diff --git a/l2tp.sh b/l2tp.sh
deleted file mode 100644
index 02cdbea..0000000
--- a/l2tp.sh
+++ /dev/null
@@ -1,223 +0,0 @@
-#!/bin/bash
-
-# 退出时显示错误
-set -e
-
-# 颜色定义
-RED='\033[0;31m'
-GREEN='\033[0;32m'
-YELLOW='\033[1;33m'
-NC='\033[0m' # No Color
-
-# 函数定义
-print_info() {
-    echo -e "${YELLOW}[INFO] $1${NC}"
-}
-
-print_success() {
-    echo -e "${GREEN}[SUCCESS] $1${NC}"
-}
-
-print_error() {
-    echo -e "${RED}[ERROR] $1${NC}"
-}
-
-check_service_status() {
-    if systemctl is-active --quiet $1; then
-        print_success "$1 服务正在运行"
-    else
-        print_error "$1 服务未运行"
-        exit 1
-    fi
-}
-
-# 检测系统类型
-if [ -f /etc/os-release ]; then
-    . /etc/os-release
-    OS=$NAME
-else
-    print_error "无法检测操作系统类型，脚本可能无法正常工作。"
-    exit 1
-fi
-
-print_info "检测到的操作系统: $OS"
-
-# 更新系统包列表
-print_info "正在更新系统包列表..."
-if apt update; then
-    print_success "系统包列表更新成功"
-else
-    print_error "系统包列表更新失败"
-    exit 1
-fi
-
-# 安装必要的软件包
-print_info "正在安装 StrongSwan 和 xl2tpd..."
-if DEBIAN_FRONTEND=noninteractive apt install -yq strongswan strongswan-pki libcharon-extra-plugins xl2tpd ppp curl; then
-    print_success "StrongSwan 和 xl2tpd 安装成功"
-else
-    print_error "StrongSwan 和 xl2tpd 安装失败"
-    exit 1
-fi
-
-# 随机生成用户名、密码和预共享密钥
-USERNAME="vpnuser_$(tr -dc A-Za-z0-9 </dev/urandom | head -c 6)"
-PASSWORD="$(tr -dc A-Za-z0-9 </dev/urandom | head -c 16)"
-PSK="$(tr -dc A-Za-z0-9 </dev/urandom | head -c 20)"
-
-# 获取公网 IP
-print_info "正在获取公网 IP..."
-PUBLIC_IP=$(curl -s http://ipinfo.io/ip)
-if [ -z "$PUBLIC_IP" ]; then
-    print_error "无法获取公网 IP"
-    exit 1
-else
-    print_success "成功获取公网 IP: $PUBLIC_IP"
-fi
-
-# 配置 StrongSwan
-print_info "正在配置 StrongSwan..."
-cat <<EOF > /etc/ipsec.conf
-config setup
-    charondebug="ike 1, knl 1, cfg 0"
-    uniqueids=no
-
-conn L2TP-PSK
-    authby=secret
-    auto=add
-    keyingtries=3
-    rekey=no
-    ikelifetime=8h
-    keylife=1h
-    type=transport
-    left=%any
-    leftprotoport=17/1701
-    right=%any
-    rightprotoport=17/%any
-    dpdaction=clear
-    dpddelay=30s
-    dpdtimeout=120s
-    ike=aes256-sha256-modp2048!
-    esp=aes256-sha256!
-EOF
-print_success "StrongSwan 配置完成"
-
-# 设置预共享密钥
-print_info "正在设置预共享密钥..."
-echo ": PSK \"$PSK\"" > /etc/ipsec.secrets
-print_success "预共享密钥设置完成"
-
-# 配置 xl2tpd
-print_info "正在配置 xl2tpd..."
-cat <<EOF > /etc/xl2tpd/xl2tpd.conf
-[global]
-port = 1701
-
-[lns default]
-ip range = 10.10.10.10-10.10.10.200
-local ip = 10.10.10.1
-require chap = yes
-refuse pap = yes
-require authentication = yes
-name = L2TP-VPN-Server
-ppp debug = yes
-pppoptfile = /etc/ppp/options.xl2tpd
-length bit = yes
-EOF
-print_success "xl2tpd 配置完成"
-
-# 配置 PPP 选项
-print_info "正在配置 PPP 选项..."
-cat <<EOF > /etc/ppp/options.xl2tpd
-ipcp-accept-local
-ipcp-accept-remote
-ms-dns 8.8.8.8
-ms-dns 8.8.4.4
-noccp
-auth
-mtu 1280
-mru 1280
-proxyarp
-lcp-echo-failure 4
-lcp-echo-interval 30
-connect-delay 5000
-EOF
-print_success "PPP 选项配置完成"
-
-# 添加 VPN 用户
-print_info "正在添加 VPN 用户..."
-echo "$USERNAME * $PASSWORD *" > /etc/ppp/chap-secrets
-print_success "VPN 用户添加完成"
-
-# 配置 IP 转发
-print_info "正在配置 IP 转发..."
-echo "net.ipv4.ip_forward = 1" > /etc/sysctl.d/60-vpn-forward.conf
-sysctl -p /etc/sysctl.d/60-vpn-forward.conf
-print_success "IP 转发配置完成"
-
-# 配置 NAT
-print_info "正在配置 NAT..."
-DEFAULT_IFACE=$(ip -4 route ls | grep default | grep -Po '(?<=dev )(\S+)' | head -1)
-iptables -t nat -A POSTROUTING -s 10.10.10.0/24 -o $DEFAULT_IFACE -j MASQUERADE
-iptables-save > /etc/iptables.rules
-print_success "NAT 配置完成"
-
-# 创建一个服务来在启动时恢复 iptables 规则
-print_info "正在创建 iptables 恢复服务..."
-cat <<EOF > /etc/systemd/system/iptables-restore.service
-[Unit]
-Description=Restore iptables rules
-Before=network-online.target
-
-[Service]
-Type=oneshot
-ExecStart=/sbin/iptables-restore /etc/iptables.rules
-
-[Install]
-WantedBy=multi-user.target
-EOF
-systemctl enable iptables-restore
-print_success "iptables 恢复服务创建完成"
-
-# 重启并启用服务
-print_info "正在重启并启用服务..."
-if [[ "$OS" == *"Ubuntu"* ]]; then
-    systemctl restart strongswan
-    systemctl enable strongswan
-elif [[ "$OS" == *"Debian"* ]]; then
-    systemctl restart strongswan-starter
-    systemctl enable strongswan-starter
-else
-    print_info "未知的操作系统，尝试重启 strongswan 服务..."
-    systemctl restart strongswan || systemctl restart strongswan-starter
-    systemctl enable strongswan || systemctl enable strongswan-starter
-fi
-
-systemctl restart xl2tpd
-systemctl enable xl2tpd
-
-# 检查服务状态
-if [[ "$OS" == *"Ubuntu"* ]]; then
-    check_service_status "strongswan"
-elif [[ "$OS" == *"Debian"* ]]; then
-    check_service_status "strongswan-starter"
-else
-    if systemctl is-active --quiet strongswan; then
-        check_service_status "strongswan"
-    elif systemctl is-active --quiet strongswan-starter; then
-        check_service_status "strongswan-starter"
-    else
-        print_error "strongSwan 服务未运行"
-        exit 1
-    fi
-fi
-
-check_service_status "xl2tpd"
-
-# 输出连接信息
-print_success "L2TP/IPSec VPN 安装和配置完成！"
-echo -e "${GREEN}请使用以下信息进行连接：${NC}"
-echo -e "${GREEN}服务器地址: $PUBLIC_IP${NC}"
-echo -e "${GREEN}用户名: $USERNAME${NC}"
-echo -e "${GREEN}密码: $PASSWORD${NC}"
-echo -e "${GREEN}预共享密钥: $PSK${NC}"