diff --git a/实时 history 监控 b/实时 history 监控
index 71248b9..bff035c 100644
--- a/实时 history 监控	
+++ b/实时 history 监控	
@@ -1,264 +1,79 @@
-# 创建安装目录和脚本
-mkdir -p /root/monitor
-cat > /root/monitor/cmd_monitor.sh << 'EOF'
+# 创建完整的修复脚本
+cat > /tmp/fix_autostart.sh << 'EOF'
 #!/bin/bash
 
-INSTALL_DIR="/root/monitor"
-SCRIPT_PATH="$INSTALL_DIR/cmd_monitor.sh"
-LOG_DIR="/root/command_logs"
-PID_FILE="/tmp/cmd_monitor.pid"
+echo "=== 修复命令监控开机自启动 ==="
 
-# 获取客户端IP
-get_client_ip() {
-    local ip="unknown"
-    [ -n "$SSH_CLIENT" ] && ip=$(echo "$SSH_CLIENT" | awk '{print $1}')
-    [ "$ip" = "unknown" ] && [ -n "$SSH_CONNECTION" ] && ip=$(echo "$SSH_CONNECTION" | awk '{print $1}')
-    echo "$ip"
-}
+# 停止现有监控
+/root/monitor/cmd_monitor.sh stop >/dev/null 2>&1
 
-# 检查to命令
-if [ "$1" = "to" ]; then
-    if [ -f "$PID_FILE" ] && ps -p $(cat "$PID_FILE") >/dev/null 2>&1; then
-        echo "切换到前台模式..."
-        kill $(cat "$PID_FILE") 2>/dev/null
-        rm -f "$PID_FILE"
-        exec "$SCRIPT_PATH" foreground
-    else
-        echo "切换到后台模式..."
-        exec "$SCRIPT_PATH" background
-    fi
-    exit 0
+# 清理旧的crontab条目
+echo "1. 清理旧的crontab条目..."
+(crontab -l 2>/dev/null | grep -v "cmd_monitor" | grep -v "monitor") | crontab -
+
+# 添加新的crontab开机启动
+echo "2. 设置crontab开机启动..."
+(crontab -l 2>/dev/null; echo "@reboot /bin/bash /root/monitor/cmd_monitor.sh background >/dev/null 2>&1") | crontab -
+
+# 尝试创建systemd服务
+echo "3. 尝试设置systemd服务..."
+if command -v systemctl >/dev/null 2>&1; then
+    cat > /etc/systemd/system/cmd-monitor.service << SVC_EOF
+[Unit]
+Description=Command Monitor Service
+After=network.target
+
+[Service]
+Type=forking
+User=root
+ExecStart=/root/monitor/cmd_monitor.sh background
+ExecStop=/root/monitor/cmd_monitor.sh stop
+Restart=no
+StandardOutput=null
+StandardError=null
+
+[Install]
+WantedBy=multi-user.target
+SVC_EOF
+
+    systemctl daemon-reload
+    systemctl enable cmd-monitor.service >/dev/null 2>&1
+    echo "   ✅ systemd服务已设置"
+else
+    echo "   ℹ️  systemctl不可用，跳过systemd设置"
 fi
 
-case "$1" in
-    background|start)
-        # 设置实时history
-        for user_dir in /home/* /root; do
-            [ -d "$user_dir" ] || continue
-            bashrc="$user_dir/.bashrc"
-            [ -f "$bashrc" ] || continue
-            if ! grep -q "PROMPT_COMMAND.*history" "$bashrc" 2>/dev/null; then
-                echo 'export PROMPT_COMMAND="history -a; history -c; history -r"' >> "$bashrc"
-                echo "已为 $user_dir 设置实时history"
-            fi
-        done
-        
-        # 后台启动
-        (
-            echo "=== 后台监控启动: $(date) ===" >> "$LOG_DIR/monitor.log"
-            declare -A last_sizes
-            
-            # 初始化文件大小
-            for user_dir in /home/* /root; do
-                [ -d "$user_dir" ] || continue
-                user=$(basename "$user_dir")
-                history_file="$user_dir/.bash_history"
-                [ -f "$history_file" ] && last_sizes["$user"]=$(stat -c%s "$history_file" 2>/dev/null || echo 0)
-            done
-            
-            while true; do
-                for user_dir in /home/* /root; do
-                    [ -d "$user_dir" ] || continue
-                    user=$(basename "$user_dir")
-                    history_file="$user_dir/.bash_history"
-                    [ -f "$history_file" ] || continue
-                    
-                    current_size=$(stat -c%s "$history_file" 2>/dev/null || echo 0)
-                    last_size=${last_sizes["$user"]:-0}
-                    
-                    if [ "$current_size" -gt "$last_size" ]; then
-                        new_cmd=$(tail -n 1 "$history_file" 2>/dev/null | sed 's/^[ \t]*//;s/[ \t]*$//')
-                        if [ -n "$new_cmd" ] && [ ${#new_cmd} -gt 1 ]; then
-                            # 过滤简单命令
-                            case "$new_cmd" in
-                                ls|cd|pwd|ll|history|exit|clear|to|"."|"..")
-                                    continue
-                                    ;;
-                                *)
-                                    client_ip=$(get_client_ip)
-                                    timestamp=$(date '+%Y-%m-%d %H:%M:%S')
-                                    log_entry="[$timestamp] 用户:$user | 命令:$new_cmd | 来源:$client_ip"
-                                    echo "$log_entry" >> "$LOG_DIR/monitor.log"
-                                    ;;
-                            esac
-                        fi
-                        last_sizes["$user"]=$current_size
-                    fi
-                done
-                sleep 2
-            done
-        ) &
-        
-        echo $! > "$PID_FILE"
-        echo "✅ 后台监控已启动 (PID: $!)"
-        echo "📝 日志文件: $LOG_DIR/monitor.log"
-        ;;
-        
-    foreground)
-        echo "🔍 前台监控模式启动..."
-        echo "💡 输入 'to' 切换到后台模式"
-        echo "⏹️  按 Ctrl+C 停止监控"
-        echo "================================"
-        
-        # 设置信号处理
-        trap 'echo -e "\n🛑 停止监控"; exit 0' INT TERM
-        
-        declare -A last_sizes
-        
-        # 初始化文件大小
-        for user_dir in /home/* /root; do
-            [ -d "$user_dir" ] || continue
-            user=$(basename "$user_dir")
-            history_file="$user_dir/.bash_history"
-            [ -f "$history_file" ] && last_sizes["$user"]=$(stat -c%s "$history_file" 2>/dev/null || echo 0)
-        done
-        
-        while true; do
-            # 检测to命令输入（非阻塞读取）
-            if read -t 0.5 -n 2 input 2>/dev/null; then
-                if [ "$input" = "to" ]; then
-                    echo "🔄 切换到后台模式..."
-                    "$SCRIPT_PATH" background
-                    exit 0
-                fi
-            fi
-            
-            # 监控命令
-            for user_dir in /home/* /root; do
-                [ -d "$user_dir" ] || continue
-                user=$(basename "$user_dir")
-                history_file="$user_dir/.bash_history"
-                [ -f "$history_file" ] || continue
-                
-                current_size=$(stat -c%s "$history_file" 2>/dev/null || echo 0)
-                last_size=${last_sizes["$user"]:-0}
-                
-                if [ "$current_size" -gt "$last_size" ]; then
-                    new_cmd=$(tail -n 1 "$history_file" 2>/dev/null | sed 's/^[ \t]*//;s/[ \t]*$//')
-                    if [ -n "$new_cmd" ] && [ ${#new_cmd} -gt 1 ]; then
-                        # 过滤简单命令
-                        case "$new_cmd" in
-                            ls|cd|pwd|ll|history|exit|clear|to|"."|"..")
-                                continue
-                                ;;
-                            *)
-                                client_ip=$(get_client_ip)
-                                timestamp=$(date '+%Y-%m-%d %H:%M:%S')
-                                echo "[$timestamp] 用户:$user | 命令:$new_cmd | 来源:$client_ip"
-                                ;;
-                        esac
-                    fi
-                    last_sizes["$user"]=$current_size
-                fi
-            done
-            sleep 2
-        done
-        ;;
-        
-    stop)
-        if [ -f "$PID_FILE" ]; then
-            pid=$(cat "$PID_FILE")
-            if ps -p "$pid" >/dev/null 2>&1; then
-                kill "$pid" 2>/dev/null
-                rm -f "$PID_FILE"
-                echo "✅ 监控已停止 (PID: $pid)"
-            else
-                rm -f "$PID_FILE"
-                echo "⚠️  监控进程不存在，已清理PID文件"
-            fi
-        else
-            echo "ℹ️  监控未运行"
-        fi
-        ;;
-        
-    status)
-        if [ -f "$PID_FILE" ]; then
-            pid=$(cat "$PID_FILE")
-            if ps -p "$pid" >/dev/null 2>&1; then
-                echo "✅ 监控运行中 (PID: $pid)"
-                echo "📝 日志文件: $LOG_DIR/monitor.log"
-            else
-                echo "❌ PID文件存在但进程不存在"
-                rm -f "$PID_FILE"
-            fi
-        else
-            echo "❌ 监控未运行"
-        fi
-        ;;
-        
-    install)
-        # 创建日志目录
-        mkdir -p "$LOG_DIR"
-        
-        # 设置开机自启动
-        echo "🔧 设置开机自启动..."
-        (crontab -l 2>/dev/null | grep -v "$SCRIPT_PATH"; echo "@reboot $SCRIPT_PATH background >/dev/null 2>&1") | crontab -
-        
-        # 设置to命令别名
-        echo "🔧 设置命令别名..."
-        for user_dir in /home/* /root; do
-            [ -d "$user_dir" ] || continue
-            bashrc="$user_dir/.bashrc"
-            [ -f "$bashrc" ] || continue
-            if ! grep -q "alias to=" "$bashrc" 2>/dev/null; then
-                echo "alias to='$SCRIPT_PATH to'" >> "$bashrc"
-                echo "✅ 已为 $user_dir 设置别名"
-            fi
-        done
-        
-        echo ""
-        echo "🎉 安装完成!"
-        echo "========================"
-        echo "立即使用:"
-        echo "  to              - 切换前后台模式"
-        echo "  $SCRIPT_PATH foreground  - 前台模式"
-        echo "  $SCRIPT_PATH background  - 后台模式"
-        echo "  $SCRIPT_PATH stop        - 停止监控"
-        echo "  $SCRIPT_PATH status      - 查看状态"
-        echo ""
-        echo "请运行: source ~/.bashrc"
-        ;;
-        
-    logs)
-        if [ -f "$LOG_DIR/monitor.log" ]; then
-            tail -f "$LOG_DIR/monitor.log"
-        else
-            echo "日志文件不存在: $LOG_DIR/monitor.log"
-        fi
-        ;;
-        
-    *)
-        echo "命令监控系统"
-        echo "========================"
-        echo "使用方法: $0 {foreground|background|stop|status|install|logs|to}"
-        echo ""
-        echo "命令说明:"
-        echo "  install    - 安装并配置系统"
-        echo "  foreground - 前台监控模式"
-        echo "  background - 后台监控模式" 
-        echo "  to         - 切换前后台模式"
-        echo "  stop       - 停止监控"
-        echo "  status     - 查看状态"
-        echo "  logs       - 查看实时日志"
-        echo ""
-        echo "安装后直接使用 'to' 命令切换模式"
-        ;;
-esac
-EOF
+# 设置rc.local备用方案
+echo "4. 设置rc.local备用方案..."
+if [ -d /etc/rc.d ]; then
+    # SysV init系统
+    echo '/root/monitor/cmd_monitor.sh background >/dev/null 2>&1' > /etc/rc.d/rc.local
+    chmod +x /etc/rc.d/rc.local
+elif [ -f /etc/rc.local ]; then
+    # systemd的rc.local兼容
+    grep -q "cmd_monitor" /etc/rc.local || echo '/root/monitor/cmd_monitor.sh background >/dev/null 2>&1' >> /etc/rc.local
+    chmod +x /etc/rc.local
+else
+    # 创建rc.local
+    echo '#!/bin/bash' > /etc/rc.local
+    echo '/root/monitor/cmd_monitor.sh background >/dev/null 2>&1' >> /etc/rc.local
+    chmod +x /etc/rc.local
+fi
 
-# 给脚本执行权限
-chmod +x /root/monitor/cmd_monitor.sh
+# 立即启动监控
+echo "5. 立即启动监控服务..."
+/root/monitor/cmd_monitor.sh background
 
-# 创建日志目录
-mkdir -p /root/command_logs
-
-# 执行安装
-echo "开始安装监控系统..."
-/root/monitor/cmd_monitor.sh install
-
-# 重新加载bash配置
-source ~/.bashrc
+# 验证启动状态
+echo "6. 验证启动状态..."
+sleep 2
+/root/monitor/cmd_monitor.sh status
 
 echo ""
-echo "✅ 安装完成！"
-echo "💡 现在可以测试: to"
+echo "=== 修复完成 ==="
+echo "重启系统测试: reboot"
+echo "手动检查状态: /root/monitor/cmd_monitor.sh status"
+EOF
+
+chmod +x /tmp/fix_autostart.sh
+/tmp/fix_autostart.sh