cat /sys/class/cvi-base/base_uid | awk '{print $2}')
-	first_uint=$(echo $str_value | cut -d'_' -f1)
-	second_uint=$(echo $str_value | cut -d'_' -f2)
-	result="$first_uint$second_uint"
-	echo $result > /device_key
-	# for compatibility with previous network mac addr
-	cat /sys/class/cvi-base/base_uid > /device_key_legacy
-fi
-
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S03usbdev b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S03usbdev
deleted file mode 100755
index 27f2cc88f..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S03usbdev
+++ /dev/null
@@ -1,200 +0,0 @@
-#!/bin/sh
-
-
-if [ "$1" = "start" ]
-then
-	. /etc/profile
-	if [ -e /boot/usb.host ]
-	then
-		echo "usb mode: host"
-		echo host > /proc/cviusb/otg_role
-	elif [ -e /boot/usb.dev ]
-	then
-		echo "usb mode: device"
-		cd /sys/kernel/config/usb_gadget
-		mkdir -p g0
-		cd g0
-		if [ -e /boot/usb.idVendor ]
-		then
-			cat /boot/usb.idVendor > idVendor
-		else
-			echo 0x359F > idVendor
-		fi
-		if [ -e /boot/usb.idProduct ]
-		then
-			cat /boot/usb.idProduct > idProduct
-		else
-			echo 0x2120 > idProduct
-		fi
-		if [ -e /boot/usb.bcdDevice ]
-		then
-			cat /boot/usb.bcdDevice > bcdDevice
-		else
-			echo 0x0300 > bcdDevice
-		fi
-		if [ -e /boot/usb.bcdUSB ]
-		then
-			cat /boot/usb.bcdUSB > bcdUSB
-		else
-			echo 0x0200 > bcdUSB
-		fi
-		if [ -e /boot/usb.bDeviceClass ]
-		then
-			cat /boot/usb.bDeviceClass > bDeviceClass
-		else
-			echo 0xef > bDeviceClass
-		fi
-		if [ -e /boot/usb.bDeviceSubClass ]
-		then
-			cat /boot/usb.bDeviceSubClass > bDeviceSubClass
-		else
-			echo 0x02 > bDeviceSubClass
-		fi
-		if [ -e /boot/usb.bDeviceProtocol ]
-		then
-			cat /boot/usb.bDeviceProtocol > bDeviceProtocol
-		else
-			echo 0x01 > bDeviceProtocol
-		fi
-		mkdir -p strings/0x409
-		if [ -e /boot/usb.serialnumber ]
-		then
-			cat /boot/usb.serialnumber > strings/0x409/serialnumber
-		else
-			cat /device_key > strings/0x409/serialnumber
-		fi
-		if [ -e /boot/usb.manufacturer ]
-		then
-			cat /boot/usb.manufacturer > strings/0x409/manufacturer
-		else
-			echo 'sipeed' > strings/0x409/manufacturer
-		fi
-		if [ -e /boot/usb.product ]
-		then
-			cat /boot/usb.product > strings/0x409/product
-		else
-			echo 'licheervnano' > strings/0x409/product
-		fi
-		mkdir -p configs/c.1
-		# uvc
-		if [ -e /boot/usb.uvc ]
-		then
-			/etc/init.d/uvc_tool.sh mount /boot/usb.uvc
-			/etc/init.d/uvc_tool.sh server
-		fi
-
-		if [ -e /boot/usb.GS0 ]
-		then
-			mkdir -p functions/acm.GS0
-			rm -rf configs/c.1/acm.GS0
-			ln -s functions/acm.GS0 configs/c.1/
-		fi
-
-		if [ -e /boot/usb.disk0 ]
-		then
-			mkdir -p functions/mass_storage.disk0
-			rm -rf configs/c.1/mass_storage.disk0
-			ln -s functions/mass_storage.disk0 configs/c.1/
-			echo 1 > functions/mass_storage.disk0/lun.0/removable
-			if [ -e /boot/usb.disk0.ro ]
-			then
-				echo 1 > functions/mass_storage.disk0/lun.0/ro
-				echo 1 > functions/mass_storage.disk0/lun.0/cdrom
-			fi
-			disk=$(cat /boot/usb.disk0)
-			if [ -z "${disk}" ]
-			then
-				if [ ! -e /mnt/usbdisk.img ]
-				then
-					dd if=/dev/zero of=/mnt/usbdisk.img bs=1M count=16
-					mkfs.vfat /mnt/usbdisk.img
-				fi
-				echo /mnt/usbdisk.img > functions/mass_storage.disk0/lun.0/file
-			else
-				cat /boot/usb.disk0 > functions/mass_storage.disk0/lun.0/file
-			fi
-		fi
-
-		# rndis
-		if [ -e /boot/usb.rndis ]
-		then
-			mkdir -p functions/rndis.usb0
-			ln -s functions/rndis.usb0 configs/c.1/
-			echo e0 > functions/rndis.usb0/class
-			echo 01 > functions/rndis.usb0/subclass
-			echo 03 > functions/rndis.usb0/protocol
-		fi
-
-		# ncm
-		if [ -e /boot/usb.ncm ]
-		then
-			mkdir -p functions/ncm.usb0
-			ln -s functions/ncm.usb0 configs/c.1/
-		fi
-
-		# keyboard
-		if [ -e /boot/usb.keyboard ]
-		then
-			mkdir functions/hid.GS0
-			# echo 1 > functions/hid.GS0/subclass
-			echo 1 > functions/hid.GS0/wakeup_on_write
-			echo 1 > functions/hid.GS0/protocol
-			echo 6 > functions/hid.GS0/report_length
-			echo -ne \\x05\\x01\\x09\\x06\\xa1\\x01\\x05\\x07\\x19\\xe0\\x29\\xe7\\x15\\x00\\x25\\x01\\x75\\x01\\x95\\x08\\x81\\x02\\x95\\x01\\x75\\x08\\x81\\x03\\x95\\x05\\x75\\x01\\x05\\x08\\x19\\x01\\x29\\x05\\x91\\x02\\x95\\x01\\x75\\x03\\x91\\x03\\x95\\x06\\x75\\x08\\x15\\x00\\x25\\x65\\x05\\x07\\x19\\x00\\x29\\x65\\x81\\x00\\xc0 > functions/hid.GS0/report_desc
-			ln -s functions/hid.GS0 configs/c.1
-		fi
-
-		# mouse
-		if [ -e /boot/usb.mouse ]
-		then
-			mkdir functions/hid.GS1
-			# echo 1 > functions/hid.GS1/subclass
-			echo 1 > functions/hid.GS1/wakeup_on_write
-			echo 2 > functions/hid.GS1/protocol
-			echo -ne \\x34 > functions/hid.GS1/report_length
-			echo -ne \\x5\\x1\\x9\\x2\\xa1\\x1\\x9\\x1\\xa1\\x0\\x5\\x9\\x19\\x1\\x29\\x3\\x15\\x0\\x25\\x1\\x95\\x3\\x75\\x1\\x81\\x2\\x95\\x1\\x75\\x5\\x81\\x3\\x5\\x1\\x9\\x30\\x9\\x31\\x9\\x38\\x15\\x81\\x25\\x7f\\x75\\x8\\x95\\x3\\x81\\x6\\xc0\\xc0 > functions/hid.GS1/report_desc        
-			ln -s functions/hid.GS1 configs/c.1
-		fi
-
-		# touchpad
-		if [ -e /boot/usb.touchpad ]
-		then
-			mkdir functions/hid.GS2
-			# echo 1 > functions/hid.GS2/subclass
-			echo 1 > functions/hid.GS2/wakeup_on_write
-			echo 2 > functions/hid.GS2/protocol
-			echo 6 > functions/hid.GS2/report_length
-			echo -ne \\x05\\x01\\x09\\x02\\xa1\\x01\\x09\\x01\\xa1\\x00\\x05\\x09\\x19\\x01\\x29\\x03\\x15\\x00\\x25\\x01\\x95\\x03\\x75\\x01\\x81\\x02\\x95\\x01\\x75\\x05\\x81\\x01\\x05\\x01\\x09\\x30\\x09\\x31\\x15\\x00\\x26\\xff\\x7f\\x35\\x00\\x46\\xff\\x7f\\x75\\x10\\x95\\x02\\x81\\x02\\x05\\x01\\x09\\x38\\x15\\x81\\x25\\x7f\\x35\\x00\\x45\\x00\\x75\\x08\\x95\\x01\\x81\\x06\\xc0\\xc0 > functions/hid.GS2/report_desc
-			ln -s functions/hid.GS2 configs/c.1
-		fi
-
-		ls /sys/class/udc/ | cat > UDC
-		echo device > /proc/cviusb/otg_role
-	fi
-fi
-
-if [ "$1" = "stop" ]
-then
-	echo '' > /sys/kernel/config/usb_gadget/g0/UDC
-	echo host > /proc/cviusb/otg_role
-	# uvc
-	if [ -e /sys/kernel/config/usb_gadget/g0/configs/c.1/uvc.usb0 ]
-	then
-		/etc/init.d/uvc_tool.sh unmount
-	fi
-
-	# rndis
-	if [ -e /sys/kernel/config/usb_gadget/g0/configs/c.1/rndis.usb0 ]
-	then
-		unlink /sys/kernel/config/usb_gadget/g0/configs/c.1/rndis.usb0
-		rmdir /sys/kernel/config/usb_gadget/g0/functions/rndis.usb0
-	fi
-
-	# ncm
-	if [ -e /sys/kernel/config/usb_gadget/g0/configs/c.1/ncm.usb0 ]
-	then
-		unlink /sys/kernel/config/usb_gadget/g0/configs/c.1/ncm.usb0
-		rmdir /sys/kernel/config/usb_gadget/g0/functions/ncm.usb0
-	fi
-fi
-
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S04backlight b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S04backlight
deleted file mode 100755
index ba397cc24..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S04backlight
+++ /dev/null
@@ -1,33 +0,0 @@
-#!/bin/sh
-
-if [ "$1" = "start" ]
-then
-	. /etc/profile
-	if [ ! -e /boot/alpha ]
-	then
-		devmem 0x030010AC 32 0x04 # PINMUX PWM10
-		blpwm="/sys/class/pwm/pwmchip8/pwm2/"
-		if [ ! -e "${blpwm}" ]
-		then
-			echo 2 > /sys/class/pwm/pwmchip8/export
-		fi
-		echo 0 > $blpwm/enable
-		echo "10000" > ${blpwm}/period # 100KHZ
-		panel_value=""
-		if [ -e /boot/board ]
-		then
-			panel_value=$(grep '^panel=' /boot/board | cut -d '=' -f 2)
-		elif [ -e /boot/uEnv.txt ]
-		then
-			panel_value=$(grep '^panel=' /boot/uEnv.txt | cut -d '=' -f 2)
-		fi
-		if [ "$panel_value" = "st7701_hd228001c31" ]
-		then
-			echo "2000" > ${blpwm}/duty_cycle # 20%
-		else
-			echo "9000" > ${blpwm}/duty_cycle
-		fi
-		echo 1 > $blpwm/enable
-	fi
-	exit 0
-fi
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S04fb b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S04fb
deleted file mode 100755
index 39ae6e746..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S04fb
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/bin/sh
-
-if [ "$1" = "start" ]
-then
-	. /etc/profile
-	if [ -e /boot/fb ]
-	then
-		echo "framebuffer enable"
-		insmod /mnt/system/ko/soph_fb.ko
-		# we need keep node /dev/fb0 open
-		# graphic layer will disable after node /dev/fb0 is closed
-		(
-		exec 3<>/dev/fb0
-		while true
-		do
-			sleep 65535
-		done
-		) &
-	fi
-	exit 0
-fi
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S05tp b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S05tp
deleted file mode 100755
index bfec20842..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S05tp
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/bin/sh
-
-if [ "$1" = "start" ]
-then
-	. /etc/profile
-	panel_value=""
-	if [ -e /boot/board ]
-	then
-		panel_value=$(grep '^panel=' /boot/board | cut -d '=' -f 2)
-	elif [ -e /boot/uEnv.txt ]
-	then
-		panel_value=$(grep '^panel=' /boot/uEnv.txt | cut -d '=' -f 2)
-	fi
-	if [ "$panel_value" = "st7701_lct024bsi20" ]
-	then
-		echo "load cst7xx touchscreen driver"
-		insmod /mnt/system/ko/hynitron_touch_new.ko
-	elif [ "$panel_value" = "st7701_hd228001c31" ]
-	then
-		echo "load cst3xx touchscreen driver"
-		insmod /mnt/system/ko/hynitron_touch.ko
-	fi
-	if [ -e /boot/gt9xx ]
-	then
-		echo "load gt9xx touchscreen driver"
-		insmod /mnt/system/ko/3rd/gt9xx.ko
-	fi
-	exit 0
-fi
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S10uuid b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S10uuid
deleted file mode 100755
index 53afed049..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S10uuid
+++ /dev/null
@@ -1,48 +0,0 @@
-#!/bin/sh
-hex2mac() {
-	MAC=""
-	seq 2 2 12 | while read i
-	do
-		echo -n ${1} | head -c $i | tail -c 2
-		if [ $i != 12 ]
-		then
-			echo -n ':'
-		fi
-	done | tr '[:upper:]' '[:lower:]'
-}
-
-if [ "${1}" = start ]
-then
-	prefix=licheervnano
-	if [ -e /boot/hostname.prefix ]
-	then
-		prefix=$(cat /boot/hostname.prefix)
-	fi
-	old_hostname=$(cat /etc/hostname)
-	new_hostname=${prefix}-$(sha512sum /device_key_legacy | head -c 4)
-
-	if [ -e /boot/hostname ]
-	then
-		new_hostname=$(cat /boot/hostname)
-	fi
-
-	if [ "${old_hostname}" != "${new_hostname}" ]
-	then
-		hostname ${new_hostname}
-		echo ${new_hostname} > /etc/hostname
-		sed -i -e "s/${old_hostname}/${new_hostname}/g" /etc/hosts
-	fi
-	echo "hostname: ${new_hostname}"
-
-	if [ -e /boot/eth.mac ]
-	then
-		new_ethmac=$(cat /boot/ethmac)
-	else
-		new_ethmac=$(hex2mac 48da356f$(sha512sum /device_key_legacy  | head -c 4))
-	fi
-
-	ifconfig eth0 down
-	ip link set eth0 address ${new_ethmac}
-	ifconfig eth0 up
-	echo "ethernet mac address: ${new_ethmac}"
-fi
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S25wifimod b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S25wifimod
deleted file mode 100755
index b287dd4a0..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S25wifimod
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/bin/sh
-
-if [ "$1" = "start" ]
-then
-	. /etc/profile
-	printf "load wifi kernel module: "
-	cd /mnt/system/ko/
-	insmod cfg80211.ko
-	insmod 3rd/aic8800_bsp.ko
-	insmod 3rd/aic8800_fdrv.ko
-	insmod 3rd/8733bs.ko
-	echo "OK"
-	exit 0
-fi
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S30eth b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S30eth
deleted file mode 100755
index d30bc52c1..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S30eth
+++ /dev/null
@@ -1,33 +0,0 @@
-#!/bin/sh
-
-. /etc/profile
-
-start() {
-	printf "start ethernet: "
-	if [ ! -e /boot/eth.nodhcp ]
-	then
-		(udhcpc -i eth0 -t 10 -T 1 -A 5 -b -p /run/udhcpc.eth0.pid) &
-	fi
-	echo "OK"
-}
-
-stop() {
-	kill `cat /run/udhcpc.eth0.pid`
-	rm /run/udhcpc.eth0.pid
-}
-
-restart() {
-	start
-	stop
-}
-
-if [ "${1}" = "start" ]
-then
-	start
-elif [ "${1}" = "stop" ]
-then
-	stop
-elif [ "${1}" = "restart" ]
-then
-	restart
-fi
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S30gadget_nic b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S30gadget_nic
deleted file mode 100755
index 6ed4bb279..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S30gadget_nic
+++ /dev/null
@@ -1,176 +0,0 @@
-#!/bin/sh
-
-. /etc/profile
-
-gen_udhcpd_conf() {
-	interface=${1}
-	ipv4_prefix=${2}
-	echo "start ${ipv4_prefix}.100"
-	echo "end ${ipv4_prefix}.200"
-	echo "interface ${interface}"
-	echo "pidfile /var/run/udhcpd.${interface}.pid"
-	echo "lease_file /var/lib/misc/udhcpd.${interface}.leases"
-	echo "option subnet 255.255.255.0"
-	echo "option lease 864000"
-}
-
-hex2mac() {
-	MAC=""
-	seq 2 2 12 | while read i
-	do
-		echo -n ${1} | head -c $i | tail -c 2
-		if [ $i != 12 ]
-		then
-			echo -n ':'
-		fi
-	done | tr '[:upper:]' '[:lower:]'
-}
-
-start() {
-	# S03usbdev start first
-	if [ -e /boot/usb.dev ]
-	then
-		rndis_ifname=usb0
-		# RNDIS
-		if [ -e /boot/usb.rndis ]
-		then
-			# mac
-			if [ -e /boot/usb.rndis.mac ]
-			then
-				new_rndismac=$(cat /boot/usb.rndis.mac)
-			else
-				new_rndismac=$(hex2mac 48da356f$(sha512sum /device_key_legacy | head -c 4))
-			fi
-			ip link set $rndis_ifname address ${new_rndismac}
-			ifconfig $rndis_ifname up
-			echo "rndis mac address: ${new_rndismac}"
-
-			# dhcp
-			if [ ! -e /boot/rndis.nodhcpd ]
-			then
-				if [ -e /boot/rndis.ipv4_prefix ]
-				then
-					ipv4_prefix=`cat /boot/rndis.ipv4_prefix`
-				else
-					id2=$(printf "%d" 0x$(sha512sum /device_key_legacy | head -c 2))
-					id3=$(printf "%d" 0x$(sha512sum /device_key_legacy | head -c 4 | tail -c 2))
-					id3=$((id3 + 1))
-					if [ "$id2" = "$id3" ]
-					then
-						id2=$((id2 + 2))
-					fi
-					if [ "$id2" -ge 255 ]
-					then
-						id2=252
-					fi
-					if [ "$id3" -ge 255 ]
-					then
-						id3=251
-					fi
-					ipv4_prefix=10.$id2.$id3
-				fi
-				gen_udhcpd_conf $rndis_ifname "${ipv4_prefix}"  > /etc/udhcpd.${rndis_ifname}.conf
-				ip addr add $ipv4_prefix.1/24 dev $rndis_ifname
-				udhcpd -S /etc/udhcpd.${rndis_ifname}.conf
-			fi
-			echo "RNDIS DHCP OK"
-			rndis_ifname=usb1
-		fi
-
-		# CDC NCM
-		if [ -e /boot/usb.ncm ]
-		then
-			# mac
-			if [ -e /boot/usb.ncm.mac ]
-			then
-				new_mac=$(cat /boot/usb.ncm.mac)
-			else
-				new_mac=$(hex2mac 48da356e$(sha512sum /device_key_legacy | head -c 4))
-			fi
-			ip link set $rndis_ifname address ${new_mac}
-			ifconfig $rndis_ifname up
-			echo "ncm mac address: ${new_mac}"
-
-			# dhcp
-			if [ ! -e /boot/ncm.nodhcpd ]
-			then
-				if [ -e /boot/ncm.ipv4_prefix ]
-				then
-					ipv4_prefix=`cat /boot/ncm.ipv4_prefix`
-				else
-					id2=$(printf "%d" 0x$(sha512sum /device_key_legacy | head -c 2))
-					id3=$(printf "%d" 0x$(sha512sum /device_key_legacy | head -c 4 | tail -c 2))
-					if [ "$id2" = "$id3" ]
-					then
-						id2=$((id2 + 1))
-					fi
-					if [ "$id2" -ge 255 ]
-					then
-						id2=253
-					fi
-					if [ "$id3" -ge 255 ]
-					then
-						id3=254
-					fi
-					ipv4_prefix=10.$id2.$id3
-				fi
-				gen_udhcpd_conf $rndis_ifname "${ipv4_prefix}"  > /etc/udhcpd.${rndis_ifname}.conf
-				ip addr add $ipv4_prefix.1/24 dev $rndis_ifname
-				udhcpd -S /etc/udhcpd.${rndis_ifname}.conf
-			fi
-			echo "CDC NCM DHCP OK"
-		fi
-	fi
-}
-
-stop() {
-	# first card
-	if [ -e /var/run/udhcpd.usb0.pid ]
-	then
-		kill $(cat "/var/run/udhcpd.usb0.pid")
-		rm /var/run/udhcpd.usb0.pid || true
-	fi
-	pnum=$(ps -ef|grep udhcpd|grep -v grep| grep udhcpd.usb0.conf | awk '{print $1}' | wc -l)
-	if [ x$pnum != x0 ]
-	then
-		ps -ef|grep udhcpd|grep -v grep| grep udhcpd.usb0.conf | awk '{print $1}'|xargs kill -2 || true
-	fi
-	usb0_info=$(ip link |grep usb0)
-	if [ -n "$usb0_info" ]
-	then
-		ifconfig usb0 down
-	fi
-
-	# second card
-	if [ -e /var/run/udhcpd.usb1.pid ]
-	then
-		kill $(cat /var/run/udhcpd.usb1.pid)
-		rm /var/run/udhcpd.usb1.pid || true
-	fi
-	pnum=$(ps -ef|grep udhcpd|grep -v grep| grep udhcpd.usb1.conf | awk '{print $1}' | wc -l)
-	if [ x$pnum != x0 ]
-	then
-		ps -ef|grep udhcpd|grep -v grep| grep udhcpd.usb1.conf | awk '{print $1}'|xargs kill -2 || true
-	fi
-	usb0_info=$(ip link |grep usb1)
-	if [ -n "$usb0_info" ]
-	then
-		ifconfig usb1 down
-	fi
-}
-
-restart() {
-	stop
-	start
-}
-
-if [ "${1}" = "start" ]
-then
-	start
-elif [ "${1}" = "stop" ]
-then
-	stop
-elif [ "${1}" = "restart" ]
-then
-	restart
-fi
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S30wifi b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S30wifi
deleted file mode 100755
index 9c4df0f22..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S30wifi
+++ /dev/null
@@ -1,168 +0,0 @@
-#!/bin/sh
-
-. /etc/profile
-
-gen_hostapd_conf() {
-	ssid="${1}"
-	pass="${2}"
-	echo "ctrl_interface=/var/run/hostapd"
-	echo "ctrl_interface_group=0"
-	echo "ssid=${ssid}"
-	echo "hw_mode=g"
-	echo "channel=1"
-	echo "beacon_int=100"
-	echo "dtim_period=2"
-	echo "max_num_sta=255"
-	echo "rts_threshold=-1"
-	echo "fragm_threshold=-1"
-	echo "macaddr_acl=0"
-	echo "auth_algs=3"
-	echo "wpa=2"
-	echo "wpa_passphrase=${pass}"
-	echo "ieee80211n=1"
-}
-
-
-
-gen_udhcpd_conf() {
-        interface=${1}
-        ipv4_prefix=${2}
-        echo "start ${ipv4_prefix}.100"
-        echo "end ${ipv4_prefix}.200"
-        echo "interface ${interface}"
-        echo "pidfile /var/run/udhcpd.${interface}.pid"
-        echo "lease_file /var/lib/misc/udhcpd.${interface}.leases"
-        echo "option subnet 255.255.255.0"
-        echo "option lease 864000"
-}
-
-start() {
-	if [ -e /boot/wifi.sta ]
-	then
-		echo "wifi mode: sta"
-		if [ -e /boot/wpa_supplicant.conf ]
-		then
-			cp /boot/wpa_supplicant.conf /etc/wpa_supplicant.conf
-		else
-			ssid=""
-			pass=""
-			if [ -e /boot/wifi.ssid ]
-			then
-				echo -n "ssid: "
-				cat /boot/wifi.ssid
-				ssid=`cat /boot/wifi.ssid`
-			fi
-			if [ -e /boot/wifi.pass ]
-			then
-				echo -n "wifi.pass: "
-				cat /boot/wifi.pass
-				pass=`cat /boot/wifi.pass`
-			fi
-			if [ ! -z "${ssid}${pass}" ]
-			then
-				echo "ctrl_interface=/var/run/wpa_supplicant" > /etc/wpa_supplicant.conf
-				wpa_passphrase "$ssid" "$pass" >> /etc/wpa_supplicant.conf
-			fi
-		fi
-		wpa_supplicant -B -i wlan0 -c /etc/wpa_supplicant.conf
-		if [ ! -e /boot/wifi.nodhcp ]
-		then
-			(udhcpc -i wlan0 -t 10 -T 1 -A 5 -b -p /run/udhcpc.wlan0.pid) &
-		fi
-	elif [ -e /boot/wifi.ap ]
-	then
-		echo "wifi mode: ap"
-		if [ -e /boot/hostapd.conf ]
-		then
-			cp /boot/hostapd.conf /etc/hostapd.conf
-		else
-			id2=$(printf "%d" 0x$(sha512sum /device_key_legacy | head -c 2))
-			id3=$(printf "%d" 0x$(sha512sum /device_key_legacy | head -c 4 | tail -c 2))
-			if [ "$id2" = "$id3" ]
-			then
-				id2=$((id2 + 1))
-			fi
-			if [ "$id2" -ge 255 ]
-			then
-				id2=253
-			fi
-			if [ "$id3" -ge 255 ]
-			then
-				id3=254
-			fi
-			ssid="licheervnano-${id2}${id3}"
-			pass="licheervnano"
-			if [ -e /boot/wifi.ssid ]
-			then
-				echo -n "ssid: "
-				cat /boot/wifi.ssid
-				ssid=`cat /boot/wifi.ssid`
-			fi
-			if [ -e /boot/wifi.pass ]
-			then
-				echo -n "wifi.pass: "
-				cat /boot/wifi.pass
-				pass=`cat /boot/wifi.pass`
-			fi
-			gen_hostapd_conf "$ssid" "$pass" > /etc/hostapd.conf
-		fi
-		if [ -e /boot/wifi.ipv4_prefix ]
-		then
-			ipv4_prefix=`cat /boot/wifi.ipv4_prefix`
-		else
-			ipv4_prefix=10.$id3.$id2
-		fi
-		if [ ! -e /etc/udhcpd.wlan0.conf ]
-		then
-			gen_udhcpd_conf wlan0 "${ipv4_prefix}"  > /etc/udhcpd.wlan0.conf
-		fi
-		ifconfig wlan0 up
-		ip route del default || true
-		# routes=$(ip route show | grep 'dev wlan0' | awk '{print $1}')
-		# for route in $routes; do
-		# 	ip route del $route dev wlan0
-		# 	echo "Deleted route $route dev wlan0"
-		# done
-		ip add flush dev wlan0
-		ip addr add $ipv4_prefix.1/24 dev wlan0
-		hostapd -B -i wlan0 /etc/hostapd.conf
-		udhcpd -S /etc/udhcpd.wlan0.conf
-	elif [ -e /boot/wifi.mon ]
-	then
-		echo "wifi mode: mon"
-		airmon-ng start wlan0
-	fi
-}
-
-stop() {
-	ps -ef|grep hostapd|grep -v grep|awk '{print $1}'|xargs kill -2 || true
-	ps -ef|grep "udhcpd -S /etc/udhcpd.wlan0.conf" |grep -v grep|awk '{print $1}'|xargs kill -2 || true
-	killall wpa_supplicant || true
-	if [ -e /run/udhcpc.wlan0.pid ]
-	then
-		kill `cat /run/udhcpc.wlan0.pid` || true
-		rm -f /run/udhcpc.wlan0.pid
-	fi
-	if [ -e /var/run/udhcpd.wlan0.pid ]
-	then
-		kill `cat /var/run/udhcpd.wlan0.pid`  || true
-		rm -f /var/run/udhcpd.wlan0.pid
-	fi
-	airmon-ng stop wlan0mon || true
-}
-
-restart() {
-	stop
-	start
-}
-
-if [ "${1}" = "start" ]
-then
-	start
-elif [ "${1}" = "stop" ]
-then
-	stop
-elif [ "${1}" = "restart" ]
-then
-	restart
-fi
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99audtest b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99audtest
deleted file mode 100755
index 5aaa9ea2d..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99audtest
+++ /dev/null
@@ -1,42 +0,0 @@
-#!/bin/sh
-
-case "$1" in
-  start)
-    printf "Starting audtest: "
-    if [ -e /boot/audtest ]
-    then
-	    touch /tmp/audtest
-    fi
-    (
-    if [ -e /tmp/audtest ]
-    then
-	    sleep 20
-    fi
-    while true
-    do
-	    if [ ! -e /tmp/audtest ]
-	    then
-		break
-	    fi
-	    . /etc/profile
-	    export HOME=/root
-	    rm /tmp/rec.wav
-	    arecord -f S16_LE -d 1 /tmp/rec.wav
-	    aplay -f S16_LE -Dhw:1,0 /tmp/rec.wav
-	    sleep 0.5
-    done
-    ) &
-    [ $? = 0 ] && echo "OK" || echo "FAIL"
-  ;;
-  stop)
-    printf "Stopping audtest: "
-    rm /tmp/audtest
-    echo "OK"
-  ;;
-  restart)
-    printf "Restart audtest: "
-    $(realpath ${0}) stop
-    $(realpath ${0}) start
-    echo "OK"
-  ;;
-esac
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99camtest b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99camtest
deleted file mode 100755
index ff0683078..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99camtest
+++ /dev/null
@@ -1,31 +0,0 @@
-#!/bin/sh
-
-case "$1" in
-  start)
-    printf "Starting camtest: "
-    if [ -e /boot/camtest ]
-    then
-	    touch /tmp/camtest
-    fi
-    if [ ! -e /tmp/camtest ]
-    then
-	exit 0
-else
-	sleep 1
-    fi
-    (nice -n 17 /mnt/system/usr/bin/sample_vio 6 &> /dev/null) &
-    [ $? = 0 ] && echo "OK" || echo "FAIL"
-  ;;
-  stop)
-    printf "Stopping camtest: "
-    rm /tmp/camtest
-    killall sample_vio
-    echo "OK"
-  ;;
-  restart)
-    printf "Restart camtest: "
-    $(realpath ${0}) stop
-    $(realpath ${0}) start
-    echo "OK"
-  ;;
-esac
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99ednctest b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99ednctest
deleted file mode 100755
index 9a3ed269d..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99ednctest
+++ /dev/null
@@ -1,39 +0,0 @@
-#!/bin/sh
-
-case "$1" in
-  start)
-    printf "Starting ednctest: "
-    if [ -e /boot/ednctest ]
-    then
-	    touch /tmp/ednctest
-    fi
-    . /etc/profile
-    (
-    while true
-    do
-	    if [ ! -e /tmp/ednctest ]
-	    then
-		break
-	    fi
-	    if [ ! -e /tmp/rand.h264 ]
-	    then
-	    	dd if=/dev/urandom of=/tmp/rand.yuv bs=1M count=2
-		/mnt/system/usr/bin/sample_venc -h 1080 -w 1080 -c 264 -i rand.yuv -o /tmp/rand
-	    fi
-	    /mnt/system/usr/bin/sample_vcodec sample_vdec -c 264 -i rand.h264 -o rand
-    done
-    ) &
-    [ $? = 0 ] && echo "OK" || echo "FAIL"
-  ;;
-  stop)
-    printf "Stopping ednctest: "
-    rm /tmp/ednctest
-    echo "OK"
-  ;;
-  restart)
-    printf "Restart ednctest: "
-    $(realpath ${0}) stop
-    $(realpath ${0}) start
-    echo "OK"
-  ;;
-esac
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99ivetest b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99ivetest
deleted file mode 100755
index 1312c928e..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99ivetest
+++ /dev/null
@@ -1,38 +0,0 @@
-#!/bin/sh
-
-case "$1" in
-  start)
-    printf "Starting ivetest: "
-    if [ -e /boot/ivetest ]
-    then
-	    touch /tmp/ivetest
-    fi
-    . /etc/profile
-    (
-    while true
-    do
-	    if [ ! -e /tmp/ivetest ]
-	    then
-		break
-	    fi
-	    if [ ! -e /tmp/rand2MiB ]
-	    then
-	    	dd if=/dev/urandom of=/tmp/rand2MiB bs=1M count=2
-	    fi
-	    /mnt/system/usr/bin/ive_stress 1920 1080 /tmp/rand2MiB 1000
-    done
-    ) &
-    [ $? = 0 ] && echo "OK" || echo "FAIL"
-  ;;
-  stop)
-    printf "Stopping ivetest: "
-    rm /tmp/ivetest
-    echo "OK"
-  ;;
-  restart)
-    printf "Restart ivetest: "
-    $(realpath ${0}) stop
-    $(realpath ${0}) start
-    echo "OK"
-  ;;
-esac
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99lcdtest b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99lcdtest
deleted file mode 100755
index dac111629..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99lcdtest
+++ /dev/null
@@ -1,39 +0,0 @@
-#!/bin/sh
-
-case "$1" in
-  start)
-    printf "Starting lcdtest: "
-    if [ -e /boot/lcdtest ]
-    then
-	    touch /tmp/lcdtest
-    fi
-    if [ -e /tmp/lcdtest ]
-    then
-	    sleep 2
-        fbpattern
-    fi
-    (
-    while true
-    do
-	    if [ ! -e /tmp/lcdtest ]
-	    then
-		break
-	    fi
-	date | fbbar 0 0xFFFFFFFF 0xFF000000
-	sleep 1
-    done
-    ) &
-    [ $? = 0 ] && echo "OK" || echo "FAIL"
-  ;;
-  stop)
-    printf "Stopping lcdtest: "
-    rm /tmp/lcdtest
-    echo "OK"
-  ;;
-  restart)
-    printf "Restart lcdtest: "
-    $(realpath ${0}) stop
-    $(realpath ${0}) start
-    echo "OK"
-  ;;
-esac
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99loadtest b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99loadtest
deleted file mode 100755
index c128d88b6..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99loadtest
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/bin/sh
-
-case "$1" in
-  start)
-    printf "Starting loadtest: "
-    if [ -e /boot/loadtest ]
-    then
-	    touch /tmp/loadtest
-    fi
-    (
-    while true
-    do
-	    if [ ! -e /tmp/loadtest ]
-	    then
-		break
-	    fi
-	    colorbg=0xFF000000
-	    colorfg=0xFFFFFFFF
-	    echo "tpu_clk: $(cat /sys/kernel/debug/clk/clk_tpu/clk_rate)" | fbbar 16 $colorfg $colorbg
-            sleep 1
-    done
-    ) &
-    [ $? = 0 ] && echo "OK" || echo "FAIL"
-  ;;
-  stop)
-    printf "Stopping loadtest: "
-    rm /tmp/loadtest
-    echo "OK"
-  ;;
-  restart)
-    printf "Restart loadtest: "
-    $(realpath ${0}) stop
-    $(realpath ${0}) start
-    echo "OK"
-  ;;
-esac
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99local b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99local
deleted file mode 100755
index fd7a21aea..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99local
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/bin/sh
-
-if [ "${1}" = "start" ]
-then
-	if [ ! -e /boot/rclocal.disable ]
-	then
-		sh /etc/rc.local &
-	fi
-fi
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99modeltest b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99modeltest
deleted file mode 100755
index d97a23f83..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99modeltest
+++ /dev/null
@@ -1,35 +0,0 @@
-#!/bin/sh
-
-case "$1" in
-  start)
-    printf "Starting modeltest: "
-    if [ -e /boot/modeltest ]
-    then
-	    touch /tmp/modeltest
-    fi
-    (
-    while true
-    do
-	    if [ ! -e /tmp/modeltest ]
-	    then
-		break
-	    fi
-	    cd /usr/bin/
-	nice -n 19 model_runner_test 10000
-    done
-    ) &
-    [ $? = 0 ] && echo "OK" || echo "FAIL"
-  ;;
-  stop)
-    printf "Stopping modeltest: "
-    rm /tmp/modeltest
-    killall model_runner
-    echo "OK"
-  ;;
-  restart)
-    printf "Restart modeltest: "
-    $(realpath ${0}) stop
-    $(realpath ${0}) start
-    echo "OK"
-  ;;
-esac
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99nettest b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99nettest
deleted file mode 100755
index e24ae24f5..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99nettest
+++ /dev/null
@@ -1,109 +0,0 @@
-#!/bin/sh
-
-GREEN=0xFF00FF00
-RED=0xFFFF0000
-
-WLAN0_TIMEOUT=15
-ETH0_TIMEOUT=8
-
-case "$1" in
-  start)
-    printf "Starting nettest: "
-    if [ -e /boot/nettest ]
-    then
-	    touch /tmp/nettest
-    fi
-    if [ -e /boot/nettest_url ]
-    then
-	    url=$(cat /boot/nettest_url)
-    fi
-    if [ -z "${url}" ]
-    then
-	    url=http://192.168.0.104:8000/rand10MiB
-    fi
-    (
-    while true
-    do
-	    if [ ! -e /tmp/nettest ]
-	    then
-		break
-	    fi
-	    colorbg=0xFF000000
-	    colorfg=0xFFFFFFFF
-	    wlan0_stat=$(ip link show wlan0 | head -n 1)
-	    wlan0_addr=$(ip link show wlan0 | tail -n 1)
-	    if [ -z "${wlan0_stat}" ]
-	    then
-		    wlan0_stat="wlan0 not found"
-		    colorfg=$RED
-	    fi
-	    echo "$wlan0_stat" | fbbar 64 $colorfg $colorbg
-	    echo "$wlan0_addr" | fbbar 80 $colorfg $colorbg
-	    colorfg=0xFFFFFFFF
-	    eth0_stat=$(ip link show eth0 | head -n 1)
-	    eth0_addr=$(ip link show eth0 | tail -n 1)
-	    if [ -z "${eth0_stat}" ]
-	    then
-		    eth0_stat="eth0 not found"
-		    colorfg=$RED
-	    fi
-	    echo "$eth0_stat" | fbbar 96 $colorfg $colorbg
-	    echo "$eth0_addr" | fbbar 112 $colorfg $colorbg
-	    wlan0_dl_start=$(cat /proc/uptime | awk -F. '{print $1}')
-	    curl --interface wlan0 --max-time ${WLAN0_TIMEOUT} ${url} > /dev/null
-	    if [ $? -ne 0 ]
-	    then
-		    wlan0_dl_time=-1
-		    udhcpc -i wlan0 -t 1 -T 1 -A 1 -v -n
-	    else
-		    wlan0_dl_end=$(cat /proc/uptime | awk -F. '{print $1}')
-		    wlan0_dl_time=$((wlan0_dl_end - wlan0_dl_start))
-	    fi
-	    if [ "${wlan0_dl_time}" -ge $((WLAN0_TIMEOUT - 3)) ]
-	    then
-		    colorfg=$RED
-	    elif [ "${wlan0_dl_time}" = -1 ]
-	    then
-		    colorfg=$RED
-	    else
-		    colorfg=$GREEN
-	    fi
-	    echo "wlan0 download test: ${wlan0_dl_time}" | fbbar 128 $colorfg $colorbg
-	    eth0_dl_start=$(cat /proc/uptime | awk -F. '{print $1}')
-	    curl --interface eth0 --max-time ${ETH0_TIMEOUT} ${url} > /dev/null
-	    if [ $? -ne 0 ]
-	    then
-		    eth0_dl_time=-1
-		    udhcpc -i eth0 -t 1 -T 1 -A 1 -v -n
-            else
-		    eth0_dl_end=$(cat /proc/uptime | awk -F. '{print $1}')
-		    eth0_dl_time=$((eth0_dl_end - eth0_dl_start))
-	    fi
-	    if [ "${eth0_dl_time}" -ge $((ETH0_TIMEOUT - 3)) ]
-	    then
-		    colorfg=$RED
-	    elif [ "${eth0_dl_time}" = -1 ]
-	    then
-		    colorfg=$RED
-	    else
-		    colorfg=$GREEN
-	    fi
-	    echo "eth0 download test: ${eth0_dl_time}" | fbbar 144 $colorfg $colorbg
-            sleep 0.5
-    done
-    ) &
-    [ $? = 0 ] && echo "OK" || echo "FAIL"
-  ;;
-  stop)
-    printf "Stopping nettest: "
-    rm /tmp/nettest
-    echo "OK"
-    sleep 1
-  ;;
-  restart)
-    printf "Restart nettest: "
-    $(realpath ${0}) stop
-    $(realpath ${0}) start
-    echo "OK"
-  ;;
-esac
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99nntest b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99nntest
deleted file mode 100755
index 5c1f26920..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99nntest
+++ /dev/null
@@ -1,35 +0,0 @@
-#!/bin/sh
-
-case "$1" in
-  start)
-    printf "Starting nntest: "
-    if [ -e /boot/nntest ]
-    then
-	    touch /tmp/nntest
-    fi
-    (
-    while true
-    do
-	    if [ ! -e /tmp/nntest ]
-	    then
-		break
-	    fi
-	    cd /usr/bin/
-	nice -n 19 nn_runner_test 1000
-    done
-    ) &
-    [ $? = 0 ] && echo "OK" || echo "FAIL"
-  ;;
-  stop)
-    printf "Stopping nntest: "
-    rm /tmp/nntest
-    killall nn_runner_test
-    echo "OK"
-  ;;
-  restart)
-    printf "Restart nntest: "
-    $(realpath ${0}) stop
-    $(realpath ${0}) start
-    echo "OK"
-  ;;
-esac
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99resizefs b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99resizefs
deleted file mode 100755
index b0d1d81f0..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99resizefs
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/bin/sh
-
-. /etc/profile
-
-if [ "${1}" = start ]
-then
-	# use all sdcard free space for data
-	parted -s /dev/mmcblk0 "resizepart 2 -0"
-	echo "yes
-	100%
-	" | parted ---pretend-input-tty /dev/mmcblk0 "resizepart 2 100%"
-	# resize data filesystem
-	(resize2fs /dev/mmcblk0p2) &
-fi
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99temptest b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99temptest
deleted file mode 100755
index 882456ab4..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99temptest
+++ /dev/null
@@ -1,47 +0,0 @@
-#!/bin/sh
-
-GREEN=0xFF00FF00
-RED=0xFFFF0000
-
-case "$1" in
-  start)
-    printf "Starting temptest: "
-    if [ -e /boot/temptest ]
-    then
-	    touch /tmp/temptest
-    fi
-    (
-    while true
-    do
-	    if [ ! -e /tmp/temptest ]
-	    then
-		break
-	    fi
-	    colorbg=0xFF000000
-	    soc_temp=$(cat /sys/class/thermal/thermal_zone0/temp)
-	    if [ "${soc_temp}" -le 75000 ]
-	    then
-		    colorfg=$GREEN
-	    else
-		    colorfg=$RED
-	    fi
-	    echo "soc temp: $soc_temp" | fbbar 32 $colorfg $colorbg
-	    colorfg=0xFFFFFFFF
-      echo "soc id: $(cat /device_key_legacy)" | fbbar 48 $colorfg $colorbg
-      sleep 1
-    done
-    ) &
-    [ $? = 0 ] && echo "OK" || echo "FAIL"
-  ;;
-  stop)
-    printf "Stopping temptest: "
-    rm /tmp/temptest
-    echo "OK"
-  ;;
-  restart)
-    printf "Restart temptest: "
-    $(realpath ${0}) stop
-    $(realpath ${0}) start
-    echo "OK"
-  ;;
-esac
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/uvc-gadget-server.elf b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/uvc-gadget-server.elf
deleted file mode 100755
index b08f776fa..000000000
Binary files a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/uvc-gadget-server.elf and /dev/null differ
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/uvc-gadget-server.tar.xz b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/uvc-gadget-server.tar.xz
deleted file mode 100644
index 41ef4d421..000000000
Binary files a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/uvc-gadget-server.tar.xz and /dev/null differ
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/uvc_tool.sh b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/uvc_tool.sh
deleted file mode 100755
index 63fe20350..000000000
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/uvc_tool.sh
+++ /dev/null
@@ -1,274 +0,0 @@
-#! /bin/sh
-
-# 支持的格式，可以通过修改这个变量自定义支持的格式
-# Supported formats, you can customize the list by modifying this variable
-supported_formats="yuyv mjpg"
-
-# 支持的分辨率，可以通过修改这个变量自定义支持的分辨率
-# Supported resolutions, you can customize the list by modifying this variable
-supported_resolutions="480x320 640x360 640x480 1280x720 1920x1080 2560x1440"
-
-
-parse_uvc_config() {
-	input_file="$1"  # 传入的文件路径 / Path to the input file
-	parsed_data=""  # 初始化 parsed_data 为空 / Initialize parsed_data as empty
-
-	# 检查文件是否存在并可读取 / Check if the file exists and is readable
-	if [ -z "$input_file" ]; then
-		# 没有提供文件路径 / No input file provided
-		echo "Warn: No input file provided for config." 1>&2  # 输出到标准错误 / Output to stderr
-	elif [ ! -f "$input_file" ]; then
-		# 文件不存在 / File does not exist
-		echo "Warn: File '$input_file' does not exist." 1>&2  # 输出到标准错误 / Output to stderr
-	elif [ ! -r "$input_file" ]; then
-		# 文件不可读取 / File is not readable
-		echo "Warn: File '$input_file' is not readable." 1>&2  # 输出到标准错误 / Output to stderr
-	else
-		# 使用 awk 处理文件内容 / Using awk to process the file content
-		parsed_data=$(awk -v resolutions="$supported_resolutions" -v formats="$supported_formats" '
-		BEGIN {
-			OFS = " ";
-			split(resolutions, supported_res, " ");  # 将支持的分辨率放入数组 / Split the supported resolutions into an array
-			split(formats, supported_fmt, " ");  # 将支持的格式放入数组 / Split the supported formats into an array
-		}
-		/^[^#]/ {  # 只处理非 # 开头的行 / Process lines that do not start with #
-			fmt = $1;
-			res = $2;
-
-			# 检查格式是否在支持的格式列表中 / Check if the format is in the supported formats list
-			is_supported_fmt = 0;
-			for (i in supported_fmt) {
-				if (fmt == supported_fmt[i]) {
-					is_supported_fmt = 1;
-					break;
-				}
-			}
-			if (!is_supported_fmt) {
-				print "Unsupported format:", fmt > "/dev/stderr";  # 输出不支持的格式到标准错误 / Output unsupported format to stderr
-				next;
-			}
-
-			if (res ~ /^[0-9]+x[0-9]+$/) {  # 匹配 640x360/1280x720 这种格式 / Match the format like 640x360 or 1280x720
-				is_supported_res = 0;
-				for (i in supported_res) {
-					if (res == supported_res[i]) {
-						is_supported_res = 1;
-						break;
-					}
-				}
-				if (!is_supported_res) {
-					print "Unsupported resolution:", res > "/dev/stderr";  # 输出不支持的分辨率到标准错误 / Output unsupported resolution to stderr
-					next;
-				}
-				split(res, dims, "x");  # 将 1280x720 按 "x" 分割成宽高 / Split 1280x720 into width and height
-				w = dims[1];
-				h = dims[2];
-			} else {
-				print "Invalid resolution format:", res > "/dev/stderr";  # 输出无效的分辨率格式到标准错误 / Output invalid resolution format to stderr
-				next;
-			}
-			print fmt, w, h;  # 输出格式 fmt, w, h / Output fmt, w, h
-		}
-		' "$input_file")
-	fi
-
-	# 确保至少包含 'mjpg' 和 'yuyv' 格式 / Ensure at least one 'mjpg' and 'yuyv' format exists
-	has_mjpg=$(echo "$parsed_data" | grep -w "mjpg")
-	has_yuyv=$(echo "$parsed_data" | grep -w "yuyv")
-
-	if [ -z "$has_mjpg" ]; then
-		default_mjpg=$'\nmjpg 480x320\nmjpg 640x360\nmjpg 640x480\nmjpg 1280x720\nmjpg 1920x1080\nmjpg 2560x1440\n'
-        echo "Warn: No 'mjpg' config found, adding default: $default_mjpg" 1>&2
-		parsed_data="$parsed_data""$(echo "$default_mjpg" | sed 's/x/ /g')"
-	fi
-
-	if [ -z "$has_yuyv" ]; then
-		default_yuyv=$'\nyuyv 480x320\nyuyv 640x360\nyuyv 640x480\nyuyv 1280x720\nyuyv 1920x1080\nyuyv 2560x1440\n'
-        echo "Warn: No 'yuyv' config found, adding default: $default_yuyv" 1>&2
-		parsed_data="$parsed_data""$(echo "$default_yuyv" | sed 's/x/ /g')"
-	fi
-
-	parsed_data=$(echo "$parsed_data" | sed '/^$/d')  # 删除空行
-
-	echo "$parsed_data"  # 返回解析的数据 / Return the parsed data
-}
-
-
-
-
-##########################################################################
-# UVC
-
-CONFIGFS_PATH="/sys/kernel/config/usb_gadget/g0"
-ORIGINAL_DIR=$(pwd)  # 记录脚本启动时的目录 / Record the original working directory
-
-create_frame() {
-	# Example usage:
-	# create_frame <width> <height> <format name>
-
-	WIDTH=$1
-	HEIGHT=$2
-	FORMAT=$3
-
-	if [ "$FORMAT" == "yuyv" ]; then
-		wdir=streaming/uncompressed/u/${HEIGHT}p
-	elif [ "$FORMAT" == "mjpg" ]; then
-		wdir=streaming/mjpeg/m/${HEIGHT}p
-	else
-		echo "only support format yuyv/mjpeg!"
-		exit 1
-	fi
-
-	mkdir -p $wdir
-	echo $WIDTH > $wdir/wWidth
-	echo $HEIGHT > $wdir/wHeight
-	echo $(( $WIDTH * $HEIGHT * 2 )) > $wdir/dwMaxVideoFrameBufferSize
-	echo $(( $WIDTH * $HEIGHT * 2 * 8 * 5  )) > $wdir/dwMinBitRate
-	echo $(( $WIDTH * $HEIGHT * 2 * 8 * 60 )) > $wdir/dwMaxBitRate
-
-	cat > $wdir/dwFrameInterval <<EOF
-166666
-333333
-400000
-500000
-666666
-1000000
-2000000
-EOF
-	echo "333333" > $wdir/dwDefaultFrameInterval
-
-<< EOF
-    configure FrameRate
-    dwFrameInterfal is in 100-ns units (fps = 1/(dwFrameInterval * 10000000))
-      166666 -> 60 fps
-      333333 -> 30 fps
-      400000 -> 25 fps
-      500000 -> 20 fps
-      666666 -> 15 fps
-     1000000 -> 10 fps
-     2000000 ->  5 fps
-     5000000 ->  2 fps
-    10000000 ->  1 fps
-EOF
-}
-
-
-# 挂载 UVC ConfigFS / Mount the UVC ConfigFS
-mount_uvc_configfs() {
-	echo "Mounting UVC ConfigFS in $(pwd)"
-
-	# 创建 functions/uvc.usb0 目录 / Create the directory for uvc.usb0
-	mkdir -p functions/uvc.usb0
-	cd functions/uvc.usb0
-
-	# 在 functions/uvc.usb0 目录中创建控制头和符号链接 / Create control header and symlink it in uvc.usb0
-	mkdir -p control/header/h
-		ln -s control/header/h/ control/class/fs/
-		ln -s control/header/h/ control/class/ss/
-
-	# streaming_maxpacket sets wMaxPacketSize. Valid values are 1024/2048/3072
-	echo 1024 > streaming_maxpacket
-	# streaming_interval sets bInterval. Values range from 1..255
-	echo 1 > streaming_interval
-	# streaming_maxburst sets bMaxBurst. Valid values are 1..15
-	echo 1 > streaming_maxburst
-
-	# 在 functions/uvc.usb0 目录中创建流媒体路径 / Create streaming paths in uvc.usb0
-	mkdir -p streaming/uncompressed/u  # YUV 目录 / YUV directory
-	mkdir -p streaming/mjpeg/m         # MJPEG 目录 / MJPEG directory
-		# 执行解析并直接传递给 while 循环进行处理 / Execute parsing and directly pass to while loop for processing
-		parse_uvc_config "$1" | while read fmt w h; do
-			echo "Adding: Format: $fmt, Width: $w, Height: $h"  # 输出格式、宽和高 / Output fmt, width, and height
-			create_frame $w $h $fmt
-		done
-	mkdir -p streaming/header/h
-		# 将 YUV 和 MJPEG 目录链接到流媒体头中 / Link YUV and MJPEG to streaming header
-		ln -s streaming/uncompressed/u/ streaming/header/h/
-		ln -s streaming/mjpeg/m/ streaming/header/h/
-		# 将 header 链接到 class 中 / Link header to classes
-		ln -s streaming/header/h/ streaming/class/fs
-		ln -s streaming/header/h/ streaming/class/hs
-		ln -s streaming/header/h/ streaming/class/ss
-
-	cd ../..
-	ln -s functions/uvc.usb0 configs/c.1
-
-    echo "UVC ConfigFS mounted successfully in $(pwd)"
-}
-
-# 卸载 UVC ConfigFS / Unmount the UVC ConfigFS
-unmount_uvc_configfs() {
-	echo "Unmounting UVC ConfigFS in $(pwd)"
-
-	unlink configs/c.1/uvc.usb0
-
-	cd functions/uvc.usb0
-
-	# 删除流媒体目录 / Remove streaming directories
-	unlink streaming/class/fs/h
-	unlink streaming/class/hs/h
-	unlink streaming/class/ss/h
-
-	unlink streaming/header/h/u
-	unlink streaming/header/h/m
-	rmdir streaming/header/h
-
-	rmdir streaming/uncompressed/u/*p
-	rmdir streaming/mjpeg/m/*p
-	rmdir streaming/uncompressed/u
-	rmdir streaming/mjpeg/m
-
-	unlink control/class/fs/h
-	unlink control/class/ss/h
-	rmdir control/header/h
-
-	cd ../..
-	# 删除 functions/uvc.usb0 目录 / Remove the uvc.usb0 directory
-	rmdir functions/uvc.usb0
-
-	echo UVC ConfigFS unmounted successfully in $(pwd)
-}
-
-# 进入工作目录 / Enter the working directory
-cd "$CONFIGFS_PATH" || return 1
-
-# 处理传入的参数
-# Process the input arguments
-case "$1" in
-	"mount")
-		mount_uvc_configfs "$2"
-        ;;
-	"unmount")
-		unmount_uvc_configfs
-        ;;
-	"server")
-		if [ -z "$(fuser /etc/init.d/uvc-gadget-server.elf)" ]; then
-			(	
-				echo "Waiting for UDC start..."
-				while [ -z "$(cat /sys/kernel/config/usb_gadget/g0/UDC)" ]; do
-					echo -n "."
-					sleep 1
-				done
-				sleep 3	# necessary delay time
-				if [ -z "$(fuser /etc/init.d/uvc-gadget-server.elf)" ]; then
-					echo -e "\nServer is starting..."  # 输出选择了 server 模式 / Output that the server mode is selected
-					echo -e "===============================\n\n\n"
-					# 在这里添加你希望在 server 模式下执行的其他操作 / Add other operations you want to perform in server mode here
-					/etc/init.d/uvc-gadget-server.elf  -u /dev/$(basename /sys/class/udc/*/device/gadget/video4linux/video*)  -d -i /bin/cat_224.jpg 
-				else
-					echo -e "\nServer has started..."
-					echo -e "===============================\n\n\n"
-				fi
-			) >/tmp/uvc-gadget.log 2>&1 &
-		fi
-	;;
-	"stop_server")
-		fuser -k /etc/init.d/uvc-gadget-server.elf
-	;;
-	*)
-		echo "Usage: $0 {mount <file>|unmount|server|stop_server}"  # 提示正确的使用方式 / Prompt the correct usage
-	;;
-esac
-
-# 返回原始目录 / Return to the original directory
-cd "$ORIGINAL_DIR" || return 1
\ No newline at end of file