diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..688a803
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+teco/firmware/v5.6.tfw filter=lfs diff=lfs merge=lfs -text
+teco/sd/v5.2.tar filter=lfs diff=lfs merge=lfs -text
diff --git a/README.md b/README.md
index 9b0f8ea..5e2a77e 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,3 @@
 # test_lfs
 
+hello
\ No newline at end of file
diff --git a/teco/firmware/v5.6.tfw b/teco/firmware/v5.6.tfw
new file mode 100644
index 0000000..4b96a6d
--- /dev/null
+++ b/teco/firmware/v5.6.tfw
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8228d2c3a16dff415c6ed7b25337a58f4685dddab0fbc1054b7e34c9e03cee16
+size 61533101
diff --git a/teco/fw.sh b/teco/fw.sh
new file mode 100644
index 0000000..5b5a785
--- /dev/null
+++ b/teco/fw.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+if [ "$1" == "ver"  ] || [ "$1" == "-ver" ]; then
+   echo '{"version":"14122022","compatible":"v5"}'
+else
+    . /lib/web/init
+    . /lib/init/functions
+    if [ -r /etc/default/fwupdate ]; then
+        . /etc/default/fwupdate
+    fi
+    if [ "$1"  == "b" ] || [ "$1"  == "-b" ]; then
+       cp -f /mnt/mmc/ez_sys/source/teco_firmware.tfw /tmp/update/teco_firmware.tfw 
+       #teco_imx6ul.tfw
+    fi
+    #rm -f /tmp/update/*.tfw >/dev/null 2>&1
+    /sbin/fwupdate -i 2>&1 &
+fi    
\ No newline at end of file
diff --git a/teco/sd.sh b/teco/sd.sh
new file mode 100644
index 0000000..3c0aac1
--- /dev/null
+++ b/teco/sd.sh
@@ -0,0 +1,34 @@
+#!/bin/bash
+if [ "$1" == "ver"  ] || [ "$1" == "-ver" ]; then
+   echo '{"version":"03112022","compatible":"v5"}'
+fi 
+
+if [ "$1" == "info"  ] || [ "$1" == "-info" ]; then
+    cid=$(sed -n '1p' /sys/block/mmcblk0/device/cid)
+    csd=$(sed -n '1p' /sys/block/mmcblk0/device/csd)
+    serial=$(sed -n '1p' /sys/block/mmcblk0/device/serial)
+    manfid=$(sed -n '1p' /sys/block/mmcblk0/device/manfid)
+    size1=$(df -h /dev/mmcblk0p1 | grep mmcblk |awk '{printf $2}')
+    size2=$(df -h /dev/mmcblk0p2 | grep mmcblk |awk '{printf $2}')
+    echo '{"cid":"'$cid'","csd":"'$csd'","serial":"'$serial'","manufacturer":"'$manfid'","size":["'$size1'","'$size2'"]}'
+fi
+
+if [ "$1" == "do"  ] || [ "$1" == "-do" ]; then
+    umount -f /dev/mmcblk0p1
+    umount -f /dev/mmcblk0p2
+    sleep 1
+    echo "delete MBR"
+    dd if=/dev/zero of=/dev/mmcblk0 bs=512 count=1
+    sleep 1
+    echo "create partitions"
+    printf "n\np\n1\n\n2000000\n\nn\np\n2\n2000001\n\nw\n" | fdisk /dev/mmcblk0
+    sleep 1
+    echo "create EXT4 SD"
+    umount -f /dev/mmcblk0p1
+    mkfs.ext4 -F -L sd /dev/mmcblk0p1
+    sleep 1
+    echo "create EXT4 LOG"
+    umount -f /dev/mmcblk0p2
+    mkfs.ext4 -F -L log /dev/mmcblk0p2
+    mount /dev/mmcblk0p1 /mnt/mmc
+fi
\ No newline at end of file
diff --git a/teco/sd/v5.2.tar b/teco/sd/v5.2.tar
new file mode 100644
index 0000000..4ca54e0
--- /dev/null
+++ b/teco/sd/v5.2.tar
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:053c6066dd4c1be0bc1ad9fbe98989b1d02d1a5c0bfabb41a2f915a47a95790e
+size 35676394