diff --git a/README.md b/README.md
index 836a53c..1af2b9c 100644
--- a/README.md
+++ b/README.md
@@ -18,3 +18,4 @@ wget -N --no-check-certificate https://raw.githubusercontent.com/phlinhng/v2ray-
 + [Project V](https://www.v2ray.com/)
 + [TLS 分流器](https://github.com/liberal-boy/tls-shunt-proxy)
 + [templated.co/industrious](https://templated.co/industrious)
++ [atrandys/trojan](https://github.com/atrandys/trojan)
diff --git a/v2.sh b/v2.sh
index 5f2f767..96ffa37 100644
--- a/v2.sh
+++ b/v2.sh
@@ -1,72 +1,263 @@
 #!/bin/bash
 
 if [[ $(/usr/bin/id -u) -ne 0 ]]; then
-    echo "请使用root用户或sudo指令執行"
-    exit 2
+  sudoCmd="sudo"
+else
+  sudoCmd=""
 fi
 
-read -p "解析到本VPS的域名: " V2_DOMAIN
-
-# install requirements
-# uuid-runtime: for uuid generating
-# coreutils: for base64 command
-# nginx: for redirecting http to https to make dummy site look more real
-# ntp: time syncronise service
-apt-get install curl git uuid-runtime coreutils wget nginx ntp -y
-
-# install v2ray
-bash <(curl -L -s https://install.direct/go.sh)
-
-# install tls-shunt-proxy
-bash <(curl -L -s https://raw.githubusercontent.com/liberal-boy/tls-shunt-proxy/master/dist/install.sh)
-
-rm -rf v2ray-tcp-tls-web
-git clone https://github.com/phlinhng/v2ray-tcp-tls-web.git
-cd v2ray-tcp-tls-web
-
-# create config files
-uuid=$(uuidgen)
-sed -i "s/FAKEUUID/${uuid}/g" config.json
-sed -i "s/FAKEDOMAIN/${V2_DOMAIN}/g" config.yaml
-sed -i "s/FAKEDOMAIN/${V2_DOMAIN}/g" default
-
-# copy cofig files to respective path
-/bin/cp -f config.json /etc/v2ray
-/bin/cp -f config.yaml /etc/tls-shunt-proxy
-/bin/cp -f default /etc/nginx/sites-available
-
-# copy template for dummy web pages
-mkdir -p /var/www/html
-/bin/cp -rf templated-industrious/. /var/www/html
-
-# set crontab to auto update geoip.dat and geosite.dat
-(crontab -l 2>/dev/null; echo "0 7 * * * wget -q https://github.com/Loyalsoldier/v2ray-rules-dat/raw/release/geoip.dat -O /usr/bin/v2ray/geoip.dat >/dev/null >/dev/null") | crontab -
-(crontab -l 2>/dev/null; echo "0 7 * * * wget -q https://github.com/Loyalsoldier/v2ray-rules-dat/raw/release/geosite.dat -O /usr/bin/v2ray/geosite.dat >/dev/null >/dev/null") | crontab -
-
-# activate services
-systemctl daemon-reload
-systemctl enable ntp
-systemctl start ntp
-systemctl enable v2ray
-systemctl start v2ray
-systemctl enable tls-shunt-proxy
-systemctl start tls-shunt-proxy
-systemctl enable nginx
-systemctl restart nginx
-
-# remove installation files
-cd ..
-rm -rf v2ray-tcp-tls-web
-
-printf "\n"
-printf "${V2_DOMAIN}:443\n"
-printf "${uuid} (aid: 0)\n"
-printf "\n"
-
-json="{\"add\":\"${V2_DOMAIN}\",\"aid\":\"0\",\"host\":\"\",\"id\":\"${uuid}\",\"net\":\"\",\"path\":\"\",\"port\":\"443\",\"ps\":\"${V2_DOMAIN}:443\",\"tls\":\"tls\",\"type\":\"none\",\"v\":\"2\"}"
-
-uri="$(printf "${json}" | base64)"
-printf "vmess://${uri}" | tr -d '\n'
-printf "\n"
-
-exit 0
+# copied from v2ray official script
+# colour code
+RED="31m"      # Error message
+GREEN="32m"    # Success message
+YELLOW="33m"   # Warning message
+BLUE="36m"     # Info message
+# colour function
+colorEcho(){
+  echo -e "\033[${1}${@:2}\033[0m" 1>& 2
+}
+
+#copied & modified from atrandys trojan scripts
+#copy from 秋水逸冰 ss scripts
+if [[ -f /etc/redhat-release ]]; then
+  release="centos"
+  systemPackage="yum"
+  colorEcho ${RED} "unsupported OS"
+  exit 0
+elif cat /etc/issue | grep -Eqi "debian"; then
+  release="debian"
+  systemPackage="apt-get"
+elif cat /etc/issue | grep -Eqi "ubuntu"; then
+  release="ubuntu"
+  systemPackage="apt-get"
+elif cat /etc/issue | grep -Eqi "centos|red hat|redhat"; then
+  release="centos"
+  systemPackage="yum"
+  colorEcho ${RED} "unsupported OS"
+  exit 0
+elif cat /proc/version | grep -Eqi "debian"; then
+  release="debian"
+  systemPackage="apt-get"
+elif cat /proc/version | grep -Eqi "ubuntu"; then
+  release="ubuntu"
+  systemPackage="apt-get"
+elif cat /proc/version | grep -Eqi "centos|red hat|redhat"; then
+  release="centos"
+  systemPackage="yum"
+  colorEcho ${RED} "unsupported OS"
+  exit 0
+fi
+
+display_vmess() {
+  if [ ! -d "/usr/bin/v2ray" ]; then
+    colorEcho ${RED} "尚末安装v2Ray"
+    return 1
+  elif [ ! -f "/etc/nginx/sites-available/default" ]; then
+    colorEcho ${RED} "web server配置文件不存在"
+    return 1
+  fi
+
+  #${sudoCmd} ${systemPackage} install coreutils jq -y
+  uuid="$(${sudoCmd} cat /etc/v2ray/config.json | jq --raw-output '.inbounds[0].settings.clients[0].id')"
+  V2_DOMAIN="$(${sudoCmd} cat /etc/nginx/sites-available/default | grep -e 'server_name' | sed -e 's/^[[:blank:]]server_name[[:blank:]]//g' -e 's/;//g' | tr -d '\n')"
+
+  echo ""
+  echo "${V2_DOMAIN}:443"
+  echo "${uuid} (aid: 0)"
+  echo ""
+
+  json="{\"add\":\"${V2_DOMAIN}\",\"aid\":\"0\",\"host\":\"\",\"id\":\"${uuid}\",\"net\":\"\",\"path\":\"\",\"port\":\"443\",\"ps\":\"${V2_DOMAIN}:443\",\"tls\":\"tls\",\"type\":\"none\",\"v\":\"2\"}"
+
+  uri="$(printf "${json}" | base64)"
+  echo "vmess://${uri}" | tr -d '\n'
+  printf "\n"
+}
+
+get_v2ray() {
+  ${sudoCmd} ${systemPackage} install curl -y
+  # install v2ray
+  curl -L -s https://install.direct/go.sh | ${sudoCmd} bash
+}
+
+install_v2ray() {
+  read -p "解析到本VPS的域名: " V2_DOMAIN
+
+  # install requirements
+  # coreutils: for base64 command
+  # nginx: for redirecting http to https to make dummy site look more real
+  # ntp: time syncronise service
+  # jq: json toolkits
+  ${sudoCmd} ${systemPackage} install curl git coreutils wget nginx ntp jq -y
+
+  # install v2ray-core
+  if [ ! -d "/usr/bin/v2ray" ]; then
+    get_v2ray
+  fi
+
+  # install tls-shunt-proxy
+  if [ ! -f "/usr/local/bin/tls-shunt-proxy" ]; then
+    curl -L -s https://raw.githubusercontent.com/liberal-boy/tls-shunt-proxy/master/dist/install.sh | ${sudoCmd} bash
+    colorEcho ${GREEN} "tls-shunt-proxy is i"
+  fi
+
+  cd $(mktemp -d)
+  git clone https://github.com/phlinhng/v2ray-tcp-tls-web.git
+  cd v2ray-tcp-tls-web
+
+  # prevent some bug
+  ${sudoCmd} rm -rf /etc/tls-shunt-proxy
+  ${sudoCmd} mkdir -p /etc/tls-shunt-proxy
+  ${sudoCmd} rm -rf /etc/nginx/sites-available
+  ${sudoCmd} mkdir -p /etc/nginx/sites-available
+
+  # create config files
+  uuid=$(${sudoCmd} cat /etc/v2ray/config.json | jq --raw-output '.inbounds[0].settings.clients[0].id')
+  sed -i "s/FAKEUUID/${uuid}/g" config.json
+  sed -i "s/FAKEDOMAIN/${V2_DOMAIN}/g" config.yaml
+  sed -i "s/FAKEDOMAIN/${V2_DOMAIN}/g" default
+
+  # copy cofig files to respective path
+  ${sudoCmd} /bin/cp -f config.json /etc/v2ray/config.json
+  ${sudoCmd} /bin/cp -f config.yaml /etc/tls-shunt-proxy/config.yaml
+  ${sudoCmd} /bin/cp -f default /etc/nginx/sites-available/default
+
+  # copy template for dummy web pages
+  ${sudoCmd} mkdir -p /var/www/html
+  ${sudoCmd} /bin/cp -rf templated-industrious/. /var/www/html
+
+  # set crontab to auto update geoip.dat and geosite.dat
+  (crontab -l 2>/dev/null; echo "0 7 * * * wget -q https://raw.githubusercontent.com/Loyalsoldier/v2ray-rules-dat/release/geoip.dat -O /usr/bin/v2ray/geoip.dat >/dev/null >/dev/null") | ${sudoCmd} crontab -
+  (crontab -l 2>/dev/null; echo "0 7 * * * wget -q https://raw.githubusercontent.com/Loyalsoldier/v2ray-rules-dat/release/geosite.dat -O /usr/bin/v2ray/geosite.dat >/dev/null >/dev/null") | ${sudoCmd} crontab -
+
+  # activate services
+  ${sudoCmd} systemctl daemon-reload
+  ${sudoCmd} systemctl enable ntp
+  ${sudoCmd} systemctl start ntp
+  ${sudoCmd} systemctl enable v2ray
+  ${sudoCmd} systemctl start v2ray
+  ${sudoCmd} systemctl enable tls-shunt-proxy
+  ${sudoCmd} systemctl start tls-shunt-proxy
+  ${sudoCmd} systemctl enable nginx
+  ${sudoCmd} systemctl restart nginx
+
+  # remove installation files
+  cd ..
+  rm -rf v2ray-tcp-tls-web
+
+  colorEcho ${GREEN} "安装TCP+TLS+WEB成功!"
+  display_vmess
+}
+
+rm_v2ray() {
+  if [ ! -d "/usr/bin/v2ray" ] || [ ! -f "/usr/local/bin/tls-shunt-proxy" ]; then
+    return 1
+  fi
+
+  ${sudoCmd} ${systemPackage} install curl -y
+
+  # remove v2ray
+  # Notice the two dashes (--) which are telling bash to not process anything following it as arguments to bash.
+  # https://stackoverflow.com/questions/4642915/passing-parameters-to-bash-when-executing-a-script-fetched-by-curl
+  curl -sL https://install.direct/go.sh | ${sudoCmd} bash -s -- --remove
+  ${sudoCmd} rm -rf /etc/v2ray
+
+  # remove tls-shunt-server
+  ${sudoCmd} systemctl stop tls-shunt-proxy
+  ${sudoCmd} systemctl disable tls-shunt-proxy
+  ${sudoCmd} rm -f /etc/systemd/system/tls-shunt-proxy.service
+  ${sudoCmd} rm -f /etc/systemd/system/tls-shunt-proxy.service # and symlinks that might be related
+  ${sudoCmd} systemctl daemon-reload
+  ${sudoCmd} systemctl reset-failed
+  ${sudoCmd} rm -rf /usr/local/bin/tls-shunt-proxy
+  ${sudoCmd} rm -rf /etc/ssl/tls-shunt-proxy
+  ${sudoCmd} deluser tls-shunt-proxy
+  ${sudoCmd} delgroup --only-if-empty tls-shunt-proxy
+
+  # remove nginx
+  ${sudoCmd} ${systemPackage} purge nginx -y
+  ${sudoCmd} ${systemPackage} autoremove -y
+  ${sudoCmd} systemctl stop nginx
+  ${sudoCmd} systemctl disable nginx
+  ${sudoCmd} rm -f /etc/systemd/system/nginx.service
+  ${sudoCmd} rm -f /etc/systemd/system/nginx.service # and symlinks that might be related
+  ${sudoCmd} rm -f /lib/systemd/system/nginx.service
+  ${sudoCmd} rm -f /lib/systemd/system/nginx.service # and symlinks that might be related
+  ${sudoCmd} systemctl daemon-reload
+  ${sudoCmd} systemctl reset-failed
+  ${sudoCmd} rm -rf /etc/nginx
+  colorEcho ${GREEN} "卸载TCP+TLS+WEB成功!"
+
+  exit 0
+}
+
+generate_link() {
+  if [ ! -d "/usr/bin/v2ray" ]; then
+    colorEcho ${RED} "尚末安装v2Ray"
+    return 1
+  elif [ ! -f "/etc/nginx/sites-available/default" ]; then
+    colorEcho ${RED} "web server配置文件不存在"
+    return 1
+  fi
+
+  if [ -f "/etc/v2ray/subscription" ]; then
+    ${sudoCmd} rm -f /var/www/html/$(${sudoCmd} cat /etc/v2ray/subscription)
+  fi
+
+  #${sudoCmd} ${systemPackage} install uuid-runtime coreutils jq -y
+  uuid=$(${sudoCmd} cat /etc/v2ray/config.json | jq --raw-output '.inbounds[0].settings.clients[0].id')
+  V2_DOMAIN=$(${sudoCmd} cat /etc/nginx/sites-available/default | grep -e 'server_name' | sed -e 's/^[[:blank:]]server_name[[:blank:]]//g' -e 's/;//g' | tr -d '\n')
+
+  read -p "输入节点名称[留空则使用默认值]: " remark
+
+  if [ -z "${remark}" ]; then
+    remark="${V2_DOMAIN}:443"
+  fi
+
+  json="{\"add\":\"${V2_DOMAIN}\",\"aid\":\"0\",\"host\":\"\",\"id\":\"${uuid}\",\"net\":\"\",\"path\":\"\",\"port\":\"443\",\"ps\":\"${remark}\",\"tls\":\"tls\",\"type\":\"none\",\"v\":\"2\"}"
+
+  uri="$(printf "${json}" | base64)"
+  vmess="vmess://${uri}"
+  sub="$(printf "vmess://${uri}" | tr -d '\n' | base64)"
+
+  randomName="$(uuidgen | sed -e 's/-//g' | tr '[:upper:]' '[:lower:]' | head -c 16)" #random file name for subscription
+  printf "${randomName}" | ${sudoCmd} tee /etc/v2ray/subscription >/dev/null
+  printf "${sub}" | tr -d '\n' | ${sudoCmd} tee -a /var/www/html/${randomName} >/dev/null
+  echo "https://${V2_DOMAIN}/${randomName}" | tr -d '\n'
+  printf "\n"
+}
+
+menu() {
+  colorEcho ${YELLOW} "v2Ray TCP+TLS+WEB automated script v0.1"
+  colorEcho ${YELLOW} "author: phlinhng"
+  echo ""
+
+  PS3="选择操作[输入任意值退出]: "
+  options=("安装TCP+TLS+WEB" "更新v2Ray-core" "卸载TCP+TLS+WEB" "显示vmess链接" "生成订阅" "退出")
+  select opt in "${options[@]}"
+  do
+    case $opt in
+      "安装TCP+TLS+WEB")
+        install_v2ray
+        ;;
+      "更新v2Ray-core")
+        get_v2ray
+        ;;
+      "卸载TCP+TLS+WEB")
+        rm_v2ray
+        ;;
+      "显示vmess链接")
+        display_vmess
+        ;;
+      "生成订阅")
+        generate_link
+        ;;
+      "退出")
+        break
+        ;;
+      *) break;;
+    esac
+  done
+
+}
+
+menu