diff --git a/src/AnalysTool.pro b/src/AnalysTool.pro
index 796640d..00970e7 100644
--- a/src/AnalysTool.pro
+++ b/src/AnalysTool.pro
@@ -20,6 +20,7 @@ include(thirdparty\QtXlsxWriter-0.3.0\src\xlsx\qtxlsx.pri)
 SOURCES += \
     data/filemanager.cpp \
     data/pointcalculate.cpp \
+    data/txthandler.cpp \
     global.cpp \
     logger/logger.cpp \
     ui/aboutform.cpp \
@@ -44,6 +45,7 @@ SOURCES += \
     data/xlsxhandler.cpp
 
 HEADERS += \
+    data/txthandler.h \
     global.h \
     data/filemanager.h \
     data/pointcalculate.h \
diff --git a/src/data/filemanager.cpp b/src/data/filemanager.cpp
index 2a11cd3..f72e81d 100644
--- a/src/data/filemanager.cpp
+++ b/src/data/filemanager.cpp
@@ -4,7 +4,7 @@
 
 #include "filemanager.h"
 
-
+#if 0
 namespace FileManager {
 
 Global::ExperimentInfo _expeInfo;
@@ -17,6 +17,7 @@ void writeExperimentFile(const CommonData &cd)
 
         createExperimentFile();
     }
+
     QTextStream out(&_expeFile);
     out.setRealNumberPrecision(3); // 设置精度为三位小数
     out.setRealNumberNotation(QTextStream::FixedNotation);
@@ -67,7 +68,6 @@ void close()
     }
 }
 
-
 void readExperimentFile(const QString fileName, QVector<Global::ExperimentData> &dataVtr)
 {
     if(fileName.isEmpty()){
@@ -101,5 +101,11 @@ void readExperimentFile(const QString fileName, QVector<Global::ExperimentData>
     _expeFile.close();
 }
 
+void writeFile()
+{
+    createExperimentFile();
+}
 
 }
+
+#endif
diff --git a/src/data/filemanager.h b/src/data/filemanager.h
index b1b31b2..3f09d97 100644
--- a/src/data/filemanager.h
+++ b/src/data/filemanager.h
@@ -9,15 +9,13 @@
 #include "protocol.h"
 #include "global.h"
 
+#if 0
 namespace FileManager{
-const QString ExperimentDirPath  = QDir::currentPath()+"/../experiment_data";
-const QString SampleDataFloder = ExperimentDirPath + "/sample_data";
-const QString BaseLineFolder = ExperimentDirPath + "/base_line";
-const QString AnalysisStateFolder = ExperimentDirPath + "/analysis_state";
-
 extern Global::ExperimentInfo _expeInfo;
 extern QFile _expeFile;
 
+void writeFile();
+
 void createExperimentFile();
 void writeExperimentFile(const CommonData&);
 void close();
@@ -26,5 +24,6 @@ void readExperimentFile(const QString fileName,QVector<Global::ExperimentData>&)
 
 void test();
 };
+#endif
 
 #endif
diff --git a/src/data/txthandler.cpp b/src/data/txthandler.cpp
new file mode 100644
index 0000000..ea27300
--- /dev/null
+++ b/src/data/txthandler.cpp
@@ -0,0 +1,2 @@
+#include "txthandler.h"
+
diff --git a/src/data/txthandler.h b/src/data/txthandler.h
new file mode 100644
index 0000000..751af29
--- /dev/null
+++ b/src/data/txthandler.h
@@ -0,0 +1,8 @@
+#ifndef TXTHANDLER_H
+#define TXTHANDLER_H
+
+namespace TxtHandler {
+
+}
+
+#endif // TXTHANDLER_H
diff --git a/src/data/xlsxhandler.cpp b/src/data/xlsxhandler.cpp
index c6c0611..5ca9e1e 100644
--- a/src/data/xlsxhandler.cpp
+++ b/src/data/xlsxhandler.cpp
@@ -3,33 +3,39 @@
 
 void XlsxHandler::test()
 {
+#if 0
     QString sourceFilePath = QDir::currentPath() + "/sample.xlsx";
     qDebug() << "fileName:" << sourceFilePath;
     readFile(sourceFilePath);
+#endif
+    QString sourceFilePath = QDir::currentPath() + "/sample-save.xlsx";
+    writeFile(sourceFilePath);
 }
-void XlsxHandler::readFile(const QString sourceFilePath)
+int XlsxHandler::readFile(const QString sourceFilePath, Global::CurveFileData &cfd)
 {
-    // 检查文件是否存在
     if(!QFile::exists(sourceFilePath))
     {
         qDebug() << "xlsx file not existed:" << sourceFilePath;
-        return;
+        return 1;
+    }
+    QFileInfo fileInfo(sourceFilePath);
+
+    // 获取文件的后缀名并转换为小写，方便比较
+    QString fileSuffix = fileInfo.suffix().toLower();
+
+    // 判断后缀名是否为 "xlsx"
+    if (fileSuffix != "xlsx") {
+        std::cout << "该文件的后缀不是 xlsx" << std::endl;
+        return 2;
     }
 
-    // 尝试打开文件
     QXlsx::Document xlsx(sourceFilePath);
 
-#if 0
-    // 获取所有工作表名称
-    QStringList sheetNames = xlsx.sheetNames();
-    qDebug() << "工作表名称：" << sheetNames;
-#endif
-
     QXlsx::Worksheet *workSheet = xlsx.currentWorksheet();
     if(!workSheet)
     {
-        qDebug() << "current sheet is empty.";
-        return;
+        logde << "current sheet is empty.";
+        return 3;
     }
 
     // 获取工作表的行数和列数
@@ -40,9 +46,9 @@ void XlsxHandler::readFile(const QString sourceFilePath)
     logde << "0:" << workSheet->cellAt(1, 1)->value().toString().toStdString();
     qDebug() << workSheet->cellAt(1, 1)->value().toString();
 
-
-    int                    index = 2;
-    Global::ExperimentInfo ei;
+    //
+    int index = 2;
+    Global::ExperimentInfo& ei = cfd.ei;
     ei.sampleName = workSheet->cellAt(index++, 2)->value().toString();
     ei.sampleWeight = workSheet->cellAt(index++, 2)->value().toString();
     index++;   // skip crucible weight.
@@ -51,7 +57,7 @@ void XlsxHandler::readFile(const QString sourceFilePath)
     index++;     // skip measure type.
     ei.phaseSize    = workSheet->cellAt(index++, 2)->value().toInt();
 
-    QVector<Global::PhaseTotalInfo> phaseTotalVtr;
+    QVector<Global::PhaseTotalInfo>& phaseTotalVtr = cfd.phaseTotalVtr;
     int                             startLineIndex = 9;
     for(int i = 0; i < ei.phaseSize; i++)
     {
@@ -61,6 +67,7 @@ void XlsxHandler::readFile(const QString sourceFilePath)
         readPhaseData(workSheet, startLineIndex, phaseTotal);
         phaseTotalVtr.push_back(phaseTotal);
     }
+    return 0;
 }
 
 void XlsxHandler::readPhaseData(QXlsx::Worksheet *workSheet, int &startLineIndex,
@@ -90,14 +97,15 @@ void XlsxHandler::readPhaseData(QXlsx::Worksheet *workSheet, int &startLineIndex
     }
 }
 
-void XlsxHandler::writeFile()
+void XlsxHandler::writeFile(const QString filePath)
 {
     Global::ExperimentInfo& ei = Global::_experimentInfo;
 
     QXlsx::Document xlsx;
     xlsx.addSheet("Sheet1"); // 添加一个新的工作表
 
-    int row = 0;
+    // Write experiment info.
+    int row = 1;
     xlsx.write(row++ , 1, ConFileDataInfo);
 
     xlsx.write(row , 1, ConSampleName);
@@ -130,7 +138,7 @@ void XlsxHandler::writeFile()
     xlsx.write(row , 2, ei.phaseVtr.size());
     row++;
 
-    // write phase data
+    // Write phase data.
     int dataSizeRow = 0;
     for(int i = 0; i < ei.phaseVtr.size();i++){
         const Phase& phase = ei.phaseVtr.at(i);
@@ -176,13 +184,30 @@ void XlsxHandler::writeFile()
         row++;
 
         // phase data.
+
+        const QVector<Global::ExperimentData>& edVtr =
+                Global::_curveExperimentDataVtr.at(i).dataVtr;
+        // phase data size.
         dataSizeRow = row;
         xlsx.write(row , 1, ConPhaseDataSize);
-        xlsx.write(row , 2, 0);
+        xlsx.write(row , 2, edVtr.size());
         row++;
 
+        for(int index = 0;index < edVtr.size();index++){
+            const Global::ExperimentData & ed = edVtr.at(index);
+
+            xlsx.write(row , 1, index);
+            xlsx.write(row , 2, ed.runTime);
+            xlsx.write(row , 3, ed.constantTempTime);
+            xlsx.write(row , 4, ed.sampleTemp);
+            xlsx.write(row , 5, ed.dsc);
+        }
     }
 
+    if (!xlsx.saveAs(filePath)) {
+        logde<<"Save xlsx failed.";
+        return  ;
+    }
     
 #if 0
     // 创建一个新的 Excel 文档
@@ -213,3 +238,4 @@ void XlsxHandler::writeFile()
     return  ;
 #endif
 }
+
diff --git a/src/data/xlsxhandler.h b/src/data/xlsxhandler.h
index 650ec5b..bd9a6e6 100644
--- a/src/data/xlsxhandler.h
+++ b/src/data/xlsxhandler.h
@@ -9,10 +9,19 @@
 
 namespace XlsxHandler {
     void test();
-    void readFile(const QString filePath);
+    /**
+     * @brief readFile
+     * @param filePath
+     * @return
+     * 0:Succ;
+     * 1:File not existed;
+     * 2:File not xlsx;
+     * 3:Sheet is empty.
+     */
+    int readFile(const QString filePath,Global::CurveFileData&);
     void readPhaseData(QXlsx::Worksheet*,int& startLineIndex,Global::PhaseTotalInfo&);
 
-    void writeFile();
+    void writeFile(const QString filePath);
 
     const QString ConUnitMg = "mg";
     const QString ConUnitDegreeCentigrade = "℃";
diff --git a/src/global.cpp b/src/global.cpp
index 28e6a51..f106fd4 100644
--- a/src/global.cpp
+++ b/src/global.cpp
@@ -1,10 +1,12 @@
 #include "global.h"
 
 namespace Global {
-ExperimentInfo _experimentInfo;
 Mode _mode;
 
-QVector<QPair<QCPCurve*,QVector<Global::ExperimentData>>> _curveDataVtr;
+QVector<CurveFileData> _curveFileDataVtr;
+
+ExperimentInfo _experimentInfo;
+QVector<CurveExperimentData> _curveExperimentDataVtr;
 }
 
 #if 0
diff --git a/src/global.h b/src/global.h
index 419c50c..e913186 100644
--- a/src/global.h
+++ b/src/global.h
@@ -8,6 +8,11 @@
 #include "protocol.h"
 
 namespace Global {
+const QString ExperimentDirPath  = QDir::currentPath()+"/../experiment_data";
+const QString SampleDataFloder = ExperimentDirPath + "/sample_data";
+const QString BaseLineFolder = ExperimentDirPath + "/base_line";
+const QString AnalysisStateFolder = ExperimentDirPath + "/analysis_state";
+
 enum Mode{
     Analysis,
     ConnectedToDev,
@@ -50,12 +55,26 @@ struct PhaseTotalInfo{
     int phaseIndex; // from 1 to 6.
     Phase phase;
     QVector<ExperimentData> dataVtr;
+    QCPCurve * curve;
 };
 
-//
-extern QVector<QPair<QCPCurve*,QVector<Global::ExperimentData>>> _curveDataVtr;
-extern ExperimentInfo _experimentInfo;
+struct CurveFileData{
+    Global::ExperimentInfo ei;
+    QVector<Global::PhaseTotalInfo> phaseTotalVtr;
+};
+
+struct CurveExperimentData{
+    QCPCurve * curve;
+    QVector<Global::ExperimentData> dataVtr;
+};
+
+// Soft mode.
 extern Mode _mode;
+// Xlsx file data.
+extern QVector<CurveFileData> _curveFileDataVtr;
+// Experiment setting data.
+extern ExperimentInfo _experimentInfo;
+extern QVector<CurveExperimentData> _curveExperimentDataVtr;
 }
 
 #if 0
@@ -92,13 +111,13 @@ public:
         float dsc;
     };
 
-//    struct ExpeInfo
-//    {
-//        QString sampleName;
-//        float sampleWeight;
-//        QString date;
-//        QString userName;
-//    };
+    //    struct ExpeInfo
+    //    {
+    //        QString sampleName;
+    //        float sampleWeight;
+    //        QString date;
+    //        QString userName;
+    //    };
 
     enum TestType{
         OIT,
diff --git a/src/main.cpp b/src/main.cpp
index fe8ea49..6392895 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -22,10 +22,10 @@ int main(int argc, char *argv[])
     QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // 启用高DPI缩放
     QApplication a(argc, argv);
 
-//    MainWindow w;
-//    w.show();
+    MainWindow w;
+    w.show();
 
-        XlsxHandler::test();
+//        XlsxHandler::test();
 
 
     //   FileManager::test();
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 74e0408..09ffbee 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -52,11 +52,11 @@ MainWindow::MainWindow(QWidget *parent)
     _degreeOfCureForm->setWindowFlags(_degreeOfCureForm->windowFlags()|
                                       Qt::Dialog);
     _instrumentCoefficientForm->setWindowFlags(_instrumentCoefficientForm->windowFlags()|
-                                      Qt::Dialog);
+                                               Qt::Dialog);
     _OITAutoAnalysisParamForm->setWindowFlags(_OITAutoAnalysisParamForm->windowFlags()|
-                                      Qt::Dialog);
-//    _degreeOfCrystallinityForm->setWindowFlags(_degreeOfCrystallinityForm->windowFlags()|
-//                                      Qt::Dialog);
+                                              Qt::Dialog);
+    //    _degreeOfCrystallinityForm->setWindowFlags(_degreeOfCrystallinityForm->windowFlags()|
+    //                                      Qt::Dialog);
 
     // 设置子窗口为模态对话框
     _degreeOfCrystallinityForm->setWindowModality(Qt::ApplicationModal);
@@ -87,7 +87,6 @@ MainWindow::~MainWindow()
     // 假设 Ui::MainWindow 不是 QObject 派生类
     delete ui;
 
-    FileManager::close();
 }
 
 void MainWindow::slotContextMenuShow(const QPoint point)
@@ -116,8 +115,8 @@ void MainWindow::connections()
 #endif
 
     // mode
-//    connect(Global::instance(), &Global::sigModeModify,
-//            _centralWidget, &CentralWidget::slotModeModify);
+    //    connect(Global::instance(), &Global::sigModeModify,
+    //            _centralWidget, &CentralWidget::slotModeModify);
     //analysis
     connect(_leftWidget,&LeftWidget::sigSendAnalysisFileName,
             _centralWidget,&CentralWidget::slotRecvAnalysisFileName);
@@ -171,9 +170,10 @@ void MainWindow::on_actionStop_triggered()
     QByteArray ba = DataParser::setDeviceStartStop(DeviceStartMode::Stop);
     SerialPort::instance()->slotSendData(ba);
 
-    FileManager::close();
+    // Save data.
 
-//    Global::instance()->setMode(Global::Mode::Analysis);
+
+    //    Global::instance()->setMode(Global::Mode::Analysis);
     Global::_mode = Global::Mode::Analysis;
 }
 
@@ -190,16 +190,14 @@ void MainWindow::on_actionStart_triggered()
     qDebug() << "on_actionStart_triggered info (hex):" << hexData;
 
     SerialPort::instance()->slotSendData(ba);
-    //
-    FileManager::createExperimentFile();
 
-//    Global::instance()->setMode(Global::Mode::ExperimentStart);
+    //    Global::instance()->setMode(Global::Mode::ExperimentStart);
     Global::_mode = Global::Mode::ExperimentStart;
 }
 
 void MainWindow::on_actionReadOnly_triggered()
 {
-//    Global::instance()->setMode(Global::Mode::ExperimentStart);
+    //    Global::instance()->setMode(Global::Mode::ExperimentStart);
     Global::_mode = Global::Mode::ExperimentStart;
     SerialPort::instance()->openSp();
 }
@@ -214,7 +212,7 @@ void MainWindow::on_actionConnectToDev_triggered()
     if (SerialPort::instance()->openSp())
     {
         setActionEnable(true);
-//        Global::instance()->setMode(Global::Mode::ConnectedToDev);
+        //        Global::instance()->setMode(Global::Mode::ConnectedToDev);
         Global::_mode = Global::Mode::ConnectedToDev;
 
         QByteArray ba = DataParser::inquirePhaseInfo();
@@ -274,7 +272,7 @@ void MainWindow::on_actionSpecificHeatCompMethod_triggered()
 
 void MainWindow::on_actionDegreeOfCrystallinity_triggered()
 {
-//    QMessageBox::warning(this, "warnning", "结晶度.");
+    //    QMessageBox::warning(this, "warnning", "结晶度.");
     _degreeOfCrystallinityForm->show();
 }
 
diff --git a/src/ui/analysissettingform.cpp b/src/ui/analysissettingform.cpp
index d0e6216..4208ca0 100644
--- a/src/ui/analysissettingform.cpp
+++ b/src/ui/analysissettingform.cpp
@@ -21,7 +21,7 @@ AnalysisSettingForm::AnalysisSettingForm(QWidget *parent) :
 
     QFormLayout *editLayout = new QFormLayout();
     editLayout->addRow("左边界:",_leftBorderSpinBox);
-    editLayout->addRow("有边界:",_rightBorderSpinBox);
+    editLayout->addRow("右边界:",_rightBorderSpinBox);
     editLayout->addRow("阈值:",_thresholdLineEdit);
 
     QGridLayout *buttonLayout = new QGridLayout();
@@ -40,9 +40,9 @@ AnalysisSettingForm::AnalysisSettingForm(QWidget *parent) :
     layout->addLayout(editLayout);
     layout->addSpacerItem(spacer);
     layout->addLayout(buttonLayout);
-    layout->addLayout(editLayout);
+//    layout->addLayout(editLayout);
     //    layout->setSpacing(1);
-    layout->addLayout(buttonLayout);
+//    layout->addLayout(buttonLayout);
     layout->addStretch(1);
     //
 #if 0
diff --git a/src/ui/centralwidget.cpp b/src/ui/centralwidget.cpp
index 05492a5..fcffbb2 100644
--- a/src/ui/centralwidget.cpp
+++ b/src/ui/centralwidget.cpp
@@ -8,10 +8,11 @@
 #include "filemanager.h"
 #include "pointcalculate.h"
 #include "logger.h"
+#include "xlsxhandler.h"
 
 CentralWidget::CentralWidget(QWidget *parent)
-    : QWidget(parent),
-      _customPlot(new QCustomPlot(this))
+    : QWidget(parent)
+    ,_customPlot(new QCustomPlot(this))
     ,_analysisMode(AnalysisMode::None)
 {
     setMouseTracking(true);
@@ -46,7 +47,8 @@ CentralWidget::CentralWidget(QWidget *parent)
 
     _customPlot->installEventFilter(_eventHandler);
     //    _customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom | QCP::iSelectPlottables);
-    _customPlot->setInteractions( QCP::iRangeZoom | QCP::iSelectPlottables);
+    //    _customPlot->setInteractions( QCP::iRangeZoom | QCP::iSelectPlottables);
+    _customPlot->setInteractions(QCP::iSelectPlottables);
 
     connect(_eventHandler,&EventHandler::sigSendLineXCoord,
             this,&CentralWidget::sigSendLineXCoord);
@@ -75,7 +77,6 @@ CentralWidget::CentralWidget(QWidget *parent)
 
 CentralWidget::~CentralWidget()
 {
-    FileManager::close();
 }
 
 void CentralWidget::setAnalysisMode(const CentralWidget::AnalysisMode mode)
@@ -121,7 +122,6 @@ void CentralWidget::slotModeModify(const Global::Mode mode)
     else if (Global::Mode::Analysis == mode)
     {
         qDebug() << "file close...";
-        FileManager::close();
     }
 }
 
@@ -131,15 +131,25 @@ void CentralWidget::slotRecvCommonData(const CommonData &cd)
 
     if(!_currentCurve){
         _currentCurve = new QCPCurve(_customPlot->xAxis, _customPlot->yAxis);
-
-        Global::_curveDataVtr.clear();
-
-        Global::_curveDataVtr.push_back(qMakePair<QCPCurve*, QVector<Global::ExperimentData>>(
-                                            _currentCurve, QVector<Global::ExperimentData>()
-                                            ));
     }
+    // Update curve.
+    _currentCurve->addData(cd.sample_temp, cd.dsc);
 
-    QVector<Global::ExperimentData>& edVtr = Global::_curveDataVtr.first().second;
+    _customPlot->rescaleAxes();
+    _customPlot->replot();
+
+    // Record data.
+    QVector<Global::ExperimentData>* pEdVtr = nullptr;  // 声明指针变量
+    for(auto item:Global::_curveExperimentDataVtr){
+        if(item.curve == _currentCurve){
+            pEdVtr = &item.dataVtr;
+            break;
+        }
+    }
+    if(!pEdVtr){
+        Global::_curveExperimentDataVtr.push_back({_currentCurve, {}});
+        pEdVtr = &Global::_curveExperimentDataVtr.back().dataVtr;
+    }
 
     Global::ExperimentData ed;
     ed.dsc = cd .dsc;
@@ -147,19 +157,7 @@ void CentralWidget::slotRecvCommonData(const CommonData &cd)
     ed.runTime = cd.add_run_time;
     ed.constantTempTime = cd.add_constan_temp_time;
 
-    edVtr.push_back(ed);
-
-    _currentCurve->addData(cd.sample_temp, cd.dsc);
-
-    //        customPlot->xAxis->rescale();
-    //        customPlot->yAxis->rescale();
-
-    //    _customPlot->graph(0)->addData(cd.sample_temp, cd.dsc); // 添加数据到曲线
-
-    _customPlot->rescaleAxes();
-    _customPlot->replot();
-    //
-    FileManager::writeExperimentFile(cd);
+    pEdVtr->push_back(ed);
 }
 
 void CentralWidget::slotRecvAnalysisFileName(const QString &fileName)
@@ -167,49 +165,43 @@ void CentralWidget::slotRecvAnalysisFileName(const QString &fileName)
     qDebug() << "slotRecvAnalysisFileName" << fileName;
 
     // todo.禁止重复文件添加。
+    Global::CurveFileData cfd;
+    XlsxHandler::readFile(fileName,cfd);
 
-    _dataVtr.clear();
-    FileManager::readExperimentFile(fileName, _dataVtr);
+    for(int i = 0;i < cfd.phaseTotalVtr.size();i++){
+        Global::PhaseTotalInfo& pti = cfd.phaseTotalVtr[i];
+
+        PointCalculate::setExperimentData(pti.dataVtr);
+        QPair<QPointF,QPointF>startEndPointPair =  PointCalculate::getStartAndEndPoint();
+
+        QPointF endPoint = startEndPointPair.second;
+        _customPlot->xAxis->setRange(0, endPoint.x() / 3 * 4);
+
+        QPointF peakPoint = PointCalculate::getPeakPoint();
+        float absY = std::abs(peakPoint.y());
+        _customPlot->yAxis->setRange(- absY * 2,absY *2);
+
+        // 设置坐标轴标签
+        _customPlot->yAxis->setLabel("DSC/mW");
+        _customPlot->xAxis->setLabel("Temp/℃");
+
+        QVector<double> tVtr,xVtr, yVtr;
+        int index = 0;
+        for (Global::ExperimentData &ed : pti.dataVtr)
+        {
+            tVtr.push_back(index++);
+            xVtr.push_back(ed.sampleTemp);
+            yVtr.push_back(ed.dsc);
+        }
+
+        _currentCurve = new QCPCurve(_customPlot->xAxis, _customPlot->yAxis);
+        _currentCurve->setData(tVtr, xVtr, yVtr);
+        //    _currentCurve->setPen(QPen(Qt::red)); // 设置线条颜色为红色
+        //    _currentCurve->setBrush(QBrush(QColor(255, 0, 0, 20))); // 设置填充颜色并带有透明度
+        _currentCurve->setSelectable(QCP::stWhole); // 设置曲线可选
+        //    _currentCurve->setSelectable(QCP::stPlottable); // 设置曲线可选
 
-    if (_dataVtr.size() < 0)
-    {
-        return;
     }
-    //
-    //    _customPlot->xAxis->setRange(0, 500);
-    //        _customPlot->yAxis->setRange(-20, 20);
-    PointCalculate::setExperimentData(_dataVtr);
-    QPair<QPointF,QPointF>startEndPointPair =  PointCalculate::getStartAndEndPoint();
-
-    QPointF endPoint = startEndPointPair.second;
-    _customPlot->xAxis->setRange(0, endPoint.x() / 3 * 4);
-
-    QPointF peakPoint = PointCalculate::getPeakPoint();
-    float absY = std::abs(peakPoint.y());
-    _customPlot->yAxis->setRange(- absY * 2,absY *2);
-
-    // 设置坐标轴标签
-    _customPlot->yAxis->setLabel("DSC/mW");
-    _customPlot->xAxis->setLabel("Temp/℃");
-
-    QVector<double> tVtr,xVtr, yVtr;
-    int index = 0;
-    for (Global::ExperimentData &ed : _dataVtr)
-    {
-        tVtr.push_back(index++);
-        xVtr.push_back(ed.sampleTemp);
-        yVtr.push_back(ed.dsc);
-    }
-
-    _currentCurve = new QCPCurve(_customPlot->xAxis, _customPlot->yAxis);
-    _currentCurve->setData(tVtr, xVtr, yVtr);
-    //    _currentCurve->setPen(QPen(Qt::red)); // 设置线条颜色为红色
-    //    _currentCurve->setBrush(QBrush(QColor(255, 0, 0, 20))); // 设置填充颜色并带有透明度
-    _currentCurve->setSelectable(QCP::stWhole); // 设置曲线可选
-    //    _currentCurve->setSelectable(QCP::stPlottable); // 设置曲线可选
-
-    Global::_curveDataVtr.push_back(qMakePair<QCPCurve*,QVector<Global::ExperimentData>>(
-                                        _currentCurve,_dataVtr));
 
     // 清除第一个图表上的数据
 #if 0
@@ -629,7 +621,7 @@ void CentralWidget::clearData(const CentralWidget::ClearDataMode mode)
         }
 
         // Clear data.
-        Global::_curveDataVtr.clear();
+        Global::_curveExperimentDataVtr.clear();
 
         // Set lines visiable false.
         _line1->setVisible(false);
diff --git a/src/ui/centralwidget.h b/src/ui/centralwidget.h
index acd80eb..5cc2e43 100644
--- a/src/ui/centralwidget.h
+++ b/src/ui/centralwidget.h
@@ -69,7 +69,7 @@ private:
 //    QVector<QCPGraph*> _graphVtr;
     EventHandler* _eventHandler;
     QCPItemStraightLine *_line1,*_line2;
-    QVector<Global::ExperimentData> _dataVtr;
+//    QVector<Global::ExperimentData> _dataVtr;
     QVector<QCPItemStraightLine*> _lineVtr;
 };
 
diff --git a/src/ui/experimentsettingform.cpp b/src/ui/experimentsettingform.cpp
index 9fa7537..32369af 100644
--- a/src/ui/experimentsettingform.cpp
+++ b/src/ui/experimentsettingform.cpp
@@ -34,6 +34,7 @@ ExperimentSettingForm::ExperimentSettingForm(QWidget *parent) : QWidget(parent),
 
     //    connect(ui->pushButton_connect_to_device,&QPushButton::clicked,
     //            this,&ExperimentSettingForm::slotConnectToDevice);
+
     connect(ui->pushButton_cancel, &QPushButton::clicked,
             this, &ExperimentSettingForm::slotCancel);
 }
@@ -326,7 +327,7 @@ void ExperimentSettingForm::slotPhase6StateChanged(int state)
     }
 }
 
-void ExperimentSettingForm::slotConnectToDevice()
+void ExperimentSettingForm::on_pushButton_deliverData_clicked()
 {
     QVector<Phase> phaseVtr;
     if (ui->checkBox_phase_1->checkState())
@@ -401,11 +402,6 @@ void ExperimentSettingForm::slotConnectToDevice()
 
         phaseVtr.push_back(phase);
     }
-
-    QByteArray ba = DataParser::connectToDevice(phaseVtr);
-    qDebug() << "ba size:" << ba.size();
-    emit sigDeliverData(ba);
-
     //
     Global::ExperimentInfo& ei = Global::_experimentInfo;
     ei.phaseVtr = phaseVtr;
@@ -422,6 +418,10 @@ void ExperimentSettingForm::slotConnectToDevice()
 
     ei.initialAtmosPhere = (GasType)(ui->comboBox_phase_1_atmosphere->currentIndex());
 
+    //
+    QByteArray ba = DataParser::connectToDevice(phaseVtr);
+    qDebug() << "ba size:" << ba.size();
+    emit sigDeliverData(ba);
     hide();
 }
 
@@ -484,16 +484,6 @@ void ExperimentSettingForm::slotPhaseCheck()
     }
 }
 
-void ExperimentSettingForm::on_pushButton_deliverData_clicked()
-{
-    slotConnectToDevice();
-
-    FileManager::_expeInfo.sampleName = ui->sampleNameLineEdit->text();
-    FileManager::_expeInfo.sampleWeight = ui->sampleWeightLineEdit->text().toInt(nullptr, 16);
-    FileManager::_expeInfo.date = ui->dateTimeLineEdit->text();
-    FileManager::_expeInfo.experimentor = ui->userLineEdit->text();
-}
-
 void ExperimentSettingForm::slotRecvPhaseInfo(const QByteArray &ba)
 {
     QByteArray localba = ba;
diff --git a/src/ui/experimentsettingform.h b/src/ui/experimentsettingform.h
index d71a113..ff9c72a 100644
--- a/src/ui/experimentsettingform.h
+++ b/src/ui/experimentsettingform.h
@@ -37,9 +37,7 @@ private:
     void slotPhase5StateChanged(int state);
     void slotPhase6StateChanged(int state);
 
-    void slotConnectToDevice();
     void slotCancel();
-
 private:
     Ui::ExperimentSettingForm *ui;
 };
diff --git a/src/ui/instrumentcoefficientform.cpp b/src/ui/instrumentcoefficientform.cpp
index d39a557..7b23ee2 100644
--- a/src/ui/instrumentcoefficientform.cpp
+++ b/src/ui/instrumentcoefficientform.cpp
@@ -18,11 +18,6 @@ void InstrumentCoefficientForm::on_pushButtonCalculate_clicked()
 
 }
 
-void InstrumentCoefficientForm::on_pushButtonExit_clicked()
-{
-
-}
-
 void InstrumentCoefficientForm::on_pushButtonCancel_clicked()
 {
     hide();
diff --git a/src/ui/instrumentcoefficientform.h b/src/ui/instrumentcoefficientform.h
index 71c5319..a7aa750 100644
--- a/src/ui/instrumentcoefficientform.h
+++ b/src/ui/instrumentcoefficientform.h
@@ -18,8 +18,6 @@ public:
 private slots:
     void on_pushButtonCalculate_clicked();
     
-    void on_pushButtonExit_clicked();
-    
     void on_pushButtonCancel_clicked();
 
 private:
diff --git a/src/ui/leftwidget.cpp b/src/ui/leftwidget.cpp
index 209cb50..dab0b69 100644
--- a/src/ui/leftwidget.cpp
+++ b/src/ui/leftwidget.cpp
@@ -29,9 +29,9 @@ LeftWidget::LeftWidget(QWidget *parent ): QDockWidget(parent)
     setWidget(_treeWidget);
 
     //init file name.
-    initFileName(_sampleDataItem,FileManager::SampleDataFloder);
-    initFileName(_baseLineItem,FileManager::BaseLineFolder);
-    initFileName(_analysisStateItem,FileManager::AnalysisStateFolder);
+    initFileName(_sampleDataItem,Global::SampleDataFloder);
+    initFileName(_baseLineItem,Global::BaseLineFolder);
+    initFileName(_analysisStateItem,Global::AnalysisStateFolder);
 
     expandAll(_sampleDataItem);
     expandAll(_baseLineItem);
@@ -88,11 +88,11 @@ void LeftWidget::slotTreeWidgetItemClicked(QTreeWidgetItem *item, int column){
     if (parentItem) {
         qDebug() << "parent item text:" << parentItem->text(0);
         if(parentItem == _sampleDataItem){
-            fileName =FileManager::SampleDataFloder + "/" + item->text(0);
+            fileName =Global::SampleDataFloder + "/" + item->text(0);
         }else if(parentItem == _baseLineItem){
-            fileName =FileManager::BaseLineFolder +  "/" +item->text(0);
+            fileName =Global::BaseLineFolder +  "/" +item->text(0);
         }else if(parentItem == _analysisStateItem){
-            fileName =FileManager::AnalysisStateFolder +  "/" +item->text(0);
+            fileName =Global::AnalysisStateFolder +  "/" +item->text(0);
         }
     } else {
         qDebug() << "item has no parent (it is a top-level item)";
diff --git a/src/ui/specificheatcomparisonmethodform.cpp b/src/ui/specificheatcomparisonmethodform.cpp
index 4270c31..58e73d1 100644
--- a/src/ui/specificheatcomparisonmethodform.cpp
+++ b/src/ui/specificheatcomparisonmethodform.cpp
@@ -82,18 +82,18 @@ void SpecificHeatComparisonMethodForm::slotSetCurve(const int type,  QCPCurve *c
 
 void SpecificHeatComparisonMethodForm::on_pushButtonCalculate_clicked()
 {
-    auto& curveDataVtr = Global::_curveDataVtr;
+    auto& curveDataVtr = Global::_curveExperimentDataVtr;
     QVector<Global::ExperimentData> *baseLineDataVtr = nullptr,
             *standardSampleDataVtr = nullptr,
             *sampleDataVtr = nullptr;
 
-    for (auto& pair : curveDataVtr) {
-        if(pair.first == _baseLineCurve){
-            baseLineDataVtr = &(pair.second);
-        }else if(pair.first == _standardSampleCurve){
-            standardSampleDataVtr = &(pair.second);
-        }else if(pair.first == _sampleCurve){
-            sampleDataVtr = &(pair.second);
+    for (auto& item : curveDataVtr) {
+        if(item.curve == _baseLineCurve){
+            baseLineDataVtr = &(item.dataVtr);
+        }else if(item.curve == _standardSampleCurve){
+            standardSampleDataVtr = &(item.dataVtr);
+        }else if(item.curve == _sampleCurve){
+            sampleDataVtr = &(item.dataVtr);
         }
     }