diff --git a/.gitignore b/.gitignore
index 8e33a1205..b6e7800af 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@
 *.ko
 *.d
 host-tools/
+host-tools
 *.sqfs
 build/tools/common/sd_tools/genimage.cfg.tmp
 fsbl/build/*
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S02devicekey b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S02devicekey
index d9636c57a..9012b0ecc 100755
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S02devicekey
+++ b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S02devicekey
@@ -2,11 +2,6 @@
 
 if [ "$1" = "start" ]
 then
-	# Cache uid to prevent deadlock during cvi_base operation
-	if [ ! -e /boot/cvi_base_uid ]; then
-		$(cat /sys/class/cvi-base/base_uid > /boot/cvi_base_uid)
-	fi
-
 	str_value=$(cat /sys/class/cvi-base/base_uid | awk '{print $2}')
 	first_uint=$(echo $str_value | cut -d'_' -f1)
 	second_uint=$(echo $str_value | cut -d'_' -f2)
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S10uuid b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S10uuid
index 7d860d7aa..3f5c8f095 100755
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S10uuid
+++ b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S10uuid
@@ -19,11 +19,7 @@ then
 		prefix=$(cat /boot/hostname.prefix)
 	fi
 	old_hostname=$(cat /etc/hostname)
-	if [ -e /boot/cvi_base_uid ]; then
-		new_hostname=${prefix}-$(sha512sum /boot/cvi_base_uid | head -c 4)
-	else
-		new_hostname=${prefix}-$(sha512sum /sys/class/cvi-base/base_uid | head -c 4)
-	fi
+	new_hostname=${prefix}-$(sha512sum /device_key | head -c 4)
 
 	if [ -e /boot/hostname ]
 	then
@@ -42,11 +38,7 @@ then
 	then
 		new_ethmac=$(cat /boot/ethmac)
 	else
-		if [ -e /boot/cvi_base_uid ]; then
-			new_ethmac=$(hex2mac 48da356f$(sha512sum /boot/cvi_base_uid  | head -c 4))
-		else
-			new_ethmac=$(hex2mac 48da356f$(sha512sum /sys/class/cvi-base/base_uid | head -c 4))
-		fi
+		new_ethmac=$(hex2mac 48da356f$(sha512sum /device_key  | head -c 4))
 	fi
 
 	ifconfig eth0 down
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S30gadget_nic b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S30gadget_nic
index 169bde393..8fa9cc8ce 100755
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S30gadget_nic
+++ b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S30gadget_nic
@@ -39,11 +39,7 @@ start() {
 			then
 				new_rndismac=$(cat /boot/usb.rndis.mac)
 			else
-				if [ -e /boot/cvi_base_uid ]; then
-					new_rndismac=$(hex2mac 48da356f$(sha512sum /boot/cvi_base_uid | head -c 4))
-				else
-					new_rndismac=$(hex2mac 48da356f$(sha512sum /sys/class/cvi-base/base_uid | head -c 4))
-				fi
+				new_rndismac=$(hex2mac 48da356f$(sha512sum /device_key | head -c 4))
 			fi
 			ip link set $rndis_ifname address ${new_rndismac}
 			ifconfig $rndis_ifname up
@@ -56,13 +52,8 @@ start() {
 				then
 					ipv4_prefix=`cat /boot/rndis.ipv4_prefix`
 				else
-					if [ -e /boot/cvi_base_uid ]; then
-						id2=$(printf "%d" 0x$(sha512sum /boot/cvi_base_uid | head -c 2))
-						id3=$(printf "%d" 0x$(sha512sum /boot/cvi_base_uid | head -c 4 | tail -c 2))
-					else
-						id2=$(printf "%d" 0x$(sha512sum /sys/class/cvi-base/base_uid | head -c 2))
-						id3=$(printf "%d" 0x$(sha512sum /sys/class/cvi-base/base_uid | head -c 4 | tail -c 2))
-					fi
+					id2=$(printf "%d" 0x$(sha512sum /device_key | head -c 2))
+					id3=$(printf "%d" 0x$(sha512sum /device_key | head -c 4 | tail -c 2))
 					id3=$((id3 + 1))
 					if [ "$id2" = "$id3" ]
 					then
@@ -94,11 +85,7 @@ start() {
 			then
 				new_mac=$(cat /boot/usb.ncm.mac)
 			else
-				if [ -e /boot/cvi_base_uid ]; then
-					new_mac=$(hex2mac 48da356e$(sha512sum /boot/cvi_base_uid | head -c 4))
-				else
-					new_mac=$(hex2mac 48da356e$(sha512sum /sys/class/cvi-base/base_uid | head -c 4))
-				fi
+				new_mac=$(hex2mac 48da356e$(sha512sum /device_key | head -c 4))
 			fi
 			ip link set $rndis_ifname address ${new_mac}
 			ifconfig $rndis_ifname up
@@ -111,13 +98,8 @@ start() {
 				then
 					ipv4_prefix=`cat /boot/ncm.ipv4_prefix`
 				else
-					if [ -e /boot/cvi_base_uid ]; then
-						id2=$(printf "%d" 0x$(sha512sum /boot/cvi_base_uid | head -c 2))
-						id3=$(printf "%d" 0x$(sha512sum /boot/cvi_base_uid | head -c 4 | tail -c 2))
-					else
-						id2=$(printf "%d" 0x$(sha512sum /sys/class/cvi-base/base_uid | head -c 2))
-						id3=$(printf "%d" 0x$(sha512sum /sys/class/cvi-base/base_uid | head -c 4 | tail -c 2))
-					fi
+					id2=$(printf "%d" 0x$(sha512sum /device_key | head -c 2))
+					id3=$(printf "%d" 0x$(sha512sum /device_key | head -c 4 | tail -c 2))
 					if [ "$id2" = "$id3" ]
 					then
 						id2=$((id2 + 1))
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S30wifi b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S30wifi
index 7552b8db9..86a7ca455 100755
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S30wifi
+++ b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S30wifi
@@ -76,13 +76,8 @@ start() {
 		then
 			cp /boot/hostapd.conf /etc/hostapd.conf
 		else
-			if [ -e /boot/cvi_base_uid ]; then
-				id2=$(printf "%d" 0x$(sha512sum /boot/cvi_base_uid | head -c 2))
-				id3=$(printf "%d" 0x$(sha512sum /boot/cvi_base_uid | head -c 4 | tail -c 2))
-			else
-				id2=$(printf "%d" 0x$(sha512sum /sys/class/cvi-base/base_uid | head -c 2))
-				id3=$(printf "%d" 0x$(sha512sum /sys/class/cvi-base/base_uid | head -c 4 | tail -c 2))
-			fi
+			id2=$(printf "%d" 0x$(sha512sum /device_key | head -c 2))
+			id3=$(printf "%d" 0x$(sha512sum /device_key | head -c 4 | tail -c 2))
 			if [ "$id2" = "$id3" ]
 			then
 				id2=$((id2 + 1))
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99temptest b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99temptest
index 909efcb20..e6696982b 100755
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99temptest
+++ b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S99temptest
@@ -27,11 +27,7 @@ case "$1" in
 	    fi
 	    echo "soc temp: $soc_temp" | fbbar 32 $colorfg $colorbg
 	    colorfg=0xFFFFFFFF
-      if [ -e /boot/cvi_base_uid ]; then
-        echo "soc id: $(cat /boot/cvi_base_uid)" | fbbar 48 $colorfg $colorbg
-      else
-        echo "soc id: $(cat /sys/class/cvi-base/base_uid)" | fbbar 48 $colorfg $colorbg
-      fi
+      echo "soc id: $(cat /device_key)" | fbbar 48 $colorfg $colorbg
       sleep 1
     done
     ) &