diff --git a/experiment_data/sample_data/.xlsx b/experiment_data/sample_data/.xlsx
new file mode 100644
index 0000000..75807d9
Binary files /dev/null and b/experiment_data/sample_data/.xlsx differ
diff --git a/experiment_data/sample_data/_2025_06_20_14_58_16.xlsx b/experiment_data/sample_data/_2025_06_20_14_58_16.xlsx
new file mode 100644
index 0000000..d26d656
Binary files /dev/null and b/experiment_data/sample_data/_2025_06_20_14_58_16.xlsx differ
diff --git a/experiment_data/sample_data/_2025_06_20_14_58_17.xlsx b/experiment_data/sample_data/_2025_06_20_14_58_17.xlsx
new file mode 100644
index 0000000..bb31c72
Binary files /dev/null and b/experiment_data/sample_data/_2025_06_20_14_58_17.xlsx differ
diff --git a/experiment_data/sample_data/_2025_06_20_15_03_20.xlsx b/experiment_data/sample_data/_2025_06_20_15_03_20.xlsx
new file mode 100644
index 0000000..0bce293
Binary files /dev/null and b/experiment_data/sample_data/_2025_06_20_15_03_20.xlsx differ
diff --git a/experiment_data/sample_data/autotest.xlsx b/experiment_data/sample_data/autotest.xlsx
new file mode 100644
index 0000000..daa8454
Binary files /dev/null and b/experiment_data/sample_data/autotest.xlsx differ
diff --git a/experiment_data/sample_data/autotest_2025_06_20_14_39_55.xlsx b/experiment_data/sample_data/autotest_2025_06_20_14_39_55.xlsx
new file mode 100644
index 0000000..7a22c80
Binary files /dev/null and b/experiment_data/sample_data/autotest_2025_06_20_14_39_55.xlsx differ
diff --git a/experiment_data/sample_data/new.xlsx b/experiment_data/sample_data/new.xlsx
index a5469fd..807cc85 100644
Binary files a/experiment_data/sample_data/new.xlsx and b/experiment_data/sample_data/new.xlsx differ
diff --git a/experiment_data/sample_data/new_2025_06_20_15_10_22.xlsx b/experiment_data/sample_data/new_2025_06_20_15_10_22.xlsx
new file mode 100644
index 0000000..ad0d4d7
Binary files /dev/null and b/experiment_data/sample_data/new_2025_06_20_15_10_22.xlsx differ
diff --git a/experiment_data/sample_data/new_2025_06_20_15_21_12.xlsx b/experiment_data/sample_data/new_2025_06_20_15_21_12.xlsx
new file mode 100644
index 0000000..9d32cc8
Binary files /dev/null and b/experiment_data/sample_data/new_2025_06_20_15_21_12.xlsx differ
diff --git a/experiment_data/sample_data/new_2025_06_20_15_28_31.xlsx b/experiment_data/sample_data/new_2025_06_20_15_28_31.xlsx
new file mode 100644
index 0000000..1371e0b
Binary files /dev/null and b/experiment_data/sample_data/new_2025_06_20_15_28_31.xlsx differ
diff --git a/experiment_data/sample_data/new_2025_06_20_15_33_27.xlsx b/experiment_data/sample_data/new_2025_06_20_15_33_27.xlsx
new file mode 100644
index 0000000..8ff0be9
Binary files /dev/null and b/experiment_data/sample_data/new_2025_06_20_15_33_27.xlsx differ
diff --git a/experiment_data/sample_data/new_2025_06_20_15_57_21.xlsx b/experiment_data/sample_data/new_2025_06_20_15_57_21.xlsx
new file mode 100644
index 0000000..37fa230
Binary files /dev/null and b/experiment_data/sample_data/new_2025_06_20_15_57_21.xlsx differ
diff --git a/experiment_data/sample_data/new_2025_06_20_15_57_22.xlsx b/experiment_data/sample_data/new_2025_06_20_15_57_22.xlsx
new file mode 100644
index 0000000..f2b3b19
Binary files /dev/null and b/experiment_data/sample_data/new_2025_06_20_15_57_22.xlsx differ
diff --git a/experiment_data/sample_data/new_2025_06_20_16_42_40.xlsx b/experiment_data/sample_data/new_2025_06_20_16_42_40.xlsx
new file mode 100644
index 0000000..bffebe7
Binary files /dev/null and b/experiment_data/sample_data/new_2025_06_20_16_42_40.xlsx differ
diff --git a/experiment_data/sample_data/~$new_2025_06_20_16_42_40.xlsx b/experiment_data/sample_data/~$new_2025_06_20_16_42_40.xlsx
new file mode 100644
index 0000000..d4a5841
Binary files /dev/null and b/experiment_data/sample_data/~$new_2025_06_20_16_42_40.xlsx differ
diff --git a/experiment_data/sample_data/氧化诱导期0620-auto.xlsx b/experiment_data/sample_data/氧化诱导期0620-auto.xlsx
new file mode 100644
index 0000000..0f3b05b
Binary files /dev/null and b/experiment_data/sample_data/氧化诱导期0620-auto.xlsx differ
diff --git a/experiment_data/sample_data/氧化诱导期0620.xlsx b/experiment_data/sample_data/氧化诱导期0620.xlsx
new file mode 100644
index 0000000..440cdbc
Binary files /dev/null and b/experiment_data/sample_data/氧化诱导期0620.xlsx differ
diff --git a/experiment_data/sample_data/氧化诱导期7.73.xlsx b/experiment_data/sample_data/氧化诱导期7.73.xlsx
new file mode 100644
index 0000000..d23d1fd
Binary files /dev/null and b/experiment_data/sample_data/氧化诱导期7.73.xlsx differ
diff --git a/experiment_data/sample_data/氧化诱导期auto-test.xlsx b/experiment_data/sample_data/氧化诱导期auto-test.xlsx
new file mode 100644
index 0000000..9ac280f
Binary files /dev/null and b/experiment_data/sample_data/氧化诱导期auto-test.xlsx differ
diff --git a/src/DSCAnalysisTool.pro b/src/DSCAnalysisTool.pro
index b2e2b18..0b4ef05 100644
--- a/src/DSCAnalysisTool.pro
+++ b/src/DSCAnalysisTool.pro
@@ -30,6 +30,7 @@ SOURCES += \
     data/confighandler.cpp \
     data/filemanager.cpp \
     data/lowesssmoother.cpp \
+    data/oitautoanalysis.cpp \
     data/pointcalculate.cpp \
     data/txthandler.cpp \
     global.cpp \
@@ -66,6 +67,7 @@ SOURCES += \
 HEADERS += \
     data/confighandler.h \
     data/lowesssmoother.h \
+    data/oitautoanalysis.h \
     data/txthandler.h \
     global.h \
     data/filemanager.h \
diff --git a/src/data/oitautoanalysis.cpp b/src/data/oitautoanalysis.cpp
new file mode 100644
index 0000000..130208f
--- /dev/null
+++ b/src/data/oitautoanalysis.cpp
@@ -0,0 +1,70 @@
+#include "oitautoanalysis.h"
+#include "global.h"
+#include "logger.h"
+
+OITAutoAnalysis::OITAutoAnalysis(QObject *parent) : QObject(parent)
+{
+
+}
+
+void OITAutoAnalysis::analysis()
+{
+    if(!Global::_OITAutoAnalysisModeFlag){
+        return;
+    }
+
+    //
+    if(!Global::_currentCurveExperimentDataPtr){
+        return;
+    }
+
+    if(Global::_currentCurveExperimentDataPtr->phaseIndex != 2){
+        return;
+    }
+
+#if 0
+    static Global::ExperimentData reachCoefficientData;
+    static bool runTimeReachTheCoefficientFirstFlag = false;
+    if(!runTimeReachTheCoefficientFirstFlag &&
+            (Global::_currentCurveExperimentDataPtr->dataVtr.last().runTime
+             > Global::_OITAutoAnalysisCoefficient)){
+        runTimeReachTheCoefficientFirstFlag = true;
+        reachCoefficientData = Global::_currentCurveExperimentDataPtr->dataVtr.last();
+    }
+
+    if(runTimeReachTheCoefficientFirstFlag){
+        logde<<"phase index 1:"<<Global::_currentCurveExperimentDataPtr->phaseIndex;
+        logde<<"phase index:"<<Global::_currentCurveExperimentDataPtr->dataVtr.last().phaseIndex;
+
+        if(Global::_currentCurveExperimentDataPtr->dataVtr.last().dsc
+                - reachCoefficientData.dsc > Global::_OITAutoAnalysisThreshold){
+            double x1 = reachCoefficientData.runTime;
+            double x2 = Global::_currentCurveExperimentDataPtr->dataVtr.last().runTime;
+            emit sigExperimentStop(x1,x2);
+        }
+    }
+#endif
+
+    if(Global::_mode != Global::Mode::Experiment){
+        return;
+    }
+
+    static Global::ExperimentData phase2FirstData;
+    static bool phase2FirstDataRecordFlag = false;
+    if(!phase2FirstDataRecordFlag){
+        phase2FirstDataRecordFlag = true;
+        phase2FirstData = Global::_currentCurveExperimentDataPtr->dataVtr.last();
+    }else{
+        Global::ExperimentData& ed = Global::_currentCurveExperimentDataPtr->dataVtr.last();
+
+        if((ed.runTime > Global::_OITAutoAnalysisCoefficient)
+                && (ed.dsc - phase2FirstData.dsc > Global::_OITAutoAnalysisThreshold)){
+            //
+            double x1 = phase2FirstData.runTime;
+            double x2 = ed.runTime;
+            emit sigExperimentStop(x1,x2);
+
+            phase2FirstDataRecordFlag = false;
+        }
+    }
+}
diff --git a/src/data/oitautoanalysis.h b/src/data/oitautoanalysis.h
new file mode 100644
index 0000000..8d611ce
--- /dev/null
+++ b/src/data/oitautoanalysis.h
@@ -0,0 +1,23 @@
+#ifndef OITAUTOANALYSIS_H
+#define OITAUTOANALYSIS_H
+
+#include <QObject>
+
+class OITAutoAnalysis : public QObject
+{
+    Q_OBJECT
+public:
+    explicit OITAutoAnalysis(QObject *parent = nullptr);
+
+    static OITAutoAnalysis* getInstance()
+    {
+        static OITAutoAnalysis instance;
+        return &instance;
+    }
+
+      void analysis();
+signals:
+      void sigExperimentStop(const double x1,const double x2);
+};
+
+#endif // OITAUTOANALYSIS_H
diff --git a/src/global.cpp b/src/global.cpp
index bb7b2d5..73ef5d3 100644
--- a/src/global.cpp
+++ b/src/global.cpp
@@ -28,6 +28,11 @@ LanguageType _languageType = LanguageType::Chinese;
 
 bool _experimentOITFlag = false;
 
+// OIT auto mode.
+bool _OITAutoAnalysisModeFlag = false;
+double _OITAutoAnalysisCoefficient = OITAutoAnalysisDefaultCoefficient;
+double _OITAutoAnalysisThreshold = OITAutoAnalysisDefaultThreshold;
+
 QString converDoubleToStr(const double num)
 {
     return QString::number(num,'f',3);
diff --git a/src/global.h b/src/global.h
index dd3a5b3..74e9147 100644
--- a/src/global.h
+++ b/src/global.h
@@ -98,6 +98,13 @@ struct ExperimentInfo{
     int phaseSize;
 
     QVector<Phase> phaseVtr;
+
+    ExperimentInfo()
+        :sampleName("new")
+        ,sampleWeight("0")
+        ,date("20250101")
+        ,experimentor("experimentor")
+    {}
 };
 
 struct PhaseTotalInfo{
@@ -160,6 +167,14 @@ extern AxisMode _axisMode;
 
 extern bool _experimentOITFlag;
 
+// OIT auto mode.
+const double OITAutoAnalysisDefaultCoefficient = 10.0;
+const double OITAutoAnalysisDefaultThreshold = 2.0;
+
+extern bool _OITAutoAnalysisModeFlag;
+extern double _OITAutoAnalysisCoefficient;
+extern double _OITAutoAnalysisThreshold;
+
 // common func
 QString converDoubleToStr(const double);
 void quadraticLeastSquaresFit(double x[], double y[], int n, double coeff[]);
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 28b41b3..12ecefe 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -33,6 +33,7 @@ MainWindow::MainWindow(QWidget *parent)
     ,_manuallyStopTheExperimentFlag(false)
 {
     ui->setupUi(this);
+    ui->actionOITAutoAnalysisMode->setVisible(false);
     this->setToolTip(".....");
 
     ui->actionSaveas->setVisible(false);
@@ -93,6 +94,13 @@ void MainWindow::slotUpdateStatusbarMsg(const QString msg)
     ui->statusbar->showMessage(msg);
 }
 
+void MainWindow::slotOITAutoAnalysis(const double x1,const double x2)
+{
+    on_actionStop_triggered();
+    _centralWidget->setAnalysisMode(CentralWidget::AnalysisMode::OIT);
+    _centralWidget->setVerticalLineRange(x1,x2);
+}
+
 void MainWindow::closeEvent(QCloseEvent *event)
 {
     // 弹出确认对话框
@@ -174,6 +182,9 @@ void MainWindow::connections()
             _axisSettingForm,&AxisSettingForm::slotGetAxisInfoWithData);
     connect(_axisSettingForm,&AxisSettingForm::sigSetAxisSettings,
             _centralWidget,&CentralWidget::slotSetAxisSettings);
+    // OIT
+    connect(OITAutoAnalysis::getInstance(),&OITAutoAnalysis::sigExperimentStop,
+            this,&MainWindow::slotOITAutoAnalysis);
 }
 
 void MainWindow::setActionEnable(const bool flag)
@@ -244,7 +255,8 @@ bool MainWindow::saveAnalysisFile(const QString fileName)
 }
 #endif
 
-bool MainWindow::saveFile(const QString fileName,const Global::Mode mode)
+bool MainWindow::saveFile(const QString fileName,const Global::Mode mode,
+                          QString& finalFileName,const bool autoSaveFlag)
 {
     QString localFileName = fileName;
     if(fileName.isEmpty()){
@@ -260,9 +272,18 @@ bool MainWindow::saveFile(const QString fileName,const Global::Mode mode)
         folder = Global::SampleDataFloder;
     }
 
-    QString xlsxfilePath = folder + "/" + localFileName + ".xlsx";
-    QString filePath = QFileDialog::getSaveFileName(nullptr, "Save experiment file",
-                                                    xlsxfilePath, "Excel Files (*.xlsx)");
+    QString filePath;
+    if(autoSaveFlag){
+        localFileName = _leftWidget->filePathCheck(fileName,folder);
+        filePath = folder + "/" + localFileName + ".xlsx";
+    }else{
+        QString xlsxfilePath = folder + "/" + localFileName + ".xlsx";
+        filePath = QFileDialog::getSaveFileName(nullptr, "Save experiment file",
+                                                xlsxfilePath, "Excel Files (*.xlsx)");
+    }
+    //
+    finalFileName = localFileName + ".xlsx";
+
     logde<<"filePath:"<<filePath.toStdString();
 
     if (filePath.isEmpty()) {
@@ -445,8 +466,12 @@ void MainWindow::on_actionStop_triggered()
         //            _leftWidget->reloadFileName();
         //        }
 
-        if(saveFile(Global::_experimentInfo.sampleName,Global::Mode::Experiment)){
+        QString finalFileName;
+        if(saveFile(Global::_experimentInfo.sampleName,Global::Mode::Experiment,finalFileName,true)){
             _leftWidget->reloadFileName();
+
+            QString str = QString("%1 文件保存成功。").arg(finalFileName);
+            QMessageBox::information(this, "文件保存", str,QMessageBox::Yes );
         }
 #endif
 
@@ -500,20 +525,26 @@ void MainWindow::slotSaveExperimentalDataMsgBox()
         return;
     }
 
+    // auto save file.
+    QString finalFileName;
+    if(saveFile(Global::_experimentInfo.sampleName,Global::Mode::Experiment,finalFileName,true)){
+        _leftWidget->reloadFileName();
+
+        QString str = QString("%1 文件保存成功。").arg(finalFileName);
+        QMessageBox::information(this, "文件保存", str,QMessageBox::Yes );
+    }
+
+#if 0
     QMessageBox::StandardButton reply;
     reply = QMessageBox::question(this, "数据保存提示", "是否保存实验数据？",
                                   QMessageBox::Yes | QMessageBox::No);
     if (reply == QMessageBox::Yes) {
-        saveFile(Global::_experimentInfo.sampleName,Global::Mode::Experiment);
+        QString finaleFileName;
+        saveFile(Global::_experimentInfo.sampleName,Global::Mode::Experiment,finaleFileName);
         _leftWidget->reloadFileName();
     } else {
         on_actionClearAllData_triggered();
     }
-
-#if 0
-    // Clear data.
-    logde<<"save mesg box.clearExperimentData...";
-    Global::clearExperimentData();
 #endif
 }
 
@@ -614,7 +645,7 @@ void MainWindow::on_actionOITAutoAnalysisParam_triggered()
 
 void MainWindow::on_actionOITAutoAnalysisMode_triggered()
 {
-    //
+
 }
 
 void MainWindow::on_actionTimeAxisAnalysisPCTMode_triggered()
@@ -675,13 +706,15 @@ void MainWindow::on_actionAxisSetting_triggered()
 
 void MainWindow::on_actionSaveData_triggered()
 {
-    saveFile(Global::_experimentInfo.sampleName,Global::_mode);
+    QString finaleFileName;
+    saveFile(Global::_experimentInfo.sampleName,Global::_mode,finaleFileName);
     _leftWidget->reloadFileName();
 }
 
 void MainWindow::on_actionSaveas_triggered()
 {
-    saveFile(Global::_experimentInfo.sampleName,Global::Mode::None);
+    QString finaleFileName;
+    saveFile(Global::_experimentInfo.sampleName,Global::Mode::None,finaleFileName);
     _leftWidget->reloadFileName();
 }
 
diff --git a/src/mainwindow.h b/src/mainwindow.h
index 0afbe1b..24e2693 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -5,6 +5,7 @@
 #include <QStatusBar>
 #include <QDockWidget>
 
+#include "oitautoanalysis.h"
 #include "axissettingform.h"
 #include "printpreviewform.h"
 #include "centralwidget.h"
@@ -38,6 +39,9 @@ public:
 public slots:
     void slotContextMenuShow(const QPoint);
     void slotUpdateStatusbarMsg(const QString);
+
+    void slotOITAutoAnalysis(const double,const double);
+
 protected:
     void closeEvent(QCloseEvent *event) override;
 private slots:
@@ -117,7 +121,8 @@ private:
     void setActionEnable(const bool);
     void setSubWidgetAttribute(QWidget *);
 
-    bool saveFile(const QString fileName,const Global::Mode);
+    bool saveFile(const QString fileName,const Global::Mode,
+                  QString& finalFileName,const bool autoSaveFlag = false);
 
     void smoothness(const int level);
     QVector<Global::ExperimentData> smoothnessDetail(const int level,const QVector<Global::ExperimentData>&);
diff --git a/src/mainwindow.ui b/src/mainwindow.ui
index 530868b..35a3a0f 100644
--- a/src/mainwindow.ui
+++ b/src/mainwindow.ui
@@ -62,10 +62,11 @@
     <addaction name="actionInstrumentParameter"/>
     <addaction name="actionOnsetTemperaturePoint"/>
     <addaction name="actionEndsetTemperaturePoint"/>
-    <addaction name="actionOITAutoAnalysisParam"/>
-    <addaction name="actionOITAutoAnalysisMode"/>
     <addaction name="actionTimeAxisAnalysisPCTMode"/>
     <addaction name="actionDegreeOfCuring"/>
+    <addaction name="separator"/>
+    <addaction name="actionOITAutoAnalysisParam"/>
+    <addaction name="actionOITAutoAnalysisMode"/>
    </widget>
    <widget class="QMenu" name="menu_5">
     <property name="title">
@@ -288,10 +289,13 @@
   </action>
   <action name="actionOITAutoAnalysisParam">
    <property name="text">
-    <string>OIT自动分析参数</string>
+    <string>OIT自动分析设置</string>
    </property>
   </action>
   <action name="actionOITAutoAnalysisMode">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
    <property name="text">
     <string>OIT自动分析模式</string>
    </property>
diff --git a/src/serialport/serialport.cpp b/src/serialport/serialport.cpp
index a7e7dc3..faee0ff 100644
--- a/src/serialport/serialport.cpp
+++ b/src/serialport/serialport.cpp
@@ -220,7 +220,7 @@ void SerialPort::updateStatus(const CommonData &cd)
 
         preMode = Global::_mode;
     }
-    if(sendSignalFlag){
+    if(sendSignalFlag && !Global::_OITAutoAnalysisModeFlag){
         emit sigSaveExperimentalDataMsgBox();
     }
 }
diff --git a/src/ui/centralwidget.cpp b/src/ui/centralwidget.cpp
index da1f025..ab63cc2 100644
--- a/src/ui/centralwidget.cpp
+++ b/src/ui/centralwidget.cpp
@@ -5,6 +5,7 @@
 #include <qcustomplot.h>
 #include <QMessageBox>
 
+#include "oitautoanalysis.h"
 #include "analysisoperationrecorder.h"
 #include "centralwidget.h"
 #include "filemanager.h"
@@ -215,6 +216,17 @@ void CentralWidget::startExperiment()
     _customPlot->replot();
 }
 
+void CentralWidget::setVerticalLineRange(const double x1, const double x2)
+{
+    _line1->point1->setCoords(x1,_line1->point1->coords().y());
+    _line1->point2->setCoords(x1,_line1->point2->coords().y());
+
+    _line2->point1->setCoords(x2,_line2->point1->coords().y());
+    _line2->point2->setCoords(x2,_line2->point2->coords().y());
+
+    slotAnalysisSettingConfirm();
+}
+
 void CentralWidget::setAnalysisMode(const AnalysisMode mode)
 {
     _analysisMode = mode;
@@ -290,12 +302,15 @@ void CentralWidget::slotRecvCommonData(const CommonData &cd)
         ed.constantTempTime = cd.add_constan_temp_time;
 
         if(Global::_currentCurveExperimentDataPtr->dataVtr.empty()){
-            ed.phaseIndex = Global::_currentCurveExperimentDataPtr->phaseIndex;
             logde<<"change phase, index:"<<Global::_currentCurveExperimentDataPtr->phaseIndex;
             _currentCurve = nullptr;
         }
 
+        ed.phaseIndex = Global::_currentCurveExperimentDataPtr->phaseIndex;
+
         Global::_currentCurveExperimentDataPtr->dataVtr.push_back(ed);
+
+        OITAutoAnalysis::getInstance()->analysis();
     }
 
     // Update ui.
@@ -331,7 +346,7 @@ void CentralWidget::slotRecvCommonData(const CommonData &cd)
         _currentCurve->addData(index++,cd.add_run_time, cd.dsc);
     }
 
-    // _customPlot->rescaleAxes();
+    //
     _customPlot->replot();
 }
 
@@ -1542,6 +1557,8 @@ void CentralWidget::calculateAnalysisResult(
         endData.runTime = startEndPointPair.second.x();
         endData.dsc = startEndPointPair.second.y();
 
+        logde<<"start runtime:"<<startData.runTime;
+        logde<<"end runtime:"<<endData.runTime;
 
         drawOITLine(startData,endData,step,objectName);
 
diff --git a/src/ui/centralwidget.h b/src/ui/centralwidget.h
index 376e2a8..05a5953 100644
--- a/src/ui/centralwidget.h
+++ b/src/ui/centralwidget.h
@@ -53,6 +53,8 @@ public:
     QCPCurve * getCurrentCurve(){return _currentCurve;}
 
     void startExperiment();
+
+    void setVerticalLineRange(const double,const double);
 signals:
     void sigContextMenuShow(const QPoint);
     void sigSendLineXCoord(const int,const double);
diff --git a/src/ui/experimentsettingform.cpp b/src/ui/experimentsettingform.cpp
index 8af35be..91024c4 100644
--- a/src/ui/experimentsettingform.cpp
+++ b/src/ui/experimentsettingform.cpp
@@ -21,6 +21,11 @@ ExperimentSettingForm::ExperimentSettingForm(QWidget *parent) : QWidget(parent),
     ui(new Ui::ExperimentSettingForm)
 {
     ui->setupUi(this);
+
+    ui->sampleNameLineEdit->setText("new");
+    ui->sampleWeightLineEdit->setText("0");
+    ui->userLineEdit->setText("user");
+
     uiReset();
 
     ui->checkBox_phase_1->setTristate(false);
diff --git a/src/ui/leftwidget.cpp b/src/ui/leftwidget.cpp
index 3d9ce56..4f84f52 100644
--- a/src/ui/leftwidget.cpp
+++ b/src/ui/leftwidget.cpp
@@ -53,6 +53,26 @@ void LeftWidget::reloadFileName()
     initFileName(_analysisStateItem,Global::AnalysisStateFolder);
 }
 
+QString LeftWidget::filePathCheck(const QString fileName,const QString folderPath)
+{
+    QString resultFileName = fileName;
+
+    QDir dir(folderPath);
+    QStringList files = dir.entryList(QDir::Files);
+    for(const QString &existedFileName:files){
+        QFileInfo fileInfo(existedFileName);
+        if(fileName == fileInfo.baseName()){
+            QDateTime currentDateTime = QDateTime::currentDateTime();
+            QString formattedTime = currentDateTime.toString("yyyy_MM_dd_HH_mm_ss");
+
+            resultFileName = fileName + QString("_") + formattedTime;
+            break;
+        }
+    }
+
+    return resultFileName;
+}
+
 void LeftWidget::initData()
 {
     //    const QString folderPath = QDir::currentPath()+"/../experiment_data";
diff --git a/src/ui/leftwidget.h b/src/ui/leftwidget.h
index cee0537..99f6abb 100644
--- a/src/ui/leftwidget.h
+++ b/src/ui/leftwidget.h
@@ -6,6 +6,8 @@
 #include <qtreewidget.h>
 #include <QTreeWidgetItem>
 
+#include "global.h"
+
 class LeftWidget:public QDockWidget
 {
     Q_OBJECT
@@ -13,6 +15,8 @@ public:
     LeftWidget(QWidget *parent = nullptr);
 
     void reloadFileName();
+
+    QString filePathCheck(const QString fileName,const QString folderPath);
 signals:
     void sigSendAnalysisFileName(const QString&);
 private:
diff --git a/src/ui/oitautoanalysisparamform.cpp b/src/ui/oitautoanalysisparamform.cpp
index a48ff0f..40180c8 100644
--- a/src/ui/oitautoanalysisparamform.cpp
+++ b/src/ui/oitautoanalysisparamform.cpp
@@ -1,11 +1,22 @@
 #include "oitautoanalysisparamform.h"
 #include "ui_oitautoanalysisparamform.h"
 
+#include "global.h"
+#include "logger.h"
+
 OITAutoAnalysisParamForm::OITAutoAnalysisParamForm(QWidget *parent) :
     QWidget(parent),
     ui(new Ui::OITAutoAnalysisParamForm)
 {
     ui->setupUi(this);
+
+    ui->LineEditCoefficient->setEnabled(false);
+    ui->LineEditThreshold->setEnabled(false);
+
+    ui->LineEditCoefficient->setText(
+                Global::converDoubleToStr(Global::_OITAutoAnalysisCoefficient));
+    ui->LineEditThreshold->setText(
+                Global::converDoubleToStr(Global::_OITAutoAnalysisThreshold));
 }
 
 OITAutoAnalysisParamForm::~OITAutoAnalysisParamForm()
@@ -16,4 +27,30 @@ OITAutoAnalysisParamForm::~OITAutoAnalysisParamForm()
 void OITAutoAnalysisParamForm::on_pushButtonOk_clicked()
 {
     hide();
+
+    if(ui->checkBoxAutoAnalysisEnable->checkState() == Qt::Checked){
+        Global::_OITAutoAnalysisModeFlag = true;
+    }else if(ui->checkBoxAutoAnalysisEnable->checkState() == Qt::Unchecked){
+        Global::_OITAutoAnalysisModeFlag = false;
+    }
+
+    Global::_OITAutoAnalysisCoefficient =
+            ui->LineEditCoefficient->text().toDouble();
+    Global::_OITAutoAnalysisThreshold =
+            ui->LineEditThreshold->text().toDouble();
+
+    logde<<"flag:"<<Global::_OITAutoAnalysisModeFlag;
+    logde<<"coefficient:"<<Global::_OITAutoAnalysisCoefficient;
+    logde<<"threshold:"<<Global::_OITAutoAnalysisThreshold;
+}
+
+void OITAutoAnalysisParamForm::on_checkBoxAutoAnalysisEnable_stateChanged(int arg1)
+{
+    if(arg1 == Qt::Checked){
+        ui->LineEditCoefficient->setEnabled(true);
+        ui->LineEditThreshold->setEnabled(true);
+    }else if(arg1 == Qt::Unchecked){
+        ui->LineEditCoefficient->setEnabled(false);
+        ui->LineEditThreshold->setEnabled(false);
+    }
 }
diff --git a/src/ui/oitautoanalysisparamform.h b/src/ui/oitautoanalysisparamform.h
index 01a82f3..cf8187c 100644
--- a/src/ui/oitautoanalysisparamform.h
+++ b/src/ui/oitautoanalysisparamform.h
@@ -18,6 +18,8 @@ public:
 private slots:
     void on_pushButtonOk_clicked();
 
+    void on_checkBoxAutoAnalysisEnable_stateChanged(int arg1);
+
 private:
     Ui::OITAutoAnalysisParamForm *ui;
 };
diff --git a/src/ui/oitautoanalysisparamform.ui b/src/ui/oitautoanalysisparamform.ui
index 30ea8c2..cb29b0e 100644
--- a/src/ui/oitautoanalysisparamform.ui
+++ b/src/ui/oitautoanalysisparamform.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>233</width>
-    <height>156</height>
+    <width>269</width>
+    <height>235</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -16,8 +16,8 @@
   <widget class="QPushButton" name="pushButtonOk">
    <property name="geometry">
     <rect>
-     <x>130</x>
-     <y>120</y>
+     <x>170</x>
+     <y>170</y>
      <width>80</width>
      <height>20</height>
     </rect>
@@ -29,8 +29,8 @@
   <widget class="QGroupBox" name="groupBox">
    <property name="geometry">
     <rect>
-     <x>10</x>
-     <y>10</y>
+     <x>30</x>
+     <y>60</y>
      <width>191</width>
      <height>91</height>
     </rect>
@@ -44,17 +44,10 @@
       <x>10</x>
       <y>20</y>
       <width>171</width>
-      <height>61</height>
+      <height>70</height>
      </rect>
     </property>
     <layout class="QFormLayout" name="formLayout">
-     <item row="0" column="0">
-      <widget class="QLabel" name="Label">
-       <property name="text">
-        <string>系数:</string>
-       </property>
-      </widget>
-     </item>
      <item row="0" column="1">
       <widget class="QLineEdit" name="LineEditCoefficient"/>
      </item>
@@ -68,9 +61,29 @@
      <item row="1" column="1">
       <widget class="QLineEdit" name="LineEditThreshold"/>
      </item>
+     <item row="0" column="0">
+      <widget class="QLabel" name="Label">
+       <property name="text">
+        <string>系数:</string>
+       </property>
+      </widget>
+     </item>
     </layout>
    </widget>
   </widget>
+  <widget class="QCheckBox" name="checkBoxAutoAnalysisEnable">
+   <property name="geometry">
+    <rect>
+     <x>30</x>
+     <y>30</y>
+     <width>181</width>
+     <height>18</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>OIT自动分析模式</string>
+   </property>
+  </widget>
  </widget>
  <resources/>
  <connections/>