diff --git a/install.sh b/install.sh
old mode 100644
new mode 100755
index 205cffde..bedf6a89
--- a/install.sh
+++ b/install.sh
@@ -32,17 +32,17 @@ fi
 arch=$(arch)
 
 if [[ $arch == "x86_64" || $arch == "x64" || $arch == "amd64" ]]; then
-  arch="amd64"
+    arch="amd64"
 elif [[ $arch == "aarch64" || $arch == "arm64" ]]; then
-  arch="arm64"
+    arch="arm64"
 else
-  arch="amd64"
-  echo -e "${red}检测架构失败，使用默认架构: ${arch}${plain}"
+    arch="amd64"
+    echo -e "${red}检测架构失败，使用默认架构: ${arch}${plain}"
 fi
 
 echo "架构: ${arch}"
 
-if [ $(getconf WORD_BIT) != '32' ] && [ $(getconf LONG_BIT) != '64' ] ; then
+if [ $(getconf WORD_BIT) != '32' ] && [ $(getconf LONG_BIT) != '64' ]; then
     echo "本软件不支持 32 位系统(x86)，请使用 64 位系统(x86_64)，如果检测有误，请联系作者"
     exit -1
 fi
@@ -79,11 +79,32 @@ install_base() {
     fi
 }
 
+#This function will be called when user installed x-ui out of sercurity
+config_after_install() {
+    echo -e "${yellow}出于安全考虑，安装完成后需要强制修改端口与账户密码${plain}"
+    read -p "请设置您的账户名:" config_account
+    echo -e "${yellow}您的账户名将设定为:${config_account}${plain}"
+    read -p "请设置您的账户密码:" config_password
+    echo -e "${yellow}您的账户密码将设定为:${config_password}${plain}"
+    read -p "请设置面板访问端口:" config_port
+    echo -e "${yellow}您的面板访问端口将设定为:${config_port}${plain}"
+    read -p "确认设定完成？[y/n]": config_confirm
+    if [[ x"${config_confirm}" == x"y" || x"${config_confirm}" == x"Y" ]]; then
+        echo -e "${yellow}确认设定,设定中${plain}"
+        /usr/local/x-ui/x-ui setting -username ${config_account} -password ${config_password}
+        echo -e "${yellow}账户密码设定完成${plain}"
+        /usr/local/x-ui/x-ui setting -port ${config_port}
+        echo -e "${yellow}面板端口设定完成${plain}"
+    else
+        echo -e "${red}已取消,所有设置项均为默认设置,请及时修改${plain}"
+    fi
+}
+
 install_x-ui() {
     systemctl stop x-ui
     cd /usr/local/
 
-    if  [ $# == 0 ] ;then
+    if [ $# == 0 ]; then
         last_version=$(curl -Ls "https://api.github.com/repos/vaxilu/x-ui/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
         if [[ ! -n "$last_version" ]]; then
             echo -e "${red}检测 x-ui 版本失败，可能是超出 Github API 限制，请稍后再试，或手动指定 x-ui 版本安装${plain}"
@@ -116,18 +137,20 @@ install_x-ui() {
     chmod +x x-ui bin/xray-linux-${arch}
     cp -f x-ui.service /etc/systemd/system/
     wget --no-check-certificate -O /usr/bin/x-ui https://raw.githubusercontent.com/vaxilu/x-ui/main/x-ui.sh
+    chmod +x /usr/local/x-ui/x-ui.sh
     chmod +x /usr/bin/x-ui
+    config_after_install
+    #echo -e "如果是全新安装，默认网页端口为 ${green}54321${plain}，用户名和密码默认都是 ${green}admin${plain}"
+    #echo -e "请自行确保此端口没有被其他程序占用，${yellow}并且确保 54321 端口已放行${plain}"
+    #    echo -e "若想将 54321 修改为其它端口，输入 x-ui 命令进行修改，同样也要确保你修改的端口也是放行的"
+    #echo -e ""
+    #echo -e "如果是更新面板，则按你之前的方式访问面板"
+    #echo -e ""
     systemctl daemon-reload
     systemctl enable x-ui
     systemctl start x-ui
     echo -e "${green}x-ui v${last_version}${plain} 安装完成，面板已启动，"
     echo -e ""
-    echo -e "如果是全新安装，默认网页端口为 ${green}54321${plain}，用户名和密码默认都是 ${green}admin${plain}"
-    echo -e "请自行确保此端口没有被其他程序占用，${yellow}并且确保 54321 端口已放行${plain}"
-#    echo -e "若想将 54321 修改为其它端口，输入 x-ui 命令进行修改，同样也要确保你修改的端口也是放行的"
-    echo -e ""
-    echo -e "如果是更新面板，则按你之前的方式访问面板"
-    echo -e ""
     echo -e "x-ui 管理脚本使用方法: "
     echo -e "----------------------------------------------"
     echo -e "x-ui              - 显示管理菜单 (功能更多)"
diff --git a/x-ui.sh b/x-ui.sh
index dad3f8b0..48dc8d3e 100644
--- a/x-ui.sh
+++ b/x-ui.sh
@@ -5,8 +5,20 @@ green='\033[0;32m'
 yellow='\033[0;33m'
 plain='\033[0m'
 
+#Add some basic function here
+function LOGD() {
+    echo -e "${yellow}[DEG] $* ${plain}"
+}
+
+function LOGE() {
+    echo -e "${red}[ERR] $* ${plain}"
+}
+
+function LOGI() {
+    echo -e "${green}[INF] $* ${plain}"
+}
 # check root
-[[ $EUID -ne 0 ]] && echo -e "${red}错误: ${plain} 必须使用root用户运行此脚本！\n" && exit 1
+[[ $EUID -ne 0 ]] && LOGE "错误:  必须使用root用户运行此脚本！\n" && exit 1
 
 # check os
 if [[ -f /etc/redhat-release ]]; then
@@ -24,7 +36,7 @@ elif cat /proc/version | grep -Eqi "ubuntu"; then
 elif cat /proc/version | grep -Eqi "centos|red hat|redhat"; then
     release="centos"
 else
-    echo -e "${red}未检测到系统版本，请联系脚本作者！${plain}\n" && exit 1
+    LOGE "未检测到系统版本，请联系脚本作者！\n" && exit 1
 fi
 
 os_version=""
@@ -39,15 +51,15 @@ fi
 
 if [[ x"${release}" == x"centos" ]]; then
     if [[ ${os_version} -le 6 ]]; then
-        echo -e "${red}请使用 CentOS 7 或更高版本的系统！${plain}\n" && exit 1
+        LOGE "请使用 CentOS 7 或更高版本的系统！\n" && exit 1
     fi
 elif [[ x"${release}" == x"ubuntu" ]]; then
     if [[ ${os_version} -lt 16 ]]; then
-        echo -e "${red}请使用 Ubuntu 16 或更高版本的系统！${plain}\n" && exit 1
+        LOGE "请使用 Ubuntu 16 或更高版本的系统！\n" && exit 1
     fi
 elif [[ x"${release}" == x"debian" ]]; then
     if [[ ${os_version} -lt 8 ]]; then
-        echo -e "${red}请使用 Debian 8 或更高版本的系统！${plain}\n" && exit 1
+        LOGE "请使用 Debian 8 或更高版本的系统！\n" && exit 1
     fi
 fi
 
@@ -95,7 +107,7 @@ install() {
 update() {
     confirm "本功能会强制重装当前最新版，数据不会丢失，是否继续?" "n"
     if [[ $? != 0 ]]; then
-        echo -e "${red}已取消${plain}"
+        LOGE "已取消"
         if [[ $# == 0 ]]; then
             before_show_menu
         fi
@@ -103,7 +115,7 @@ update() {
     fi
     bash <(curl -Ls https://raw.githubusercontent.com/vaxilu/x-ui/master/install.sh)
     if [[ $? == 0 ]]; then
-        echo -e "${green}更新完成，已自动重启面板${plain}"
+        LOGI "更新完成，已自动重启面板 "
         exit 0
     fi
 }
@@ -162,7 +174,7 @@ reset_config() {
 set_port() {
     echo && echo -n -e "输入端口号[1-65535]: " && read port
     if [[ -z "${port}" ]]; then
-        echo -e "${yellow}已取消${plain}"
+        LOGD "已取消"
         before_show_menu
     else
         /usr/local/x-ui/x-ui setting -port ${port}
@@ -175,15 +187,15 @@ start() {
     check_status
     if [[ $? == 0 ]]; then
         echo ""
-        echo -e "${green}面板已运行，无需再次启动，如需重启请选择重启${plain}"
+        LOGI "面板已运行，无需再次启动，如需重启请选择重启"
     else
         systemctl start x-ui
         sleep 2
         check_status
         if [[ $? == 0 ]]; then
-            echo -e "${green}x-ui 启动成功${plain}"
+            LOGI "x-ui 启动成功"
         else
-            echo -e "${red}面板启动失败，可能是因为启动时间超过了两秒，请稍后查看日志信息${plain}"
+            LOGE "面板启动失败，可能是因为启动时间超过了两秒，请稍后查看日志信息"
         fi
     fi
 
@@ -196,15 +208,15 @@ stop() {
     check_status
     if [[ $? == 1 ]]; then
         echo ""
-        echo -e "${green}面板已停止，无需再次停止${plain}"
+        LOGI "面板已停止，无需再次停止"
     else
         systemctl stop x-ui
         sleep 2
         check_status
         if [[ $? == 1 ]]; then
-            echo -e "${green}x-ui 与 xray 停止成功${plain}"
+            LOGI "x-ui 与 xray 停止成功"
         else
-            echo -e "${red}面板停止失败，可能是因为停止时间超过了两秒，请稍后查看日志信息${plain}"
+            LOGE "面板停止失败，可能是因为停止时间超过了两秒，请稍后查看日志信息"
         fi
     fi
 
@@ -218,9 +230,9 @@ restart() {
     sleep 2
     check_status
     if [[ $? == 0 ]]; then
-        echo -e "${green}x-ui 与 xray 重启成功${plain}"
+        LOGI "x-ui 与 xray 重启成功"
     else
-        echo -e "${red}面板重启失败，可能是因为启动时间超过了两秒，请稍后查看日志信息${plain}"
+        LOGE "面板重启失败，可能是因为启动时间超过了两秒，请稍后查看日志信息"
     fi
     if [[ $# == 0 ]]; then
         before_show_menu
@@ -237,9 +249,9 @@ status() {
 enable() {
     systemctl enable x-ui
     if [[ $? == 0 ]]; then
-        echo -e "${green}x-ui 设置开机自启成功${plain}"
+        LOGI "x-ui 设置开机自启成功"
     else
-        echo -e "${red}x-ui 设置开机自启失败${plain}"
+        LOGE "x-ui 设置开机自启失败"
     fi
 
     if [[ $# == 0 ]]; then
@@ -250,9 +262,9 @@ enable() {
 disable() {
     systemctl disable x-ui
     if [[ $? == 0 ]]; then
-        echo -e "${green}x-ui 取消开机自启成功${plain}"
+        LOGI "x-ui 取消开机自启成功"
     else
-        echo -e "${red}x-ui 取消开机自启失败${plain}"
+        LOGE "x-ui 取消开机自启失败"
     fi
 
     if [[ $# == 0 ]]; then
@@ -284,11 +296,11 @@ update_shell() {
     wget -O /usr/bin/x-ui -N --no-check-certificate https://github.com/vaxilu/x-ui/raw/master/x-ui.sh
     if [[ $? != 0 ]]; then
         echo ""
-        echo -e "${red}下载脚本失败，请检查本机能否连接 Github${plain}"
+        LOGE "下载脚本失败，请检查本机能否连接 Github"
         before_show_menu
     else
         chmod +x /usr/bin/x-ui
-        echo -e "${green}升级脚本成功，请重新运行脚本${plain}" && exit 0
+        LOGI "升级脚本成功，请重新运行脚本" && exit 0
     fi
 }
 
@@ -310,7 +322,7 @@ check_enabled() {
     if [[ x"${temp}" == x"enabled" ]]; then
         return 0
     else
-        return 1;
+        return 1
     fi
 }
 
@@ -318,7 +330,7 @@ check_uninstall() {
     check_status
     if [[ $? != 2 ]]; then
         echo ""
-        echo -e "${red}面板已安装，请不要重复安装${plain}"
+        LOGE "面板已安装，请不要重复安装"
         if [[ $# == 0 ]]; then
             before_show_menu
         fi
@@ -332,7 +344,7 @@ check_install() {
     check_status
     if [[ $? == 2 ]]; then
         echo ""
-        echo -e "${red}请先安装面板${plain}"
+        LOGE "请先安装面板"
         if [[ $# == 0 ]]; then
             before_show_menu
         fi
@@ -345,16 +357,17 @@ check_install() {
 show_status() {
     check_status
     case $? in
-        0)
-            echo -e "面板状态: ${green}已运行${plain}"
-            show_enable_status
-            ;;
-        1)
-            echo -e "面板状态: ${yellow}未运行${plain}"
-            show_enable_status
-            ;;
-        2)
-            echo -e "面板状态: ${red}未安装${plain}"
+    0)
+        echo -e "面板状态: ${green}已运行${plain}"
+        show_enable_status
+        ;;
+    1)
+        echo -e "面板状态: ${yellow}未运行${plain}"
+        show_enable_status
+        ;;
+    2)
+        echo -e "面板状态: ${red}未安装${plain}"
+        ;;
     esac
     show_xray_status
 }
@@ -386,6 +399,81 @@ show_xray_status() {
     fi
 }
 
+ssl_cert_issue() {
+    echo -E ""
+    LOGD "******使用说明******"
+    LOGI "该脚本将使用Acme脚本申请证书,使用时需保证:"
+    LOGI "1.知晓Cloudflare 注册邮箱"
+    LOGI "2.知晓Cloudflare Global API Key"
+    LOGI "3.域名已通过Cloudflare进行解析到当前服务器"
+    LOGI "4.该脚本申请证书默认安装路径为/root/cert目录"
+    confirm "我已确认以上内容[y/n]" "y"
+    if [ $? -eq 0 ]; then
+        cd ~
+        LOGI "安装Acme脚本"
+        curl https://get.acme.sh | sh
+        if [ $? -ne 0 ]; then
+            LOGE "安装acme脚本失败"
+            exit 1
+        fi
+        CF_Domain=""
+        CF_GlobalKey=""
+        CF_AccountEmail=""
+        certPath=/root/cert
+        if [ ! -d "$certPath" ]; then
+            mkdir $certPath
+        else
+            rm -rf $certPath
+            mkdir $certPath
+        fi
+        LOGD "请设置域名:"
+        read -p "Input your domain here:" CF_Domain
+        LOGD "你的域名设置为:${CF_Domain}"
+        LOGD "请设置API密钥:"
+        read -p "Input your key here:" CF_GlobalKey
+        LOGD "你的API密钥为:${CF_GlobalKey}"
+        LOGD "请设置注册邮箱:"
+        read -p "Input your email here:" CF_AccountEmail
+        LOGD "你的注册邮箱为:${CF_AccountEmail}"
+        ~/.acme.sh/acme.sh --set-default-ca --server letsencrypt
+        if [ $? -ne 0 ]; then
+            LOGE "修改默认CA为Lets'Encrypt失败,脚本退出"
+            exit 1
+        fi
+        export CF_Key="${CF_GlobalKey}"
+        export CF_Email=${CF_AccountEmail}
+        ~/.acme.sh/acme.sh --issue --dns dns_cf -d ${CF_Domain} -d *.${CF_Domain} --log
+        if [ $? -ne 0 ]; then
+            LOGDE "证书签发失败,脚本退出"
+            exit 1
+        else
+            LOGDI "证书签发成功,安装中..."
+        fi
+        ~/.acme.sh/acme.sh --installcert -d ${CF_Domain} -d *.${CF_Domain} --ca-file /root/cert/ca.cer \
+            --cert-file /root/cert/${CF_Domain}.cer --key-file /root/cert/${CF_Domain}.key \
+            --fullchain-file /root/cert/fullchain.cer
+        if [ $? -ne 0 ]; then
+            LOGE "证书安装失败,脚本退出"
+            exit 1
+        else
+            LOGDI "证书安装成功,开启自动更新..."
+        fi
+        ~/.acme.sh/acme.sh --upgrade --auto-upgrade
+        if [ $? -ne 0 ]; then
+            LOGE "自动更新设置失败,脚本退出"
+            ls -lah cert
+            chmod 755 $certPath
+            exit 1
+        else
+            LOGI "证书已安装且已开启自动更新,具体信息如下"
+            ls -lah cert
+            chmod 755 $certPath
+        fi
+    else
+        show_menu
+    fi
+}
+
 show_usage() {
     echo "x-ui 管理脚本使用方法: "
     echo "------------------------------------------"
@@ -427,72 +515,102 @@ show_menu() {
  ${green}13.${plain} 取消 x-ui 开机自启
 ————————————————
  ${green}14.${plain} 一键安装 bbr (最新内核)
+ ${green}15.${plain} 一键申请SSL证书(acme申请)
  "
     show_status
     echo && read -p "请输入选择 [0-14]: " num
 
     case "${num}" in
-        0) exit 0
+    0)
+        exit 0
         ;;
-        1) check_uninstall && install
+    1)
+        check_uninstall && install
         ;;
-        2) check_install && update
+    2)
+        check_install && update
         ;;
-        3) check_install && uninstall
+    3)
+        check_install && uninstall
         ;;
-        4) check_install && reset_user
+    4)
+        check_install && reset_user
         ;;
-        5) check_install && reset_config
+    5)
+        check_install && reset_config
         ;;
-        6) check_install && set_port
+    6)
+        check_install && set_port
         ;;
-        7) check_install && start
+    7)
+        check_install && start
         ;;
-        8) check_install && stop
+    8)
+        check_install && stop
         ;;
-        9) check_install && restart
+    9)
+        check_install && restart
         ;;
-        10) check_install && status
+    10)
+        check_install && status
         ;;
-        11) check_install && show_log
+    11)
+        check_install && show_log
         ;;
-        12) check_install && enable
+    12)
+        check_install && enable
         ;;
-        13) check_install && disable
+    13)
+        check_install && disable
         ;;
-        14) install_bbr
+    14)
+        install_bbr
         ;;
-        *) echo -e "${red}请输入正确的数字 [0-14]${plain}"
+    15)
+        ssl_cert_issue
+        ;;
+    *)
+        LOGE "请输入正确的数字 [0-14]"
         ;;
     esac
 }
 
-
 if [[ $# > 0 ]]; then
     case $1 in
-        "start") check_install 0 && start 0
+    "start")
+        check_install 0 && start 0
         ;;
-        "stop") check_install 0 && stop 0
+    "stop")
+        check_install 0 && stop 0
         ;;
-        "restart") check_install 0 && restart 0
+    "restart")
+        check_install 0 && restart 0
         ;;
-        "status") check_install 0 && status 0
+    "status")
+        check_install 0 && status 0
         ;;
-        "enable") check_install 0 && enable 0
+    "enable")
+        check_install 0 && enable 0
         ;;
-        "disable") check_install 0 && disable 0
+    "disable")
+        check_install 0 && disable 0
         ;;
-        "log") check_install 0 && show_log 0
+    "log")
+        check_install 0 && show_log 0
         ;;
-        "v2-ui") check_install 0 && migrate_v2_ui 0
+    "v2-ui")
+        check_install 0 && migrate_v2_ui 0
         ;;
-        "update") check_install 0 && update 0
+    "update")
+        check_install 0 && update 0
         ;;
-        "install") check_uninstall 0 && install 0
+    "install")
+        check_uninstall 0 && install 0
         ;;
-        "uninstall") check_install 0 && uninstall 0
+    "uninstall")
+        check_install 0 && uninstall 0
         ;;
-        *) show_usage
+    *) show_usage ;;
     esac
 else
     show_menu