diff --git a/script/install.deb.sh b/script/install.deb.sh
index acbcc0f..f25cef1 100755
--- a/script/install.deb.sh
+++ b/script/install.deb.sh
@@ -16,6 +16,10 @@ declare -r RESET="\033[0m"
 CONFIG_DIR="/etc/xxxig"
 LOG_DIR="/var/log/xxxig"
 CONFIG_FILE="$CONFIG_DIR/config.json"
+HUGEPAGES_HELPER="/usr/local/libexec/xxxig-enable-1gb-pages"
+HUGEPAGES_SERVICE="/etc/systemd/system/xxxig-hugepages.service"
+DAEMON_DROPIN_DIR="/etc/systemd/system/xxxig-daemon.service.d"
+DAEMON_DROPIN="$DAEMON_DROPIN_DIR/installer.conf"
 
 # Gitea 配置
 GITEA_SERVER="gitea.bcde.io"
@@ -34,6 +38,7 @@ DEFAULT_ONE_GB_PAGES="false"
 DEFAULT_VERBOSE="true"
 DEFAULT_CC_ENABLED="false"
 DEFAULT_CC_TLS="false"
+DEFAULT_KEEP_NAME="false"
 
 # 辅助函数
 log() { echo -e "${1}${2}${RESET}"; }
@@ -61,15 +66,16 @@ add_apt_repository() {
 
 # 卸载旧版本
 uninstall_xxxig() {
-    systemctl stop xxxig-daemon xxxig-server 2>/dev/null || true
-    systemctl disable xxxig-daemon xxxig-server 2>/dev/null || true
+    systemctl stop xxxig-daemon xxxig-server xxxig-hugepages 2>/dev/null || true
+    systemctl disable xxxig-daemon xxxig-server xxxig-hugepages 2>/dev/null || true
     apt-get remove -y xxxig 2>/dev/null || true
     rm -rf "$CONFIG_DIR" "$LOG_DIR" /etc/apt/sources.list.d/xxxig.list
+    rm -f "$HUGEPAGES_HELPER" "$HUGEPAGES_SERVICE" "$DAEMON_DROPIN"
     systemctl daemon-reload 2>/dev/null || true
 }
 
-# 安装并启动服务
-install_and_start() {
+# 安装软件包，配置完成后再启动服务
+install_xxxig() {
     log "$BLUE" "安装 XXXig $version..."
     if [[ "$version" == "latest" ]]; then
         apt-get install -y xxxig
@@ -77,10 +83,79 @@ install_and_start() {
         apt-get install -y xxxig="${version#v}"
     fi
 
+    log "$GREEN" "安装完成"
+}
+
+write_hugepages_helper() {
+    mkdir -p "$(dirname "$HUGEPAGES_HELPER")"
+    cat >"$HUGEPAGES_HELPER" <<'EOF'
+#!/bin/sh
+set -eu
+
+sysctl -w vm.nr_hugepages="$(nproc)"
+
+found=0
+for node in /sys/devices/system/node/node*; do
+    file="$node/hugepages/hugepages-1048576kB/nr_hugepages"
+    [ -e "$file" ] || continue
+    printf '3\n' >"$file"
+    actual=$(cat "$file")
+    [ "$actual" -ge 3 ] || exit 1
+    found=1
+done
+
+[ "$found" -eq 1 ]
+EOF
+    chmod 755 "$HUGEPAGES_HELPER"
+}
+
+write_hugepages_service() {
+    cat >"$HUGEPAGES_SERVICE" <<EOF
+[Unit]
+Description=Reserve Huge Pages for XXXig
+Before=xxxig-daemon.service
+ConditionPathExists=/sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages
+
+[Service]
+Type=oneshot
+ExecStart=$HUGEPAGES_HELPER
+
+[Install]
+WantedBy=multi-user.target
+EOF
+}
+
+write_daemon_dropin() {
+    mkdir -p "$DAEMON_DROPIN_DIR"
+    {
+        echo "[Unit]"
+        if [[ "$one_gb_pages" == "true" ]]; then
+            echo "Requires=xxxig-hugepages.service"
+            echo "After=xxxig-hugepages.service"
+        fi
+        echo
+        echo "[Service]"
+        echo "ReadWritePaths=$LOG_DIR $CONFIG_DIR"
+    } >"$DAEMON_DROPIN"
+}
+
+configure_hugepages() {
+    write_daemon_dropin
+    [[ "$one_gb_pages" == "true" ]] || return 0
+
+    log "$BLUE" "配置 1GB Huge Pages 持久池..."
+    write_hugepages_helper
+    write_hugepages_service
+    log "$GREEN" "1GB Huge Pages 初始化服务配置完成"
+}
+
+start_service() {
     log "$BLUE" "启动服务..."
     systemctl daemon-reload
+    if [[ "$one_gb_pages" == "true" ]]; then
+        systemctl enable xxxig-hugepages.service
+    fi
     systemctl enable --now xxxig-daemon.service
-    log "$GREEN" "安装完成"
 }
 
 # 配置 CPU 亲和性
@@ -102,6 +177,29 @@ configure_cpu_rx() {
 }
 
 # 更新配置文件
+append_pool_options() {
+    [[ "$one_gb_pages" == "true" ]] && jq_cmd+=' | .randomx."1gb-pages" = true'
+    [[ "$pool_keepalive" == "true" ]] && jq_cmd+=' | .pools[0].keepalive = true'
+    [[ -n "$pool_tls_fingerprint" ]] && \
+        jq_cmd+=" | .pools[0].\"tls-fingerprint\" = \"$pool_tls_fingerprint\""
+    [[ "$pool_daemon" == "true" ]] && jq_cmd+=' | .pools[0].daemon = true'
+    [[ "$pool_submit_to_origin" == "true" ]] && \
+        jq_cmd+=" | .pools[0].\"submit-to-origin\" = true | .pools[0].\"self-select\" = \"$pool_self_select\""
+    return 0
+}
+
+append_cc_options() {
+    if [[ "$cc_enabled" == "true" ]]; then
+        jq_cmd+=" | .\"cc-client\".enabled = true
+        | .\"cc-client\".servers[0].url = \"$cc_url\"
+        | .\"cc-client\".servers[0].\"access-token\" = \"$cc_token\"
+        | .\"cc-client\".servers[0].\"use-tls\" = $cc_tls
+        | .\"cc-client\".\"worker-id\" = \"$cc_work_id\""
+    else
+        jq_cmd+=' | ."cc-client".enabled = false'
+    fi
+}
+
 replace_config() {
     [[ ! -f "$CONFIG_FILE" ]] && error "配置文件缺失"
 
@@ -116,33 +214,17 @@ replace_config() {
     | .pools[0].nicehash = $pool_nicehash
     | .\"verbose\" = $verbose"
 
-    [[ "$one_gb_pages" == "true" ]] && jq_cmd+=" | .randomx.\"1gb-pages\" = true"
-    [[ "$pool_keepalive" == "true" ]] && jq_cmd+=" | .pools[0].keepalive = true"
-    [[ -n "$pool_tls_fingerprint" ]] && jq_cmd+=" | .pools[0].\"tls-fingerprint\" = \"$pool_tls_fingerprint\""
-    [[ "$pool_daemon" == "true" ]] && jq_cmd+=" | .pools[0].daemon = true"
-
-    if [[ "$pool_submit_to_origin" == "true" ]]; then
-        jq_cmd+=" | .pools[0].\"submit-to-origin\" = true | .pools[0].\"self-select\" = \"$pool_self_select\""
-    fi
-
-    if [[ "$cc_enabled" == "true" ]]; then
-        jq_cmd+=" | .\"cc-client\".enabled = true
-        | .\"cc-client\".servers[0].url = \"$cc_url\"
-        | .\"cc-client\".servers[0].\"access-token\" = \"$cc_token\"
-        | .\"cc-client\".servers[0].\"use-tls\" = $cc_tls
-        | .\"cc-client\".\"worker-id\" = \"$cc_work_id\""
-    else
-        jq_cmd+=" | .\"cc-client\".enabled = false"
-    fi
-
+    append_pool_options
+    append_cc_options
     jq "$jq_cmd" "$CONFIG_FILE" >"$CONFIG_FILE.tmp" && mv "$CONFIG_FILE.tmp" "$CONFIG_FILE"
     configure_cpu_rx
+    chown xxxig:xxxig "$CONFIG_FILE"
+    chmod 640 "$CONFIG_FILE"
 }
 
 show_usage() {
     cat <<EOF
 用法: $0 [选项]
-
 选项:
   -v, --version <版本>     XXXig 版本 (默认: $DEFAULT_VERSION)
   -t, --threads <数字>     线程数 (默认: 自动)
@@ -163,15 +245,14 @@ show_usage() {
   --cc-work-id <ID>        CC 工作 ID
   --cc-token <令牌>        CC 访问令牌
   --cc-tls                 启用 CC TLS
+  --keep-name              保留已有矿池密码和 CC worker-id
   -h, --help               显示帮助信息
-
-示例:
   $0 -o pool.example.com:3333 -w YOUR_WALLET_ADDRESS
 EOF
     exit 1
 }
 
-parse_args() {
+init_args() {
     version=$DEFAULT_VERSION
     threads=$DEFAULT_THREADS
     pool_algo=$DEFAULT_POOL_ALGO
@@ -192,7 +273,10 @@ parse_args() {
     cc_token=""
     cc_tls=$DEFAULT_CC_TLS
     one_gb_pages=$DEFAULT_ONE_GB_PAGES
+    keep_name=$DEFAULT_KEEP_NAME
+}
 
+read_args() {
     while [[ $# -gt 0 ]]; do
         case "$1" in
         -v | --version) version="$2"; shift 2 ;;
@@ -215,21 +299,26 @@ parse_args() {
         --verbose) verbose="true"; shift ;;
         --cc) cc_enabled="true"; shift ;;
         --cc-tls) cc_tls="true"; shift ;;
+        --keep-name | --preserve-name) keep_name="true"; shift ;;
         -h | --help) show_usage ;;
         *) error "无效选项: $1" ;;
         esac
     done
+}
 
-    # 验证必需参数
+validate_args() {
     [[ -z "$pool_address" ]] && error "矿池地址不能为空"
     [[ ! "$threads" =~ ^[0-9]+$ ]] && error "无效线程数"
     [[ "$pool_submit_to_origin" == "true" && -z "$pool_self_select" ]] && \
         error "启用 submit_to_origin 必须设置 self_select"
+    return 0
+}
 
-    # 处理默认值
+resolve_defaults() {
+    local ip random_str
     if [[ -z "$pool_password" ]]; then
-        local ip=$(curl -4s --retry 3 --connect-timeout 10 ifconfig.me 2>/dev/null || echo "0.0.0.0")
-        local random_str=$(tr -dc '0-9a-zA-Z' </dev/urandom | head -c 5)
+        ip=$(curl -4s --retry 3 --connect-timeout 10 ifconfig.me 2>/dev/null || echo "0.0.0.0")
+        random_str=$(tr -dc '0-9a-zA-Z' </dev/urandom | head -c 5)
         pool_password=$(echo "$ip" | awk -F. '{print $3"_"$4}')"_$random_str"
     fi
 
@@ -241,16 +330,38 @@ parse_args() {
     elif [[ "$threads" -gt $(nproc) ]]; then
         threads=$(nproc)
     fi
+    return 0
 }
 
-main() {
-    parse_args "$@"
-    check_os
+load_preserved_name() {
+    local old_password old_work_id preserved="false"
+    [[ "$keep_name" == "true" && -f "$CONFIG_FILE" ]] || return 0
+    old_password=$(jq -r '.pools[0].pass // empty' "$CONFIG_FILE" 2>/dev/null || true)
+    old_work_id=$(jq -r '."cc-client"."worker-id" // empty' "$CONFIG_FILE" 2>/dev/null || true)
+    if [[ -z "$pool_password" && -n "$old_password" ]]; then
+        pool_password=$old_password
+        preserved="true"
+    fi
+    if [[ -z "$cc_work_id" && -n "$old_work_id" ]]; then
+        cc_work_id=$old_work_id
+        preserved="true"
+    fi
+    [[ "$preserved" == "true" ]] && log "$GREEN" "已保留原矿工名称"
+    return 0
+}
 
-    # 检查并安装依赖
+parse_args() {
+    init_args
+    read_args "$@"
+    validate_args
+}
+
+install_dependencies() {
     command -v curl &>/dev/null || apt-get install -y curl
     command -v jq &>/dev/null || apt-get install -y jq
+}
 
+show_config() {
     log "$BLUE" "配置信息:"
     echo "  版本: $version"
     echo "  架构: $(get_arch)"
@@ -258,12 +369,21 @@ main() {
     echo "  算法: $pool_algo"
     echo "  矿池: $pool_address"
     echo "  钱包: $wallet_address"
+}
 
+main() {
+    parse_args "$@"
+    check_os
+    install_dependencies
+    load_preserved_name
+    resolve_defaults
+    show_config
     uninstall_xxxig
     add_apt_repository
-    install_and_start
+    install_xxxig
     replace_config
-    systemctl restart xxxig-daemon.service
+    configure_hugepages
+    start_service
 
     echo "管理命令:"
     echo "  systemctl status xxxig-daemon"
diff --git a/script/install.sh b/script/install.sh
index a284997..aff55c3 100644
--- a/script/install.sh
+++ b/script/install.sh
@@ -16,6 +16,10 @@ declare -r RESET="\033[0m"
 INSTALL_DIR="/etc/miner/xxxig"
 CONFIG_FILE="$INSTALL_DIR/config.json"
 LOG_FILE="$INSTALL_DIR/xxxig.log"
+HUGEPAGES_HELPER="/usr/local/libexec/xxxig-enable-1gb-pages"
+HUGEPAGES_SERVICE="/etc/systemd/system/xxxig-hugepages.service"
+SYSTEMD_DROPIN_DIR="/etc/systemd/system/xxxig.service.d"
+SYSTEMD_DROPIN="$SYSTEMD_DROPIN_DIR/hugepages.conf"
 
 # Gitea 配置
 GITEA_SERVER="gitea.bcde.io"
@@ -36,6 +40,7 @@ DEFAULT_ONE_GB_PAGES="false"
 DEFAULT_VERBOSE="true"
 DEFAULT_CC_ENABLED="false"
 DEFAULT_CC_TLS="false"
+DEFAULT_KEEP_NAME="false"
 
 # 辅助函数
 log() { echo -e "${1}${2}${RESET}"; }
@@ -67,12 +72,17 @@ get_gitea_latest_version() {
 uninstall_xxxig() {
     if [[ $os_type == "alpine" ]]; then
         rc-service xxxig stop 2>/dev/null || true
+        rc-service xxxig-hugepages stop 2>/dev/null || true
         rc-update del xxxig default 2>/dev/null || true
-        rm -rf "$INSTALL_DIR" /etc/init.d/xxxig
+        rc-update del xxxig-hugepages default 2>/dev/null || true
+        rm -rf "$INSTALL_DIR" /etc/init.d/xxxig /etc/init.d/xxxig-hugepages
+        rm -f "$HUGEPAGES_HELPER" "$HUGEPAGES_SERVICE"
     else
-        systemctl stop xxxig 2>/dev/null || true
-        systemctl disable xxxig 2>/dev/null || true
+        systemctl stop xxxig xxxig-hugepages 2>/dev/null || true
+        systemctl disable xxxig xxxig-hugepages 2>/dev/null || true
         rm -rf "$INSTALL_DIR" /etc/systemd/system/xxxig.service
+        rm -f "$SYSTEMD_DROPIN" "$HUGEPAGES_HELPER" "$HUGEPAGES_SERVICE"
+        rmdir "$SYSTEMD_DROPIN_DIR" 2>/dev/null || true
         systemctl daemon-reload 2>/dev/null || true
     fi
 }
@@ -90,6 +100,98 @@ install_xxxig() {
     chmod +x "$INSTALL_DIR/xxxigDaemon" "$INSTALL_DIR/xxxig"
 }
 
+create_xxxig_user() {
+    if [[ "$os_type" == "alpine" ]]; then
+        getent group xxxig >/dev/null || addgroup -S xxxig
+        getent passwd xxxig >/dev/null || \
+            adduser -S -D -H -h "$INSTALL_DIR" -s /sbin/nologin -G xxxig xxxig
+    else
+        getent group xxxig >/dev/null || addgroup --system xxxig
+        getent passwd xxxig >/dev/null || \
+            adduser --system --ingroup xxxig --no-create-home \
+                --home "$INSTALL_DIR" --shell /usr/sbin/nologin xxxig
+    fi
+}
+
+set_runtime_permissions() {
+    touch "$LOG_FILE"
+    chown -R root:root "$INSTALL_DIR"
+    chown xxxig:xxxig "$CONFIG_FILE" "$LOG_FILE"
+    chmod 640 "$CONFIG_FILE"
+    chmod 640 "$LOG_FILE"
+    chmod 755 "$INSTALL_DIR" "$INSTALL_DIR/xxxigDaemon" "$INSTALL_DIR/xxxig"
+}
+
+write_hugepages_helper() {
+    mkdir -p "$(dirname "$HUGEPAGES_HELPER")"
+    cat >"$HUGEPAGES_HELPER" <<'EOF'
+#!/bin/sh
+set -eu
+
+sysctl -w vm.nr_hugepages="$(nproc)"
+
+found=0
+for node in /sys/devices/system/node/node*; do
+    file="$node/hugepages/hugepages-1048576kB/nr_hugepages"
+    [ -e "$file" ] || continue
+    printf '3\n' >"$file"
+    actual=$(cat "$file")
+    [ "$actual" -ge 3 ] || exit 1
+    found=1
+done
+
+[ "$found" -eq 1 ]
+EOF
+    chmod 755 "$HUGEPAGES_HELPER"
+}
+
+write_hugepages_service() {
+    cat >"$HUGEPAGES_SERVICE" <<EOF
+[Unit]
+Description=Reserve Huge Pages for XXXig
+Before=xxxig.service
+ConditionPathExists=/sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages
+
+[Service]
+Type=oneshot
+ExecStart=$HUGEPAGES_HELPER
+
+[Install]
+WantedBy=multi-user.target
+EOF
+}
+
+configure_systemd_hugepages() {
+    [[ "$one_gb_pages" == "true" ]] || return 0
+    log "$BLUE" "配置 1GB Huge Pages 持久池..."
+    write_hugepages_helper
+    write_hugepages_service
+    mkdir -p "$SYSTEMD_DROPIN_DIR"
+    cat >"$SYSTEMD_DROPIN" <<'EOF'
+[Unit]
+Requires=xxxig-hugepages.service
+After=xxxig-hugepages.service
+EOF
+}
+
+configure_alpine_hugepages() {
+    [[ "$one_gb_pages" == "true" ]] || return 0
+    log "$BLUE" "配置 1GB Huge Pages 持久池..."
+    write_hugepages_helper
+    cat >/etc/init.d/xxxig-hugepages <<EOF
+#!/sbin/openrc-run
+description="Reserve Huge Pages for XXXig"
+
+start() {
+    ebegin "Reserving Huge Pages for XXXig"
+    $HUGEPAGES_HELPER
+    eend \$?
+}
+EOF
+    chmod 755 /etc/init.d/xxxig-hugepages
+    rc-update add xxxig-hugepages default
+}
+
 # 配置 CPU 亲和性
 configure_cpu_rx() {
     local cpu_cores=$(nproc)
@@ -109,6 +211,29 @@ configure_cpu_rx() {
 }
 
 # 更新配置文件
+append_pool_options() {
+    [[ "$one_gb_pages" == "true" ]] && jq_cmd+=' | .randomx."1gb-pages" = true'
+    [[ "$pool_keepalive" == "true" ]] && jq_cmd+=' | .pools[0].keepalive = true'
+    [[ -n "$pool_tls_fingerprint" ]] && \
+        jq_cmd+=" | .pools[0].\"tls-fingerprint\" = \"$pool_tls_fingerprint\""
+    [[ "$pool_daemon" == "true" ]] && jq_cmd+=' | .pools[0].daemon = true'
+    [[ "$pool_submit_to_origin" == "true" ]] && \
+        jq_cmd+=" | .pools[0].\"submit-to-origin\" = true | .pools[0].\"self-select\" = \"$pool_self_select\""
+    return 0
+}
+
+append_cc_options() {
+    if [[ "$cc_enabled" == "true" ]]; then
+        jq_cmd+=" | .\"cc-client\".enabled = true
+        | .\"cc-client\".servers[0].url = \"$cc_url\"
+        | .\"cc-client\".servers[0].\"access-token\" = \"$cc_token\"
+        | .\"cc-client\".servers[0].\"use-tls\" = $cc_tls
+        | .\"cc-client\".\"worker-id\" = \"$cc_work_id\""
+    else
+        jq_cmd+=' | ."cc-client".enabled = false'
+    fi
+}
+
 replace_config() {
     [[ ! -f "$CONFIG_FILE" ]] && error "配置文件缺失"
 
@@ -123,76 +248,87 @@ replace_config() {
     | .pools[0].nicehash = $pool_nicehash
     | .\"verbose\" = $verbose"
 
-    [[ "$one_gb_pages" == "true" ]] && jq_cmd+=" | .randomx.\"1gb-pages\" = true"
-    [[ "$pool_keepalive" == "true" ]] && jq_cmd+=" | .pools[0].keepalive = true"
-    [[ -n "$pool_tls_fingerprint" ]] && jq_cmd+=" | .pools[0].\"tls-fingerprint\" = \"$pool_tls_fingerprint\""
-    [[ "$pool_daemon" == "true" ]] && jq_cmd+=" | .pools[0].daemon = true"
-
-    if [[ "$pool_submit_to_origin" == "true" ]]; then
-        jq_cmd+=" | .pools[0].\"submit-to-origin\" = true | .pools[0].\"self-select\" = \"$pool_self_select\""
-    fi
-
-    if [[ "$cc_enabled" == "true" ]]; then
-        jq_cmd+=" | .\"cc-client\".enabled = true
-        | .\"cc-client\".servers[0].url = \"$cc_url\"
-        | .\"cc-client\".servers[0].\"access-token\" = \"$cc_token\"
-        | .\"cc-client\".servers[0].\"use-tls\" = $cc_tls
-        | .\"cc-client\".\"worker-id\" = \"$cc_work_id\""
-    else
-        jq_cmd+=" | .\"cc-client\".enabled = false"
-    fi
-
+    append_pool_options
+    append_cc_options
     jq "$jq_cmd" "$CONFIG_FILE" >"$CONFIG_FILE.tmp" && mv "$CONFIG_FILE.tmp" "$CONFIG_FILE"
     configure_cpu_rx
 }
 
 # 创建并启动服务
-create_service() {
-    if [[ "$os_type" == "alpine" ]]; then
-        cat >/etc/init.d/xxxig <<'EOF'
+create_alpine_service() {
+    local hugepages_dependency=""
+    [[ "$one_gb_pages" == "true" ]] && hugepages_dependency="    need xxxig-hugepages"
+    cat >/etc/init.d/xxxig <<EOF
 #!/sbin/openrc-run
 
 name="XXXig Miner"
 description="XXXig Miner Service"
 command="/etc/miner/xxxig/xxxigDaemon"
 command_args="-c /etc/miner/xxxig/config.json"
-pidfile="/run/${RC_SVCNAME}.pid"
+command_user="xxxig:xxxig"
+pidfile="/run/\${RC_SVCNAME}.pid"
 command_background="yes"
-rc_ulimit="-n 65535"
+rc_ulimit="-n 65535 -l unlimited"
 
 depend() {
     need net
+$hugepages_dependency
     after network
 }
 EOF
-        chmod +x /etc/init.d/xxxig
-        rc-update add xxxig default
-        rc-service xxxig start
-    else
-        cat >/etc/systemd/system/xxxig.service <<EOF
+    chmod 755 /etc/init.d/xxxig
+    rc-update add xxxig default
+    rc-service xxxig start
+}
+
+write_systemd_service() {
+    cat >/etc/systemd/system/xxxig.service <<EOF
 [Unit]
 Description=XXXig Miner
 After=network.target
 
 [Service]
-User=root
+Type=simple
+User=xxxig
+Group=xxxig
+WorkingDirectory=$INSTALL_DIR
 ExecStart=$INSTALL_DIR/xxxigDaemon -c $CONFIG_FILE
 Restart=always
 RestartSec=10
 LimitNOFILE=65535
+LimitMEMLOCK=infinity
+AmbientCapabilities=CAP_IPC_LOCK
+NoNewPrivileges=true
+PrivateTmp=true
+ProtectSystem=strict
+ProtectHome=true
+ReadWritePaths=$INSTALL_DIR
 
 [Install]
 WantedBy=multi-user.target
 EOF
-        systemctl daemon-reload
-        systemctl enable --now xxxig.service
+}
+
+start_systemd_service() {
+    systemctl daemon-reload
+    if [[ "$one_gb_pages" == "true" ]]; then
+        systemctl enable xxxig-hugepages.service
+    fi
+    systemctl enable --now xxxig.service
+}
+
+create_service() {
+    if [[ "$os_type" == "alpine" ]]; then
+        create_alpine_service
+    else
+        write_systemd_service
+        start_systemd_service
     fi
 }
 
 show_usage() {
     cat <<EOF
 用法: $0 [选项]
-
 选项:
   -v, --version <版本>     XXXig 版本 (默认: $DEFAULT_VERSION)
   -t, --threads <数字>     线程数 (默认: 自动)
@@ -213,15 +349,14 @@ show_usage() {
   --cc-work-id <ID>        CC 工作 ID
   --cc-token <令牌>        CC 访问令牌
   --cc-tls                 启用 CC TLS
+  --keep-name              保留已有矿池密码和 CC worker-id
   -h, --help               显示帮助信息
-
-示例:
   $0 -o pool.example.com:3333 -w YOUR_WALLET_ADDRESS
 EOF
     exit 1
 }
 
-parse_args() {
+init_args() {
     version=$DEFAULT_VERSION
     threads=$DEFAULT_THREADS
     pool_algo=$DEFAULT_POOL_ALGO
@@ -242,7 +377,10 @@ parse_args() {
     cc_token=""
     cc_tls=$DEFAULT_CC_TLS
     one_gb_pages=$DEFAULT_ONE_GB_PAGES
+    keep_name=$DEFAULT_KEEP_NAME
+}
 
+read_args() {
     while [[ $# -gt 0 ]]; do
         case "$1" in
         -v | --version) version="$2"; shift 2 ;;
@@ -265,21 +403,26 @@ parse_args() {
         --verbose) verbose="true"; shift ;;
         --cc) cc_enabled="true"; shift ;;
         --cc-tls) cc_tls="true"; shift ;;
+        --keep-name | --preserve-name) keep_name="true"; shift ;;
         -h | --help) show_usage ;;
         *) error "无效选项: $1" ;;
         esac
     done
+}
 
-    # 验证必需参数
+validate_args() {
     [[ -z "$pool_address" ]] && error "矿池地址不能为空"
     [[ ! "$threads" =~ ^[0-9]+$ ]] && error "无效线程数"
     [[ "$pool_submit_to_origin" == "true" && -z "$pool_self_select" ]] && \
         error "启用 submit_to_origin 必须设置 self_select"
+    return 0
+}
 
-    # 处理默认值
+resolve_defaults() {
+    local ip random_str
     if [[ -z "$pool_password" ]]; then
-        local ip=$(curl -4s --retry 3 --connect-timeout 10 ifconfig.me 2>/dev/null || echo "0.0.0.0")
-        local random_str=$(tr -dc '0-9a-zA-Z' </dev/urandom | head -c 5)
+        ip=$(curl -4s --retry 3 --connect-timeout 10 ifconfig.me 2>/dev/null || echo "0.0.0.0")
+        random_str=$(tr -dc '0-9a-zA-Z' </dev/urandom | head -c 5)
         pool_password=$(echo "$ip" | awk -F. '{print $3"_"$4}')"_$random_str"
     fi
 
@@ -291,12 +434,33 @@ parse_args() {
     elif [[ "$threads" -gt $(nproc) ]]; then
         threads=$(nproc)
     fi
+    return 0
 }
 
-main() {
-    parse_args "$@"
+load_preserved_name() {
+    local old_password old_work_id preserved="false"
+    [[ "$keep_name" == "true" && -f "$CONFIG_FILE" ]] || return 0
+    old_password=$(jq -r '.pools[0].pass // empty' "$CONFIG_FILE" 2>/dev/null || true)
+    old_work_id=$(jq -r '."cc-client"."worker-id" // empty' "$CONFIG_FILE" 2>/dev/null || true)
+    if [[ -z "$pool_password" && -n "$old_password" ]]; then
+        pool_password=$old_password
+        preserved="true"
+    fi
+    if [[ -z "$cc_work_id" && -n "$old_work_id" ]]; then
+        cc_work_id=$old_work_id
+        preserved="true"
+    fi
+    [[ "$preserved" == "true" ]] && log "$GREEN" "已保留原矿工名称"
+    return 0
+}
 
-    # 检查并安装依赖
+parse_args() {
+    init_args
+    read_args "$@"
+    validate_args
+}
+
+install_dependencies() {
     local deps=(curl jq file)
     if command -v apt-get &>/dev/null; then
         for pkg in "${deps[@]}"; do
@@ -307,14 +471,18 @@ main() {
             command -v "$pkg" &>/dev/null || apk add "$pkg"
         done
     fi
+}
 
+prepare_download() {
+    local pkg_version
     os_type=$(get_os)
     [[ "$version" == "latest" ]] && version=$(get_gitea_latest_version)
-
-    local pkg_version="${version#v}" # registry 包版本为数字，去掉可能的 v 前缀
+    pkg_version="${version#v}"
     # 产物统一为 musl 全静态（linux-static），不再区分 distro；os_type 仅用于下方服务管理(OpenRC/systemd)
     download_url="https://${GITEA_SERVER}/api/packages/${GITEA_OWNER}/generic/${PACKAGE_NAME}/${pkg_version}/${PACKAGE_NAME}-$(get_arch)-linux-static-${pkg_version}.tar.gz"
+}
 
+show_config() {
     log "$BLUE" "配置信息:"
     echo "  版本: $version"
     echo "  架构: $(get_arch)"
@@ -323,12 +491,23 @@ main() {
     echo "  算法: $pool_algo"
     echo "  矿池: $pool_address"
     echo "  钱包: $wallet_address"
+}
 
+install_runtime() {
     uninstall_xxxig
     install_xxxig
     replace_config
+    create_xxxig_user
+    set_runtime_permissions
+    if [[ "$os_type" == "alpine" ]]; then
+        configure_alpine_hugepages
+    else
+        configure_systemd_hugepages
+    fi
     create_service
+}
 
+show_management_commands() {
     echo "管理命令:"
     if [[ "$os_type" == "alpine" ]]; then
         echo "  rc-service xxxig status"
@@ -341,4 +520,15 @@ main() {
     fi
 }
 
+main() {
+    parse_args "$@"
+    install_dependencies
+    load_preserved_name
+    resolve_defaults
+    prepare_download
+    show_config
+    install_runtime
+    show_management_commands
+}
+
 main "$@"