diff --git a/files/initrd/opt/arc/arc-functions.sh b/files/initrd/opt/arc/arc-functions.sh
index 812b8ee1..c8600da5 100755
--- a/files/initrd/opt/arc/arc-functions.sh
+++ b/files/initrd/opt/arc/arc-functions.sh
@@ -1039,7 +1039,7 @@ function updateMenu() {
 # Show Storagemenu to user
 function storageMenu() {
   MODEL="$(readConfigKey "model" "${USER_CONFIG_FILE}")"
-  DT="$(readModelKey "${MODEL}" "dt")"
+  DT="$(readConfigKey "platforms.${A}.dt" "${P_FILE}")"
   # Get Portmap for Loader
   getmap
   if [[ "${DT}" = "false" && $(lspci -d ::106 | wc -l) -gt 0 ]]; then
@@ -1076,7 +1076,7 @@ function sysinfo() {
     MODEL="$(readConfigKey "model" "${USER_CONFIG_FILE}")"
     PRODUCTVER="$(readConfigKey "productver" "${USER_CONFIG_FILE}")"
     PLATFORM="$(readConfigKey "platform" "${USER_CONFIG_FILE}")"
-    DT="$(readModelKey "${MODEL}" "dt")"
+    DT="$(readConfigKey "platforms.${A}.dt" "${P_FILE}")"
     KVER="$(readConfigKey "platforms.${PLATFORM}.productvers.[${PRODUCTVER}].kver" "${P_FILE}")"
     ARCPATCH="$(readConfigKey "arc.patch" "${USER_CONFIG_FILE}")"
     ADDONSINFO="$(readConfigEntriesArray "addons" "${USER_CONFIG_FILE}")"
@@ -1305,7 +1305,7 @@ function fullsysinfo() {
     MODEL="$(readConfigKey "model" "${USER_CONFIG_FILE}")"
     PRODUCTVER="$(readConfigKey "productver" "${USER_CONFIG_FILE}")"
     PLATFORM="$(readConfigKey "platform" "${USER_CONFIG_FILE}")"
-    DT="$(readModelKey "${MODEL}" "dt")"
+    DT="$(readConfigKey "platforms.${A}.dt" "${P_FILE}")"
     KVER="$(readConfigKey "platforms.${PLATFORM}.productvers.[${PRODUCTVER}].kver" "${P_FILE}")"
     ARCPATCH="$(readConfigKey "arc.patch" "${USER_CONFIG_FILE}")"
     ADDONSINFO="$(readConfigEntriesArray "addons" "${USER_CONFIG_FILE}")"
diff --git a/files/initrd/opt/arc/arc.sh b/files/initrd/opt/arc/arc.sh
index f2eee8b0..24d8ffdc 100755
--- a/files/initrd/opt/arc/arc.sh
+++ b/files/initrd/opt/arc/arc.sh
@@ -38,6 +38,7 @@ if [ "${OFFLINE}" = "false" ]; then
     writeConfigKey "arc.offline" "false" "${USER_CONFIG_FILE}"
   else
     writeConfigKey "arc.offline" "true" "${USER_CONFIG_FILE}"
+    cp -f "${PART3_PATH}/configs/offline.json" "${ARC_PATH}/include/offline.json"
     dialog --backtitle "$(backtitle)" --title "Offline Mode" \
         --msgbox "Can't connect to Github.\nSwitch to Offline Mode!" 0 0
   fi
@@ -50,12 +51,12 @@ KEYMAP="$(readConfigKey "keymap" "${USER_CONFIG_FILE}")"
 # Get DSM Data from Config
 MODEL="$(readConfigKey "model" "${USER_CONFIG_FILE}")"
 MODELID="$(readConfigKey "modelid" "${USER_CONFIG_FILE}")"
-PRODUCTVER="$(readConfigKey "productver" "${USER_CONFIG_FILE}")"
 PLATFORM="$(readConfigKey "platform" "${USER_CONFIG_FILE}")"
 LKM="$(readConfigKey "lkm" "${USER_CONFIG_FILE}")"
 if [ -n "${MODEL}" ]; then
   PLATFORM="$(readConfigKey "platform" "${USER_CONFIG_FILE}")"
-  DT="$(readModelKey "${MODEL}" "dt")"
+  DT="$(readConfigKey "platforms.${PLATFORM}.dt" "${P_FILE}")"
+  PRODUCTVER="$(readConfigKey "productver" "${USER_CONFIG_FILE}")"
 fi
 
 # Get Arc Data from Config
@@ -109,7 +110,7 @@ function backtitle() {
     IPCON="(IP)"
   fi
   BACKTITLE="${ARC_TITLE} | "
-  BACKTITLE+="${MODEL}(${PLATFORM}) | "
+  BACKTITLE+="${MODEL} | "
   BACKTITLE+="${PRODUCTVER} | "
   BACKTITLE+="${IPCON} | "
   BACKTITLE+="Patch: ${ARCPATCH} | "
@@ -122,95 +123,110 @@ function backtitle() {
 ###############################################################################
 # Model Selection
 function arcModel() {
+  dialog --backtitle "$(backtitle)" --title "Model" --title "Model" \
+    --infobox "Reading Models..." 0 0
   # Loop menu
   RESTRICT=1
-  FLGBETA=0
-  dialog --backtitle "$(backtitle)" --title "Model" --aspect 18 \
-    --infobox "Reading Models..." 3 20
-    PS="$(readConfigEntriesArray "platforms" "${P_FILE}" | sort)"
+  PS="$(readConfigEntriesArray "platforms" "${P_FILE}" | sort)"
+  if [ "${OFFLINE}" = "true" ]; then
+    MJ="$(python include/functions.py getmodelsoffline -p "${PS[*]}")"
+  else
     MJ="$(python include/functions.py getmodels -p "${PS[*]}")"
-    if [[ -z "${MJ}" || "${MJ}" = "[]" ]]; then
-      dialog --backtitle "$(backtitle)" --title "Model" --title "Model" \
-        --msgbox "Failed to get models, please try again!" 0 0
-      return 1
-    fi
-    echo -n "" >"${TMP_PATH}/modellist"
-    echo "${MJ}" | jq -c '.[]' | while read -r item; do
-      name=$(echo "$item" | jq -r '.name')
-      arch=$(echo "$item" | jq -r '.arch')
-      echo "${name} ${arch}" >>"${TMP_PATH}/modellist"
-    done
-    while true; do
-      echo -n "" >"${TMP_PATH}/menu"
-      while read -r M A; do
-        DT="$(readConfigKey "platforms.${A}.dt" "${P_FILE}")"
-        FLAGS="$(readConfigArray "platforms.${A}.flags" "${P_FILE}")"
-        ARCCONF="$(readConfigKey "${M}.serial" "${S_FILE}" 2>/dev/null)"
-        ARC=""
-        [ -n "${ARCCONF}" ] && ARC="x"
-        CPU="Intel"
-        [[ "${A}" = "r1000" || "${A}" = "v1000" || "${A}" = "epyc7002" ]] && CPU="AMD"
-        IGPUS=""
-        [[ "${A}" = "apollolake" || "${A}" = "geminilake" || "${A}" = "epyc7002" ]] && IGPUS="x"
-        HBAS="x"
-        [ "${DT}" = "true" ] && HBAS=""
-        [ "${M}" = "SA6400" ] && HBAS="x"
-        USBS=""
-        [ "${DT}" = "false" ] && USBS="x"
-        M_2_CACHE="x"
-        [[ "${M}" = "DS220+" ||  "${M}" = "DS224+" || "${M}" = "DS918+" || "${M}" = "DS1019+" || "${M}" = "DS1621xs+" || "${M}" = "RS1619xs+" ]] && M_2_CACHE=""
-        M_2_STORAGE="x"
-        [ "${DT}" = "false" ] && M_2_STORAGE=""
-        [[ "${M}" = "DS220+" || "${M}" = "DS224+" ]] && M_2_STORAGE=""
-        # Check id model is compatible with CPU
-        COMPATIBLE=1
-        if [ ${RESTRICT} -eq 1 ]; then
-          for F in "${FLAGS}"; do if ! grep -q "^flags.*${F}.*" /proc/cpuinfo; then
+  fi
+  if [[ -z "${MJ}" || "${MJ}" = "[]" ]]; then
+    dialog --backtitle "$(backtitle)" --title "Model" --title "Model" \
+      --msgbox "Failed to get models, please try again!" 0 0
+    return 1
+  fi
+  echo -n "" >"${TMP_PATH}/modellist"
+  echo "${MJ}" | jq -c '.[]' | while read -r item; do
+    name=$(echo "$item" | jq -r '.name')
+    arch=$(echo "$item" | jq -r '.arch')
+    echo "${name} ${arch}" >>"${TMP_PATH}/modellist"
+  done
+  while true; do
+    echo -n "" >"${TMP_PATH}/menu"
+    while read -r M A; do
+      COMPATIBLE=1
+      DT="$(readConfigKey "platforms.${A}.dt" "${P_FILE}")"
+      FLAGS="$(readConfigArray "platforms.${A}.flags" "${P_FILE}")"
+      ARCCONF="$(readConfigKey "${M}.serial" "${S_FILE}" 2>/dev/null)"
+      ARC=""
+      [ -n "${ARCCONF}" ] && ARC="x"
+      CPU="Intel"
+      [[ "${A}" = "r1000" || "${A}" = "v1000" || "${A}" = "epyc7002" ]] && CPU="AMD"
+      IGPUS=""
+      [[ "${A}" = "apollolake" || "${A}" = "geminilake" || "${A}" = "epyc7002" ]] && IGPUS="x"
+      HBAS="x"
+      [ "${DT}" = "true" ] && HBAS=""
+      [ "${M}" = "SA6400" ] && HBAS="x"
+      USBS=""
+      [ "${DT}" = "false" ] && USBS="x"
+      M_2_CACHE="x"
+      [[ "${M}" = "DS918+" || "${M}" = "DS1019+" || "${M}" = "DS1621xs+" || "${M}" = "RS1619xs+" ]] && M_2_CACHE="+"
+      [[ "${M}" = "DS220+" ||  "${M}" = "DS224+" ]] && M_2_CACHE=""
+      M_2_STORAGE="x"
+      [ "${DT}" = "false" ] && M_2_STORAGE="+"
+      [[ "${M}" = "DS220+" || "${M}" = "DS224+" ]] && M_2_STORAGE=""
+      [ "${DT}" = "true" ] && DTS="x" || DTS=""
+      # Check id model is compatible with CPU
+      if [ ${RESTRICT} -eq 1 ]; then
+        for F in "${FLAGS}"; do
+          if ! grep -q "^flags.*${F}.*" /proc/cpuinfo; then
             COMPATIBLE=0
             break
-          fi; done
-          if [ "${DT}" = "true" ] && [[ "${EXTERNALCONTROLLER}" = "true" && ! "${M}" = "SA6400" ]]; then
-            COMPATIBLE=0
-          fi
-          if [[ ${SATACONTROLLER} -eq 0 && "${EXTERNALCONTROLLER}" = "false" && ! "${M}" = "SA6400" ]]; then
-            COMPATIBLE=0
           fi
+        done
+        if [ "${DT}" = "true" ] && [ "${EXTERNALCONTROLLER}" = "true" ] && [ ! "${A}" = "epyc7002" ]; then
+          COMPATIBLE=0
         fi
-        [ "${DT}" = "true" ] && DTS="x" || DTS=""
-        [ ${COMPATIBLE} -eq 1 ] && echo "${ID} \"$(printf "\Zb%-8s\Zn \Zb%-15s\Zn \Zb%-5s\Zn \Zb%-5s\Zn \Zb%-5s\Zn \Zb%-5s\Zn \Zb%-10s\Zn \Zb%-12s\Zn \Zb%-10s\Zn" "${CPU}" "${PLATFORM}" "${DTS}" "${ARC}" "${IGPUS}" "${HBAS}" "${M_2_CACHE}" "${M_2_STORAGE}" "${USBS}")\" ">>"${TMP_PATH}/menu"
-      done  <<<$(cat "${TMP_PATH}/modellist")
-      dialog --backtitle "$(backtitle)" --colors \
-        --cancel-label "Show all" --help-button --help-label "Exit" \
-        --extra-button --extra-label "Info" \
-        --menu "Choose Model for Loader (This Chart indicates the original Values, without Addons.)\n $(printf "\Zb%-10s\Zn\Zb%-8s\Zn \Zb%-15s\Zn \Zb%-5s\Zn \Zb%-5s\Zn \Zb%-5s\Zn \Zb%-5s\Zn \Zb%-10s\Zn \Zb%-12s\Zn \Zb%-10s\Zn" "Model" "CPU" "Platform" "DT" "Arc" "iGPU" "HBA" "M.2 Cache" "M.2 Volume" "USB Mount")" 0 115 0 \
-        --file "${TMP_PATH}/menu" 2>"${TMP_PATH}/resp"
-      RET=$?
-      case ${RET} in
-        0) # ok-button
-          resp=$(cat ${TMP_PATH}/resp)
-          [ -z "${resp}" ] && return 1
-          break
-          ;;
-        1) # cancel-button -> Show all Models
-          RESTRICT=0
-          ;;
-        2) # help-button -> Exit
-          return 0
-          break
-          ;;
-        3) # extra-button -> Platform Info
-          dialog --textbox "./informations/${A}.yml" 15 80
-          ;;
-        255) # ESC -> Exit
-          return 1
-          break
-          ;;
-      esac
-    done
-  # read model config for dt and aes
+        if [ ${SATACONTROLLER} -eq 0 ] && [ "${EXTERNALCONTROLLER}" = "false" ] && [ ! "${A}" = "epyc7002" ]; then
+          COMPATIBLE=0
+        fi
+        if [ -z "$(grep -w "${M}" "${S_FILE}")" ]; then
+          COMPATIBLE=0
+        fi
+      else
+        [ -z "$(grep -w "${M}" "${S_FILE}")" ] && BETA="x" || BETA=""
+      fi
+      [ ${COMPATIBLE} -eq 1 ] && echo -e "${M} \"\t$(printf "\Zb%-8s\Zn \Zb%-15s\Zn \Zb%-5s\Zn \Zb%-5s\Zn \Zb%-5s\Zn \Zb%-5s\Zn \Zb%-10s\Zn \Zb%-12s\Zn \Zb%-10s\Zn \Zb%-10s\Zn" "${CPU}" "${A}" "${DTS}" "${ARC}" "${IGPUS}" "${HBAS}" "${M_2_CACHE}" "${M_2_STORAGE}" "${USBS}" "${BETA}")\" ">>"${TMP_PATH}/menu"
+    done  <<<$(cat "${TMP_PATH}/modellist")
+    dialog --backtitle "$(backtitle)" --colors \
+      --cancel-label "Show all" --help-button --help-label "Exit" \
+      --extra-button --extra-label "Info" \
+      --menu "Choose Model for Loader (x = supported / + = need Addons)\n$(printf "\Zb%-16s\Zn \Zb%-8s\Zn \Zb%-15s\Zn \Zb%-5s\Zn \Zb%-5s\Zn \Zb%-5s\Zn \Zb%-5s\Zn \Zb%-10s\Zn \Zb%-12s\Zn \Zb%-10s\Zn \Zb%-10s\Zn" "Model" "CPU" "Platform" "DT" "Arc" "iGPU" "HBA" "M.2 Cache" "M.2 Volume" "USB Mount" "Beta")" 0 120 0 \
+      --file "${TMP_PATH}/menu" 2>"${TMP_PATH}/resp"
+    RET=$?
+    case ${RET} in
+      0) # ok-button
+        resp=$(cat ${TMP_PATH}/resp)
+        [ -z "${resp}" ] && return 1
+        break
+        ;;
+      1) # cancel-button -> Show all Models
+        RESTRICT=0
+        ;;
+      2) # help-button -> Exit
+        return 0
+        break
+        ;;
+      3) # extra-button -> Platform Info
+        resp=$(cat ${TMP_PATH}/resp)
+        PLATFORM="$(grep -w "${resp}" "${TMP_PATH}/modellist" | awk '{print $2}' | head -n 1)"
+        dialog --backtitle "$(backtitle)" --colors \
+          --title "Platform Info" --textbox "./informations/${PLATFORM}.yml" 15 80
+        ;;
+      255) # ESC -> Exit
+        return 1
+        break
+        ;;
+    esac
+  done
+  # Reset Model Config if changed
   if [ "${MODEL}" != "${resp}" ]; then
-    MODEL="${resp}"
     PRODUCTVER=""
+    PLATFORM="$(grep -w "${resp}" "${TMP_PATH}/modellist" | awk '{print $2}' | head -n 1)"
+    MODEL="${resp}"
     writeConfigKey "model" "${MODEL}" "${USER_CONFIG_FILE}"
     writeConfigKey "productver" "" "${USER_CONFIG_FILE}"
     writeConfigKey "arc.confdone" "false" "${USER_CONFIG_FILE}"
@@ -221,6 +237,7 @@ function arcModel() {
     writeConfigKey "arc.sn" "" "${USER_CONFIG_FILE}"
     writeConfigKey "arc.kernel" "official" "${USER_CONFIG_FILE}"
     writeConfigKey "cmdline" "{}" "${USER_CONFIG_FILE}"
+    writeConfigKey "platform" "${PLATFORM}" "${USER_CONFIG_FILE}"
     writeConfigKey "synoinfo" "{}" "${USER_CONFIG_FILE}"
     writeConfigKey "modules" "{}" "${USER_CONFIG_FILE}"
     writeConfigKey "addons" "{}" "${USER_CONFIG_FILE}"
@@ -248,7 +265,9 @@ function arcVersion() {
     # Select Build for DSM
     ITEMS="$(readConfigEntriesArray "platforms.${PLATFORM}.productvers" "${P_FILE}" | sort -r)"
     dialog --clear --no-items --nocancel --backtitle "$(backtitle)" \
-      --menu "Choose a Version" 7 30 0 ${ITEMS} 2>"${TMP_PATH}/resp"
+      --no-items --menu "DSM Version" 7 30 0 ${ITEMS} \
+    2>"${TMP_PATH}/resp"
+    [ $? -ne 0 ] && return 0
     resp=$(cat ${TMP_PATH}/resp)
     [ -z "${resp}" ] && return 1
     if [ "${PRODUCTVER}" != "${resp}" ]; then
@@ -274,13 +293,21 @@ function arcVersion() {
     KVERP="${KVER}"
   fi
   dialog --backtitle "$(backtitle)" --title "Arc Config" \
-    --infobox "Reconfiguring Synoinfo and Modules" 3 40
-  # Reset synoinfo
+    --infobox "Reconfiguring Addons, Modules and Synoinfo" 3 50
+  # Reset Synoinfo
   writeConfigKey "synoinfo" "{}" "${USER_CONFIG_FILE}"
   while IFS=': ' read -r KEY VALUE; do
     writeConfigKey "synoinfo.\"${KEY}\"" "${VALUE}" "${USER_CONFIG_FILE}"
-  done <<<$(readModelMap "${MODEL}" "synoinfo")
-  # Reset modules
+  done <<<$(readConfigMap "platforms.${PLATFORM}.synoinfo" "${WORK_PATH}/platforms.yml")
+  # Reset Addons
+  writeConfigKey "addons" "{}" "${USER_CONFIG_FILE}"
+  while IFS=': ' read -r ADDON PARAM; do
+    [ -z "${ADDON}" ] && continue
+    if ! checkAddonExist "${ADDON}" "${PLATFORM}" "${KVERP}"; then
+      deleteConfigKey "addons.\"${ADDON}\"" "${USER_CONFIG_FILE}"
+    fi
+  done <<<$(readConfigMap "addons" "${USER_CONFIG_FILE}")
+  # Reset Modules
   writeConfigKey "modules" "{}" "${USER_CONFIG_FILE}"
   while read -r ID DESC; do
     writeConfigKey "modules.\"${ID}\"" "" "${USER_CONFIG_FILE}"
@@ -304,13 +331,13 @@ function arcVersion() {
 function arcPatch() {
   # Read Model Values
   MODEL="$(readConfigKey "model" "${USER_CONFIG_FILE}")"
-  DT="$(readModelKey "${MODEL}" "dt")"
+  DT="$(readConfigKey "platforms.${A}.dt" "${P_FILE}")"
   ARCCONF="$(readConfigKey "${MODEL}.serial" "${S_FILE}" 2>/dev/null)"
   if [ "${CUSTOM}" = "true" ]; then
     ARCPATCHPRE="$(readConfigKey "arc.patch" "${USER_CONFIG_FILE}")"
     [ -n "${ARCCONF}" ] && ARCPATCH="true" || ARCPATCH="false"
     if [[ "${ARCPATCH}" = "true" && "${ARCPATCHPRE}" = "true" ]]; then
-      SN="$(readModelKey "${MODEL}" "arc.serial")"
+      SN="$(readConfigKey "${MODEL}.serial" "${S_FILE}" 2>/dev/null)"
       writeConfigKey "arc.sn" "${SN}" "${USER_CONFIG_FILE}"
       writeConfigKey "arc.patch" "true" "${USER_CONFIG_FILE}"
     else
@@ -481,7 +508,7 @@ function premake() {
   MODEL="$(readConfigKey "model" "${USER_CONFIG_FILE}")"
   PLATFORM="$(readConfigKey "platform" "${USER_CONFIG_FILE}")"
   PRODUCTVER="$(readConfigKey "productver" "${USER_CONFIG_FILE}")"
-  DT="$(readModelKey "${MODEL}" "dt")"
+  DT="$(readConfigKey "platforms.${A}.dt" "${P_FILE}")"
   # Read Config for Arc Settings
   EMMCBOOT="$(readConfigKey "arc.emmcboot" "${USER_CONFIG_FILE}")"
   # Memory: Set mem_max_mb to the amount of installed memory to bypass Limitation
@@ -510,7 +537,7 @@ function arcSummary() {
   MODEL="$(readConfigKey "model" "${USER_CONFIG_FILE}")"
   PRODUCTVER="$(readConfigKey "productver" "${USER_CONFIG_FILE}")"
   PLATFORM="$(readConfigKey "platform" "${USER_CONFIG_FILE}")"
-  DT="$(readModelKey "${MODEL}" "dt")"
+  DT="$(readConfigKey "platforms.${A}.dt" "${P_FILE}")"
   KVER="$(readConfigKey "platforms.${PLATFORM}.productvers.[${PRODUCTVER}].kver" "${P_FILE}")"
   ARCPATCH="$(readConfigKey "arc.patch" "${USER_CONFIG_FILE}")"
   ADDONSINFO="$(readConfigEntriesArray "addons" "${USER_CONFIG_FILE}")"
@@ -584,28 +611,19 @@ function arcSummary() {
 ###############################################################################
 # Building Loader Online
 function make() {
+  dialog --backtitle "$(backtitle)" --title "Model" --aspect 18 \
+    --infobox "Reading Models..." 3 20
   # Read Model Config
   MODEL="$(readConfigKey "model" "${USER_CONFIG_FILE}")"
   PLATFORM="$(readConfigKey "platform" "${USER_CONFIG_FILE}")"
   PRODUCTVER="$(readConfigKey "productver" "${USER_CONFIG_FILE}")"
-  DT="$(readModelKey "${MODEL}" "dt")"
+  DT="$(readConfigKey "platforms.${A}.dt" "${P_FILE}")"
   OFFLINE="$(readConfigKey "arc.offline" "${USER_CONFIG_FILE}")"
   # Cleanup
   if [ -d "${UNTAR_PAT_PATH}" ]; then
     rm -rf "${UNTAR_PAT_PATH}"
   fi
   mkdir -p "${UNTAR_PAT_PATH}"
-  if [ "${CUSTOM}" = "false" ]; then
-    # Check if all addon exists
-    while IFS=': ' read -r ADDON PARAM; do
-      [ -z "${ADDON}" ] && continue
-      if ! checkAddonExist "${ADDON}" "${PLATFORM}"; then
-        dialog --backtitle "$(backtitle)" --title "Error" --aspect 18 \
-          --msgbox "Addon ${ADDON} not found!" 0 0
-        return 1
-      fi
-    done <<<$(readConfigMap "addons" "${USER_CONFIG_FILE}")
-  fi
   # Check for offline Mode
   if [ "${OFFLINE}" = "true" ]; then
     offlinemake
diff --git a/files/initrd/opt/arc/boot.sh b/files/initrd/opt/arc/boot.sh
index cc288290..f59bdc84 100755
--- a/files/initrd/opt/arc/boot.sh
+++ b/files/initrd/opt/arc/boot.sh
@@ -41,7 +41,6 @@ fi
 # Read model/system variables
 PLATFORM="$(readConfigKey "platform" "${USER_CONFIG_FILE}")"
 MODEL="$(readConfigKey "model" "${USER_CONFIG_FILE}")"
-MODELID="$(readConfigKey "modelid" "${USER_CONFIG_FILE}")"
 PRODUCTVER="$(readConfigKey "productver" "${USER_CONFIG_FILE}")"
 LKM="$(readConfigKey "lkm" "${USER_CONFIG_FILE}")"
 MACSYS="$(readConfigKey "arc.macsys" "${USER_CONFIG_FILE}")"
@@ -62,11 +61,6 @@ echo -e "CPU: \033[1;37m${CPU}\033[0m"
 echo -e "MEM: \033[1;37m${RAM}\033[0m"
 echo
 
-if [[ ! -f "${MODEL_CONFIG_PATH}/${MODEL}.yml" || -z "$(readModelKey "${MODEL}" "productvers.[${PRODUCTVER}]")" ]]; then
-  echo -e "\033[1;33m*** The current version of Arc does not support booting ${MODEL}-${PRODUCTVER}, please rebuild. ***\033[0m"
-  exit 1
-fi
-
 if ! readConfigMap "addons" "${USER_CONFIG_FILE}" | grep -q nvmesystem; then
   HASATA=0
   for D in $(lsblk -dpno NAME); do
@@ -86,14 +80,13 @@ SN="$(readConfigKey "arc.sn" "${USER_CONFIG_FILE}")"
 KERNELPANIC="$(readConfigKey "arc.kernelpanic" "${USER_CONFIG_FILE}")"
 DIRECTBOOT="$(readConfigKey "arc.directboot" "${USER_CONFIG_FILE}")"
 EMMCBOOT="$(readConfigKey "arc.emmcboot" "${USER_CONFIG_FILE}")"
-DT="$(readModelKey "${MODEL}" "dt")"
+DT="$(readConfigKey "platforms.${A}.dt" "${P_FILE}")"
 KVER="$(readConfigKey "platforms.${PLATFORM}.productvers.[${PRODUCTVER}].kver" "${P_FILE}")"
 
 declare -A CMDLINE
 
 # Build Cmdline
-MODELID="$(readModelKey ${MODEL} "id")"
-CMDLINE['syno_hw_version']="${MODELID:-${MODEL}}"
+CMDLINE['syno_hw_version']="${MODEL}"
 [ -z "${VID}" ] && VID="0x46f4" # Sanity check
 [ -z "${PID}" ] && PID="0x0001" # Sanity check
 CMDLINE['vid']="${VID}"
diff --git a/files/initrd/opt/arc/include/configFile.sh b/files/initrd/opt/arc/include/configFile.sh
index 8a6713d1..866ba3ed 100755
--- a/files/initrd/opt/arc/include/configFile.sh
+++ b/files/initrd/opt/arc/include/configFile.sh
@@ -4,7 +4,7 @@
 # 1 - Path of Key
 # 2 - Path of yaml config file
 function deleteConfigKey() {
-  yq eval 'del(.'${1}')' --inplace "${2}"
+  yq eval 'del(.'${1}')' --inplace "${2}" 2>/dev/null
 }
 
 ###############################################################################
@@ -13,7 +13,7 @@ function deleteConfigKey() {
 # 2 - Value
 # 3 - Path of yaml config file
 function writeConfigKey() {
-  [ "${2}" = "{}" ] && yq eval '.'${1}' = {}' --inplace "${3}" || yq eval '.'${1}' = "'"${2}"'"' --inplace "${3}"
+  [ "${2}" = "{}" ] && yq eval '.'${1}' = {}' --inplace "${3}" 2>/dev/null || yq eval '.'${1}' = "'"${2}"'"' --inplace "${3}" 2>/dev/null
 }
 
 ###############################################################################
@@ -22,7 +22,7 @@ function writeConfigKey() {
 # 2 - Path of yaml config file
 # Return Value
 function readConfigKey() {
-  RESULT=$(yq eval '.'${1}' | explode(.)' "${2}")
+  RESULT=$(yq eval '.'${1}' | explode(.)' "${2}" 2>/dev/null)
   [ "${RESULT}" == "null" ] && echo "" || echo ${RESULT}
 }
 
@@ -41,7 +41,7 @@ function initConfigKey() {
 # 2 - Path of yaml config file
 # Returns map of values
 function readConfigMap() {
-  yq eval '.'${1}' | explode(.) | to_entries | map([.key, .value] | join(": ")) | .[]' "${2}"
+  yq eval '.'${1}' | explode(.) | to_entries | map([.key, .value] | join(": ")) | .[]' "${2}" 2>/dev/null
 }
 
 ###############################################################################
@@ -50,7 +50,7 @@ function readConfigMap() {
 # 2 - Path of yaml config file
 # Returns array/map of values
 function readConfigArray() {
-  yq eval '.'${1}'[]' "${2}"
+  yq eval '.'${1}'[]' "${2}" 2>/dev/null
 }
 
 ###############################################################################
@@ -59,5 +59,13 @@ function readConfigArray() {
 # 2 - Path of yaml config file
 # Returns array of values
 function readConfigEntriesArray() {
-  yq eval '.'${1}' | explode(.) | to_entries | map([.key])[] | .[]' "${2}"
+  yq eval '.'${1}' | explode(.) | to_entries | map([.key])[] | .[]' "${2}" 2>/dev/null
 }
+
+###############################################################################
+# Check yaml config file
+# 1 - Path of yaml config file
+# Returns error information
+function checkConfigFile() {
+  yq eval "${1}" 2>&1
+}
\ No newline at end of file
diff --git a/files/initrd/opt/arc/include/functions.py b/files/initrd/opt/arc/include/functions.py
index 45a22916..8ee991ff 100755
--- a/files/initrd/opt/arc/include/functions.py
+++ b/files/initrd/opt/arc/include/functions.py
@@ -14,7 +14,7 @@ WORK_PATH = os.path.abspath(os.path.dirname(__file__))
 @click.group()
 def cli():
     """
-    The CLI is a commands to RR.
+    The CLI is a commands to Arc.
     """
     pass
 
@@ -54,7 +54,7 @@ def makeqr(data, file, location, output):
         qr = qrcode.QRCode(version=1, box_size=10, error_correction=qrcode.constants.ERROR_CORRECT_H, border=4,)
         qr.add_data(data)
         qr.make(fit=True)
-        img = qr.make_image(fill_color="purple", back_color="white")
+        img = qr.make_image(fill_color="grey", back_color="black")
         img = img.convert("RGBA")
         pixels = img.load()
         for i in range(img.size[0]):
@@ -127,6 +127,39 @@ def getmodels(platforms=None):
     models = sorted(models, key=lambda k: (k["arch"], k["name"]))
     print(json.dumps(models, indent=4))
 
+@cli.command()
+@click.option("-p", "--platforms", type=str, help="The platforms of Syno.")
+def getmodelsoffline(platforms=None):
+    """
+    Get Syno Models.
+    """
+    import re, json
+    import requests
+    import fcntl, struct
+
+    if platforms is not None and platforms != "":
+        PS = platforms.lower().replace(",", " ").split()
+    else:
+        PS = []
+
+    models = []
+    with open(os.path.join(WORK_PATH, "offline.json")) as user_file:
+        data = json.load(user_file)
+
+    for I in data["channel"]["item"]:
+        if not I["title"].startswith("DSM"):
+            continue
+        for J in I["model"]:
+            arch = J["mUnique"].split("_")[1]
+            name = J["mLink"].split("/")[-1].split("_")[1].replace("%2B", "+")
+            if len(PS) > 0 and arch.lower() not in PS:
+                continue
+            if any(name == B["name"] for B in models):
+                continue
+            models.append({"name": name, "arch": arch})
+
+    models = sorted(models, key=lambda k: (k["arch"], k["name"]))
+    print(json.dumps(models, indent=4))
 
 if __name__ == "__main__":
     cli()
\ No newline at end of file
diff --git a/files/initrd/opt/arc/include/storage.sh b/files/initrd/opt/arc/include/storage.sh
index 2c9f1d27..fdebc034 100755
--- a/files/initrd/opt/arc/include/storage.sh
+++ b/files/initrd/opt/arc/include/storage.sh
@@ -120,18 +120,15 @@ function getmap() {
   writeConfigKey "device.harddrives" "${HARDDRIVES}" "${USER_CONFIG_FILE}"
   # Check for Sata Boot
   LASTDRIVE=0
-  while read -r LINE; do
-    if [[ "${BUS}" != "usb" && ${LINE} -eq 0 ]]; then
-      MAXDISKS="$(readModelKey "${MODEL}" "disks")"
-      if [ ${MAXDISKS} -lt ${DRIVES} ]; then
-        MAXDISKS=${DRIVES}
-      fi
-      echo -n "${LINE}>${MAXDISKS}:">>"${TMP_PATH}/remap"
-    elif [ ! ${LINE} = ${LASTDRIVE} ]; then
-      echo -n "${LINE}>${LASTDRIVE}:">>"${TMP_PATH}/remap"
+  while read -r D; do
+    if [[ "${BUS}" != "usb" && ${D} -eq 0 ]]; then
+      MAXDISKS=${DRIVES}
+      echo -n "${D}>${MAXDISKS}:">>"${TMP_PATH}/remap"
+    elif [ ! ${D} = ${LASTDRIVE} ]; then
+      echo -n "${D}>${LASTDRIVE}:">>"${TMP_PATH}/remap"
       LASTDRIVE=$((${LASTDRIVE} + 1))
-    elif [ ${LINE} = ${LASTDRIVE} ]; then
-      LASTDRIVE=$((${LINE} + 1))
+    elif [ ${D} = ${LASTDRIVE} ]; then
+      LASTDRIVE=$((${D} + 1))
     fi
   done <<<$(cat "${TMP_PATH}/ports")
 }
diff --git a/img-gen.sh b/img-gen.sh
index 7c6fe204..b86931da 100755
--- a/img-gen.sh
+++ b/img-gen.sh
@@ -16,6 +16,7 @@ getModules "files/p3/modules"
 getConfigs "files/p3/configs"
 getPatches "files/p3/patches"
 getTheme "files/p1/boot/grub"
+getOffline "files/p3/configs"
 
 IMAGE_FILE="arc.img"
 gzip -dc "files/initrd/opt/arc/grub.img.gz" >"${IMAGE_FILE}"
diff --git a/scripts/func.sh b/scripts/func.sh
index 5176cb7b..1a80d5ee 100755
--- a/scripts/func.sh
+++ b/scripts/func.sh
@@ -210,12 +210,12 @@ function getBuildroot() {
     TAG=$(curl -s "https://api.github.com/repos/AuxXxilium/arc-buildroot/releases" | jq -r ".[0].tag_name")
   fi
   [ ! -d "${DEST_PATH}" ] && mkdir -p "${DEST_PATH}"
-  rm -rf "${DEST_PATH}/bzImage-arc"
+  rm -f "${DEST_PATH}/bzImage-arc"
   STATUS=$(curl -w "%{http_code}" -L "https://github.com/AuxXxilium/arc-buildroot/releases/download/${TAG}/bzImage" -o "${DEST_PATH}/bzImage-arc")
   echo "TAG=${TAG}; Status=${STATUS}"
   [ ${STATUS} -ne 200 ] && exit 1
 
-  rm -rf "${DEST_PATH}/initrd-arc"
+  rm -f "${DEST_PATH}/initrd-arc"
   STATUS=$(curl -w "%{http_code}" -L "https://github.com/AuxXxilium/arc-buildroot/releases/download/${TAG}/rootfs.cpio.xz" -o "${DEST_PATH}/initrd-arc")
   echo "TAG=${TAG}; Status=${STATUS}"
   [ ${STATUS} -ne 200 ] && exit 1
@@ -223,6 +223,21 @@ function getBuildroot() {
   echo "Getting Buildroot end"
 }
 
+# Get latest Offline
+# $1 path
+function getOffline() {
+  echo "Getting Offline begin"
+  local DEST_PATH="${1:-configs}"
+
+  [ ! -d "${DEST_PATH}" ] && mkdir -p "${DEST_PATH}"
+  rm -f "${DEST_PATH}/offline.json"
+  STATUS=$(curl -w "%{http_code}" -L "https://autoupdate.synology.com/os/v2" -o "${DEST_PATH}/offline.json")
+  echo "Status=${STATUS}"
+  [ ${STATUS} -ne 200 ] && exit 1
+
+  echo "Getting Offline end"
+}
+
 # repack initrd
 # $1 initrd file  
 # $2 plugin path