diff --git a/src/AnalysisTool.pro b/src/AnalysisTool.pro
index 8a260d8..bff4d75 100644
--- a/src/AnalysisTool.pro
+++ b/src/AnalysisTool.pro
@@ -9,7 +9,7 @@ CONFIG+=precompile_header
 PRECOMPILED_HEADER=stable.h
 
 #
-VERSION = 0.9.8
+VERSION = 0.9.8.1
 # 设置目标文件名，包含版本号
 TARGET = AnalysisTool_$${VERSION}
 
diff --git a/src/data/xlsxhandler.cpp b/src/data/xlsxhandler.cpp
index 56608de..95b3eb5 100644
--- a/src/data/xlsxhandler.cpp
+++ b/src/data/xlsxhandler.cpp
@@ -409,7 +409,7 @@ void XlsxHandler::readAnalysisOperation(
     for(int i = 0;i < size; i++){
         AnaOpRecorderOperation ao;
 
-        ao.filePath = cfd.filePath;
+        ao.filePath = cfd.fileName;
 
         QString modeStr = sheet->cellAt(startLineIndex, 1)->value().toString();
 
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 0cfa115..9a1f2b8 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -470,8 +470,10 @@ void MainWindow::on_actionEnthalpyCorrectionSelection_triggered()
 
 void MainWindow::on_actionPrintPreview_triggered()
 {
-    _printPreviewForm->setPixmap(_centralWidget->getPixMap());
-    _printPreviewForm->show();
+//    _printPreviewForm->setPixmap(_centralWidget->getPixMap());
+//    _printPreviewForm->show();
+
+    _printPreviewForm->_customPrintPreviewDialog->showMaximized();
 }
 
 void MainWindow::on_actionOnsetTemperaturePoint_triggered()
diff --git a/src/serialport/serialport.cpp b/src/serialport/serialport.cpp
index c2e07ea..6b0eb58 100644
--- a/src/serialport/serialport.cpp
+++ b/src/serialport/serialport.cpp
@@ -167,8 +167,8 @@ void SerialPort::updateStatus(const CommonData &cd)
         }
     }
 
-//    logde<<"_curveExperimentDataVtr size:"
-//        <<Global::_curveExperimentDataVtr.size();
+    //    logde<<"_curveExperimentDataVtr size:"
+    //        <<Global::_curveExperimentDataVtr.size();
 
     //
     updateAxis();
@@ -403,7 +403,7 @@ void SerialPort::sendCmd(const SerialPort::E_CMD_TYPE e)
 
     char out_char[21] = {'\0'};
     int hex_length = 10;
-    to_hex(in_char, hex_length, out_char);
+    toHex(in_char, hex_length, out_char);
 
     int num = _sp->write(out_char,
                          hex_length);
@@ -417,7 +417,7 @@ void SerialPort::sendCmd(const SerialPort::E_CMD_TYPE e)
     }
 }
 
-void SerialPort::to_hex(char *in_char, int char_length, char *out_char)
+void SerialPort::toHex(char *in_char, int char_length, char *out_char)
 {
     while (char_length--)
     {
@@ -547,11 +547,18 @@ void SerialPort::slotSendData(const QByteArray &ba)
 
     if (_sp != nullptr && _sp->isOpen())
     {
-        _sp->write(ba);
+        int bytesWritten = _sp->write(ba);
+        if (bytesWritten == -1) {
+            logde << "Write failed." << _sp->errorString().toStdString();
+        } else if (bytesWritten != ba.size()) {
+            logde << "Not all data was writen.";
+        } else {
+            logde << "All data writen.";
+        }
     }
     else
     {
-        qDebug() << "sp not open.";
+        logde<< "sp not open.";
         return;
     }
 }
diff --git a/src/serialport/serialport.h b/src/serialport/serialport.h
index 2749258..a9a6347 100644
--- a/src/serialport/serialport.h
+++ b/src/serialport/serialport.h
@@ -44,12 +44,11 @@ public slots:
     void slotCloseSp();
 private slots:
     void slotReadData();
-
 private:
     void updateStatus(const CommonData &cd);
     void updateAxis();
     void commonDataParser(const int dataLength, const u16 addr, const CommonData &cd);
-    void to_hex(char *in_char, int char_length, char *out_char);
+    void toHex(char *in_char, int char_length, char *out_char);
     void displayPortInfo();
 private:
     SerialPort(QObject *parent = nullptr);
diff --git a/src/ui/analysisoperationrecorder.cpp b/src/ui/analysisoperationrecorder.cpp
index 8f4fb98..b5105ca 100644
--- a/src/ui/analysisoperationrecorder.cpp
+++ b/src/ui/analysisoperationrecorder.cpp
@@ -8,7 +8,7 @@ void addAnalysisOperation(const AnalysisOperation ao)
 }
 #endif
 
-QVector<AnalysisOperation> _ananlysisOperationVtr;
+QVector<AnalysisOperation> _analysisOperationVtr;
 
 void removeTheLastAnalysisOperation()
 {
diff --git a/src/ui/centralwidget.cpp b/src/ui/centralwidget.cpp
index dcb0869..741f873 100644
--- a/src/ui/centralwidget.cpp
+++ b/src/ui/centralwidget.cpp
@@ -310,7 +310,7 @@ void CentralWidget::slotRecvAnalysisFileName(const QString &filePath)
     // Add analysis operation data.
     if(cfd.analysisOperationVtr.size() > 0){
         for(AnaOpRecorder::AnalysisOperation& ao
-            :AnalysisOperationRecorder::_analysisOperationVtr){
+            :cfd.analysisOperationVtr){
             loadAnalysisData(ao.mode,ao.x1,ao.x2);
         }
     }
@@ -337,167 +337,14 @@ void CentralWidget::slotAnalysisSettingApply()
     //
     loadAnalysisData(_analysisMode,x1,x2);
 
-    //
-#if 0
-    switch (_analysisMode) {
-    case AnalysisMode::NumericalLabel:
-    {
-        QPointF selectPoint = PointCalculate::getClosestPointByX(x1);
-
-        //        logde<<"lin1 x:"<<x1;
-
-        if(selectPoint.isNull()){
-            QMessageBox::warning((QWidget*)this->parent(), "warnning", "曲线选择错误.");
-            return;
-        }
-
-        QString str = PointCalculate::textFormatNumbericalLabel(selectPoint);
-
-        drawText(selectPoint,str);
-
-        //
-        AnaOpRecorder::AnalysisOperation ao;
-        ao.mode = AnaOpRecorder::NumericalLabel;
-        ao.x1 = x1;
-
-        AnaOpRecorder::addAnalysisOperation(ao);
-        //
-        break;
-    }
-    case AnalysisMode::StartPoint:
-    case AnalysisMode::StopPoint:{
-        PointCalculate::setRegionPointX(x1,x2);
-
-        QPair<QPointF, QPointF> startEndPointPair =
-                PointCalculate::calculateStartAndEndPoint();
-        //
-        QPointF point;
-        QString str;
-        AnaOpRecorder::AnalysisOperation ao;
-
-        if(_analysisMode == AnalysisMode::StartPoint){
-            point = startEndPointPair.first;
-            str = PointCalculate::textFormatStartPoint(point);
-            ao.mode = AnaOpRecorder::StartPoint;
-        }else{
-            point = startEndPointPair.second;
-            str = PointCalculate::textFormatEndPoint(point);
-            ao.mode = AnaOpRecorder::StopPoint;
-        }
-
-        drawText(point,str);
-        //
+    if(Global::_mode == Global::Mode::Analysis){
+        AnalysisOperation ao;
+        ao.mode = _analysisMode;
         ao.x1 = x1;
         ao.x2 = x2;
 
-        AnaOpRecorder::addAnalysisOperation(ao);
-        //
-        break;
+        AnaOpRecorder::_analysisOperationVtr.push_back(ao);
     }
-    case AnalysisMode::PeakSynthesisAnalysis:
-    {
-        fillGraph(x1,x2);
-
-        PointCalculate::setRegionPointX(x1,x2);
-
-        //enthalpy
-        double sampleWeight = 0.0f;
-        for(Global::CurveFileData& cfd:Global::_curveFileDataVtr){
-            for(Global::PhaseTotalInfo& pti:cfd.phaseTotalVtr){
-                if(_currentCurve && _currentCurve == pti.curve){
-                    sampleWeight = cfd.ei.sampleWeight.toDouble();
-                }
-            }
-        }
-        //        logde<<"sample weight:"<<sampleWeight;
-
-        double enthalpyValue = PointCalculate::calculateArea() / sampleWeight;
-
-        // peak
-        QPointF peakPoint = PointCalculate::getPeakPoint();
-
-        // start point and end point
-        QPair<QPointF, QPointF> startEndPointPair =
-                PointCalculate::calculateStartAndEndPoint();
-
-        logde<<"start,end:"<<startEndPointPair.first.x()<<","
-            <<startEndPointPair.second.x();
-
-        QString str;
-        if(Global::_displayTimeValue){
-            double peakPointTime = PointCalculate::obtainTimeValueBasedOnTemperatureValue(peakPoint.x());
-            double startPointTime = PointCalculate::obtainTimeValueBasedOnTemperatureValue(startEndPointPair.first.x());
-            double endPointTime = PointCalculate::obtainTimeValueBasedOnTemperatureValue(startEndPointPair.second.x());
-
-            str =    PointCalculate::textFormatPeakPointWithTime(
-                        enthalpyValue,
-                        peakPointTime,
-                        startPointTime,
-                        endPointTime);
-            drawText(peakPoint,str);
-
-        }else{
-            str =    PointCalculate::textFormatPeakPoint(enthalpyValue,
-                                                         peakPoint.x(),
-                                                         startEndPointPair.first.x(),
-                                                         startEndPointPair.second.x());
-            drawText(peakPoint,str);
-        }
-        //
-        AnaOpRecorder::AnalysisOperation ao;
-        ao.mode = AnaOpRecorder::PeakSynthesisAnalysis;
-        ao.x1 = x1;
-        ao.x2 = x2;
-
-        AnaOpRecorder::addAnalysisOperation(ao);
-        //
-        break;
-    }
-    case AnalysisMode::GlassTransition:
-    {
-        glassTransitionHandle(x1,x2);
-
-        //
-        AnaOpRecorder::AnalysisOperation ao;
-        ao.mode = AnaOpRecorder::GlassTransition;
-        ao.x1 = x1;
-        ao.x2 = x2;
-
-        AnaOpRecorder::addAnalysisOperation(ao);
-        //
-        break;
-    }
-    case AnalysisMode::OnsetTemperaturePoint:{
-#if 0
-        QPointF point = OnsetTemperaturePointHandle(x1,x2);
-
-        QString str = QString::number(point.y(),'f',3);
-
-        drawText(point,str);
-#endif
-
-        QPointF point =  OnsetTemperaturePointHandle(x1,x2);
-        QString str = QString::number(point.x(),'f',3);
-        drawText(point,str);
-
-        //
-        AnaOpRecorder::AnalysisOperation ao;
-        ao.mode = AnaOpRecorder::OnsetTemperaturePoint;
-        ao.x1 = x1;
-        ao.x2 = x2;
-
-        AnaOpRecorder::addAnalysisOperation(ao);
-        //
-
-        break;
-    }
-    case AnalysisMode::EndsetTemperaturePoint:{
-        break;
-    }
-    default:
-        break;
-    }
-#endif
 }
 
 void CentralWidget::slotAnalysisSettingConfirm()
@@ -1074,7 +921,7 @@ void CentralWidget::clearData(const CentralWidget::ClearDataMode mode)
             }
         }
         //
-        AnalysisOperationRecorder::_ananlysisOperationVtr.clear();
+        AnalysisOperationRecorder::_analysisOperationVtr.clear();
 
     }else if(mode == ClearDataMode::Undo){
         // Clear the data of graph.
@@ -1123,12 +970,8 @@ void CentralWidget::clearData(const CentralWidget::ClearDataMode mode)
     _customPlot->replot();
 }
 
-void CentralWidget::loadAnalysisData(const AnalysisOperation ao)
+void CentralWidget::loadAnalysisData(const AnalysisMode mode,const double x1,const double x2)
 {
-    if(Global::_mode == Global::Mode::Analysis){
-
-    }
-
     switch (mode) {
     case AnalysisMode::NumericalLabel:
     {
@@ -1145,13 +988,6 @@ void CentralWidget::loadAnalysisData(const AnalysisOperation ao)
 
         drawText(selectPoint,str);
 
-        //
-        AnaOpRecorder::AnalysisOperation ao;
-        ao.mode = AnalysisMode::NumericalLabel;
-        ao.x1 = x1;
-
-        AnaOpRecorder::addAnalysisOperation(ao);
-        //
         break;
     }
     case AnalysisMode::StartPoint:
@@ -1165,22 +1001,16 @@ void CentralWidget::loadAnalysisData(const AnalysisOperation ao)
         QString str;
         AnaOpRecorder::AnalysisOperation ao;
 
-        if(_analysisMode == AnalysisMode::StartPoint){
+        if(mode == AnalysisMode::StartPoint){
             point = startEndPointPair.first;
             str = PointCalculate::textFormatStartPoint(point);
-            ao.mode = Global::AnalysisMode::StartPoint;
         }else{
             point = startEndPointPair.second;
             str = PointCalculate::textFormatEndPoint(point);
-            ao.mode = Global::AnalysisMode::StopPoint;
         }
 
         drawText(point,str);
-        //
-        ao.x1 = x1;
-        ao.x2 = x2;
 
-        AnaOpRecorder::addAnalysisOperation(ao);
         //
         break;
     }
@@ -1233,13 +1063,7 @@ void CentralWidget::loadAnalysisData(const AnalysisOperation ao)
                                                          startEndPointPair.second.x());
             drawText(peakPoint,str);
         }
-        //
-        AnaOpRecorder::AnalysisOperation ao;
-        ao.mode = AnalysisMode::PeakSynthesisAnalysis;
-        ao.x1 = x1;
-        ao.x2 = x2;
 
-        AnaOpRecorder::addAnalysisOperation(ao);
         //
         break;
     }
@@ -1247,13 +1071,6 @@ void CentralWidget::loadAnalysisData(const AnalysisOperation ao)
     {
         glassTransitionHandle(x1,x2);
 
-        //
-        AnaOpRecorder::AnalysisOperation ao;
-        ao.mode = AnalysisMode::GlassTransition;
-        ao.x1 = x1;
-        ao.x2 = x2;
-
-        AnaOpRecorder::addAnalysisOperation(ao);
         //
         break;
     }
@@ -1270,13 +1087,6 @@ void CentralWidget::loadAnalysisData(const AnalysisOperation ao)
         QString str = QString::number(point.x(),'f',3);
         drawText(point,str);
 
-        //
-        AnaOpRecorder::AnalysisOperation ao;
-        ao.mode = AnalysisMode::OnsetTemperaturePoint;
-        ao.x1 = x1;
-        ao.x2 = x2;
-
-        AnaOpRecorder::addAnalysisOperation(ao);
         //
 
         break;
diff --git a/src/ui/centralwidget.h b/src/ui/centralwidget.h
index a9e6c8b..9d0b713 100644
--- a/src/ui/centralwidget.h
+++ b/src/ui/centralwidget.h
@@ -85,7 +85,7 @@ public slots:
 
 protected:
     void timerEvent(QTimerEvent* event);
-//    void contextMenuEvent(QContextMenuEvent *event);
+    //    void contextMenuEvent(QContextMenuEvent *event);
 private:
     void glassTransitionHandle(const double x1,const double x2);
     void quadraticFit(const QVector<QPointF>& points, double& a, double& b, double& c);
@@ -106,7 +106,7 @@ private:
     };
     void clearData(const ClearDataMode);
 
-    void loadAnalysisData(const AnalysisOperationRecorder::AnalysisOperation);
+    void loadAnalysisData(const AnalysisMode mode,const double x1,const double x2);
 private:
     AnalysisOperationRecorder::AnalysisMode _analysisMode;
     LocalCustomPlot *_customPlot;
diff --git a/src/ui/printereditform.cpp b/src/ui/printereditform.cpp
index 256bcca..01bda73 100644
--- a/src/ui/printereditform.cpp
+++ b/src/ui/printereditform.cpp
@@ -4,11 +4,23 @@
 PrinterEditForm::PrinterEditForm(QWidget *parent) :
     QWidget(parent),
     ui(new Ui::PrinterEditForm)
+
 {
     ui->setupUi(this);
+
 }
 
 PrinterEditForm::~PrinterEditForm()
 {
     delete ui;
 }
+
+
+
+
+
+
+
+
+
+
diff --git a/src/ui/printereditform.h b/src/ui/printereditform.h
index 9e0c4da..08be46f 100644
--- a/src/ui/printereditform.h
+++ b/src/ui/printereditform.h
@@ -2,6 +2,8 @@
 #define PRINTEREDITFORM_H
 
 #include <QWidget>
+#include <QPrinter>
+#include <QPrintPreviewDialog>
 
 namespace Ui {
 class PrinterEditForm;
@@ -17,6 +19,7 @@ public:
 
 private:
     Ui::PrinterEditForm *ui;
+
 };
 
 #endif // PRINTEREDITFORM_H
diff --git a/src/ui/printpreviewform.cpp b/src/ui/printpreviewform.cpp
index 59bc14e..cf39814 100644
--- a/src/ui/printpreviewform.cpp
+++ b/src/ui/printpreviewform.cpp
@@ -6,8 +6,21 @@
 PrintPreviewForm::PrintPreviewForm(QWidget *parent) :
     QWidget(parent),
     ui(new Ui::PrintPreviewForm)
+  ,_printer(new QPrinter(QPrinter::HighResolution))
+  ,_customPrintPreviewDialog(new QPrintPreviewDialog(_printer,this))
 {
     ui->setupUi(this);
+
+
+    _printer->setPageSize(QPageSize(QPageSize::A4));
+    _printer->setOrientation(QPrinter::Landscape);
+
+    QObject::connect(_customPrintPreviewDialog, &QPrintPreviewDialog::paintRequested,
+                     this,&PrintPreviewForm::slotPaintRequested);
+
+    _customPrintPreviewDialog->setWindowFlags(_customPrintPreviewDialog->windowFlags()
+                                 | Qt::WindowMaximizeButtonHint
+                                 | Qt::WindowMinimizeButtonHint);
 }
 
 PrintPreviewForm::~PrintPreviewForm()
@@ -21,3 +34,67 @@ void PrintPreviewForm::setPixmap(const QPixmap &pixmap)
     localPixmap.scaled(ui->labelPixmap->size());
     ui->labelPixmap->setPixmap(pixmap);
 }
+
+
+void PrintPreviewForm::slotPaintRequested(QPrinter *printer)
+{
+    printer->setOrientation(QPrinter::Landscape);
+    QPainter painter(printer);
+
+    // 绘制第一页（不需要先调用 newPage()）
+    //        painter.drawText(100, 100, "Page 1");
+
+    QRect pageRect = printer->pageRect();
+    qDebug()<<"rect:"<<pageRect;
+
+    //    painter.drawText(pageRect.width()/2 - 50, 100, "Page 1"); // 居中显示
+
+
+
+#if 1
+    // 绘制矩形框
+    QRect frameRect(50, 50, pageRect.width() - 100, pageRect.height() - 100);
+    QPen pen(Qt::black, 1); // 设置笔的宽度和颜色
+    painter.setPen(pen);
+    painter.drawRect(frameRect);
+
+    // 在框中绘制文字
+    //    painter.drawText(frameRect, Qt::AlignCenter, "Hello, World!");
+#endif
+
+    // Draw image.
+    QRect imageRect = frameRect;
+    imageRect.setHeight(imageRect.height() - 200);
+    QPixmap pixmap(":/curve.png"); // 确保这个路径是正确的
+    if (!pixmap.isNull()) {
+#if 0
+        QRect pixmapRect = pixmap.rect();
+        pixmapRect.moveCenter(pageRect.center());
+#endif
+        painter.drawPixmap(imageRect, pixmap);
+    }else{
+        qDebug()<<" file not exist";
+    }
+    // File info.
+    QRect fileInfoRect(frameRect.x(),frameRect.y() + imageRect.height(),
+                       frameRect.width(),30);
+    painter.drawRect(fileInfoRect);
+    painter.drawText(fileInfoRect, Qt::AlignLeft|Qt::AlignVCenter, "  Hello, World!");
+
+    // Experiment info.
+    QRect experimentRect(frameRect.x(),fileInfoRect.y() + fileInfoRect.height(),
+                         400,frameRect.height() - imageRect.height() - fileInfoRect.height());
+    painter.drawRect(experimentRect);
+
+    QString experimentInfoStr = QString("  实验员：%1 \n"
+                              "  时间：%2 \n").arg("Jay").arg("20250101");
+    painter.drawText(experimentRect, Qt::AlignLeft|Qt::AlignVCenter, experimentInfoStr);
+    // Phase info.
+    QRect phaseInfoRect(experimentRect.x() + experimentRect.width(),experimentRect.y(),
+                        frameRect.width() - experimentRect.width(),experimentRect.height());
+    QString phaseInfoStr = QString("  气氛：%1 ; 扫描速率：%2 ; 持续时间：%3 \n").arg("Jay").arg("20250101");
+    painter.drawText(phaseInfoRect, Qt::AlignLeft|Qt::AlignVCenter, phaseInfoStr);
+}
+
+
+
diff --git a/src/ui/printpreviewform.h b/src/ui/printpreviewform.h
index 0712a75..bcceb46 100644
--- a/src/ui/printpreviewform.h
+++ b/src/ui/printpreviewform.h
@@ -2,6 +2,8 @@
 #define PRINTPREVIEWFORM_H
 
 #include <QWidget>
+#include <QPrinter>
+#include <QPrintPreviewDialog>
 
 namespace Ui {
 class PrintPreviewForm;
@@ -16,9 +18,13 @@ public:
     ~PrintPreviewForm();
 
     void setPixmap(const QPixmap &);
+
+    QPrintPreviewDialog* _customPrintPreviewDialog;
+private slots:
+    void slotPaintRequested(QPrinter *printer);
 private:
     Ui::PrintPreviewForm *ui;
-
+   QPrinter * _printer;
 };
 
 #endif // PRINTPREVIEWFORM_H