diff --git a/build/boards/sg200x/sg2002_licheervnano_sd/linux/sg2002_licheervnano_sd_defconfig b/build/boards/sg200x/sg2002_licheervnano_sd/linux/sg2002_licheervnano_sd_defconfig
index 69fa3c829e..69bbf0f474 100644
--- a/build/boards/sg200x/sg2002_licheervnano_sd/linux/sg2002_licheervnano_sd_defconfig
+++ b/build/boards/sg200x/sg2002_licheervnano_sd/linux/sg2002_licheervnano_sd_defconfig
@@ -8,7 +8,7 @@ CONFIG_PREEMPT=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=15
-CONFIG_BLK_DEV_INITRD=y
+CONFIG_BLK_DEV_INITRD=n
 # CONFIG_SYSFS_SYSCALL is not set
 # CONFIG_FHANDLE is not set
 # CONFIG_BASE_FULL is not set
@@ -58,7 +58,6 @@ CONFIG_MTD_UBI=y
 CONFIG_MTD_UBI_BLOCK=y
 CONFIG_NETDEVICES=y
 # CONFIG_NET_CORE is not set
-CONFIG_AIC_WLAN_SUPPORT=y
 # CONFIG_NET_VENDOR_ALACRITECH is not set
 # CONFIG_NET_VENDOR_AMAZON is not set
 # CONFIG_NET_VENDOR_AQUANTIA is not set
@@ -492,18 +491,6 @@ CONFIG_TIMERFD=n
 # for licheervnano
 CONFIG_FB_SIMPLE=y
 CONFIG_IP_MULTICAST=y
-CONFIG_TCP_CONG_ADVANCED=y
-CONFIG_MAC80211=y
-CONFIG_MAC80211_RC_MINSTREL=y
-CONFIG_U_SERIAL_CONSOLE=y
-CONFIG_NET_CORE=y
-CONFIG_WIREGUARD=y
-CONFIG_TUN=y
-CONFIG_PPP=y
-CONFIG_PPPOE=y
-CONFIG_PPP_ASYNC=y
-CONFIG_PPP_SYNC_TTY=y
-CONFIG_SLIP=y
 CONFIG_SND_PROC_FS=y
 CONFIG_BT=y
 CONFIG_BT_RFCOMM=y
@@ -527,92 +514,6 @@ CONFIG_USB_F_EEM=y
 CONFIG_USB_GADGET_VBUS_DRAW=500
 CONFIG_IPV6=y
 # CONFIG_IPV6_SIT is not set
-CONFIG_NETFILTER=y
-CONFIG_NETFILTER_ADVANCED=y
-CONFIG_NET_IPIP=y
-CONFIG_BRIDGE=y
-CONFIG_INET_DIAG=y
-CONFIG_INET_UDP_DIAG=y
-CONFIG_INET_RAW_DIAG=y
-CONFIG_INET_DIAG_DESTROY=y
-CONFIG_IP_NF_IPTABLES=y
-CONFIG_NF_TABLES=y
-CONFIG_NF_TABLES_INET=y
-CONFIG_NF_TABLES_NETDEV=y
-CONFIG_NFT_NUMGEN=y
-CONFIG_NFT_COUNTER=y
-CONFIG_NFT_LOG=y
-CONFIG_NFT_LIMIT=y
-CONFIG_NFT_TUNNEL=y
-CONFIG_NFT_OBJREF=y
-CONFIG_NFT_QUOTA=y
-CONFIG_NFT_REJECT=y
-CONFIG_NFT_COMPAT=y
-CONFIG_NFT_HASH=y
-CONFIG_NFT_SOCKET=y
-CONFIG_NFT_OSF=y
-CONFIG_NFT_TPROXY=y
-CONFIG_NF_DUP_NETDEV=y
-CONFIG_NFT_DUP_NETDEV=y
-CONFIG_NFT_FWD_NETDEV=y
-CONFIG_NF_CONNTRACK=y
-CONFIG_IP_NF_NAT=y
-CONFIG_IP_NF_TARGET_MASQUERADE=y
-CONFIG_IP_NF_TARGET_NETMAP=y
-CONFIG_IP_NF_TARGET_REDIRECT=y
-CONFIG_IP6_NF_IPTABLES=y
-CONFIG_IP6_NF_NAT=y
-CONFIG_IP6_NF_TARGET_MASQUERADE=y
-CONFIG_IP6_NF_TARGET_NPT=y
-CONFIG_NETFILTER_NETLINK_ACCT=y
-CONFIG_NETFILTER_NETLINK_QUEUE=y
-CONFIG_NETFILTER_NETLINK_LOG=y
-CONFIG_NF_LOG_NETDEV=y
-CONFIG_NF_CONNTRACK_MARK=y
-CONFIG_NF_CONNTRACK_ZONES=y
-CONFIG_NF_CONNTRACK_EVENTS=y
-CONFIG_NF_CONNTRACK_TIMEOUT=y
-CONFIG_NF_CONNTRACK_TIMESTAMP=y
-CONFIG_NF_CONNTRACK_LABELS=y
-CONFIG_NF_CT_NETLINK=y
-CONFIG_NF_CT_NETLINK_TIMEOUT=y
-CONFIG_NETFILTER_NETLINK_GLUE_CT=y
-CONFIG_NF_CT_NETLINK_HELPER=y
-CONFIG_NFT_CT=y
-CONFIG_NFT_CONNLIMIT=y
-CONFIG_NFT_MASQ=y
-CONFIG_NFT_REDIR=y
-CONFIG_NFT_NAT=y
-CONFIG_NFT_QUEUE=y
-CONFIG_NFT_SYNPROXY=y
-CONFIG_NF_FLOW_TABLE=y
-CONFIG_NF_FLOW_TABLE_INET=y
-CONFIG_NFT_DUP_IPV4=y
-CONFIG_NFT_FIB_IPV4=y
-CONFIG_NF_TABLES_ARP=y
-CONFIG_NF_FLOW_TABLE_IPV4=y
-CONFIG_NF_LOG_IPV4=y
-CONFIG_NF_LOG_ARP=y
-CONFIG_IP_NF_FILTER=y
-CONFIG_IP_NF_TARGET_REJECT=y
-CONFIG_IP_NF_TARGET_SYNPROXY=y
-CONFIG_IP_NF_MANGLE=y
-CONFIG_IP_NF_TARGET_CLUSTERIP=y
-CONFIG_IP_NF_TARGET_ECN=y
-CONFIG_IP_NF_TARGET_TTL=y
-CONFIG_IP_NF_RAW=y
-CONFIG_IP_NF_ARPTABLES=y
-CONFIG_IP_NF_ARPFILTER=y
-CONFIG_IP_NF_ARP_MANGLE=y
-CONFIG_IP6_NF_FILTER=y
-CONFIG_IP6_NF_TARGET_REJECT=y
-CONFIG_IP6_NF_TARGET_SYNPROXY=y
-CONFIG_IP6_NF_MANGLE=y
-CONFIG_IP6_NF_RAW=y
-CONFIG_NF_DUP_IPV6=y
-CONFIG_NFT_DUP_IPV6=y
-CONFIG_NFT_FIB_IPV6=y
-CONFIG_NF_CONNTRACK_BRIDGE=y
 CONFIG_PACKET_DIAG=y
 CONFIG_UNIX_DIAG=y
 CONFIG_NETLINK_DIAG=y
@@ -620,17 +521,6 @@ CONFIG_AIC_WLAN_SUPPORT=y
 CONFIG_KEYBOARD_GPIO=y
 CONFIG_INPUT_TOUCHSCREEN=y
 CONFIG_TOUCHSCREEN_HYNITRON_TS=y
-CONFIG_RD_XZ=y
-CONFIG_RD_LZMA=y
-CONFIG_BLK_DEV_LOOP=y
-CONFIG_F2FS_FS=y
-CONFIG_F2FS_FS_COMPRESSION=y
-CONFIG_F2FS_FS_LZO=y
-CONFIG_F2FS_FS_LZ4=y
-CONFIG_F2FS_FS_ZSTD=y
-CONFIG_F2FS_FS_LZORLE=y
-CONFIG_EROFS_FS=y
-CONFIG_EROFS_FS_ZIP=y
 CONFIG_MAGIC_SYSRQ=y
 # CONFIG_MAGIC_SYSRQ_SERIAL is not set
 CONFIG_NEW_LEDS=y
@@ -649,34 +539,27 @@ CONFIG_V4L2_FLASH_LED_CLASS=y
 CONFIG_MEDIA_USB_SUPPORT=y
 CONFIG_USB_VIDEO_CLASS=y
 CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV=y
-CONFIG_VT=y
-CONFIG_VT_CONSOLE=y
-CONFIG_VT_HW_CONSOLE_BINDING=y
-CONFIG_FRAMEBUFFER_CONSOLE=y
-CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
-CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
-CONFIG_FRAMEBUFFER_CONSOLE_DEFERRED_TAKEOVER=y
 
-# these driver may be broken jpeg driver
+# these driver may broken codec driver
 # CONFIG_FUSE_FS is not set
 # CONFIG_CUSE is not set
 # CONFIG_OVERLAY_FS is not set
 # CONFIG_NAMESPACES is not set
 # CONFIG_UTS_NS is not set
 # CONFIG_IPC_NS is not set
-# CONFIG_USER_NS=y
-# CONFIG_PID_NS=y
-# CONFIG_NET_NS=y
-# CONFIG_CGROUPS=y
-# CONFIG_MEMCG=y
-# CONFIG_BLK_CGROUP=y
-# CONFIG_CGROUP_SCHED=y
-# CONFIG_FAIR_GROUP_SCHED=y
-# CONFIG_CFS_BANDWIDTH=y
-# CONFIG_RT_GROUP_SCHED=y
-# CONFIG_CGROUP_PIDS=y
-# CONFIG_CGROUP_DEVICE=y
-# CONFIG_CHECKPOINT_RESTORE=y
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
+# CONFIG_NET_NS is not set
+# CONFIG_CGROUPS is not set
+# CONFIG_MEMCG is not set
+# CONFIG_BLK_CGROUP is not set
+# CONFIG_CGROUP_SCHED is not set
+# CONFIG_FAIR_GROUP_SCHED is not set
+# CONFIG_CFS_BANDWIDTH is not set
+# CONFIG_RT_GROUP_SCHED is not set
+# CONFIG_CGROUP_PIDS is not set
+# CONFIG_CGROUP_DEVICE is not set
+# CONFIG_CHECKPOINT_RESTORE is not set
 CONFIG_EPOLL=y
 CONFIG_IO_URING=y
 CONFIG_SIGNALFD=y
diff --git a/build/tools/common/sd_tools/genimage_rootless.cfg b/build/tools/common/sd_tools/genimage_rootless.cfg
index 675118824d..a00ca6db00 100644
--- a/build/tools/common/sd_tools/genimage_rootless.cfg
+++ b/build/tools/common/sd_tools/genimage_rootless.cfg
@@ -4,6 +4,10 @@ image boot.vfat {
                 files = {
                         "fip.bin",
                         "rawimages/boot.sd",
+			"usb.dev",
+			"usb.rndis0",
+			"fb",
+			"wifi.sta",
                 }
         }
         size = 16M 
diff --git a/build/tools/common/sd_tools/sd_gen_burn_image_rootless.sh b/build/tools/common/sd_tools/sd_gen_burn_image_rootless.sh
index 2a013d4421..ef666af03d 100755
--- a/build/tools/common/sd_tools/sd_gen_burn_image_rootless.sh
+++ b/build/tools/common/sd_tools/sd_gen_burn_image_rootless.sh
@@ -25,6 +25,11 @@ mkdir -pv ${output_dir}/input/rawimages/
 cp -fv ${output_dir}/fip.bin ${output_dir}/input/
 cp -fv ${output_dir}/rawimages/boot.sd ${output_dir}/input/rawimages/
 cp -fv ${output_dir}/rawimages/rootfs.sd ${output_dir}/input/
+touch ${output_dir}/input/usb.dev
+touch ${output_dir}/input/usb.rndis0
+touch ${output_dir}/input/fb
+touch ${output_dir}/input/wifi.sta
+touch ${output_dir}/input/gt9xx
 cp -fv ${THISDIR}/genimage_rootless.cfg ${output_dir}/genimage.cfg
 sed -i -e "s/duo.img/${image}/g" ${output_dir}/genimage.cfg
 cd ${output_dir}/
diff --git a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S03usbdev b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S03usbdev
index 971246485a..4e0d778b87 100755
--- a/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S03usbdev
+++ b/buildroot/board/cvitek/SG200X/overlay/etc/init.d/S03usbdev
@@ -17,13 +17,13 @@ then
 		then
 			cat /boot/usb.idVendor > idVendor
 		else
-			echo 0x0123 > idVendor
+			echo 0x3346 > idVendor
 		fi
 		if [ -e /boot/usb.idProduct ]
 		then
 			cat /boot/usb.idProduct > idProduct
 		else
-			echo 0x4567 > idProduct
+			echo 0x1009 > idProduct
 		fi
 		mkdir strings/0x409
 		if [ -e /boot/usb.serialnumber ]
@@ -55,6 +55,29 @@ then
 			mkdir functions/rndis.usb0
 			ln -s functions/rndis.usb0 configs/c.1/
 		fi
+		if [ -e /boot/usb.disk0 ]
+		then
+			mkdir functions/mass_storage.disk0
+			ln -s functions/mass_storage.disk0 configs/c.1/
+			echo 1 > functions/mass_storage.disk0/lun.0/removable
+			if [ -e /boot/usb.disk0.ro ]
+			then
+				echo 1 > functions/mass_storage.disk0/lun.0/ro
+				echo 1 > functions/mass_storage.disk0/lun.0/cdrom
+			fi
+			disk=$(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
 		ls /sys/class/udc/ | cat > UDC
 		echo device > /proc/cviusb/otg_role
 	fi
diff --git a/buildroot/configs/cvitek_SG200X_musl_riscv64_defconfig b/buildroot/configs/cvitek_SG200X_musl_riscv64_defconfig
index 9e0813de84..a9908e8529 100644
--- a/buildroot/configs/cvitek_SG200X_musl_riscv64_defconfig
+++ b/buildroot/configs/cvitek_SG200X_musl_riscv64_defconfig
@@ -183,6 +183,7 @@ BR2_PACKAGE_XORCURSES=y
 BR2_PACKAGE_INPUT_EVENT_DAEMON=y
 BR2_PACKAGE_BLUEZ_TOOLS=y
 BR2_PACKAGE_TPUDEMO_SG200X=y
+BR2_PACKAGE_SG2002_CODEC_FIRMWARE=y
 BR2_PACKAGE_TCPDUMP=y
 BR2_PACKAGE_SSDP_RESPONDER=y
 BR2_PACKAGE_PPPD=y
diff --git a/buildroot/package/Config.in b/buildroot/package/Config.in
index a901677996..e9e1505e9d 100644
--- a/buildroot/package/Config.in
+++ b/buildroot/package/Config.in
@@ -2807,6 +2807,7 @@ menu "Sipeed"
 	source "package/lcdtest/Config.in"
 	source "package/tpudemo-sg200x/Config.in"
 	source "package/xuantie-gdb/Config.in"
+	source "package/sg2002-codec-firmware/Config.in"
 endmenu
 
 
diff --git a/buildroot/package/sg2002-codec-firmware/Config.in b/buildroot/package/sg2002-codec-firmware/Config.in
new file mode 100644
index 0000000000..c5eac91ad7
--- /dev/null
+++ b/buildroot/package/sg2002-codec-firmware/Config.in
@@ -0,0 +1,4 @@
+config BR2_PACKAGE_SG2002_CODEC_FIRMWARE
+	bool "sg2002-codec-firmware"
+	help
+	  sg2002 codec firmware
diff --git a/buildroot/package/sg2002-codec-firmware/sg2002-codec-firmware.mk b/buildroot/package/sg2002-codec-firmware/sg2002-codec-firmware.mk
new file mode 100644
index 0000000000..92a84f6863
--- /dev/null
+++ b/buildroot/package/sg2002-codec-firmware/sg2002-codec-firmware.mk
@@ -0,0 +1,15 @@
+################################################################################
+#
+# sg2002-codec-firmware
+#
+################################################################################
+
+SG2002_CODEC_FIRMWARE_VERSION = 1e339b782642ce1b2c8aa81f9fdef212912a6a83
+SG2002_CODEC_FIRMWARE_SITE = $(call github,0x754C,sg2002_codec_fw,$(SG2002_CODEC_FIRMWARE_VERSION))
+
+define SG2002_CODEC_FIRMWARE_INSTALL_TARGET_CMDS
+	mkdir -pv $(TARGET_DIR)/usr/share/fw_vcodec/
+	rsync -r --verbose --copy-dirlinks --copy-links --hard-links ${@D}/* $(TARGET_DIR)/usr/share/fw_vcodec/
+endef
+
+$(eval $(generic-package))