diff --git a/mainwindow.cpp b/mainwindow.cpp
index ec3127e..385b15f 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -18,6 +18,7 @@
 #include <qsettings.h>
 #include <QNetworkProxy>
 #include "relaysetting.h"
+#include "common.h"
 
 QString g_strServerIp;
 
@@ -268,7 +269,7 @@ void MainWindow::createMenu(const QString& rootTitle, QPushButton* parent )
 void MainWindow::createMenuSet(const QString& rootTitle, QPushButton* parent )
 {
     // 创建主菜单
-    qDebug() << "createMenu" << parent->objectName() << endl;
+    qDebug() << "createMenu" << parent->objectName()   ;
     QMenu *mainMenu = new QMenu(rootTitle, parent);
 
     QAction *option = mainMenu->addAction("通道配置…");
@@ -302,7 +303,7 @@ void MainWindow::clearMenuProperties(QMenu* menu)
 
 void MainWindow::onMenuActionTriggered()
 {
-    qDebug() << "onMenuActionTriggered()" << endl;
+    qDebug() << "onMenuActionTriggered()"   ;
     QAction *action = qobject_cast<QAction*>(sender());
     if (action) {
         // 获取触发动作的父菜单
@@ -315,7 +316,7 @@ void MainWindow::onMenuActionTriggered()
                 int slot_type = action->text().mid(1,2).toInt();
                 QString rack_type = action->text().right(action->text().length()-4);
                 int button_id = button->objectName().right(button->objectName().length()-15).toInt();
-                qDebug() << slot_type << rack_type << button_id << map_slot_config[button_id + 1].slot_type << map_slot_config[button_id + 2].slot_type << endl;
+                qDebug() << slot_type << rack_type << button_id << map_slot_config[button_id + 1].slot_type << map_slot_config[button_id + 2].slot_type   ;
                 map_slot_config[button_id].slot_label->setStyleSheet("QLabel { color :#2980b9; font: bold 16px}");
                 if(rack_type == "三冗余板卡" && (map_slot_config[button_id].slot_type != 0 || map_slot_config[button_id + 1].slot_type != 0 \
                         || map_slot_config[button_id + 2].slot_type != 0)){
@@ -446,7 +447,7 @@ void MainWindow::OnButtonGroup(QAbstractButton * slot_btn)
     if(slot_btn != NULL && ui->pushButton_chan->isChecked())
     {
         QString object_name =  slot_btn->objectName();
-        qDebug() << object_name << endl;
+        qDebug() << object_name   ;
         int button_id = object_name.right(object_name.length()-15).toInt();
         SlotConfig slot_config = map_slot_config[button_id];
         map_slot_config[button_id].slot_label->setStyleSheet("QLabel { color :#2980b9; font: bold 16px}");
@@ -471,7 +472,7 @@ void MainWindow::OnButtonGroup(QAbstractButton * slot_btn)
     }
     if(slot_btn != NULL && ui->pushButton_alarm->isChecked()){
         QString object_name =  slot_btn->objectName();
-        qDebug() << object_name << endl;
+        qDebug() << object_name   ;
         Setpoint *setpoint = new Setpoint();
         setpoint->setWindowModality(Qt::ApplicationModal);
         setpoint->show();
@@ -523,7 +524,7 @@ void MainWindow::on_pushButton_point_name_clicked()
 
 void MainWindow::onMenuAction_relay()
 {
-    qDebug() << " onMenuAction_relay " << endl;
+    qDebug() << " onMenuAction_relay "   ;
     RelaySetting *relay_setting = new RelaySetting();
     relay_setting->setWindowModality(Qt::ApplicationModal);
     relay_setting->show();
@@ -554,7 +555,7 @@ void MainWindow::on_pushButton_open_clicked()
 
 }
 uint8_t calculate_crc(uint8_t c,const QByteArray &data) {
-    uint8_t crc = c;  // 初始化 CRC 为 0
+    uint8_t crc = c;
     for (int i = 0; i < data.size(); ++i) {
         crc += static_cast<uint8_t>(data[i]);  // 累加每个字节
     }
@@ -569,7 +570,7 @@ uint32_t myHtonl(uint32_t value) {
 void MainWindow::sendUpgradePackage(int slot)
 {
     QString filepath = QFileDialog::getOpenFileName(this, tr("选择文件"), tr(""), tr("*"));
-    qDebug() << filepath  << slot << endl;
+    qDebug() << filepath  << slot   ;
     QFileInfo fileinfo;
     fileinfo = QFileInfo(filepath);
     QString file_suffix = fileinfo.suffix();
@@ -586,13 +587,24 @@ void MainWindow::sendUpgradePackage(int slot)
     // 读取文件内容
     QByteArray fileData = file.readAll();
     int fileSize = fileData.size();
-
-    qDebug() << "fileSize" << fileSize <<endl;
+    if(fileSize > 10 * 1024 * 1024)
+    {
+        QMessageBox::information(this, QStringLiteral("提示"), "文件大小超过10M，请重新选择！");
+        file.close();
+        return;
+    }
+    for (int var = 0; var < 10; ++var) {
+        qDebug() << "Byte" << var << ":" << static_cast<uint8_t>(fileData[var]);
+    }
+    for (int var = fileSize - 10; var < fileSize; ++var) {
+        qDebug() << "Byte" << var << ":" << static_cast<uint8_t>(fileData[var]);
+    }
+    qDebug() << "fileSize" << fileSize  ;
     // 创建 PackageHead 结构体
     PackageHead header = { {0xAA, 0x55, 0xAA}, 3, fileSize,0,{} };
     // 计算文件的 CRC 校验和
 
-    qDebug() << "filheader.slot"  << slot <<endl;
+    qDebug() << "filheader.slot"  << slot  ;
     UpgradeCardReq upgrade_car_req;
     if(slot == 0)
         upgrade_car_req.card_id = 0xFF;
@@ -600,8 +612,8 @@ void MainWindow::sendUpgradePackage(int slot)
         upgrade_car_req.card_id = slot & 0xFF;
 
     header.crc = calculate_crc(upgrade_car_req.card_id,fileData);
-    header.len = fileSize;
-    qDebug() << "filheader.crc" << header.crc << "card_id" << upgrade_car_req.card_id << endl;
+    header.len = fileSize + sizeof(UpgradeCardReq);
+    qDebug() << "filheader.crc" << header.crc << "card_id" << upgrade_car_req.card_id << "header len" << header.len;
 
     char *send_buf = NULL;
     send_buf = (char *)malloc(sizeof(PackageHead) + sizeof(UpgradeCardReq) + fileData.size() + 1);
@@ -609,13 +621,12 @@ void MainWindow::sendUpgradePackage(int slot)
     memcpy(send_buf, &header, sizeof(PackageHead));
     memcpy(send_buf + sizeof(PackageHead), &upgrade_car_req, sizeof(UpgradeCardReq));
     memcpy(send_buf + sizeof(PackageHead) + sizeof(UpgradeCardReq), fileData.data(), fileData.size());
-
     int length = sizeof(PackageHead) + sizeof(UpgradeCardReq) + fileData.size();
 
     const int MAX_CHUNK_SIZE = 50 * 1024;  // 64 KB
     qint64 bytesSent = 0;
     qint64 totalBytes = length;
-    qDebug() << "totalBytes" << totalBytes << endl;
+    qDebug() << "totalBytes" << totalBytes   ;
 
     while (bytesSent < totalBytes) {
         qint64 chunkSize = 0;
@@ -625,13 +636,13 @@ void MainWindow::sendUpgradePackage(int slot)
             chunkSize = totalBytes - bytesSent;
         }
         qint64 bytesWritten = client.sendData(send_buf + bytesSent, chunkSize);
-        qDebug() << "bytesWritten" << bytesWritten << "bytesSent" << bytesSent << endl;
+        qDebug() << "bytesWritten" << bytesWritten << "bytesSent" << bytesSent   ;
         if (bytesWritten == -1) {
             break;
         }
         bytesSent += bytesWritten;
     }
-    qDebug() << "bytesSent" << bytesSent << endl;
+    qDebug() << "bytesSent" << bytesSent   ;
     client.waitForRead();
     progressBar->reset();
     progressBar->setVisible(true);
@@ -646,7 +657,7 @@ void MainWindow::getVersion(int slot)
 {
     slot_no = slot;
     PackageHead header = { {0xAA, 0x55, 0xAA}, kGetVersionInfo, 1,0,{} };
-    qDebug() << "slot"  << slot <<endl;
+    qDebug() << "slot"  << slot  ;
     GetVersionReq get_version_req;
     if(slot == 0)
         get_version_req.card_id = 0xFF;
@@ -662,7 +673,7 @@ void MainWindow::getVersion(int slot)
 }
 void MainWindow::onDisConnected()
 {
-    statusBar()->showMessage("连接失败！", 10000); // 显示3秒
+    statusBar()->showMessage("连接失败！", 30000); // 显示3秒
 }
 
 void MainWindow::readData(const QByteArray& data)