diff --git a/files/board/arpl/overlayfs/opt/arpl/include/functions.sh b/files/board/arpl/overlayfs/opt/arpl/include/functions.sh
index 1548939f..e75eb02d 100755
--- a/files/board/arpl/overlayfs/opt/arpl/include/functions.sh
+++ b/files/board/arpl/overlayfs/opt/arpl/include/functions.sh
@@ -60,20 +60,20 @@ function dieLog() {
 ###############################################################################
 # Generate a number with 6 digits from 1 to 30000
 function random() {
-  printf "%06d" $(($RANDOM % 30000 + 1))
+  printf "%06d" $((${RANDOM} % 30000 + 1))
 }
 
 ###############################################################################
 # Generate a hexa number from 0x00 to 0xFF
 function randomhex() {
-  printf "&02X" "$(($RANDOM % 255 + 1))"
+  printf "&02X" "$((${RANDOM} % 255 + 1))"
 }
 
 ###############################################################################
 # Generate a random letter
 function generateRandomLetter() {
   for i in A B C D E F G H J K L M N P Q R S T V W X Y Z; do
-    echo $i
+    echo ${i}
   done | sort -R | tail -1
 }
 
@@ -81,7 +81,7 @@ function generateRandomLetter() {
 # Generate a random digit (0-9A-Z)
 function generateRandomValue() {
   for i in 0 1 2 3 4 5 6 7 8 9 A B C D E F G H J K L M N P Q R S T V W X Y Z; do
-    echo $i
+    echo ${i}
   done | sort -R | tail -1
 }
 
@@ -118,7 +118,7 @@ function validateSerial() {
     echo 0
     return
   fi
-  echo ${PREFIX} | grep -q ${S}
+  echo "${PREFIX}" | grep -q "${S}"
   if [ $? -eq 1 ]; then
     echo 0
     return
@@ -162,19 +162,19 @@ function _get_conf_kv() {
 # 3 - path
 function _set_conf_kv() {
   # Delete
-  if [ -z "$2" ]; then
-    sed -i "$3" -e "s/^$1=.*$//"
+  if [ -z "${2}" ]; then
+    sed -i "${3}" -e "s/^${1}=.*$//"
     return $?
   fi
 
   # Replace
-  if grep -q "^$1=" "$3"; then
-    sed -i "$3" -e "s\"^$1=.*\"$1=\\\"$2\\\"\""
+  if grep -q "^${1}=" "${3}"; then
+    sed -i "${3}" -e "s\"^${1}=.*\"${1}=\\\"${2}\\\"\""
     return $?
   fi
 
   # Add if doesn't exist
-  echo "$1=\"$2\"" >>$3
+  echo "${1}=\"${2}\"" >>"${3}"
 }
 
 ###############################################################################
@@ -184,7 +184,7 @@ function findAndMountDSMRoot() {
   [ $(mount | grep -i "${DSMROOT_PATH}" | wc -l) -gt 0 ] && return 0
   dsmrootdisk="$(blkid /dev/sd* | grep -i raid | awk '{print $1 " " $4}' | grep UUID | grep sd[a-z]1 | head -1 | awk -F ":" '{print $1}')"
   [ -z "${dsmrootdisk}" ] && return -1
-  [ $(mount | grep -i "${DSMROOT_PATH}" | wc -l) -eq 0 ] && mount -t ext4 $dsmrootdisk "${DSMROOT_PATH}"
+  [ $(mount | grep -i "${DSMROOT_PATH}" | wc -l) -eq 0 ] && mount -t ext4 "${dsmrootdisk}" "${DSMROOT_PATH}"
   if [ $(mount | grep -i "${DSMROOT_PATH}" | wc -l) -eq 0 ]; then
     echo "Failed to mount"
     return -1
diff --git a/files/board/arpl/overlayfs/opt/arpl/init.sh b/files/board/arpl/overlayfs/opt/arpl/init.sh
index 1e476427..e3b6130c 100755
--- a/files/board/arpl/overlayfs/opt/arpl/init.sh
+++ b/files/board/arpl/overlayfs/opt/arpl/init.sh
@@ -16,8 +16,8 @@ done
 
 [ -z "${LOADER_DISK}" ] && die "$(TEXT "Loader disk not found!")"
 NUM_PARTITIONS=$(blkid | grep "${LOADER_DISK}[0-9]\+" | cut -d: -f1 | wc -l)
-[ $NUM_PARTITIONS -lt 3 ] && die "$(TEXT "Loader disk seems to be damaged!")"
-[ $NUM_PARTITIONS -gt 3 ] && die "$(TEXT "There are multiple loader disks, please insert only one loader disk!")"
+[ ${NUM_PARTITIONS} -lt 3 ] && die "$(TEXT "Loader disk seems to be damaged!")"
+[ ${NUM_PARTITIONS} -gt 3 ] && die "$(TEXT "There are multiple loader disks, please insert only one loader disk!")"
 
 # Check partitions and ignore errors
 fsck.vfat -aw ${LOADER_DISK}1 >/dev/null 2>&1 || true
@@ -39,10 +39,10 @@ mount ${LOADER_DISK}3 ${CACHE_PATH} || die "$(printf "$(TEXT "Can't mount %s")"
 # Shows title
 clear
 TITLE="$(printf "$(TEXT "Welcome to %s")" "${ARPL_TITLE}")"
-printf "\033[1;44m%*s\n" $COLUMNS ""
-printf "\033[1;44m%*s\033[A\n" $COLUMNS ""
-printf "\033[1;32m%*s\033[0m\n" $(((${#TITLE} + $COLUMNS) / 2)) "${TITLE}"
-printf "\033[1;44m%*s\033[0m\n" $COLUMNS ""
+printf "\033[1;44m%*s\n" ${COLUMNS} ""
+printf "\033[1;44m%*s\033[A\n" ${COLUMNS} ""
+printf "\033[1;32m%*s\033[0m\n" $(((${#TITLE} + ${COLUMNS}) / 2)) "${TITLE}"
+printf "\033[1;44m%*s\033[0m\n" ${COLUMNS} ""
 
 # Move/link SSH machine keys to/from cache volume
 [ ! -d "${CACHE_PATH}/ssh" ] && cp -R "/etc/ssh" "${CACHE_PATH}/ssh"
@@ -146,7 +146,7 @@ ENDSECTOR=$(($(fdisk -l ${LOADER_DISK} | awk '/'${LOADER_DEVICE_NAME}3'/{print$3
 if [ ${SIZEOFDISK} -ne ${ENDSECTOR} ]; then
   echo -e "\033[1;36m$(printf "$(TEXT "Resizing %s")" "${LOADER_DISK}3")\033[0m"
   echo -e "d\n\nn\n\n\n\n\nn\nw" | fdisk "${LOADER_DISK}" >"${LOG_FILE}" 2>&1 || dieLog
-  resize2fs ${LOADER_DISK}3 >"${LOG_FILE}" 2>&1 || dieLog
+  resize2fs "${LOADER_DISK}3" >"${LOG_FILE}" 2>&1 || dieLog
 fi
 
 # Load keymap name
@@ -154,9 +154,9 @@ LAYOUT="$(readConfigKey "layout" "${USER_CONFIG_FILE}")"
 KEYMAP="$(readConfigKey "keymap" "${USER_CONFIG_FILE}")"
 
 # Loads a keymap if is valid
-if [ -f /usr/share/keymaps/i386/${LAYOUT}/${KEYMAP}.map.gz ]; then
+if [ -f "/usr/share/keymaps/i386/${LAYOUT}/${KEYMAP}.map.gz" ]; then
   echo -e "$(TEXT "Loading keymap") \033[1;32m${LAYOUT}/${KEYMAP}\033[0m"
-  zcat /usr/share/keymaps/i386/${LAYOUT}/${KEYMAP}.map.gz | loadkeys
+  zcat "/usr/share/keymaps/i386/${LAYOUT}/${KEYMAP}.map.gz" | loadkeys
 fi
 
 # Decide if boot automatically
@@ -186,7 +186,7 @@ while [ ${COUNT} -lt 30 ]; do
       hasConnect="true"
     fi
   done
-  if [ ${hasConnect} = "true" ]; then
+  if [ "${hasConnect}" = "true" ]; then
     echo -en "connected.\n"
     break
   fi
diff --git a/files/board/arpl/overlayfs/opt/arpl/menu.sh b/files/board/arpl/overlayfs/opt/arpl/menu.sh
index 3661d9d9..d17401ca 100755
--- a/files/board/arpl/overlayfs/opt/arpl/menu.sh
+++ b/files/board/arpl/overlayfs/opt/arpl/menu.sh
@@ -7,8 +7,8 @@
 # Check partition 3 space, if < 2GiB is necessary clean cache folder
 CLEARCACHE=0
 LOADER_DISK="$(blkid | grep 'LABEL="ARPL3"' | cut -d3 -f1)"
-LOADER_DEVICE_NAME=$(echo ${LOADER_DISK} | sed 's|/dev/||')
-if [ $(cat /sys/block/${LOADER_DEVICE_NAME}/${LOADER_DEVICE_NAME}3/size) -lt 4194304 ]; then
+LOADER_DEVICE_NAME=$(echo "${LOADER_DISK}" | sed 's|/dev/||')
+if [ $(cat "/sys/block/${LOADER_DEVICE_NAME}/${LOADER_DEVICE_NAME}3/size") -lt 4194304 ]; then
   CLEARCACHE=1
 fi
 
@@ -182,7 +182,7 @@ function productversMenu() {
     dialog --backtitle "$(backtitle)" --colors --title "$(TEXT "Product Version")" \
       --infobox "$(TEXT "Get pat data ..")" 0 0
     idx=0
-    while [ $idx -le 3 ]; do # Loop 3 times, if successful, break
+    while [ ${idx} -le 3 ]; do # Loop 3 times, if successful, break
       speed_a=$(ping -c 1 -W 5 www.synology.com | awk '/time=/ {print $7}' | cut -d '=' -f 2)
       speed_b=$(ping -c 1 -W 5 www.synology.cn | awk '/time=/ {print $7}' | cut -d '=' -f 2)
       fastest="$(echo -e "https://www.synology.com/api/support/findDownloadInfo?lang=en-us ${speed_a:-999}\nhttps://www.synology.cn/api/support/findDownloadInfo?lang=zh-cn ${speed_b:-999}" | sort -k2n | head -1 | awk '{print $1}')"
@@ -195,7 +195,7 @@ function productversMenu() {
           break
         fi
       fi
-      idx=$((idx + 1))
+      idx=$((${idx} + 1))
     done
     if [ -z "${paturl}" -o -z "${patsum}" ]; then
       MSG="$(TEXT "Failed to get pat data,\nPlease manually fill in the URL and md5sum of the corresponding version of pat.")"
@@ -356,7 +356,7 @@ function addonMenu() {
       fi
       dialog --backtitle "$(backtitle)" --colors --title "$(TEXT "Addons")" \
         --msgbox "$(TEXT "Please upload the *.addons file.")" 0 0
-      TMP_UP_PATH=/tmp/users
+      TMP_UP_PATH=${TMP_PATH}/users
       USER_FILE=""
       rm -rf ${TMP_UP_PATH}
       mkdir -p ${TMP_UP_PATH}
@@ -504,7 +504,7 @@ function moduleMenu() {
       [ $? -ne 0 ] && return
       dialog --backtitle "$(backtitle)" --colors --title "$(TEXT "Modules")" \
         --msgbox "$(TEXT "Please upload the *.ko file.")" 0 0
-      TMP_UP_PATH=/tmp/users
+      TMP_UP_PATH=${TMP_PATH}/users
       USER_FILE=""
       rm -rf ${TMP_UP_PATH}
       mkdir -p ${TMP_UP_PATH}
@@ -1143,15 +1143,15 @@ function advancedMenu() {
         --yesno "${MSG}" 0 0
       [ $? -ne 0 ] && return
       (
-        mkdir -p /tmp/sdX1
-        for I in $(ls /dev/sd*1 2>/dev/null | grep -v ${LOADER_DISK}1); do
-          mount ${I} /tmp/sdX1
-          [ -f "/tmp/sdX1/etc/VERSION" ] && rm -f "/tmp/sdX1/etc/VERSION"
-          [ -f "/tmp/sdX1/etc.defaults/VERSION" ] && rm -f "/tmp/sdX1/etc.defaults/VERSION"
+        mkdir -p "${TMP_PATH}/sdX1"
+        for I in $(ls /dev/sd*1 2>/dev/null | grep -v "${LOADER_DISK}1"); do
+          mount "${I}" "${TMP_PATH}/sdX1"
+          [ -f "${TMP_PATH}/sdX1/etc/VERSION" ] && rm -f "${TMP_PATH}/sdX1/etc/VERSION"
+          [ -f "${TMP_PATH}/sdX1/etc.defaults/VERSION" ] && rm -f "${TMP_PATH}/sdX1/etc.defaults/VERSION"
           sync
-          umount ${I}
+          umount "${I}"
         done
-        rm -rf /tmp/sdX1
+        rm -rf "${TMP_PATH}/sdX1"
       ) | dialog --backtitle "$(backtitle)" --colors --title "$(TEXT "Advanced")" \
         --progressbox "$(TEXT "Removing ...")" 20 70
       MSG="$(TEXT "Remove VERSION file for all disks completed.")"
@@ -1179,12 +1179,12 @@ function advancedMenu() {
           --yesno "$(TEXT "Warning:\nThe current hds is in raid, do you still want to format them?")" 0 0
         [ $? -ne 0 ] && return
         for I in $(ls /dev/md*); do
-          mdadm -S ${I}
+          mdadm -S "${I}"
         done
       fi
       (
         for I in ${RESP}; do
-          mkfs.ext4 -T largefile4 ${I}
+          mkfs.ext4 -T largefile4 "${I}"
         done
       ) | dialog --backtitle "$(backtitle)" --colors --title "$(TEXT "Advanced")" \
         --progressbox "$(TEXT "Formatting ...")" 20 70
@@ -1193,30 +1193,30 @@ function advancedMenu() {
       ;;
     x)
       SHADOW_FILE=""
-      mkdir -p /tmp/sdX1
-      for I in $(ls /dev/sd*1 2>/dev/null | grep -v ${LOADER_DISK}1); do
-        mount ${I} /tmp/sdX1
-        if [ -f "/tmp/sdX1/etc/shadow" ]; then
-          cp "/tmp/sdX1/etc/shadow" "/tmp/shadow_bak"
-          SHADOW_FILE="/tmp/shadow_bak"
+      mkdir -p "${TMP_PATH}/sdX1"
+      for I in $(ls /dev/sd*1 2>/dev/null | grep -v "${LOADER_DISK}1"); do
+        mount ${I} "${TMP_PATH}/sdX1"
+        if [ -f "${TMP_PATH}/sdX1/etc/shadow" ]; then
+          cp "${TMP_PATH}/sdX1/etc/shadow" "${TMP_PATH}/shadow_bak"
+          SHADOW_FILE="${TMP_PATH}/shadow_bak"
         fi
-        umount ${I}
+        umount "${I}"
         [ -n "${SHADOW_FILE}" ] && break
       done
-      rm -rf /tmp/sdX1
+      rm -rf "${TMP_PATH}/sdX1"
       if [ -z "${SHADOW_FILE}" ]; then
         dialog --backtitle "$(backtitle)" --colors --title "$(TEXT "Advanced")" \
           --msgbox "$(TEXT "The installed Syno system not found in the currently inserted disks!")" 0 0
         return
       fi
-      ITEMS="$(cat ${SHADOW_FILE} | awk -F ':' '{if ($2 != "*" && $2 != "!!") {print $1;}}')"
+      ITEMS="$(cat "${SHADOW_FILE}" | awk -F ':' '{if ($2 != "*" && $2 != "!!") {print $1;}}')"
       dialog --backtitle "$(backtitle)" --colors --title "$(TEXT "Advanced")" \
         --no-items --menu "$(TEXT "Choose a user name")" 0 0 0 ${ITEMS} \
         2>${TMP_PATH}/resp
       [ $? -ne 0 ] && return
-      USER=$(<${TMP_PATH}/resp)
+      USER="$(<${TMP_PATH}/resp)"
       [ -z "${USER}" ] && return
-      OLDPASSWD=$(cat ${SHADOW_FILE} | grep "^${USER}:" | awk -F ':' '{print $2}')
+      OLDPASSWD="$(cat "${SHADOW_FILE}" | grep "^${USER}:" | awk -F ':' '{print $2}')"
       while true; do
         dialog --backtitle "$(backtitle)" --colors --title "$(TEXT "Advanced")" \
           --inputbox "$(printf "$(TEXT "Type a new password for user '%s'")" "${USER}")" 0 0 "${CMDLINE[${NAME}]}" \
@@ -1227,16 +1227,16 @@ function advancedMenu() {
         dialog --backtitle "$(backtitle)" --colors --title "$(TEXT "Advanced")" \
           --msgbox "$(TEXT "Invalid password")" 0 0
       done
-      NEWPASSWD=$(python -c "import crypt,getpass;pw=\"${VALUE}\";print(crypt.crypt(pw))")
+      NEWPASSWD="$(python -c "import crypt,getpass;pw=\"${VALUE}\";print(crypt.crypt(pw))")"
       (
-        mkdir -p /tmp/sdX1
+        mkdir -p "${TMP_PATH}/sdX1"
         for I in $(ls /dev/sd*1 2>/dev/null | grep -v ${LOADER_DISK}1); do
-          mount ${I} /tmp/sdX1
-          sed -i "s|${OLDPASSWD}|${NEWPASSWD}|g" "/tmp/sdX1/etc/shadow"
+          mount "${I}" "${TMP_PATH}/sdX1"
+          sed -i "s|${OLDPASSWD}|${NEWPASSWD}|g" "${TMP_PATH}/sdX1/etc/shadow"
           sync
-          umount ${I}
+          umount "${I}"
         done
-        rm -rf /tmp/sdX1
+        rm -rf "${TMP_PATH}/sdX1"
       ) | dialog --backtitle "$(backtitle)" --colors --title "$(TEXT "Advanced")" \
         --progressbox "$(TEXT "Resetting ...")" 20 70
       [ -f "${SHADOW_FILE}" ] && rm -rf "${SHADOW_FILE}"
@@ -1251,7 +1251,7 @@ function advancedMenu() {
       [ $? -ne 0 ] && return
       dialog --backtitle "$(backtitle)" --colors --title "$(TEXT "Advanced")" \
         --infobox "$(TEXT "Saving ...")" 0 0
-      RDXZ_PATH=${TMP_PATH}/rdxz_tmp
+      RDXZ_PATH="${TMP_PATH}/rdxz_tmp"
       mkdir -p "${RDXZ_PATH}"
       (
         cd "${RDXZ_PATH}"
@@ -1275,14 +1275,14 @@ function advancedMenu() {
       fi
       dialog --backtitle "$(backtitle)" --colors --title "$(TEXT "Advanced")" \
         --msgbox "$(TEXT "Currently, only dts format files are supported. Please prepare and click to confirm uploading.\n(saved in /mnt/p3/users/)")" 0 0
-      TMP_UP_PATH=${TMP_PATH}/users
-      rm -rf ${TMP_UP_PATH}
-      mkdir -p ${TMP_UP_PATH}
-      pushd ${TMP_UP_PATH}
+      TMP_UP_PATH="${TMP_PATH}/users"
+      rm -rf "${TMP_UP_PATH}"
+      mkdir -p "${TMP_UP_PATH}"
+      pushd "${TMP_UP_PATH}"
       rz -be
       for F in $(ls -A); do
-        USER_FILE=${TMP_UP_PATH}/${F}
-        dtc -q -I dts -O dtb ${F} >test.dtb
+        USER_FILE="${TMP_UP_PATH}/${F}"
+        dtc -q -I dts -O dtb "${F}" >"test.dtb"
         RET=$?
         break
       done
@@ -1291,8 +1291,8 @@ function advancedMenu() {
         dialog --backtitle "$(backtitle)" --colors --title "$(TEXT "Advanced")" \
           --msgbox "$(TEXT "Not a valid dts file, please try again!")" 0 0
       else
-        mkdir -p ${USER_UP_PATH}
-        cp -f ${USER_FILE} ${USER_UP_PATH}/${MODEL}.dts
+        mkdir -p "${USER_UP_PATH}"
+        cp -f "${USER_FILE}" "${USER_UP_PATH}/${MODEL}.dts"
         dialog --backtitle "$(backtitle)" --colors --title "$(TEXT "Advanced")" \
           --msgbox "$(TEXT "A valid dts file, Automatically import at compile time.")" 0 0
       fi
@@ -1341,10 +1341,10 @@ function advancedMenu() {
         --yesno "$(TEXT "Please upload the backup file.\nCurrently, zip(github) and img.gz(backup) compressed file formats are supported.")" 0 0
       [ $? -ne 0 ] && return
       IFTOOL=""
-      TMP_UP_PATH=${TMP_PATH}/users
-      rm -rf ${TMP_UP_PATH}
-      mkdir -p ${TMP_UP_PATH}
-      pushd ${TMP_UP_PATH}
+      TMP_UP_PATH="${TMP_PATH}/users"
+      rm -rf "${TMP_UP_PATH}"
+      mkdir -p "${TMP_UP_PATH}"
+      pushd "${TMP_UP_PATH}"
       rz -be
       for F in $(ls -A); do
         USER_FILE="${F}"
@@ -1360,12 +1360,12 @@ function advancedMenu() {
         dialog --backtitle "$(backtitle)" --colors --title "$(TEXT "Advanced")" \
           --yesno "$(TEXT "Warning:\nDo not terminate midway, otherwise it may cause damage to the arpl. Do you want to continue?")" 0 0
         [ $? -ne 0 ] && (
-          rm -f ${LOADER_DISK}
+          rm -f "${LOADER_DISK}"
           return
         )
         dialog --backtitle "$(backtitle)" --colors --title "$(TEXT "Advanced")" \
           --infobox "$(TEXT "Writing...")" 0 0
-        umount ${BOOTLOADER_PATH} ${SLPART_PATH} ${CACHE_PATH}
+        umount "${BOOTLOADER_PATH}" "${SLPART_PATH}" "${CACHE_PATH}"
         if [ "${IFTOOL}" = "zip" ]; then
           unzip -p "${TMP_UP_PATH}/${USER_FILE}" | dd of="${LOADER_DISK}" bs=1M conv=fsync
         elif [ "${IFTOOL}" = "gzip" ]; then
@@ -1573,7 +1573,7 @@ function downloadExts() {
   dialog --backtitle "$(backtitle)" --colors --title "${T}" \
     --infobox "$(TEXT "Downloading last version")" 0 0
   rm -f "${TMP_PATH}/${4}.zip"
-  STATUS=$(curl -kL -w "%{http_code}" "${PROXY}${3}/releases/download/${TAG}/${4}.zip" -o "/tmp/${4}.zip")
+  STATUS=$(curl -kL -w "%{http_code}" "${PROXY}${3}/releases/download/${TAG}/${4}.zip" -o "${TMP_PATH}/${4}.zip")
   if [ $? -ne 0 -o ${STATUS} -ne 200 ]; then
     if [ ! "${5}" = "0" ]; then
       dialog --backtitle "$(backtitle)" --colors --title "${T}" \
@@ -1592,7 +1592,7 @@ function updateArpl() {
   T="$(printf "$(TEXT "Update %s")" "${1}")"
   dialog --backtitle "$(backtitle)" --colors --title "${T}" \
     --infobox "$(TEXT "Extracting last version")" 0 0
-  unzip -oq /tmp/update.zip -d /tmp
+  unzip -oq "${TMP_PATH}/update.zip" -d "${TMP_PATH}/"
   if [ $? -ne 0 ]; then
     dialog --backtitle "$(backtitle)" --colors --title "${T}" \
       --msgbox "$(TEXT "Error extracting update file")" 0 0
@@ -1606,9 +1606,9 @@ function updateArpl() {
     return 1
   fi
   # Check conditions
-  if [ -f "/tmp/update-check.sh" ]; then
-    chmod +x /tmp/update-check.sh
-    /tmp/update-check.sh
+  if [ -f "${TMP_PATH}/update-check.sh" ]; then
+    chmod +x "${TMP_PATH}/update-check.sh"
+    ${TMP_PATH}/update-check.sh
     if [ $? -ne 0 ]; then
       dialog --backtitle "$(backtitle)" --colors --title "${T}" \
         --msgbox "$(TEXT "The current version does not support upgrading to the latest update.zip. Please remake the bootloader disk!")" 0 0
@@ -1621,17 +1621,17 @@ function updateArpl() {
   while read F; do
     [ -f "${F}" ] && rm -f "${F}"
     [ -d "${F}" ] && rm -Rf "${F}"
-  done < <(readConfigArray "remove" "/tmp/update-list.yml")
+  done < <(readConfigArray "remove" "${TMP_PATH}/update-list.yml")
   while IFS=': ' read KEY VALUE; do
     if [ "${KEY: -1}" = "/" ]; then
       rm -Rf "${VALUE}"
       mkdir -p "${VALUE}"
-      tar -zxf "/tmp/$(basename "${KEY}").tgz" -C "${VALUE}"
+      tar -zxf "${TMP_PATH}/$(basename "${KEY}").tgz" -C "${VALUE}"
     else
       mkdir -p "$(dirname "${VALUE}")"
-      mv "/tmp/$(basename "${KEY}")" "${VALUE}"
+      mv "${TMP_PATH}/$(basename "${KEY}")" "${VALUE}"
     fi
-  done < <(readConfigMap "replace" "/tmp/update-list.yml")
+  done < <(readConfigMap "replace" "${TMP_PATH}/update-list.yml")
   dialog --backtitle "$(backtitle)" --colors --title "${T}" \
     --msgbox "$(printf "$(TEXT "Arpl updated with success to %s!\nReboot?")" "${TAG}")" 0 0
   arpl-reboot.sh config
@@ -1644,14 +1644,14 @@ function updateExts() {
   dialog --backtitle "$(backtitle)" --colors --title "${T}" \
     --infobox "$(TEXT "Extracting last version")" 0 0
   if [ "${1}" = "addons" ]; then
-    rm -rf /tmp/addons
-    mkdir -p /tmp/addons
-    unzip /tmp/addons.zip -d /tmp/addons >/dev/null 2>&1
+    rm -rf "${TMP_PATH}/addons"
+    mkdir -p "${TMP_PATH}/addons"
+    unzip "${TMP_PATH}/addons.zip" -d "${TMP_PATH}/addons" >/dev/null 2>&1
     dialog --backtitle "$(backtitle)" --colors --title "${T}" \
       --infobox "$(printf "$(TEXT "Installing new %s")" "${1}")" 0 0
     rm -Rf "${ADDONS_PATH}/"*
-    [ -f /tmp/addons/VERSION ] && cp -f /tmp/addons/VERSION ${ADDONS_PATH}/
-    for PKG in $(ls /tmp/addons/*.addon); do
+    [ -f "${TMP_PATH}/addons/VERSION" ] && cp -f "${TMP_PATH}/addons/VERSION" "${ADDONS_PATH}/"
+    for PKG in $(ls ${TMP_PATH}/addons/*.addon); do
       ADDON=$(basename ${PKG} | sed 's|.addon||')
       rm -rf "${ADDONS_PATH}/${ADDON}"
       mkdir -p "${ADDONS_PATH}/${ADDON}"
@@ -1659,7 +1659,7 @@ function updateExts() {
     done
   elif [ "${1}" = "modules" ]; then
     rm "${MODULES_PATH}/"*
-    unzip /tmp/modules.zip -d "${MODULES_PATH}" >/dev/null 2>&1
+    unzip ${TMP_PATH}/modules.zip -d "${MODULES_PATH}" >/dev/null 2>&1
     # Rebuild modules if model/buildnumber is selected
     PLATFORM="$(readModelKey "${MODEL}" "platform")"
     KVER="$(readModelKey "${MODEL}" "productvers.[${PRODUCTVER}].kver")"
@@ -1672,7 +1672,7 @@ function updateExts() {
     fi
   elif [ "${1}" = "LKMs" ]; then
     rm -rf "${LKM_PATH}/"*
-    unzip /tmp/rp-lkms.zip -d "${LKM_PATH}" >/dev/null 2>&1
+    unzip "${TMP_PATH}/rp-lkms.zip" -d "${LKM_PATH}" >/dev/null 2>&1
   fi
   DIRTY=1
   if [ ! "${2}" = "0" ]; then
@@ -1717,7 +1717,7 @@ function updateMenu() {
       [ $? -eq 0 ] && updateExts "LKMs" "1"
       T="$(printf "$(TEXT "Update %s")" "$(TEXT "arpl")")"
       CURVER="${ARPL_VERSION:-0}"
-      downloadExts "arpl" ${CURVER} "https://github.com/wjz304/arpl-i18n" "update" "0"
+      downloadExts "arpl" "${CURVER}" "https://github.com/wjz304/arpl-i18n" "update" "0"
       [ $? -ne 0 ] && continue
       updateArpl "arpl"
       ;;
@@ -1725,7 +1725,7 @@ function updateMenu() {
     r)
       T="$(printf "$(TEXT "Update %s")" "$(TEXT "arpl")")"
       CURVER="${ARPL_VERSION:-0}"
-      downloadExts "arpl" ${CURVER} "https://github.com/wjz304/arpl-i18n" "update" "0"
+      downloadExts "arpl" "${CURVER}" "https://github.com/wjz304/arpl-i18n" "update" "0"
       [ $? -ne 0 ] && continue
       updateArpl "arpl"
       ;;
@@ -1792,15 +1792,15 @@ function updateMenu() {
       dialog --backtitle "$(backtitle)" --colors --title "$(TEXT "Update")" \
         --msgbox "${MSG}" 0 0
       EXTS=("update.zip" "addons.zip" "modules.zip" "rp-lkms.zip")
-      TMP_UP_PATH=/tmp/users
+      TMP_UP_PATH="${TMP_PATH}/users"
       USER_FILE=""
-      rm -rf ${TMP_UP_PATH}
-      mkdir -p ${TMP_UP_PATH}
-      pushd ${TMP_UP_PATH}
+      rm -rf "${TMP_UP_PATH}"
+      mkdir -p "${TMP_UP_PATH}"
+      pushd "${TMP_UP_PATH}"
       rz -be
       for F in $(ls -A); do
         for I in ${EXTS[@]}; do
-          [[ "${I}" == "${F}" ]] && USER_FILE=${F}
+          [[ "${I}" == "${F}" ]] && USER_FILE="${F}"
         done
         break
       done
@@ -1809,8 +1809,8 @@ function updateMenu() {
         dialog --backtitle "$(backtitle)" --colors --title "$(TEXT "Update")" \
           --msgbox "$(TEXT "Not a valid file, please try again!")" 0 0
       else
-        rm /tmp/${USER_FILE}
-        mv ${TMP_UP_PATH}/${USER_FILE} /tmp/${USER_FILE}
+        rm "${TMP_PATH}/${USER_FILE}"
+        mv "${TMP_UP_PATH}/${USER_FILE}" "${TMP_PATH}/${USER_FILE}"
         if [ "${USER_FILE}" = "update.zip" ]; then
           updateArpl "arpl"
         elif [ "${USER_FILE}" = "addons.zip" ]; then