diff --git a/untitled/mainwindow.cpp b/untitled/mainwindow.cpp
index 6ed1bc7..3988f3d 100644
--- a/untitled/mainwindow.cpp
+++ b/untitled/mainwindow.cpp
@@ -24,34 +24,27 @@ MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent)
 {
     setWindowTitle("综合平台编程器");
-       setGeometry(500, 200, 1000, 700);
-
-       // 1. 先创建中央区域
-       QWidget* centralContainer = new QWidget;
-       QHBoxLayout* centralLayout = new QHBoxLayout(centralContainer);
-       centralLayout->setContentsMargins(0, 0, 0, 0);
-
-       // 2. 左侧工具栏区
-       createToolbars(); // 创建工具栏对象
-       centralLayout->addWidget(m_leftToolBar);
-
-       // 3. 中央文档区
-       m_tabWidget = new QTabWidget;
-       m_tabWidget->setTabsClosable(true);
-       centralLayout->addWidget(m_tabWidget, 1); // 占据剩余空间
-
-       // 4. 设置中央部件
-       setCentralWidget(centralContainer);
-
-       // 5. 创建日志面板
-       createLogPanel();
-
-       // 连接信号
-       connect(m_tabWidget, &QTabWidget::currentChanged, this, &MainWindow::onTabChanged);
-       connect(m_tabWidget, &QTabWidget::tabCloseRequested, this, &MainWindow::onCloseTab);
-
-       // 创建菜单
-       createMenus();
+    setGeometry(500, 200, 1000, 700);
+    // 1. 先创建中央区域
+    QWidget* centralContainer = new QWidget;
+    QHBoxLayout* centralLayout = new QHBoxLayout(centralContainer);
+    centralLayout->setContentsMargins(0, 0, 0, 0);
+    // 2. 左侧工具栏区
+    createToolbars(); // 创建工具栏对象
+    centralLayout->addWidget(m_leftToolBar);
+    // 3. 中央文档区
+    m_tabWidget = new QTabWidget;
+    m_tabWidget->setTabsClosable(true);
+    centralLayout->addWidget(m_tabWidget, 1); // 占据剩余空间
+    // 4. 设置中央部件
+    setCentralWidget(centralContainer);
+    // 5. 创建日志面板
+    createLogPanel();
+    // 连接信号
+    connect(m_tabWidget, &QTabWidget::currentChanged, this, &MainWindow::onTabChanged);
+    connect(m_tabWidget, &QTabWidget::tabCloseRequested, this, &MainWindow::onCloseTab);
+    // 创建菜单
+    createMenus();
 }
 
 MainWindow::~MainWindow()
@@ -206,8 +199,37 @@ void MainWindow::createMenus()
     editMenu->addAction(copyAction);
     editMenu->addAction(pasteAction);
     editMenu->addAction(deleteAction);
+
+    // 添加仿真菜单项
+    QMenu *simulationMenu = menuBar()->addMenu("仿真");
+    simulationMenu->setFont(itemFont);
+
+    // 连接动作
+    QAction *connectAction = new QAction("连接设置", this);
+    connectAction->setFont(itemFont);
+    connect(connectAction, &QAction::triggered, this, &MainWindow::onConnectClicked);
+    simulationMenu->addAction(connectAction);
+
+    // 运行动作 (暂时留空)
+    QAction *runAction = new QAction("运行", this);
+    runAction->setFont(itemFont);
+    runAction->setEnabled(false);
+    simulationMenu->addAction(runAction);
+
 }
+void MainWindow::onConnectClicked()
+{
+    if (!m_serialDialog) {
+        m_serialDialog = new SerialPortManager(this);
+        connect(m_serialDialog, &SerialPortManager::logMessage,this, &MainWindow::handleSerialLog);
+    }
 
+    m_serialDialog->exec();
+}
+void MainWindow::handleSerialLog(const QString &message)
+{
+    m_logEdit->append(message);
+}
 // 创建左侧工具栏
 void MainWindow::createToolbars()
 {
diff --git a/untitled/mainwindow.h b/untitled/mainwindow.h
index 64422dc..c0f591d 100644
--- a/untitled/mainwindow.h
+++ b/untitled/mainwindow.h
@@ -7,6 +7,7 @@
 #include <QAction>
 #include<QTextEdit>
 #include "basedocument.h"
+#include "serialportmanager.h"
 #include<QPushButton>
 QT_BEGIN_NAMESPACE
 namespace Ui { class MainWindow; }
@@ -33,7 +34,10 @@ private slots:
     void onCloseTab(int index); // 关闭标签页
     void onClearLogButtonClicked();
     void showLogContextMenu(const QPoint &pos);
+    void onConnectClicked(); // 连接菜单项槽函数
+    void handleSerialLog(const QString &message);
 private:
+    SerialPortManager *m_serialDialog=nullptr; // 串口对话框
     void createMenus();       // 创建菜单栏
     QWidget* m_logPanelContainer;
     QDockWidget* m_logDock;
diff --git a/untitled/modbusmanager.cpp b/untitled/modbusmanager.cpp
new file mode 100644
index 0000000..e69de29
diff --git a/untitled/modbusmanager.h b/untitled/modbusmanager.h
new file mode 100644
index 0000000..c2e4bfc
--- /dev/null
+++ b/untitled/modbusmanager.h
@@ -0,0 +1,4 @@
+#ifndef MODBUSMANAGER_H
+#define MODBUSMANAGER_H
+
+#endif // MODBUSMANAGER_H
diff --git a/untitled/serialportmanager.cpp b/untitled/serialportmanager.cpp
new file mode 100644
index 0000000..0de7e1e
--- /dev/null
+++ b/untitled/serialportmanager.cpp
@@ -0,0 +1,263 @@
+#include "serialportmanager.h"
+#include <QSerialPortInfo>
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QGroupBox>
+#include <QMessageBox>
+#include <QDebug>
+
+SerialPortManager::SerialPortManager(QWidget *parent)
+    : QDialog(parent), m_serial(new QSerialPort(this))
+{
+    setWindowTitle("串口连接设置");
+    setFixedSize(450,200);
+
+    // 连接串口信号
+    connect(m_serial, &QSerialPort::readyRead, this, &SerialPortManager::handleReadyRead);
+    connect(m_serial, &QSerialPort::errorOccurred, this, &SerialPortManager::handleError);
+
+    // 主布局
+    QVBoxLayout *mainLayout = new QVBoxLayout(this);
+
+    // 创建单个GroupBox - 串口参数设置
+    QGroupBox *settingsGroup = new QGroupBox("串口参数设置", this);
+    QFormLayout *formLayout = new QFormLayout(settingsGroup);
+
+    // 串口选择行
+    m_portComboBox = new QComboBox(this);
+    QPushButton *refreshButton = new QPushButton("刷新", this);
+    QHBoxLayout *portComboLayout = new QHBoxLayout;
+    portComboLayout->addWidget(m_portComboBox, 5);
+    portComboLayout->addWidget(refreshButton, 1);
+    formLayout->addRow("串口:", portComboLayout);
+
+    // 波特率选择行
+    m_baudComboBox = new QComboBox(this);
+    populateBaudRates();
+    formLayout->addRow("波特率:", m_baudComboBox);
+
+    // 奇偶校验选择行
+    m_parityComboBox = new QComboBox(this);
+    populateParities();
+    formLayout->addRow("奇偶校验:", m_parityComboBox);
+
+    // 从站地址行
+    m_stationSpinBox = new QSpinBox(this);
+    m_stationSpinBox->setRange(1, 247);
+    m_stationSpinBox->setValue(1);
+    formLayout->addRow("从站地址:", m_stationSpinBox);
+
+    // 添加到主布局
+    mainLayout->addWidget(settingsGroup);
+
+    // 按钮区域
+    QHBoxLayout *buttonLayout = new QHBoxLayout;
+    m_connectBtn = new QPushButton("连接", this);
+    QPushButton *cancelButton = new QPushButton("取消", this);
+
+    // 状态标签
+    m_statusLabel = new QLabel("状态: 未连接", this);
+    m_statusLabel->setStyleSheet("QLabel { color: red; }");
+
+    buttonLayout->addWidget(m_statusLabel);
+    buttonLayout->addStretch();
+    buttonLayout->addWidget(m_connectBtn);
+    buttonLayout->addWidget(cancelButton);
+
+    // 添加到主布局
+    mainLayout->addLayout(buttonLayout);
+
+    // 连接信号
+    connect(refreshButton, &QPushButton::clicked, this, &SerialPortManager::refreshPorts);
+    connect(m_connectBtn, &QPushButton::clicked, this, &SerialPortManager::onConnectClicked);
+    connect(cancelButton, &QPushButton::clicked, this, &QDialog::reject);
+
+    // 初始刷新端口
+    refreshPorts();
+}
+
+SerialPortManager::~SerialPortManager()
+{
+    if (m_serial->isOpen()) {
+        m_serial->close();
+    }
+}
+
+// 串口操作接口实现
+bool SerialPortManager::isOpen() const
+{
+    return m_serial->isOpen();
+}
+
+void SerialPortManager::openSerialPort()
+{
+    if (!m_serial->isOpen()) {
+        onConnectClicked();
+    }
+}
+
+void SerialPortManager::closeSerialPort()
+{
+    if (m_serial->isOpen()) {
+        m_serial->close();
+        updateConnectionState(false);
+    }
+}
+
+QByteArray SerialPortManager::readAll()
+{
+    return m_serial->readAll();
+}
+
+void SerialPortManager::write(const QByteArray &data)
+{
+    if (m_serial->isOpen()) {
+        m_serial->write(data);
+    }
+}
+
+// 连接按钮槽函数
+void SerialPortManager::onConnectClicked()
+{
+    if (m_serial->isOpen()) {
+        // 如果已连接，则断开
+        m_serial->close();
+        updateConnectionState(false);
+        return;
+    }
+
+    // 获取配置
+    QString portName = m_portComboBox->currentData().toString();
+    int baudRate = m_baudComboBox->currentData().toInt();
+    QSerialPort::Parity parity = static_cast<QSerialPort::Parity>(m_parityComboBox->currentData().toInt());
+
+    if (portName.isEmpty()) {
+        QMessageBox::warning(this, "错误", "请选择有效的串口");
+        return;
+    }
+
+    // 配置串口
+    m_serial->setPortName(portName);
+    m_serial->setBaudRate(baudRate);
+    m_serial->setDataBits(QSerialPort::Data8);
+    m_serial->setParity(parity);
+    m_serial->setStopBits(QSerialPort::OneStop);
+
+    if (m_serial->open(QIODevice::ReadWrite))
+    {
+        updateConnectionState(true);
+        QString logMsg = QString("串口连接成功: %1, %2 bps, 从站地址: %3")
+                        .arg(portName)
+                        .arg(baudRate)
+                        .arg(m_stationSpinBox->value());
+        emit logMessage(logMsg); // 发送统一日志
+    }
+    else
+    {
+        QString errorMsg = QString("串口连接失败: %1").arg(m_serial->errorString());
+        emit logMessage(errorMsg); // 发送统一日志
+    }
+
+}
+
+// 更新连接状态
+void SerialPortManager::updateConnectionState(bool connected)
+{
+    if (connected) {
+        m_connectBtn->setText("断开");
+        m_statusLabel->setText("状态: 已连接");
+        m_statusLabel->setStyleSheet("QLabel { color: green; }");
+    } else {
+        m_connectBtn->setText("连接");
+        m_statusLabel->setText("状态: 未连接");
+        m_statusLabel->setStyleSheet("QLabel { color: red; }");
+    }
+}
+
+// 数据接收处理
+void SerialPortManager::handleReadyRead()
+{
+    QByteArray data = m_serial->readAll();
+    if (!data.isEmpty()) {
+        QString hexString = data.toHex().toUpper(); // 转换为大写的十六进制
+        emit logMessage("接收: " + hexString); // 发送统一日志
+    }
+
+}
+
+// 错误处理
+void SerialPortManager::handleError(QSerialPort::SerialPortError error)
+{
+    if (error != QSerialPort::NoError)
+    {
+        QString errorMsg = QString("串口错误: %1").arg(m_serial->errorString());
+        emit logMessage(errorMsg); // 发送统一日志
+    }
+}
+
+void SerialPortManager::populateBaudRates()
+{
+    m_baudComboBox->clear();
+    m_baudComboBox->addItem("4800", QSerialPort::Baud4800);
+    m_baudComboBox->addItem("9600", QSerialPort::Baud9600);
+    m_baudComboBox->addItem("19200", QSerialPort::Baud19200);
+    m_baudComboBox->addItem("38400", QSerialPort::Baud38400);
+    m_baudComboBox->addItem("57600", QSerialPort::Baud57600);
+    m_baudComboBox->addItem("115200", QSerialPort::Baud115200);
+    m_baudComboBox->setCurrentIndex(1); // 默认9600
+}
+
+void SerialPortManager::populateParities()
+{
+    m_parityComboBox->clear();
+    m_parityComboBox->addItem("无校验", QSerialPort::NoParity);
+    m_parityComboBox->addItem("奇校验", QSerialPort::OddParity);
+    m_parityComboBox->addItem("偶校验", QSerialPort::EvenParity);
+    m_parityComboBox->setCurrentIndex(0); // 默认无校验
+}
+
+void SerialPortManager::refreshPorts()
+{
+    m_portComboBox->clear();
+    const auto ports = QSerialPortInfo::availablePorts();
+
+    for (const QSerialPortInfo &port : ports) {
+        QString description = port.description();
+        if (description.isEmpty()) description = "未知设备";
+
+        QString itemText = QString("%1 (%2)")
+                          .arg(port.portName())
+                          .arg(description);
+
+        m_portComboBox->addItem(itemText, port.portName());
+    }
+    if (ports.isEmpty())
+    {
+        m_portComboBox->addItem("无可用端口", "");
+    }
+}
+
+QString SerialPortManager::portName() const
+{
+    return m_portComboBox->currentData().toString();
+}
+
+int SerialPortManager::baudRate() const
+{
+    return m_baudComboBox->currentData().toInt();
+}
+
+QSerialPort::Parity SerialPortManager::parity() const
+{
+    return static_cast<QSerialPort::Parity>(m_parityComboBox->currentData().toInt());
+}
+
+QSerialPort::StopBits SerialPortManager::stopBits() const
+{
+    return QSerialPort::OneStop;
+}
+
+int SerialPortManager::stationAddress() const
+{
+    return m_stationSpinBox->value();
+}
diff --git a/untitled/serialportmanager.h b/untitled/serialportmanager.h
new file mode 100644
index 0000000..0f937e3
--- /dev/null
+++ b/untitled/serialportmanager.h
@@ -0,0 +1,57 @@
+#ifndef SERIALPORTMANAGER_H
+#define SERIALPORTMANAGER_H
+
+#include <QDialog>
+#include <QSerialPort>
+#include <QComboBox>
+#include <QPushButton>
+#include <QFormLayout>
+#include <QSpinBox>
+#include <QLabel>
+
+class SerialPortManager : public QDialog
+{
+    Q_OBJECT
+public:
+    explicit SerialPortManager(QWidget *parent = nullptr);
+    ~SerialPortManager();
+
+    // 获取串口配置
+    QString portName() const;
+    int baudRate() const;
+    QSerialPort::Parity parity() const;
+    QSerialPort::StopBits stopBits() const;
+    int stationAddress() const;
+
+    // 新增串口操作接口
+    bool isOpen() const;
+    void openSerialPort();
+    void closeSerialPort();
+    QByteArray readAll();
+    void write(const QByteArray &data);
+
+signals:
+    void errorOccurred(const QString &error);
+    void logMessage(const QString &message);
+
+private slots:
+    void refreshPorts();
+    void onConnectClicked();
+    void handleReadyRead();
+    void handleError(QSerialPort::SerialPortError error);
+
+private:
+    void populateBaudRates();
+    void populateParities();
+    void updateConnectionState(bool connected);
+
+    QSerialPort *m_serial; // 串口对象
+    QComboBox *m_portComboBox;
+    QComboBox *m_baudComboBox;
+    QComboBox *m_parityComboBox;
+    QSpinBox *m_stationSpinBox;
+    QPushButton *m_connectBtn; // 连接/断开按钮
+    QLabel *m_statusLabel; // 状态标签
+};
+
+#endif // SERIALPORTMANAGER_H
diff --git a/untitled/untitled.pro b/untitled/untitled.pro
index eaebac4..b670073 100644
--- a/untitled/untitled.pro
+++ b/untitled/untitled.pro
@@ -1,5 +1,5 @@
 QT       += core gui
-
+QT += core gui widgets serialport
 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 
 CONFIG += c++11
@@ -21,16 +21,20 @@ SOURCES += \
     hmidocument.cpp \
     main.cpp \
     mainwindow.cpp \
+    modbusmanager.cpp \
     plcdocument.cpp \
-    plcitems.cpp
+    plcitems.cpp \
+    serialportmanager.cpp
 
 HEADERS += \
     basedocument.h \
     graphicsitems.h \
     hmidocument.h \
     mainwindow.h \
+    modbusmanager.h \
     plcdocument.h \
-    plcitems.h
+    plcitems.h \
+    serialportmanager.h
 
 FORMS += \
     mainwindow.ui