diff --git a/Inc/mainwindow.h b/Inc/mainwindow.h
index a3e971c..dd70578 100644
--- a/Inc/mainwindow.h
+++ b/Inc/mainwindow.h
@@ -14,7 +14,7 @@
 #include <QModbusDataUnit>
 #include <QTimer>
 
-class ColoredSquare : public QWidget {
+class ColoredSquare final : public QWidget {
     Q_OBJECT
 public:
     explicit ColoredSquare(QWidget *parent = nullptr);
@@ -25,12 +25,12 @@ private:
     QColor m_color;
 };
 
-class Mainwindows : public QWidget {
+class MainWindows final : public QWidget {
     Q_OBJECT
 
 public:
-    explicit Mainwindows(QWidget *parent = nullptr);
-    ~Mainwindows() override;
+    explicit MainWindows(QWidget *parent = nullptr);
+    ~MainWindows() override;
 
 private slots:
     void onStateChanged(QModbusDevice::State state);
@@ -41,17 +41,16 @@ private slots:
 private:
     void createUIElements();
     void initModbusConnection();
-    void writeRegister(int index);
     void readRegisters();
     void loadConfiguration();
 
-    QTableWidget* m_table;
+    QTableWidget* m_table{};
     QString m_ipAddress;
-    int m_port;
+    int m_port{};
     QVector<int> m_buttonRegisters;
     QVector<int> m_indicatorRegisters;
-    int m_buttonCount;
-    int m_indicatorCount;
+    int m_buttonCount{};
+    int m_indicatorCount{};
     QVector<QPushButton*> m_buttons;
     QVector<ColoredSquare*> m_squares;
     QVector<int> m_colorIndices;
@@ -61,13 +60,13 @@ private:
     QVector<QString> m_indicatorLabels;
 
     QModbusTcpClient* m_modbusClient;
-    QPushButton* m_connectButton;
+    QPushButton* m_connectButton{};
     bool m_connected;
-    int m_responseTimeout;
-    int m_connectTimeout;
-    int m_pollInterval;
-    QTimer* m_pollTimer;
-    QLabel* m_statusLabel;
+    int m_responseTimeout{};
+    int m_connectTimeout{};
+    int m_pollInterval{};
+    QTimer* m_pollTimer{};
+    QLabel* m_statusLabel{};
     int m_requestCounter;
     int m_responseCounter;
     void updateStatusBar();
diff --git a/Src/main.cpp b/Src/main.cpp
index cced488..73dccfc 100644
--- a/Src/main.cpp
+++ b/Src/main.cpp
@@ -13,7 +13,7 @@ int main(int argc, char *argv[]) {
 
     qDebug() << QApplication::style();
 
-    auto *window = new Mainwindows();
+    auto *window = new MainWindows();
     window->show();
     //window->init();
     QApplication::exec();
diff --git a/Src/mainwindow.cpp b/Src/mainwindow.cpp
index 7ee48e1..6076754 100644
--- a/Src/mainwindow.cpp
+++ b/Src/mainwindow.cpp
@@ -26,7 +26,7 @@ void ColoredSquare::paintEvent(QPaintEvent *) {
     painter.fillRect(rect(), m_color);
 }
 
-Mainwindows::Mainwindows(QWidget *parent)
+MainWindows::MainWindows(QWidget *parent)
     : QWidget(parent), m_modbusClient(nullptr), m_connected(false),
       m_requestCounter(0), m_responseCounter(0) {
 
@@ -42,7 +42,7 @@ Mainwindows::Mainwindows(QWidget *parent)
     initModbusConnection();
 }
 
-void Mainwindows::loadConfiguration() {
+void MainWindows::loadConfiguration() {
     const QString filePath = QCoreApplication::applicationDirPath() + "/config.ini";
     QSettings settings(filePath, QSettings::IniFormat);
 
@@ -116,7 +116,7 @@ void Mainwindows::loadConfiguration() {
     settings.endGroup();
 }
 
-void Mainwindows::initModbusConnection() {
+void MainWindows::initModbusConnection() {
     m_modbusClient = new QModbusTcpClient(this);
 
     // Set timeouts
@@ -126,15 +126,15 @@ void Mainwindows::initModbusConnection() {
     m_modbusClient->setNumberOfRetries(1);
 
     connect(m_modbusClient, &QModbusClient::stateChanged,
-            this, &Mainwindows::onStateChanged);
+            this, &MainWindows::onStateChanged);
 
     // Initialize poll timer
     m_pollTimer = new QTimer(this);
     m_pollTimer->setInterval(m_pollInterval);
-    connect(m_pollTimer, &QTimer::timeout, this, &Mainwindows::onPollTimer);
+    connect(m_pollTimer, &QTimer::timeout, this, &MainWindows::onPollTimer);
 }
 
-void Mainwindows::onStateChanged(QModbusDevice::State state) {
+void MainWindows::onStateChanged(QModbusDevice::State state) {
     if (state == QModbusDevice::ConnectedState) {
         m_connected = true;
         m_connectButton->setText("Disconnect");
@@ -151,7 +151,7 @@ void Mainwindows::onStateChanged(QModbusDevice::State state) {
     }
 }
 
-void Mainwindows::onConnectButtonClicked() {
+void MainWindows::onConnectButtonClicked() {
     if (!m_connected) {
         if (!m_modbusClient->connectDevice()) {
             QMessageBox::critical(this, tr("Connection Error"),
@@ -170,13 +170,13 @@ void Mainwindows::onConnectButtonClicked() {
     }
 }
 
-void Mainwindows::onPollTimer() {
+void MainWindows::onPollTimer() {
     if (m_connected) {
         readRegisters();
     }
 }
 
-void Mainwindows::readRegisters() {
+void MainWindows::readRegisters() {
     if (!m_connected) return;
 
     // Увеличиваем счетчик запросов
@@ -189,7 +189,7 @@ void Mainwindows::readRegisters() {
             QModbusDataUnit readUnit(QModbusDataUnit::HoldingRegisters, m_indicatorRegisters[i], 1);
             if (auto *reply = m_modbusClient->sendReadRequest(readUnit, 1)) {
                 if (!reply->isFinished()) {
-                    connect(reply, &QModbusReply::finished, this, &Mainwindows::onReadReady);
+                    connect(reply, &QModbusReply::finished, this, &MainWindows::onReadReady);
                 } else {
                     delete reply;
                 }
@@ -203,7 +203,7 @@ void Mainwindows::readRegisters() {
             QModbusDataUnit readUnit(QModbusDataUnit::HoldingRegisters, m_buttonRegisters[i], 1);
             if (auto *reply = m_modbusClient->sendReadRequest(readUnit, 1)) {
                 if (!reply->isFinished()) {
-                    connect(reply, &QModbusReply::finished, this, &Mainwindows::onReadReady);
+                    connect(reply, &QModbusReply::finished, this, &MainWindows::onReadReady);
                 } else {
                     delete reply;
                 }
@@ -212,7 +212,7 @@ void Mainwindows::readRegisters() {
     }
 }
 
-void Mainwindows::onReadReady() {
+void MainWindows::onReadReady() {
     auto reply = qobject_cast<QModbusReply *>(sender());
     if (!reply) return;
 
@@ -260,7 +260,7 @@ void Mainwindows::onReadReady() {
     reply->deleteLater();
 }
 
-void Mainwindows::createUIElements() {
+void MainWindows::createUIElements() {
     auto* mainLayout = new QVBoxLayout(this);
 
     // Добавляем статусную строку
@@ -270,7 +270,7 @@ void Mainwindows::createUIElements() {
 
     // Add connect button at the top
     m_connectButton = new QPushButton("Connect", this);
-    connect(m_connectButton, &QPushButton::clicked, this, &Mainwindows::onConnectButtonClicked);
+    connect(m_connectButton, &QPushButton::clicked, this, &MainWindows::onConnectButtonClicked);
     mainLayout->addWidget(m_connectButton);
 
     // Create table with maximum of buttons or indicators
@@ -340,7 +340,7 @@ void Mainwindows::createUIElements() {
     m_table->horizontalHeader()->setSectionResizeMode(1, QHeaderView::Fixed);
     m_table->horizontalHeader()->setSectionResizeMode(2, QHeaderView::Fixed);
     m_table->horizontalHeader()->setSectionResizeMode(3, QHeaderView::Fixed);
-    m_table->setColumnWidth(0, 150); // Label column
+    m_table->setColumnWidth(0, 180); // Label column
     m_table->setColumnWidth(1, 100); // Button column
     m_table->setColumnWidth(2, 50);  // Square column
     m_table->setColumnWidth(3, 100); // Status text column
@@ -357,7 +357,7 @@ void Mainwindows::createUIElements() {
     setFixedSize(totalWidth, totalHeight);
 }
 
-void Mainwindows::updateStatusBar() {
+void MainWindows::updateStatusBar() {
     QString status = QString("IP: %1 Port: %2 | Requests: %3 Responses: %4")
                         .arg(m_ipAddress)
                         .arg(m_port)
@@ -366,7 +366,7 @@ void Mainwindows::updateStatusBar() {
     m_statusLabel->setText(status);
 }
 
-Mainwindows::~Mainwindows() {
+MainWindows::~MainWindows() {
     if (m_pollTimer) {
         m_pollTimer->stop();
     }