diff --git a/restart.sh b/restart.sh
index 31f33b0..80c067f 100644
--- a/restart.sh
+++ b/restart.sh
@@ -1,136 +1,109 @@
-#!/bin/bash
+#!/usr/bin/env bash
+set -euo pipefail
 
-# 自定义action函数，实现通用action功能
-success() {
-  echo -en "\\033[60G[\\033[1;32m  OK  \\033[0;39m]\r"
-  return 0
+Server_Dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+Service_Name="clash-for-linux.service"
+
+log()   { printf "%b\n" "$*"; }
+info()  { log "\033[36m[INFO]\033[0m $*"; }
+ok()    { log "\033[32m[OK]\033[0m $*"; }
+warn()  { log "\033[33m[WARN]\033[0m $*"; }
+err()   { log "\033[31m[ERROR]\033[0m $*"; }
+
+usage() {
+  cat <<'EOF'
+用法：
+  bash restart.sh
+  bash restart.sh --update
+  bash restart.sh --no-systemd
+EOF
 }
 
-failure() {
-  local rc=$?
-  echo -en "\\033[60G[\\033[1;31mFAILED\\033[0;39m]\r"
-  [ -x /bin/plymouth ] && /bin/plymouth --details
-  return $rc
-}
+USE_SYSTEMD="auto"
+DO_UPDATE="false"
 
-action() {
-  local STRING rc
+for arg in "$@"; do
+  case "$arg" in
+    --update)
+      DO_UPDATE="true"
+      ;;
+    --no-systemd)
+      USE_SYSTEMD="false"
+      ;;
+    -h|--help)
+      usage
+      exit 0
+      ;;
+    *)
+      err "未知参数: $arg"
+      usage
+      exit 1
+      ;;
+  esac
+done
 
-  STRING=$1
-  echo -n "$STRING "
-  shift
-  "$@" && success $"$STRING" || failure $"$STRING"
-  rc=$?
-  echo
-  return $rc
-}
-
-# 函数，判断命令是否正常执行
-if_success() {
-  local ReturnStatus=$3
-  if [ $ReturnStatus -eq 0 ]; then
-          action "$1" /bin/true
+if [ "$DO_UPDATE" = "true" ]; then
+  if [ -f "$Server_Dir/update.sh" ]; then
+    info "执行更新脚本..."
+    bash "$Server_Dir/update.sh"
   else
-          action "$2" /bin/false
-          exit 1
+    err "未找到 update.sh: $Server_Dir/update.sh"
+    exit 1
+  fi
+fi
+
+has_systemd() {
+  command -v systemctl >/dev/null 2>&1
+}
+
+service_exists() {
+  systemctl list-unit-files 2>/dev/null | grep -q "^clash-for-linux.service"
+}
+
+restart_by_systemd() {
+  info "使用 systemd 重启 Clash 服务..."
+  systemctl restart "$Service_Name"
+  systemctl --no-pager --full status "$Service_Name" || true
+
+  if systemctl is-active --quiet "$Service_Name"; then
+    ok "服务重启成功（systemd）"
+  else
+    err "服务重启失败（systemd）"
+    exit 1
   fi
 }
 
-# 定义路劲变量
-Server_Dir=$(cd $(dirname "${BASH_SOURCE[0]}") && pwd)
-Conf_Dir="$Server_Dir/conf"
-Log_Dir="$Server_Dir/logs"
-Temp_Dir="$Server_Dir/temp"
-PID_FILE="$Temp_Dir/clash.pid"
+restart_by_scripts() {
+  info "使用脚本方式重启 Clash..."
 
-if [ "$1" = "--update" ]; then
-	bash "$Server_Dir/update.sh" || exit 1
+  if [ -f "$Server_Dir/shutdown.sh" ]; then
+    bash "$Server_Dir/shutdown.sh" || true
+  else
+    warn "未找到 shutdown.sh，跳过关闭步骤"
+  fi
+
+  sleep 1
+
+  if [ -f "$Server_Dir/start.sh" ]; then
+    bash "$Server_Dir/start.sh"
+  else
+    err "未找到 start.sh: $Server_Dir/start.sh"
+    exit 1
+  fi
+
+  ok "服务重启成功（script）"
+}
+
+if [ "$USE_SYSTEMD" = "auto" ]; then
+  if has_systemd && service_exists; then
+    USE_SYSTEMD="true"
+  else
+    USE_SYSTEMD="false"
+  fi
 fi
 
-## 关闭clash服务
-Text1="服务关闭成功！"
-Text2="服务关闭失败！"
-# 查询并关闭程序进程
-if [ -f "$PID_FILE" ]; then
-	PID=$(cat "$PID_FILE")
-	if [ -n "$PID" ]; then
-		kill "$PID"
-		ReturnStatus=$?
-		for i in {1..5}; do
-			sleep 1
-			if ! kill -0 "$PID" 2>/dev/null; then
-				break
-			fi
-		done
-		if kill -0 "$PID" 2>/dev/null; then
-			kill -9 "$PID"
-		fi
-	else
-		ReturnStatus=1
-	fi
-	rm -f "$PID_FILE"
+if [ "$USE_SYSTEMD" = "true" ]; then
+  restart_by_systemd
 else
-	PIDS=$(pgrep -f "clash-linux-")
-	if [ -n "$PIDS" ]; then
-		kill $PIDS
-		ReturnStatus=$?
-		for i in {1..5}; do
-			sleep 1
-			if ! pgrep -f "clash-linux-" >/dev/null; then
-				break
-			fi
-		done
-		if pgrep -f "clash-linux-" >/dev/null; then
-			kill -9 $PIDS
-		fi
-	else
-		ReturnStatus=0
-	fi
-fi
-if_success $Text1 $Text2 $ReturnStatus
-
-sleep 3
-
-## 获取CPU架构
-if /bin/arch &>/dev/null; then
-	CpuArch=`/bin/arch`
-elif /usr/bin/arch &>/dev/null; then
-	CpuArch=`/usr/bin/arch`
-elif /bin/uname -m &>/dev/null; then
-	CpuArch=`/bin/uname -m`
-else
-	echo -e "\033[31m\n[ERROR] Failed to obtain CPU architecture！\033[0m"
-	exit 1
-fi
-
-## 重启启动clash服务
-Text5="服务启动成功！"
-Text6="服务启动失败！"
-if [[ $CpuArch =~ "x86_64" ]]; then
-	nohup $Server_Dir/bin/clash-linux-amd64 -d $Conf_Dir &> $Log_Dir/clash.log &
-	PID=$!
-	ReturnStatus=$?
-	if [ $ReturnStatus -eq 0 ]; then
-		echo "$PID" > "$PID_FILE"
-	fi
-	if_success $Text5 $Text6 $ReturnStatus
-elif [[ $CpuArch =~ "aarch64" ||  $CpuArch =~ "arm64" ]]; then
-	nohup $Server_Dir/bin/clash-linux-arm64 -d $Conf_Dir &> $Log_Dir/clash.log &
-	PID=$!
-	ReturnStatus=$?
-	if [ $ReturnStatus -eq 0 ]; then
-		echo "$PID" > "$PID_FILE"
-	fi
-	if_success $Text5 $Text6 $ReturnStatus
-elif [[ $CpuArch =~ "armv7" ]]; then
-	nohup $Server_Dir/bin/clash-linux-armv7 -d $Conf_Dir &> $Log_Dir/clash.log &
-	PID=$!
-	ReturnStatus=$?
-	if [ $ReturnStatus -eq 0 ]; then
-		echo "$PID" > "$PID_FILE"
-	fi
-	if_success $Text5 $Text6 $ReturnStatus
-else
-	echo -e "\033[31m\n[ERROR] Unsupported CPU Architecture！\033[0m"
-	exit 1
-fi
+  restart_by_scripts
+fi
\ No newline at end of file