diff --git a/release/install-release.sh b/release/install-release.sh
index ce81c3bc2..ba2ab1009 100755
--- a/release/install-release.sh
+++ b/release/install-release.sh
@@ -9,486 +9,12 @@
 # 2: Application error
 # 3: Network error
 
-# CLI arguments
-PROXY=''
-HELP=''
-FORCE=''
-CHECK=''
-REMOVE=''
-VERSION=''
-VSRC_ROOT='/tmp/v2ray'
-EXTRACT_ONLY=''
-LOCAL=''
-LOCAL_INSTALL=''
-DIST_SRC='github'
-ERROR_IF_UPTODATE=''
-
-CUR_VER=""
-NEW_VER=""
-VDIS=''
-ZIPFILE="/tmp/v2ray/v2ray.zip"
-V2RAY_RUNNING=0
-
-CMD_INSTALL=""
-CMD_UPDATE=""
-SOFTWARE_UPDATED=0
-
-SYSTEMCTL_CMD=$(command -v systemctl 2>/dev/null)
-SERVICE_CMD=$(command -v service 2>/dev/null)
-
 #######color code########
 RED="31m"      # Error message
-GREEN="32m"    # Success message
 YELLOW="33m"   # Warning message
-BLUE="36m"     # Info message
-
-
-#########################
-while [[ $# > 0 ]]; do
-    case "$1" in
-        -p|--proxy)
-        PROXY="-x ${2}"
-        shift # past argument
-        ;;
-        -h|--help)
-        HELP="1"
-        ;;
-        -f|--force)
-        FORCE="1"
-        ;;
-        -c|--check)
-        CHECK="1"
-        ;;
-        --remove)
-        REMOVE="1"
-        ;;
-        --version)
-        VERSION="$2"
-        shift
-        ;;
-        --extract)
-        VSRC_ROOT="$2"
-        shift
-        ;;
-        --extractonly)
-        EXTRACT_ONLY="1"
-        ;;
-        -l|--local)
-        LOCAL="$2"
-        LOCAL_INSTALL="1"
-        shift
-        ;;
-        --source)
-        DIST_SRC="$2"
-        shift
-        ;;
-        --errifuptodate)
-        ERROR_IF_UPTODATE="1"
-        ;;
-        *)
-                # unknown option
-        ;;
-    esac
-    shift # past argument or value
-done
-
-###############################
 colorEcho(){
     echo -e "\033[${1}${@:2}\033[0m" 1>& 2
 }
 
-archAffix(){
-    case "${1:-"$(uname -m)"}" in
-        i686|i386)
-            echo '32'
-        ;;
-        x86_64|amd64)
-            echo '64'
-        ;;
-        *armv7*|armv6l)
-            echo 'arm'
-        ;;
-        *armv8*|aarch64)
-            echo 'arm64'
-        ;;
-        *mips64le*)
-            echo 'mips64le'
-        ;;
-        *mips64*)
-            echo 'mips64'
-        ;;
-        *mipsle*)
-            echo 'mipsle'
-        ;;
-        *mips*)
-            echo 'mips'
-        ;;
-        *s390x*)
-            echo 's390x'
-        ;;
-        ppc64le)
-            echo 'ppc64le'
-        ;;
-        ppc64)
-            echo 'ppc64'
-        ;;
-        *)
-            return 1
-        ;;
-    esac
-
-	return 0
-}
-
-zipRoot() {
-    unzip -lqq "$1" | awk -e '
-        NR == 1 {
-            prefix = $4;
-        }
-        NR != 1 {
-            prefix_len = length(prefix);
-            cur_len = length($4);
-
-            for (len = prefix_len < cur_len ? prefix_len : cur_len; len >= 1; len -= 1) {
-                sub_prefix = substr(prefix, 1, len);
-                sub_cur = substr($4, 1, len);
-
-                if (sub_prefix == sub_cur) {
-                    prefix = sub_prefix;
-                    break;
-                }
-            }
-
-            if (len == 0) {
-                prefix = "";
-                nextfile;
-            }
-        }
-        END {
-            print prefix;
-        }
-    '
-}
-
-downloadV2Ray(){
-    rm -rf /tmp/v2ray
-    mkdir -p /tmp/v2ray
-    if [[ "${DIST_SRC}" == "jsdelivr" ]]; then
-        DOWNLOAD_LINK="https://cdn.jsdelivr.net/gh/v2ray/dist/v2ray-linux-${VDIS}.zip"
-    else
-        DOWNLOAD_LINK="https://github.com/v2fly/v2ray-core/releases/download/${NEW_VER}/v2ray-linux-${VDIS}.zip"
-    fi
-    colorEcho ${BLUE} "Downloading V2Ray: ${DOWNLOAD_LINK}"
-    curl ${PROXY} -L -H "Cache-Control: no-cache" -o ${ZIPFILE} ${DOWNLOAD_LINK}
-    if [ $? != 0 ];then
-        colorEcho ${RED} "Failed to download! Please check your network or try again."
-        return 3
-    fi
-    return 0
-}
-
-installSoftware(){
-    COMPONENT=$1
-    if [[ -n `command -v $COMPONENT` ]]; then
-        return 0
-    fi
-
-    getPMT
-    if [[ $? -eq 1 ]]; then
-        colorEcho ${RED} "The system package manager tool isn't APT or YUM, please install ${COMPONENT} manually."
-        return 1
-    fi
-    if [[ $SOFTWARE_UPDATED -eq 0 ]]; then
-        colorEcho ${BLUE} "Updating software repo"
-        $CMD_UPDATE
-        SOFTWARE_UPDATED=1
-    fi
-
-    colorEcho ${BLUE} "Installing ${COMPONENT}"
-    $CMD_INSTALL $COMPONENT
-    if [[ $? -ne 0 ]]; then
-        colorEcho ${RED} "Failed to install ${COMPONENT}. Please install it manually."
-        return 1
-    fi
-    return 0
-}
-
-# return 1: not apt, yum, or zypper
-getPMT(){
-    if [[ -n `command -v apt-get` ]];then
-        CMD_INSTALL="apt-get -y -qq install"
-        CMD_UPDATE="apt-get -qq update"
-    elif [[ -n `command -v yum` ]]; then
-        CMD_INSTALL="yum -y -q install"
-        CMD_UPDATE="yum -q makecache"
-    elif [[ -n `command -v zypper` ]]; then
-        CMD_INSTALL="zypper -y install"
-        CMD_UPDATE="zypper ref"
-    else
-        return 1
-    fi
-    return 0
-}
-
-normalizeVersion() {
-    if [ -n "$1" ]; then
-        case "$1" in
-            v*)
-                echo "$1"
-            ;;
-            *)
-                echo "v$1"
-            ;;
-        esac
-    else
-        echo ""
-    fi
-}
-
-# 1: new V2Ray. 0: no. 2: not installed. 3: check failed. 4: don't check.
-getVersion(){
-    if [[ -n "$VERSION" ]]; then
-        NEW_VER="$(normalizeVersion "$VERSION")"
-        return 4
-    else
-        VER="$(/usr/bin/v2ray/v2ray -version 2>/dev/null)"
-        RETVAL=$?
-        CUR_VER="$(normalizeVersion "$(echo "$VER" | head -n 1 | cut -d " " -f2)")"
-        TAG_URL="https://api.github.com/repos/v2fly/v2ray-core/releases/latest"
-        NEW_VER="$(normalizeVersion "$(curl ${PROXY} -H "Accept: application/json" -H "User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:74.0) Gecko/20100101 Firefox/74.0" -s "${TAG_URL}" --connect-timeout 10| grep 'tag_name' | cut -d\" -f4)")"
-
-        if [[ $? -ne 0 ]] || [[ $NEW_VER == "" ]]; then
-            colorEcho ${RED} "Failed to fetch release information. Please check your network or try again."
-            return 3
-        elif [[ $RETVAL -ne 0 ]];then
-            return 2
-        elif [[ $NEW_VER != $CUR_VER ]];then
-            return 1
-        fi
-        return 0
-    fi
-}
-
-stopV2ray(){
-    colorEcho ${BLUE} "Shutting down V2Ray service."
-    if [[ -n "${SYSTEMCTL_CMD}" ]] || [[ -f "/lib/systemd/system/v2ray.service" ]] || [[ -f "/etc/systemd/system/v2ray.service" ]]; then
-        ${SYSTEMCTL_CMD} stop v2ray
-    elif [[ -n "${SERVICE_CMD}" ]] || [[ -f "/etc/init.d/v2ray" ]]; then
-        ${SERVICE_CMD} v2ray stop
-    fi
-    if [[ $? -ne 0 ]]; then
-        colorEcho ${YELLOW} "Failed to shutdown V2Ray service."
-        return 2
-    fi
-    return 0
-}
-
-startV2ray(){
-    if [ -n "${SYSTEMCTL_CMD}" ] && [[ -f "/lib/systemd/system/v2ray.service" || -f "/etc/systemd/system/v2ray.service" ]]; then
-        ${SYSTEMCTL_CMD} start v2ray
-    elif [ -n "${SERVICE_CMD}" ] && [ -f "/etc/init.d/v2ray" ]; then
-        ${SERVICE_CMD} v2ray start
-    fi
-    if [[ $? -ne 0 ]]; then
-        colorEcho ${YELLOW} "Failed to start V2Ray service."
-        return 2
-    fi
-    return 0
-}
-
-installV2Ray(){
-    # Install V2Ray binary to /usr/bin/v2ray
-    mkdir -p '/etc/v2ray' '/var/log/v2ray' && \
-    unzip -oj "$1" "$2v2ray" "$2v2ctl" "$2geoip.dat" "$2geosite.dat" -d '/usr/bin/v2ray' && \
-    chmod +x '/usr/bin/v2ray/v2ray' '/usr/bin/v2ray/v2ctl' || {
-        colorEcho ${RED} "Failed to copy V2Ray binary and resources."
-        return 1
-    }
-
-    # Install V2Ray server config to /etc/v2ray
-    if [ ! -f '/etc/v2ray/config.json' ]; then
-        local PORT="$(($RANDOM + 10000))"
-        local UUID="$(cat '/proc/sys/kernel/random/uuid')"
-
-        unzip -pq "$1" "$2vpoint_vmess_freedom.json" | \
-        sed -e "s/10086/${PORT}/g; s/23ad6b10-8d1a-40f7-8ad0-e3e35cd38297/${UUID}/g;" - > \
-        '/etc/v2ray/config.json' || {
-            colorEcho ${YELLOW} "Failed to create V2Ray configuration file. Please create it manually."
-            return 1
-        }
-
-        colorEcho ${BLUE} "PORT:${PORT}"
-        colorEcho ${BLUE} "UUID:${UUID}"
-    fi
-}
-
-
-installInitScript(){
-    if [[ -n "${SYSTEMCTL_CMD}" ]]; then
-        if [[ ! -f "/etc/systemd/system/v2ray.service" && ! -f "/lib/systemd/system/v2ray.service" ]]; then
-            unzip -oj "$1" "$2systemd/v2ray.service" -d '/etc/systemd/system' && \
-            systemctl enable v2ray.service
-        fi
-    elif [[ -n "${SERVICE_CMD}" ]] && [[ ! -f "/etc/init.d/v2ray" ]]; then
-        installSoftware 'daemon' && \
-        unzip -oj "$1" "$2systemv/v2ray" -d '/etc/init.d' && \
-        chmod +x '/etc/init.d/v2ray' && \
-        update-rc.d v2ray defaults
-    fi
-}
-
-Help(){
-  cat - 1>& 2 << EOF
-./install-release.sh [-h] [-c] [--remove] [-p proxy] [-f] [--version vx.y.z] [-l file]
-  -h, --help            Show help
-  -p, --proxy           To download through a proxy server, use -p socks5://127.0.0.1:1080 or -p http://127.0.0.1:3128 etc
-  -f, --force           Force install
-      --version         Install a particular version, use --version v3.15
-  -l, --local           Install from a local file
-      --remove          Remove installed V2Ray
-  -c, --check           Check for update
-EOF
-}
-
-remove(){
-    if [[ -n "${SYSTEMCTL_CMD}" ]] && [[ -f "/etc/systemd/system/v2ray.service" ]];then
-        if pgrep "v2ray" > /dev/null ; then
-            stopV2ray
-        fi
-        systemctl disable v2ray.service
-        rm -rf "/usr/bin/v2ray" "/etc/systemd/system/v2ray.service"
-        if [[ $? -ne 0 ]]; then
-            colorEcho ${RED} "Failed to remove V2Ray."
-            return 0
-        else
-            colorEcho ${GREEN} "Removed V2Ray successfully."
-            colorEcho ${BLUE} "If necessary, please remove configuration file and log file manually."
-            return 0
-        fi
-    elif [[ -n "${SYSTEMCTL_CMD}" ]] && [[ -f "/lib/systemd/system/v2ray.service" ]];then
-        if pgrep "v2ray" > /dev/null ; then
-            stopV2ray
-        fi
-        systemctl disable v2ray.service
-        rm -rf "/usr/bin/v2ray" "/lib/systemd/system/v2ray.service"
-        if [[ $? -ne 0 ]]; then
-            colorEcho ${RED} "Failed to remove V2Ray."
-            return 0
-        else
-            colorEcho ${GREEN} "Removed V2Ray successfully."
-            colorEcho ${BLUE} "If necessary, please remove configuration file and log file manually."
-            return 0
-        fi
-    elif [[ -n "${SERVICE_CMD}" ]] && [[ -f "/etc/init.d/v2ray" ]]; then
-        if pgrep "v2ray" > /dev/null ; then
-            stopV2ray
-        fi
-        rm -rf "/usr/bin/v2ray" "/etc/init.d/v2ray"
-        if [[ $? -ne 0 ]]; then
-            colorEcho ${RED} "Failed to remove V2Ray."
-            return 0
-        else
-            colorEcho ${GREEN} "Removed V2Ray successfully."
-            colorEcho ${BLUE} "If necessary, please remove configuration file and log file manually."
-            return 0
-        fi
-    else
-        colorEcho ${YELLOW} "V2Ray not found."
-        return 0
-    fi
-}
-
-checkUpdate(){
-    echo "Checking for update."
-    VERSION=""
-    getVersion
-    RETVAL="$?"
-    if [[ $RETVAL -eq 1 ]]; then
-        colorEcho ${BLUE} "Found new version ${NEW_VER} for V2Ray.(Current version:$CUR_VER)"
-    elif [[ $RETVAL -eq 0 ]]; then
-        colorEcho ${BLUE} "No new version. Current version is ${NEW_VER}."
-    elif [[ $RETVAL -eq 2 ]]; then
-        colorEcho ${YELLOW} "No V2Ray installed."
-        colorEcho ${BLUE} "The newest version for V2Ray is ${NEW_VER}."
-    fi
-    return 0
-}
-
-main(){
-    #helping information
-    [[ "$HELP" == "1" ]] && Help && return
-    [[ "$CHECK" == "1" ]] && checkUpdate && return
-    [[ "$REMOVE" == "1" ]] && remove && return
-
-    local ARCH=$(uname -m)
-    VDIS="$(archAffix)"
-
-    # extract local file
-    if [[ $LOCAL_INSTALL -eq 1 ]]; then
-        colorEcho ${YELLOW} "Installing V2Ray via local file. Please make sure the file is a valid V2Ray package, as we are not able to determine that."
-        NEW_VER=local
-        rm -rf /tmp/v2ray
-        ZIPFILE="$LOCAL"
-        #FILEVDIS=`ls /tmp/v2ray |grep v2ray-v |cut -d "-" -f4`
-        #SYSTEM=`ls /tmp/v2ray |grep v2ray-v |cut -d "-" -f3`
-        #if [[ ${SYSTEM} != "linux" ]]; then
-        #    colorEcho ${RED} "The local V2Ray can not be installed in linux."
-        #    return 1
-        #elif [[ ${FILEVDIS} != ${VDIS} ]]; then
-        #    colorEcho ${RED} "The local V2Ray can not be installed in ${ARCH} system."
-        #    return 1
-        #else
-        #    NEW_VER=`ls /tmp/v2ray |grep v2ray-v |cut -d "-" -f2`
-        #fi
-    else
-        # download via network and extract
-        installSoftware "curl" || return $?
-        getVersion
-        RETVAL="$?"
-        if [[ $RETVAL == 0 ]] && [[ "$FORCE" != "1" ]]; then
-            colorEcho ${BLUE} "Latest version ${CUR_VER} is already installed."
-            if [ -n "${ERROR_IF_UPTODATE}" ]; then
-              return 10
-            fi
-            return
-        elif [[ $RETVAL == 3 ]]; then
-            return 3
-        else
-            colorEcho ${BLUE} "Installing V2Ray ${NEW_VER} on ${ARCH}"
-            downloadV2Ray || return $?
-        fi
-    fi
-
-    local ZIPROOT="$(zipRoot "${ZIPFILE}")"
-    installSoftware unzip || return $?
-
-    if [ -n "${EXTRACT_ONLY}" ]; then
-        colorEcho ${BLUE} "Extracting V2Ray package to ${VSRC_ROOT}."
-
-        if unzip -o "${ZIPFILE}" -d ${VSRC_ROOT}; then
-            colorEcho ${GREEN} "V2Ray extracted to ${VSRC_ROOT%/}${ZIPROOT:+/${ZIPROOT%/}}, and exiting..."
-            return 0
-        else
-            colorEcho ${RED} "Failed to extract V2Ray."
-            return 2
-        fi
-    fi
-
-    if pgrep "v2ray" > /dev/null ; then
-        V2RAY_RUNNING=1
-        stopV2ray
-    fi
-    installV2Ray "${ZIPFILE}" "${ZIPROOT}" || return $?
-    installInitScript "${ZIPFILE}" "${ZIPROOT}" || return $?
-    if [[ ${V2RAY_RUNNING} -eq 1 ]];then
-        colorEcho ${BLUE} "Restarting V2Ray service."
-        startV2ray
-    fi
-    colorEcho ${GREEN} "V2Ray ${NEW_VER} is installed."
-    rm -rf /tmp/v2ray
-    return 0
-}
-
 colorEcho ${RED} "WARN: This script will be obsolete soon, please switch to the fhs-install-v2ray project in time."
 colorEcho ${YELLOW} "URL: https://github.com/v2fly/fhs-install-v2ray"
-main