diff --git a/experiment_data/analysis_state/~$ana-5-new.xlsx b/experiment_data/analysis_state/~$ana-5-new.xlsx
deleted file mode 100644
index d4a5841..0000000
Binary files a/experiment_data/analysis_state/~$ana-5-new.xlsx and /dev/null differ
diff --git a/experiment_data/analysis_state/~$ana-6-new.xlsx b/experiment_data/analysis_state/~$ana-6-new.xlsx
deleted file mode 100644
index d4a5841..0000000
Binary files a/experiment_data/analysis_state/~$ana-6-new.xlsx and /dev/null differ
diff --git a/experiment_data/sample_data/20升温.xlsx b/experiment_data/sample_data/20升温.xlsx
new file mode 100644
index 0000000..ca8d096
Binary files /dev/null and b/experiment_data/sample_data/20升温.xlsx differ
diff --git a/experiment_data/sample_data/27-.xlsx b/experiment_data/sample_data/27-.xlsx
new file mode 100644
index 0000000..ca44dde
Binary files /dev/null and b/experiment_data/sample_data/27-.xlsx differ
diff --git a/experiment_data/sample_data/27-new.xlsx b/experiment_data/sample_data/27-new.xlsx
new file mode 100644
index 0000000..aab700a
Binary files /dev/null and b/experiment_data/sample_data/27-new.xlsx differ
diff --git a/experiment_data/sample_data/28-11.xlsx b/experiment_data/sample_data/28-11.xlsx
new file mode 100644
index 0000000..3352a55
Binary files /dev/null and b/experiment_data/sample_data/28-11.xlsx differ
diff --git a/experiment_data/sample_data/28-1111.xlsx b/experiment_data/sample_data/28-1111.xlsx
new file mode 100644
index 0000000..a1aee81
Binary files /dev/null and b/experiment_data/sample_data/28-1111.xlsx differ
diff --git a/experiment_data/sample_data/28-2.xlsx b/experiment_data/sample_data/28-2.xlsx
new file mode 100644
index 0000000..37413f6
Binary files /dev/null and b/experiment_data/sample_data/28-2.xlsx differ
diff --git a/experiment_data/sample_data/28-22.xlsx b/experiment_data/sample_data/28-22.xlsx
new file mode 100644
index 0000000..5f682fc
Binary files /dev/null and b/experiment_data/sample_data/28-22.xlsx differ
diff --git a/src/AnalysisTool.pro b/src/AnalysisTool.pro
index 581857e..1f18c0a 100644
--- a/src/AnalysisTool.pro
+++ b/src/AnalysisTool.pro
@@ -9,9 +9,9 @@ CONFIG+=precompile_header
 PRECOMPILED_HEADER=stable.h
 
 #
-VERSION = 1.0.0
+VERSION = 1.0.1
 # 设置目标文件名，包含版本号
-TARGET = AnalysisTool_$${VERSION}
+TARGET = DSCAnalysisTool_$${VERSION}
 
 # The following define makes your compiler emit warnings if you use
 # any Qt feature that has been marked deprecated (the exact warnings
diff --git a/src/FvbVvC.json b/src/FvbVvC.json
deleted file mode 100644
index a31cc40..0000000
--- a/src/FvbVvC.json
+++ /dev/null
@@ -1 +0,0 @@
-[{"excluded":[],"includePaths":["D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx","D:/gitfile/analysis_tool/src/serialport","D:/gitfile/analysis_tool/src/ui","D:/gitfile/analysis_tool/src/logger","D:/gitfile/analysis_tool/src/thirdparty/easylogging","D:/gitfile/analysis_tool/src/thirdparty/qcustomplot","D:/gitfile/analysis_tool/src/data","D:/gitfile/analysis_tool/src","D:/qt/Qt5.14.2/5.14.2/mingw73_64/include","D:/qt/Qt5.14.2/5.14.2/mingw73_64/include/QtPrintSupport","D:/qt/Qt5.14.2/5.14.2/mingw73_64/include/QtWidgets","D:/qt/Qt5.14.2/5.14.2/mingw73_64/include/QtGui/5.14.2","D:/qt/Qt5.14.2/5.14.2/mingw73_64/include/QtGui/5.14.2/QtGui","D:/qt/Qt5.14.2/5.14.2/mingw73_64/include/QtGui","D:/qt/Qt5.14.2/5.14.2/mingw73_64/include/QtANGLE","D:/qt/Qt5.14.2/5.14.2/mingw73_64/include/QtSerialPort","D:/qt/Qt5.14.2/5.14.2/mingw73_64/include/QtCore/5.14.2","D:/qt/Qt5.14.2/5.14.2/mingw73_64/include/QtCore/5.14.2/QtCore","D:/qt/Qt5.14.2/5.14.2/mingw73_64/include/QtCore","D:/gitfile/analysis_tool/src","D:/gitfile/analysis_tool/src"],"projectFile":"D:/gitfile/analysis_tool/src/AnalysisTool.pro","sources":["D:/gitfile/analysis_tool/src/data/confighandler.cpp","D:/gitfile/analysis_tool/src/data/confighandler.h","D:/gitfile/analysis_tool/src/data/filemanager.cpp","D:/gitfile/analysis_tool/src/data/filemanager.h","D:/gitfile/analysis_tool/src/data/pointcalculate.cpp","D:/gitfile/analysis_tool/src/data/pointcalculate.h","D:/gitfile/analysis_tool/src/data/txthandler.cpp","D:/gitfile/analysis_tool/src/data/txthandler.h","D:/gitfile/analysis_tool/src/data/xlsxhandler.cpp","D:/gitfile/analysis_tool/src/data/xlsxhandler.h","D:/gitfile/analysis_tool/src/defines.h","D:/gitfile/analysis_tool/src/global.cpp","D:/gitfile/analysis_tool/src/global.h","D:/gitfile/analysis_tool/src/logger/logger.cpp","D:/gitfile/analysis_tool/src/logger/logger.h","D:/gitfile/analysis_tool/src/main.cpp","D:/gitfile/analysis_tool/src/mainwindow.cpp","D:/gitfile/analysis_tool/src/mainwindow.h","D:/gitfile/analysis_tool/src/mainwindow.ui","D:/gitfile/analysis_tool/src/serialport/dataparser.cpp","D:/gitfile/analysis_tool/src/serialport/dataparser.h","D:/gitfile/analysis_tool/src/serialport/protocol.h","D:/gitfile/analysis_tool/src/serialport/serialport.cpp","D:/gitfile/analysis_tool/src/serialport/serialport.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxabstractooxmlfile.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxabstractooxmlfile.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxabstractooxmlfile_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxabstractsheet.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxabstractsheet.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxabstractsheet_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxcell.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxcell.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxcell_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxcellformula.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxcellformula.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxcellformula_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxcellrange.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxcellrange.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxcellreference.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxcellreference.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxchart.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxchart.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxchart_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxchartsheet.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxchartsheet.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxchartsheet_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxcolor.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxcolor_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxconditionalformatting.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxconditionalformatting.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxconditionalformatting_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxcontenttypes.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxcontenttypes_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxdatavalidation.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxdatavalidation.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxdatavalidation_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxdocpropsapp.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxdocpropsapp_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxdocpropscore.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxdocpropscore_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxdocument.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxdocument.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxdocument_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxdrawing.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxdrawing_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxdrawinganchor.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxdrawinganchor_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxformat.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxformat.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxformat_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxglobal.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxmediafile.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxmediafile_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxnumformatparser.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxnumformatparser_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxrelationships.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxrelationships_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxrichstring.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxrichstring.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxrichstring_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxsharedstrings.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxsharedstrings_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxsimpleooxmlfile.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxsimpleooxmlfile_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxstyles.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxstyles_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxtheme.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxtheme_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxutility.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxutility_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxworkbook.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxworkbook.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxworkbook_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxworksheet.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxworksheet.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxworksheet_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxzipreader.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxzipreader_p.h","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxzipwriter.cpp","D:/gitfile/analysis_tool/src/thirdparty/QtXlsxWriter-0.3.0/src/xlsx/xlsxzipwriter_p.h","D:/gitfile/analysis_tool/src/thirdparty/easylogging/easylogging++.cc","D:/gitfile/analysis_tool/src/thirdparty/easylogging/easylogging++.h","D:/gitfile/analysis_tool/src/thirdparty/qcustomplot/qcustomplot.cpp","D:/gitfile/analysis_tool/src/thirdparty/qcustomplot/qcustomplot.h","D:/gitfile/analysis_tool/src/ui/aboutform.cpp","D:/gitfile/analysis_tool/src/ui/aboutform.h","D:/gitfile/analysis_tool/src/ui/aboutform.ui","D:/gitfile/analysis_tool/src/ui/analysisoperationrecorder.cpp","D:/gitfile/analysis_tool/src/ui/analysisoperationrecorder.h","D:/gitfile/analysis_tool/src/ui/analysissettingform.cpp","D:/gitfile/analysis_tool/src/ui/analysissettingform.h","D:/gitfile/analysis_tool/src/ui/axissettingform.cpp","D:/gitfile/analysis_tool/src/ui/axissettingform.h","D:/gitfile/analysis_tool/src/ui/axissettingform.ui","D:/gitfile/analysis_tool/src/ui/centralwidget.cpp","D:/gitfile/analysis_tool/src/ui/centralwidget.h","D:/gitfile/analysis_tool/src/ui/coefficientselectionform.cpp","D:/gitfile/analysis_tool/src/ui/coefficientselectionform.h","D:/gitfile/analysis_tool/src/ui/coefficientselectionform.ui","D:/gitfile/analysis_tool/src/ui/degreeofcrystallinityform.cpp","D:/gitfile/analysis_tool/src/ui/degreeofcrystallinityform.h","D:/gitfile/analysis_tool/src/ui/degreeofcrystallinityform.ui","D:/gitfile/analysis_tool/src/ui/degreeofcureform.cpp","D:/gitfile/analysis_tool/src/ui/degreeofcureform.h","D:/gitfile/analysis_tool/src/ui/degreeofcureform.ui","D:/gitfile/analysis_tool/src/ui/enthalpydatacorrectionform.cpp","D:/gitfile/analysis_tool/src/ui/enthalpydatacorrectionform.h","D:/gitfile/analysis_tool/src/ui/enthalpydatacorrectionform.ui","D:/gitfile/analysis_tool/src/ui/eventhandler.cpp","D:/gitfile/analysis_tool/src/ui/eventhandler.h","D:/gitfile/analysis_tool/src/ui/experimentsettingform.cpp","D:/gitfile/analysis_tool/src/ui/experimentsettingform.h","D:/gitfile/analysis_tool/src/ui/experimentsettingform.ui","D:/gitfile/analysis_tool/src/ui/instrumentcoefficientform.cpp","D:/gitfile/analysis_tool/src/ui/instrumentcoefficientform.h","D:/gitfile/analysis_tool/src/ui/instrumentcoefficientform.ui","D:/gitfile/analysis_tool/src/ui/itemmanager.cpp","D:/gitfile/analysis_tool/src/ui/itemmanager.h","D:/gitfile/analysis_tool/src/ui/leftwidget.cpp","D:/gitfile/analysis_tool/src/ui/leftwidget.h","D:/gitfile/analysis_tool/src/ui/localcustomplot.cpp","D:/gitfile/analysis_tool/src/ui/localcustomplot.h","D:/gitfile/analysis_tool/src/ui/oitautoanalysisparamform.cpp","D:/gitfile/analysis_tool/src/ui/oitautoanalysisparamform.h","D:/gitfile/analysis_tool/src/ui/oitautoanalysisparamform.ui","D:/gitfile/analysis_tool/src/ui/printereditform.cpp","D:/gitfile/analysis_tool/src/ui/printereditform.h","D:/gitfile/analysis_tool/src/ui/printereditform.ui","D:/gitfile/analysis_tool/src/ui/printpreviewform.cpp","D:/gitfile/analysis_tool/src/ui/printpreviewform.h","D:/gitfile/analysis_tool/src/ui/printpreviewform.ui","D:/gitfile/analysis_tool/src/ui/realtimedataform.cpp","D:/gitfile/analysis_tool/src/ui/realtimedataform.h","D:/gitfile/analysis_tool/src/ui/realtimedataform.ui","D:/gitfile/analysis_tool/src/ui/rightwidget.cpp","D:/gitfile/analysis_tool/src/ui/rightwidget.h","D:/gitfile/analysis_tool/src/ui/specificheatcomparisonmethodform.cpp","D:/gitfile/analysis_tool/src/ui/specificheatcomparisonmethodform.h","D:/gitfile/analysis_tool/src/ui/specificheatcomparisonmethodform.ui"],"translations":["D:/gitfile/analysis_tool/src/Language/linguist_cn.ts","D:/gitfile/analysis_tool/src/Language/linguist_en.ts"]}]
diff --git a/src/global.h b/src/global.h
index 9da02d6..c80a8d3 100644
--- a/src/global.h
+++ b/src/global.h
@@ -31,6 +31,9 @@ const QString RateStr("rate");
 //
 const double DefaultParamter = 8.177;
 const double OnsetAndEndSetRate = 0.01;
+
+//curve object name
+const QString objectNameExperiemnt("experiment");
 //
 enum LanguageType{
     Chinese,
diff --git a/src/images.qrc b/src/images.qrc
index 801bea4..d287da3 100644
--- a/src/images.qrc
+++ b/src/images.qrc
@@ -10,5 +10,6 @@
         <file>images/axis.png</file>
         <file>images/clear_data.png</file>
         <file>images/real_time.png</file>
+        <file>images/disconnect.png</file>
     </qresource>
 </RCC>
diff --git a/src/images/disconnect.png b/src/images/disconnect.png
new file mode 100644
index 0000000..9b495ae
Binary files /dev/null and b/src/images/disconnect.png differ
diff --git a/src/main.cpp b/src/main.cpp
index b36579b..31598c5 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -15,8 +15,7 @@
 
 int main(int argc, char *argv[])
 {
-
-     system("chcp 65001");
+    system("chcp 65001");
     QTextCodec *codec = QTextCodec::codecForName("UTF-8");
     QTextCodec::setCodecForLocale(codec);
 
@@ -41,6 +40,7 @@ int main(int argc, char *argv[])
     logde<<"config,instrument coefficient:"
         <<ConfigHandler::_configMap[ConInstrumentCoefficientStr].toFloat();
 #endif
+
     //
     QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // 启用高DPI缩放
     QApplication a(argc, argv);
@@ -58,7 +58,7 @@ int main(int argc, char *argv[])
 
 #if 1
     MainWindow w;
-    w.setWindowTitle("Analysis Tool");
+    w.setWindowTitle("DSC Analysis Tool");
 //    w.setWindowIcon(QIcon(":/images/logo.png"));
     w.setWindowIcon(icon);
     w.show();
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 440d2cb..d74b814 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -354,28 +354,41 @@ void MainWindow::slotSaveExperimentalDataMsgBox()
     } else {
         on_actionClearAllData_triggered();
     }
-
+#if 0
     // Clear data.
     logde<<"save mesg box.clearExperimentData...";
     Global::clearExperimentData();
+#endif
 }
 
 void MainWindow::on_actionConnectToDev_triggered()
 {
-    logde<<"Connect to device.";
+    if(SerialPort::instance()->isOpen()){
+        SerialPort::instance()->closeSp();
 
-    if (SerialPort::instance()->openSp())
-    {
-        setActionEnable(true);
-        //        Global::instance()->setMode(Global::Mode::ConnectedToDev);
-        Global::_mode = Global::Mode::ConnectedToDev;
+        ui->actionConnectToDev->setIcon(QIcon(":/images/connect.png"));
+        ui->actionConnectToDev->setText("连接设备");
 
-        QByteArray ba = DataParser::inquirePhaseInfo();
-        SerialPort::instance()->sendData(ba);
-    }
-    else
-    {
-        QMessageBox::warning(this, "warnning", "Serial Port open failed.");
+        logde<<"close serial port.";
+    }else{
+        if (SerialPort::instance()->openSp())
+        {
+            setActionEnable(true);
+            //        Global::instance()->setMode(Global::Mode::ConnectedToDev);
+            Global::_mode = Global::Mode::ConnectedToDev;
+
+            QByteArray ba = DataParser::inquirePhaseInfo();
+            SerialPort::instance()->sendData(ba);
+
+            ui->actionConnectToDev->setIcon(QIcon(":/images/disconnect.png"));
+            ui->actionConnectToDev->setText("断开连接");
+
+            logde<<"open serial port.";
+        }
+        else
+        {
+            QMessageBox::warning(this, "warnning", "Serial Port open failed.");
+        }
     }
 }
 
diff --git a/src/mainwindow.h b/src/mainwindow.h
index 16fa453..6e3f591 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -126,4 +126,5 @@ private:
     PrintPreviewForm *_printPreviewForm;
     AxisSettingForm * _axisSettingForm;
 };
+
 #endif // MAINWINDOW_H
diff --git a/src/serialport/serialport.cpp b/src/serialport/serialport.cpp
index 314869d..5752101 100644
--- a/src/serialport/serialport.cpp
+++ b/src/serialport/serialport.cpp
@@ -19,7 +19,8 @@ const u16 conVid = 1155;  // 0x0483
 const u16 conPid = 22336; // 0x5740
 
 SerialPort::SerialPort(QObject *parent)
-    : QObject(parent), _sp(nullptr)
+    : QObject(parent)
+    ,_sp(new QSerialPort(this))
 {
     //    displayPortInfo();
 
@@ -333,7 +334,7 @@ bool SerialPort::openSp()
 
         if ((pid == conPid) && (vid == conVid))
         {
-            _sp = new QSerialPort(info);
+              _sp->setPort(info);
             break;
         }
     }
@@ -371,6 +372,15 @@ bool SerialPort::openSp()
     return true;
 }
 
+bool SerialPort::closeSp()
+{
+    if (_sp && _sp->isOpen())
+    {
+        _sp->clear();
+        _sp->close();
+    }
+}
+
 void SerialPort::sendCmd(const SerialPort::E_CMD_TYPE e)
 {
 #if 1
diff --git a/src/serialport/serialport.h b/src/serialport/serialport.h
index aba26ef..45612e6 100644
--- a/src/serialport/serialport.h
+++ b/src/serialport/serialport.h
@@ -27,7 +27,8 @@ public:
     void sendCmd(const E_CMD_TYPE e);
     static void parserTest();
     bool openSp();
-
+    bool isOpen(){return _sp->isOpen();}
+    bool closeSp();
 protected:
     void timerEvent(QTimerEvent *event);
 signals:
diff --git a/src/ui/centralwidget.cpp b/src/ui/centralwidget.cpp
index 201dcf0..acd0845 100644
--- a/src/ui/centralwidget.cpp
+++ b/src/ui/centralwidget.cpp
@@ -178,17 +178,15 @@ void CentralWidget::slotRecvCommonData(const CommonData &cd)
     if(!_currentCurve){
         logde<<"_currentCurve is nullptr";
         _currentCurve = new QCPCurve(_customPlot->xAxis, _customPlot->yAxis);
+        _currentCurve->setObjectName(Global::objectNameExperiemnt);
     }
 
     //    logde<<"temp:"<<cd.sample_temp<<",dsc:"<<cd.dsc;
-
     _currentCurve->addData(index++,cd.sample_temp, cd.dsc);
 
     // _customPlot->rescaleAxes();
     _customPlot->replot();
 
-    //    return;
-
     // Record data.
     if(!Global::_currentCurveExperimentDataPtr){
         loger<<"_currentCurveExperimentDataPtr is nullptr.";
@@ -245,8 +243,10 @@ void CentralWidget::slotAnalysisSettingApply()
 
     if(Global::_curveFileDataVtr.empty()){
         // Load experiment data.
+        logde<<"experiment vtr size:"<<Global::_curveExperimentDataVtr.size();
         for(Global::CurveExperimentData& ced:Global::_curveExperimentDataVtr){
             if(ced.curve == _currentCurve){
+                logde<<"load experiment data.";
                 PointCalculate::setAnalysisData(ced.dataVtr);
             }
         }
@@ -428,17 +428,18 @@ void CentralWidget::slotSelectionChangedByUser()
     for (QCPAbstractPlottable* plottable : selectedPlottables) {
         // 检查是否是 QCPCurve
         if (QCPCurve* curve = dynamic_cast<QCPCurve*>(plottable)) {
-            qDebug() << "Selected Curve:" << curve->objectName();
-            logde<<curve->objectName().toStdString();
+            logde << "Selected Curve:" << curve->objectName().toStdString();
             _currentCurve = curve; // 更新当前选中的曲线
         }
     }
 
+#if 0
     // 如果没有选中的曲线
     if (selectedPlottables.isEmpty()) {
-        qDebug() << "No curve selected";
+        logde<< "No curve selected";
         _currentCurve = nullptr; // 清空当前选中的曲线
     }
+#endif
 }
 
 void CentralWidget::uiLoadXlsxFileData()
@@ -719,8 +720,6 @@ void CentralWidget::glassTransitionHandle(const double x1,const double x2,const
     }
 
     drawText(averagePoint,str);
-
-
 }
 // 使用最小二乘法计算线性回归
 PointCalculate::Line CentralWidget::calculateLinearRegression(const QVector<double>& x, const QVector<double>& y) {
@@ -1250,6 +1249,7 @@ void CentralWidget::loadAnalysisData(
                         peakPointTime,
                         startPointTime,
                         endPointTime);
+
             drawText(peakPoint,str,objectName);
 
         }else{
diff --git a/src/ui/experimentsettingform.cpp b/src/ui/experimentsettingform.cpp
index f827c8a..a2e0ba9 100644
--- a/src/ui/experimentsettingform.cpp
+++ b/src/ui/experimentsettingform.cpp
@@ -391,6 +391,7 @@ void ExperimentSettingForm::on_pushButton_deliverData_clicked()
             return;
         }
     }
+
     {
         Phase phase;
         phase.onoff = ui->checkBox_phase_2->checkState()?1:0;
@@ -402,15 +403,18 @@ void ExperimentSettingForm::on_pushButton_deliverData_clicked()
 
         phaseVtr.push_back(phase);
         //
-        phase2CutoffTemp = phase.cutoff_temp;
-        if(phase2CutoffTemp < phase1CutoffTemp){
-            phaseCufoffTempErrorMesgBox(2);
-            return;
-        }
+        if(phase.onoff){
+            logde<<"phase 2 enable.";
+            phase2CutoffTemp = phase.cutoff_temp;
+            if(phase2CutoffTemp < phase1CutoffTemp){
+                phaseCufoffTempErrorMesgBox(2);
+                return;
+            }
 
-        if(phase.temp_flow <= 0){
-            phaseScanRateErrorMesgBox(2);
-            return;
+            if(phase.temp_flow <= 0){
+                phaseScanRateErrorMesgBox(2);
+                return;
+            }
         }
     }
 
@@ -424,15 +428,18 @@ void ExperimentSettingForm::on_pushButton_deliverData_clicked()
 
         phaseVtr.push_back(phase);
         //
-        phase3CutoffTemp = phase.cutoff_temp;
-        if(phase3CutoffTemp < phase2CutoffTemp){
-            phaseCufoffTempErrorMesgBox(3);
-            return;
-        }
+        if(phase.onoff){
+            logde<<"phase 3 enable.";
+            phase3CutoffTemp = phase.cutoff_temp;
+            if(phase3CutoffTemp < phase2CutoffTemp){
+                phaseCufoffTempErrorMesgBox(3);
+                return;
+            }
 
-        if(phase.temp_flow <= 0){
-            phaseScanRateErrorMesgBox(3);
-            return;
+            if(phase.temp_flow <= 0){
+                phaseScanRateErrorMesgBox(3);
+                return;
+            }
         }
     }
 
@@ -446,15 +453,18 @@ void ExperimentSettingForm::on_pushButton_deliverData_clicked()
         phase.gas = GasType::N2;
         phaseVtr.push_back(phase);
         //
-        phase4CutoffTemp = phase.cutoff_temp;
-        if(phase4CutoffTemp < phase3CutoffTemp){
-            phaseCufoffTempErrorMesgBox(4);
-            return;
-        }
+        if(phase.onoff){
+            logde<<"phase 4 enable.";
+            phase4CutoffTemp = phase.cutoff_temp;
+            if(phase4CutoffTemp < phase3CutoffTemp){
+                phaseCufoffTempErrorMesgBox(4);
+                return;
+            }
 
-        if(phase.temp_flow <= 0){
-            phaseScanRateErrorMesgBox(4);
-            return;
+            if(phase.temp_flow <= 0){
+                phaseScanRateErrorMesgBox(4);
+                return;
+            }
         }
     }
 
@@ -469,15 +479,18 @@ void ExperimentSettingForm::on_pushButton_deliverData_clicked()
 
         phaseVtr.push_back(phase);
         //
-        phase5CutoffTemp = phase.cutoff_temp;
-        if(phase5CutoffTemp < phase4CutoffTemp){
-            phaseCufoffTempErrorMesgBox(5);
-            return;
-        }
+        if(phase.onoff){
+            logde<<"phase 5 enable.";
+            phase5CutoffTemp = phase.cutoff_temp;
+            if(phase5CutoffTemp < phase4CutoffTemp){
+                phaseCufoffTempErrorMesgBox(5);
+                return;
+            }
 
-        if(phase.temp_flow <= 0){
-            phaseScanRateErrorMesgBox(5);
-            return;
+            if(phase.temp_flow <= 0){
+                phaseScanRateErrorMesgBox(5);
+                return;
+            }
         }
     }
 
@@ -492,15 +505,18 @@ void ExperimentSettingForm::on_pushButton_deliverData_clicked()
 
         phaseVtr.push_back(phase);
         //
-        phase6CutoffTemp = phase.cutoff_temp;
-        if(phase6CutoffTemp < phase5CutoffTemp){
-            phaseCufoffTempErrorMesgBox(6);
-            return;
-        }
+        if(phase.onoff){
+            logde<<"phase 6 enable.";
+            phase6CutoffTemp = phase.cutoff_temp;
+            if(phase6CutoffTemp < phase5CutoffTemp){
+                phaseCufoffTempErrorMesgBox(6);
+                return;
+            }
 
-        if(phase.temp_flow <= 0){
-            phaseScanRateErrorMesgBox(6);
-            return;
+            if(phase.temp_flow <= 0){
+                phaseScanRateErrorMesgBox(6);
+                return;
+            }
         }
     }
     //