diff --git a/experiment_data/sample_data/~$锡.xlsx b/experiment_data/sample_data/~$锡.xlsx
new file mode 100644
index 0000000..d4a5841
Binary files /dev/null and b/experiment_data/sample_data/~$锡.xlsx differ
diff --git a/src/global.h b/src/global.h
index efd222f..6016f11 100644
--- a/src/global.h
+++ b/src/global.h
@@ -16,6 +16,8 @@ const QString SampleDataFloder = ExperimentDirPath + "/sample_data";
 const QString BaseLineFolder = ExperimentDirPath + "/base_line";
 const QString AnalysisStateFolder = ExperimentDirPath + "/analysis_state";
 
+const QString CurveOfTimeTypeObjectName("curve_time");
+
 enum Mode{
     Analysis,
     ConnectedToDev,
@@ -69,7 +71,7 @@ struct CurveFileData{
 
 struct CurveExperimentData{
     QCPCurve * curve;
-    QString fileName;
+    QString fileName; // discard
     QVector<Global::ExperimentData> dataVtr;
 };
 
diff --git a/src/images.qrc b/src/images.qrc
index 44c5382..160f474 100644
--- a/src/images.qrc
+++ b/src/images.qrc
@@ -7,5 +7,6 @@
         <file>images/real_time_widget.png</file>
         <file>images/logo.png</file>
         <file>images/logo.ico</file>
+        <file>images/axis.png</file>
     </qresource>
 </RCC>
diff --git a/src/images/axis.png b/src/images/axis.png
new file mode 100644
index 0000000..830b8f3
Binary files /dev/null and b/src/images/axis.png differ
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index c015ef5..0b6b406 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -389,3 +389,8 @@ void MainWindow::on_actionEndsetTemperaturePoint_triggered()
     _rightWidget->show();
     _centralWidget->setAnalysisMode(CentralWidget::AnalysisMode::EndsetTemperaturePoint);
 }
+
+void MainWindow::on_actionYAxis_triggered()
+{
+_centralWidget->switchAxisMode();
+}
diff --git a/src/mainwindow.h b/src/mainwindow.h
index 86a1eda..46279d3 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -87,6 +87,8 @@ private slots:
 
     void on_actionEndsetTemperaturePoint_triggered();
 
+    void on_actionYAxis_triggered();
+
 private:
     void connections();
     void setActionEnable(const bool);
diff --git a/src/mainwindow.ui b/src/mainwindow.ui
index 1bb6a25..1c31be1 100644
--- a/src/mainwindow.ui
+++ b/src/mainwindow.ui
@@ -36,6 +36,7 @@
      <string>视图</string>
     </property>
     <addaction name="actionRealTimeWidget"/>
+    <addaction name="actionYAxis"/>
    </widget>
    <widget class="QMenu" name="menu_3">
     <property name="title">
@@ -116,6 +117,7 @@
    <addaction name="actionStart"/>
    <addaction name="actionStop"/>
    <addaction name="actionRealTimeWidget"/>
+   <addaction name="actionYAxis"/>
    <addaction name="actionReadOnly"/>
    <addaction name="actionClearAllData"/>
   </widget>
@@ -286,6 +288,15 @@
     <string>打印预览</string>
    </property>
   </action>
+  <action name="actionYAxis">
+   <property name="icon">
+    <iconset resource="images.qrc">
+     <normaloff>:/images/axis.png</normaloff>:/images/axis.png</iconset>
+   </property>
+   <property name="text">
+    <string>Y轴</string>
+   </property>
+  </action>
  </widget>
  <resources>
   <include location="images.qrc"/>
diff --git a/src/serialport/dataparser.cpp b/src/serialport/dataparser.cpp
index 7885ad6..bc9ddc5 100644
--- a/src/serialport/dataparser.cpp
+++ b/src/serialport/dataparser.cpp
@@ -41,7 +41,7 @@ bool commonDataParser(const QByteArray &ba, CommonData &cd)
 
 QByteArray connectToDevice(const QVector<Phase> &vtr)
 {
-//    const int phaseLength = sizeof(Phase);
+    //    const int phaseLength = sizeof(Phase);
     const int phaseLength = PHASE_BYTE_SIZE;
 
     const int phaseArrayLength = vtr.size() * phaseLength;
@@ -162,12 +162,15 @@ void experimentalStateSwitching(const CommonData &cd)
         Global::_curveExperimentDataVtr.push_back(ced);
         Global::_currentCurveExperimentDataPtr = &Global::_curveExperimentDataVtr.last();
 
-        Global::_currentCurveExperimentDataPtr->fileName = Global::_experimentInfo.sampleName;
+#if 1
+        Global::_currentCurveExperimentDataPtr->fileName =
+                Global::_experimentInfo.sampleName;
+#endif
     }
 
-//    logde<<"phase:"<<(int)cd.current_phase;
-//    logde<<"run type:"<<(int)cd.run_type;
-//    logde<<"software mode:"<<Global::_mode;
+    //    logde<<"phase:"<<(int)cd.current_phase;
+    //    logde<<"run type:"<<(int)cd.run_type;
+    //    logde<<"software mode:"<<Global::_mode;
 }
 
 unsigned short modbusCRC16(unsigned char *data, unsigned short length)
diff --git a/src/ui/centralwidget.cpp b/src/ui/centralwidget.cpp
index 52639d7..be47f78 100644
--- a/src/ui/centralwidget.cpp
+++ b/src/ui/centralwidget.cpp
@@ -13,10 +13,11 @@
 
 CentralWidget::CentralWidget(QWidget *parent)
     : QWidget(parent)
-        ,_customPlot(new LocalCustomPlot(this))
-//    ,_customPlot(new QCustomPlot(this))
+    ,_customPlot(new LocalCustomPlot(this))
+    //    ,_customPlot(new QCustomPlot(this))
     ,_analysisMode(AnalysisMode::Null)
     ,_currentCurve(nullptr)
+    ,_axisMode(AxisMode::SingleY)
 {
     setMouseTracking(true);
 
@@ -90,6 +91,62 @@ CentralWidget::~CentralWidget()
 {
 }
 
+void CentralWidget::switchAxisMode()
+{
+    if(Global::_mode != Global::Mode::Analysis){
+        return;
+    }
+
+    if(_axisMode == AxisMode::SingleY){
+        _axisMode = AxisMode::DoubleY;
+
+        _customPlot->yAxis2->setVisible(true);
+        _customPlot->yAxis2->setLabel("Time/min");
+
+        for(Global::CurveFileData& cfd:Global::_curveFileDataVtr){
+            for(Global::PhaseTotalInfo& pti:cfd.phaseTotalVtr){
+
+                QVector<Global::ExperimentData> dataVtr;
+                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.runTime);
+                }
+
+                double yMin = yVtr.first();
+                double yMax = yVtr.last();
+                double tick = (yMax - yMin) / 4;
+
+                double axisMin = yMin - tick;
+                double axisMax = yMax + tick;
+                _customPlot->yAxis2->setRange(axisMin,axisMax);
+
+                QCPCurve* curve = new QCPCurve(_customPlot->xAxis, _customPlot->yAxis2);
+                curve->setData(tVtr, xVtr, yVtr);
+
+                curve->setObjectName(Global::CurveOfTimeTypeObjectName);
+            }
+        }
+
+    }else{
+        _axisMode = AxisMode::SingleY;
+
+        _customPlot->yAxis2->setVisible(false);
+
+        for (int i = _customPlot->graphCount() - 1; i >= 0; --i) {
+            QCPGraph *graph = _customPlot->graph(i);
+            if(graph && graph->objectName() == Global::CurveOfTimeTypeObjectName){
+                _customPlot->removeGraph(graph);
+            }
+        }
+    }
+
+    _customPlot->replot();
+}
+
 void CentralWidget::setAnalysisMode(const CentralWidget::AnalysisMode mode)
 {
     _analysisMode = mode;
@@ -929,6 +986,7 @@ QPixmap CentralWidget::getPixMap()
     return _customPlot->toPixmap();
 }
 
+
 void CentralWidget::slotAxisModify(const float temp)
 {
     _customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom | QCP::iSelectPlottables);
diff --git a/src/ui/centralwidget.h b/src/ui/centralwidget.h
index cd52e85..01cc380 100644
--- a/src/ui/centralwidget.h
+++ b/src/ui/centralwidget.h
@@ -35,6 +35,12 @@ public:
     EventHandler* getEvnetHandler(){return _eventHandler;}
 
     QPixmap getPixMap();
+
+    enum AxisMode{
+        SingleY,
+        DoubleY
+    };
+    void switchAxisMode();
 signals:
     void sigContextMenuShow(const QPoint);
     void sigSendLineXCoord(const int,const double);
@@ -88,6 +94,7 @@ private:
     QCPItemStraightLine *_line1,*_line2;
     //    QVector<Global::ExperimentData> _dataVtr;
     QVector<QCPItemStraightLine*> _lineVtr;
+    AxisMode _axisMode;
 };
 
 #endif // CENTRALWIDGET_H