diff --git a/install.sh b/install.sh
index e90fb6a..45b0073 100644
--- a/install.sh
+++ b/install.sh
@@ -1,11 +1,11 @@
 #!/bin/bash
 
 #====================================================
-#	System Request:Debian 7+/Ubuntu 14.04+/Centos 6+
+#	System Request:Debian 9+/Ubuntu 18.04+/Centos 7+
 #	Author:	wulabing
 #	Dscription: V2ray ws+tls onekey 
-#	Version: 3.3.1
-#	Blog: https://www.wulabing.com
+#	Version: 5.0
+#	email:wulabing@admin.com
 #	Official document: www.v2ray.com
 #====================================================
 
@@ -23,10 +23,13 @@ OK="${Green}[OK]${Font}"
 Error="${Red}[错误]${Font}"
 
 v2ray_conf_dir="/etc/v2ray"
-nginx_conf_dir="/etc/nginx/conf.d"
+nginx_conf_dir="/etc/nginx/conf/conf.d"
 v2ray_conf="${v2ray_conf_dir}/config.json"
 nginx_conf="${nginx_conf_dir}/v2ray.conf"
-
+nginx_dir=$"/etc/nginx"
+nginx_openssl_src="/usr/local/src"
+nginx_version="1.16.1"
+openssl_version="1.1.1d"
 #生成伪装路径
 camouflage=`cat /dev/urandom | head -n 10 | md5sum | head -c 8`
 
@@ -36,51 +39,30 @@ source /etc/os-release
 VERSION=`echo ${VERSION} | awk -F "[()]" '{print $2}'`
 
 check_system(){
-    
     if [[ "${ID}" == "centos" && ${VERSION_ID} -ge 7 ]];then
-        echo -e "${OK} ${GreenBG} 当前系统为 Centos ${VERSION_ID} ${VERSION} ${Font} "
+        echo -e "${OK} ${GreenBG} 当前系统为 Centos ${VERSION_ID} ${VERSION} ${Font}"
         INS="yum"
-        echo -e "${OK} ${GreenBG} SElinux 设置中，请耐心等待，不要进行其他操作${Font} "
-        setsebool -P httpd_can_network_connect 1
-        echo -e "${OK} ${GreenBG} SElinux 设置完成 ${Font} "
-        ## Centos 也可以通过添加 epel 仓库来安装，目前不做改动
-        cat>/etc/yum.repos.d/nginx.repo<<EOF
-[nginx]
-name=nginx repo
-baseurl=http://nginx.org/packages/mainline/centos/7/\$basearch/
-gpgcheck=0
-enabled=1
-EOF
-        echo -e "${OK} ${GreenBG} Nginx 源 安装完成 ${Font}" 
     elif [[ "${ID}" == "debian" && ${VERSION_ID} -ge 8 ]];then
-        echo -e "${OK} ${GreenBG} 当前系统为 Debian ${VERSION_ID} ${VERSION} ${Font} "
+        echo -e "${OK} ${GreenBG} 当前系统为 Debian ${VERSION_ID} ${VERSION} ${Font}"
         INS="apt"
+        INS update
         ## 添加 Nginx apt源
-        if [ ! -f nginx_signing.key ];then
-        echo "deb http://nginx.org/packages/mainline/debian/ ${VERSION} nginx" >> /etc/apt/sources.list
-        echo "deb-src http://nginx.org/packages/mainline/debian/ ${VERSION} nginx" >> /etc/apt/sources.list
-        wget -nc https://nginx.org/keys/nginx_signing.key
-        apt-key add nginx_signing.key
-        fi
     elif [[ "${ID}" == "ubuntu" && `echo "${VERSION_ID}" | cut -d '.' -f1` -ge 16 ]];then
-        echo -e "${OK} ${GreenBG} 当前系统为 Ubuntu ${VERSION_ID} ${UBUNTU_CODENAME} ${Font} "
+        echo -e "${OK} ${GreenBG} 当前系统为 Ubuntu ${VERSION_ID} ${UBUNTU_CODENAME} ${Font}"
         INS="apt"
-        ## 添加 Nginx apt源
-        if [ ! -f nginx_signing.key ];then
-        echo "deb http://nginx.org/packages/mainline/ubuntu/ ${UBUNTU_CODENAME} nginx" >> /etc/apt/sources.list
-        echo "deb-src http://nginx.org/packages/mainline/ubuntu/ ${UBUNTU_CODENAME} nginx" >> /etc/apt/sources.list
-        wget -nc https://nginx.org/keys/nginx_signing.key
-        apt-key add nginx_signing.key
-        fi
+        INS update
     else
-        echo -e "${Error} ${RedBG} 当前系统为 ${ID} ${VERSION_ID} 不在支持的系统列表内，安装中断 ${Font} "
+        echo -e "${Error} ${RedBG} 当前系统为 ${ID} ${VERSION_ID} 不在支持的系统列表内，安装中断 ${Font}"
         exit 1
     fi
 
+    systemctl stop firewalld && systemctl disable firewalld
+    echo -e "${OK} ${GreenBG} firewalld 已关闭 ${Font}"
 }
+
 is_root(){
     if [ `id -u` == 0 ]
-        then echo -e "${OK} ${GreenBG} 当前用户是root用户，进入安装流程 ${Font} "
+        then echo -e "${OK} ${GreenBG} 当前用户是root用户，进入安装流程 ${Font}"
         sleep 3
     else
         echo -e "${Error} ${RedBG} 当前用户不是root用户，请切换到root用户后重新执行脚本 ${Font}" 
@@ -96,57 +78,105 @@ judge(){
         exit 1
     fi
 }
-ntpdate_install(){
+chrony_install(){
+    ${INS} -y install chrony
+    judge "安装 chrony 时间同步服务 "
+
+    timedatectl set-ntp true
+
     if [[ "${ID}" == "centos" ]];then
-        ${INS} install ntpdate -y
+       systemctl enable chronyd && systemctl restart chronyd
     else
-        ${INS} update
-        ${INS} install ntpdate -y
+       systemctl enable chrony && systemctl restart chrony
     fi
-    judge "安装 NTPdate 时间同步服务 "
+
+    judge "chronyd 启动 "
+
+    timedatectl set-timezone Asia/Shanghai
+
+    echo -e "${OK} ${GreenBG} 等待时间同步 ${Font}"
+    sleep 10
+
+    chronyc sourcestats -v
+    chronyc tracking -v
+    date
+    read -p "请确认时间是否准确,误差范围±3分钟(Y/N): " chrony_install
+    [[ -z ${chrony_install} ]] && chrony_install="Y"
+    case $chrony_install in
+        [yY][eE][sS]|[yY])
+            echo -e "${GreenBG} 继续安装 ${Font}"
+            sleep 2
+            ;;
+        *)
+            echo -e "${RedBG} 安装终止 ${Font}"
+            exit 2
+            ;;
+        esac
 }
-time_modify(){
 
-    ntpdate_install
-
-    systemctl stop ntp &>/dev/null
-
-    echo -e "${Info} ${GreenBG} 正在进行时间同步 ${Font}"
-    ntpdate time.nist.gov
-
-    if [[ $? -eq 0 ]];then 
-        echo -e "${OK} ${GreenBG} 时间同步成功 ${Font}"
-        echo -e "${OK} ${GreenBG} 当前系统时间 `date -R`（请注意时区间时间换算，换算后时间误差应为三分钟以内）${Font}"
-        sleep 1
-    else
-        echo -e "${Error} ${RedBG} 时间同步失败，请检查ntpdate服务是否正常工作 ${Font}"
-    fi 
-}
 dependency_install(){
     ${INS} install wget git lsof -y
 
     if [[ "${ID}" == "centos" ]];then
        ${INS} -y install crontabs
     else
-        ${INS} install cron
+       ${INS} -y install cron
     fi
     judge "安装 crontab"
 
-    # 新版的IP判定不需要使用net-tools
-    # ${INS} install net-tools -y
-    # judge "安装 net-tools"
+    if [[ "${ID}" == "centos" ]];then
+       systemctl start crond && systemctl enable crond
+    else
+       touch /var/spool/cron/crontabs/root && chmod 600 /var/spool/cron/crontabs/root
+       systemctl start cron && systemctl enable cron
+
+    fi
+    judge "crontab 自启动配置 "
+
+
 
     ${INS} install bc -y
     judge "安装 bc"
 
     ${INS} install unzip -y
     judge "安装 unzip"
+
+    if [[ "${ID}" == "centos" ]];then
+       ${INS} -y groupinstall "Development tools"
+    else
+       ${INS} -y install build-essential
+    fi
+    judge "编译工具包 安装"
+
+    if [[ "${ID}" == "centos" ]];then
+       ${INS} -y install pcre pcre-devel zlib-devel
+    else
+       ${INS} -y install libpcre3 libpcre3-dev zlib1g-dev
+    fi
+
+
+    judge "nginx 编译依赖"
+
+}
+basic_optimization(){
+    # 最大文件打开数
+    sed -i '/^\*\ *soft\ *nofile\ *[[:digit:]]*/d' /etc/security/limits.conf
+    sed -i '/^\*\ *hard\ *nofile\ *[[:digit:]]*/d' /etc/security/limits.conf
+    echo '* soft nofile 65536' >> /etc/security/limits.conf
+    echo '* hard nofile 65536' >> /etc/security/limits.conf
+
+    # 关闭 Selinux
+    if [[ "${ID}" == "centos" ]];then
+        sed -i 's/^SELINUX=.*/SELINUX=disabled/' /etc/selinux/config
+        setenforce 0
+    fi
+
 }
 port_alterid_set(){
     stty erase '^H' && read -p "请输入连接端口（default:443）:" port
     [[ -z ${port} ]] && port="443"
-    stty erase '^H' && read -p "请输入alterID（default:64）:" alterID
-    [[ -z ${alterID} ]] && alterID="64"
+    stty erase '^H' && read -p "请输入alterID（default:4）:" alterID
+    [[ -z ${alterID} ]] && alterID="4"
 }
 modify_port_UUID(){
     let PORT=$RANDOM+10000
@@ -157,21 +187,17 @@ modify_port_UUID(){
     sed -i "/\"path\"/c \\\t  \"path\":\"\/${camouflage}\/\"" ${v2ray_conf}
 }
 modify_nginx(){
-    ## sed 部分地方 适应新配置修正
-    if [[ -f /etc/nginx/nginx.conf.bak ]];then
-        cp /etc/nginx/nginx.conf.bak /etc/nginx/nginx.conf
-    fi
     sed -i "1,/listen/{s/listen 443 ssl;/listen ${port} ssl;/}" ${nginx_conf}
     sed -i "/server_name/c \\\tserver_name ${domain};" ${nginx_conf}
     sed -i "/location/c \\\tlocation \/${camouflage}\/" ${nginx_conf}
     sed -i "/proxy_pass/c \\\tproxy_pass http://127.0.0.1:${PORT};" ${nginx_conf}
     sed -i "/return/c \\\treturn 301 https://${domain}\$request_uri;" ${nginx_conf}
-    sed -i "27i \\\tproxy_intercept_errors on;"  /etc/nginx/nginx.conf
+    sed -i "27i \\\tproxy_intercept_errors on;"  ${nginx_dir}/conf/nginx.conf
 }
 web_camouflage(){
     ##请注意 这里和LNMP脚本的默认路径冲突，千万不要在安装了LNMP的环境下使用本脚本，否则后果自负
     rm -rf /home/wwwroot && mkdir -p /home/wwwroot && cd /home/wwwroot
-    git clone https://github.com/wulabing/sCalc.git
+    git clone https://github.com/eyebluecn/levis.git
     judge "web 站点伪装"   
 }
 v2ray_install(){
@@ -191,21 +217,60 @@ v2ray_install(){
         echo -e "${Error} ${RedBG} V2ray 安装文件下载失败，请检查下载地址是否可用 ${Font}"
         exit 4
     fi
+    # 清除临时文件
+    rm -rf /root/v2ray
 }
 nginx_install(){
-    ${INS} install nginx -y
-    if [[ -d /etc/nginx ]];then
-        echo -e "${OK} ${GreenBG} nginx 安装完成 ${Font}"
-        sleep 2
-    else
-        echo -e "${Error} ${RedBG} nginx 安装失败 ${Font}"
-        exit 5
-    fi
-    if [[ ! -f /etc/nginx/nginx.conf.bak ]];then
-        cp /etc/nginx/nginx.conf /etc/nginx/nginx.conf.bak
-        echo -e "${OK} ${GreenBG} nginx 初始配置备份完成 ${Font}"
-        sleep 1
-    fi
+    wget -nc http://nginx.org/download/nginx-${nginx_version}.tar.gz -P ${nginx_openssl_src}
+    judge "Nginx 下载"
+    wget -nc https://www.openssl.org/source/openssl-${openssl_version}.tar.gz -P ${nginx_openssl_src}
+    judge "openssl 下载"
+
+    cd ${nginx_openssl_src}
+
+    [[ -d nginx-"$nginx_version" ]] && rm -rf nginx-"$nginx_version"
+    tar -zxvf nginx-"$nginx_version".tar.gz
+
+    [[ -d openssl-"$openssl_version" ]] && rm -rf openssl-"$openssl_version"
+    tar -zxvf openssl-"$openssl_version".tar.gz
+
+    [[ -d "$nginx_dir" ]] && rm -rf ${nginx_dir}
+
+    echo -e "${OK} ${GreenBG} 即将开始编译安装 Nginx, 过程稍久，请耐心等待 ${Font}"
+    sleep 4
+
+    cd nginx-${nginx_version}
+    ./configure --prefix="${nginx_dir}"                         \
+            --with-http_ssl_module                              \
+            --with-http_gzip_static_module                      \
+            --with-http_stub_status_module                      \
+            --with-pcre                                         \
+            --with-http_realip_module                           \
+            --with-http_flv_module                              \
+            --with-http_mp4_module                              \
+            --with-http_secure_link_module                      \
+            --with-http_v2_module                               \
+            --with-openssl=../openssl-"$openssl_version"
+    judge "编译检查"
+    make && make install
+    judge "Nginx 编译安装"
+
+    # 修改基本配置
+    sed -i 's/#user  nobody;/user  root;/' ${nginx_dir}/conf/nginx.conf
+    sed -i 's/worker_processes  1;/worker_processes  3;/' ${nginx_dir}/conf/nginx.conf
+    sed -i 's/    worker_connections  1024;/    worker_connections  4096;/' ${nginx_dir}/conf/nginx.conf
+    sed -i '$i include conf.d/*.conf;' ${nginx_dir}/conf/nginx.conf
+
+
+
+    # 删除临时文件
+    rm -rf nginx-"${nginx_version}"
+    rm -rf openssl-"${openssl_version}"
+    rm -rf ../nginx-"${nginx_version}".tar.gz
+    rm -rf ../openssl-"${openssl_version}".tar.gz
+
+    # 添加配置文件夹，适配旧版脚本
+    mkdir ${nginx_dir}/conf/conf.d
 }
 ssl_install(){
     if [[ "${ID}" == "centos" ]];then
@@ -217,10 +282,9 @@ ssl_install(){
 
     curl  https://get.acme.sh | sh
     judge "安装 SSL 证书生成脚本"
-
 }
 domain_check(){
-    stty erase '^H' && read -p "请输入你的域名信息(eg:www.wulabing.com):" domain
+    read -p "请输入你的域名信息(eg:www.wulabing.com):" domain
     domain_ip=`ping ${domain} -c 1 | sed '1{s/[^(]*(//;s/).*//;q}'`
     echo -e "${OK} ${GreenBG} 正在获取 公网ip 信息，请耐心等待 ${Font}"
     local_ip=`curl -4 ip.sb`
@@ -231,6 +295,7 @@ domain_check(){
         echo -e "${OK} ${GreenBG} 域名dns解析IP  与 本机IP 匹配 ${Font}"
         sleep 2
     else
+        echo -e "${Error} ${RedBG} 请确保域名添加了正确的 A 记录，否则将无法正常使用 V2ray（y/n)"
         echo -e "${Error} ${RedBG} 域名dns解析IP 与 本机IP 不匹配 是否继续安装？（y/n）${Font}" && read install
         case $install in
         [yY][eE][sS]|[yY])
@@ -264,7 +329,8 @@ acme(){
     if [[ $? -eq 0 ]];then
         echo -e "${OK} ${GreenBG} SSL 证书生成成功 ${Font}"
         sleep 2
-        ~/.acme.sh/acme.sh --installcert -d ${domain} --fullchainpath /etc/v2ray/v2ray.crt --keypath /etc/v2ray/v2ray.key --ecc
+        mkdir /data
+        ~/.acme.sh/acme.sh --installcert -d ${domain} --fullchainpath /data/v2ray.crt --keypath /data/v2ray.key --ecc
         if [[ $? -eq 0 ]];then
         echo -e "${OK} ${GreenBG} 证书配置成功 ${Font}"
         sleep 2
@@ -285,14 +351,13 @@ nginx_conf_add(){
     cat>${nginx_conf_dir}/v2ray.conf<<EOF
     server {
         listen 443 ssl;
-        ssl on;
-        ssl_certificate       /etc/v2ray/v2ray.crt;
-        ssl_certificate_key   /etc/v2ray/v2ray.key;
-        ssl_protocols         TLSv1 TLSv1.1 TLSv1.2;
-        ssl_ciphers           HIGH:!aNULL:!MD5;
+        ssl_certificate       /data/v2ray.crt;
+        ssl_certificate_key   /data/v2ray.key;
+        ssl_protocols         TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;
+        ssl_ciphers           TLS13-AES-256-GCM-SHA384:TLS13-CHACHA20-POLY1305-SHA256:TLS13-AES-128-GCM-SHA256:TLS13-AES-128-CCM-8-SHA256:TLS13-AES-128-CCM-SHA256:EECDH+CHACHA20:EECDH+CHACHA20-draft:EECDH+ECDSA+AES128:EECDH+aRSA+AES128:RSA+AES128:EECDH+ECDSA+AES256:EECDH+aRSA+AES256:RSA+AES256:EECDH+ECDSA+3DES:EECDH+aRSA+3DES:RSA+3DES:!MD5;
         server_name           serveraddr.com;
         index index.html index.htm;
-        root  /home/wwwroot/sCalc;
+        root  /home/wwwroot/levis;
         error_page 400 = /400.html;
         location /ray/ 
         {
@@ -318,50 +383,79 @@ judge "Nginx 配置修改"
 
 start_process_systemd(){
     ### nginx服务在安装完成后会自动启动。需要通过restart或reload重新加载配置
-    systemctl start nginx 
+    ${nginx_dir}/sbin/nginx
     judge "Nginx 启动"
 
-    systemctl enable nginx
+    sed -i '/nginx/d' /etc/rc.local
+	echo "${nginx_dir}/sbin/nginx" >> /etc/rc.local
     judge "设置 Nginx 开机自启"
 
     systemctl start v2ray
     judge "V2ray 启动"
+
+    systemctl enable v2ray
+    judge "设置 v2ray 开机自启"
 }
 
+#debian 系 9 10 适配
+rc_local_initialization(){
+    if [[ -f /etc/rc.local ]];then
+        chmod +x /etc/rc.local
+    else
+        touch /etc/rc.local && chmod +x /etc/rc.local
+        echo "#!/bin/bash" >> /etc/rc.local
+        systemctl start rc-local
+    fi
+
+    judge "rc.local 配置"
+}
 acme_cron_update(){
     if [[ "${ID}" == "centos" ]];then
-        sed -i "/acme.sh/c 0 0 * * 0 systemctl stop nginx && \"/root/.acme.sh\"/acme.sh --cron --home \"/root/.acme.sh\" \
-        > /dev/null && systemctl start nginx " /var/spool/cron/root
+        sed -i "/acme.sh/c 0 0 * * 0 /etc/nginx/sbin/nginx -s stop  && \"/root/.acme.sh\"/acme.sh --cron --home \"/root/.acme.sh\" \
+        > /dev/null && /etc/nginx/sbin/nginx" /var/spool/cron/root
     else
-        sed -i "/acme.sh/c 0 0 * * 0 systemctl stop nginx && \"/root/.acme.sh\"/acme.sh --cron --home \"/root/.acme.sh\" \
-        > /dev/null && systemctl start nginx " /var/spool/cron/crontabs/root
+        sed -i "/acme.sh/c 0 0 * * 0 /etc/nginx/sbin/nginx -s stop && \"/root/.acme.sh\"/acme.sh --cron --home \"/root/.acme.sh\" \
+        > /dev/null && /etc/nginx/sbin/nginx" /var/spool/cron/crontabs/root
     fi
     judge "cron 计划任务更新"
 }
 show_information(){
     clear
+    cd ~
 
-    echo -e "${OK} ${Green} V2ray+ws+tls 安装成功 "
-    echo -e "${Red} V2ray 配置信息 ${Font}"
-    echo -e "${Red} 地址（address）:${Font} ${domain} "
-    echo -e "${Red} 端口（port）：${Font} ${port} "
-    echo -e "${Red} 用户id（UUID）：${Font} ${UUID}"
-    echo -e "${Red} 额外id（alterId）：${Font} ${alterID}"
-    echo -e "${Red} 加密方式（security）：${Font} 自适应 "
-    echo -e "${Red} 传输协议（network）：${Font} ws "
-    echo -e "${Red} 伪装类型（type）：${Font} none "
-    echo -e "${Red} 路径（不要落下/）：${Font} /${camouflage}/ "
-    echo -e "${Red} 底层传输安全：${Font} tls "
+    echo -e "${OK} ${Green} V2ray+ws+tls 安装成功" >./v2ray_info.txt
+    echo -e "${Red} V2ray 配置信息 ${Font}" >>./v2ray_info.txt
+    echo -e "${Red} 地址（address）:${Font} ${domain} " >>./v2ray_info.txt
+    echo -e "${Red} 端口（port）：${Font} ${port} " >>./v2ray_info.txt
+    echo -e "${Red} 用户id（UUID）：${Font} ${UUID}" >>./v2ray_info.txt
+    echo -e "${Red} 额外id（alterId）：${Font} ${alterID}" >>./v2ray_info.txt
+    echo -e "${Red} 加密方式（security）：${Font} 自适应 " >>./v2ray_info.txt
+    echo -e "${Red} 传输协议（network）：${Font} ws " >>./v2ray_info.txt
+    echo -e "${Red} 伪装类型（type）：${Font} none " >>./v2ray_info.txt
+    echo -e "${Red} 路径（不要落下/）：${Font} /${camouflage}/ " >>./v2ray_info.txt
+    echo -e "${Red} 底层传输安全：${Font} tls " >>./v2ray_info.txt
 
-    
+    cat ./v2ray_info.txt
 
 }
-
+ssl_judge_and_install(){
+    if [[ -f "/data/v2ray.key" && -f "/data/v2ray.crt" ]];then
+        echo "证书文件已存在"
+    elif [[ -f "~/.acme.sh/${domain}_ecc/${domain}.key" && -f "~/.acme.sh/${domain}_ecc/${domain}.cer" ]];then
+        echo "证书文件已存在"
+        ~/.acme.sh/acme.sh --installcert -d ${domain} --fullchainpath /data/v2ray.crt --keypath /data/v2ray.key --ecc
+        judge "证书应用"
+    else
+        ssl_install
+        acme
+    fi
+}
 main(){
     is_root
     check_system
-    time_modify
+    chrony_install
     dependency_install
+    basic_optimization
     domain_check
     port_alterid_set
     v2ray_install
@@ -372,17 +466,14 @@ main(){
     nginx_conf_add
     web_camouflage
 
-    #改变证书安装位置，防止端口冲突关闭相关应用
-    systemctl stop nginx
-    systemctl stop v2ray
-    
     #将证书生成放在最后，尽量避免多次尝试脚本从而造成的多次证书申请
-    ssl_install
-    acme
+    ssl_judge_and_install
     
     show_information
+    rc_local_initialization
     start_process_systemd
     acme_cron_update
 }
 
 main
+