diff --git a/experiment_data/sample_data/new.xlsx b/experiment_data/sample_data/new.xlsx
index 259bed6..0c573b0 100644
Binary files a/experiment_data/sample_data/new.xlsx and b/experiment_data/sample_data/new.xlsx differ
diff --git a/src/data/xlsxhandler.cpp b/src/data/xlsxhandler.cpp
index 3ee25ca..6f28d70 100644
--- a/src/data/xlsxhandler.cpp
+++ b/src/data/xlsxhandler.cpp
@@ -80,6 +80,8 @@ void XlsxHandler::readPhaseData(QXlsx::Worksheet *workSheet, int &startLineIndex
     // skip.第一段
     startLineIndex++;
 
+    logde<<"startLineIndex:"<<startLineIndex;
+
     phaseTotal.phase.cutoff_temp            = workSheet->cellAt(startLineIndex++, 2)->value().toDouble();
     phaseTotal.phase.temp_flow              = workSheet->cellAt(startLineIndex++, 2)->value().toDouble();
     phaseTotal.phase.constant_temp_time_min = (uint16_t)(workSheet->cellAt(startLineIndex++, 2)->value().toInt());
@@ -111,11 +113,20 @@ void XlsxHandler::writeFile(const QString filePath)
     xlsx.write(row++ , 1, ConFileDataInfo);
 
     xlsx.write(row , 1, ConSampleName);
-    xlsx.write(row , 2, ei.sampleName);
+    QString sampleName = ei.sampleName;
+    if(sampleName.isEmpty()){
+        sampleName = "sample";
+    }
+    xlsx.write(row , 2, sampleName);
     row++;
 
     xlsx.write(row , 1, ConSampleWeight);
-    xlsx.write(row , 2, ei.sampleWeight);
+    QString sampleWeight = ei.sampleWeight;
+    if(sampleWeight.isEmpty()){
+        sampleWeight = "1";
+    }
+    xlsx.write(row , 2, sampleWeight);
+
     xlsx.write(row , 3, ConUnitMg);
     row++;
 
@@ -125,26 +136,45 @@ void XlsxHandler::writeFile(const QString filePath)
     row++;
 
     xlsx.write(row , 1, Conexperimenter);
-    xlsx.write(row , 2, ei.experimentor);
+    QString experimentor = ei.experimentor;
+    if(experimentor.isEmpty()){
+        experimentor = "experimentor";
+    }
+    xlsx.write(row , 2, experimentor);
     row++;
 
     xlsx.write(row , 1, ConDate);
-    xlsx.write(row , 2, ei.date);
+    QString date = ei.date;
+    if(date.isEmpty()){
+        date = "20250101";
+    }
+    xlsx.write(row , 2, date);
     row++;
 
     xlsx.write(row , 1, ConMeasureType);
     xlsx.write(row , 2, "样品");
     row++;
 
+    int phaseSizeRow = row;
+    int phaseCount = 0;
     xlsx.write(row , 1, ConPhaseSize);
     xlsx.write(row , 2, ei.phaseVtr.size());
     row++;
 
     // Write phase data.
     int dataSizeRow = 0;
+    logde<<"phase vtr size:"<<ei.phaseVtr.size();
     for(int i = 0; i < ei.phaseVtr.size();i++){
+        logde<<"phase index:"<<i;
         const Phase& phase = ei.phaseVtr.at(i);
 
+        if(phase.onoff == 0){
+            logde<<"onoff == 0.";
+            continue;
+        }
+
+        phaseCount++;
+
         xlsx.write(row , 1, ConPhaseProfix);
         xlsx.write(row , 2, ConPhaseHeaderTime);
         xlsx.write(row , 3, ConPhaseHeaderTemp);
@@ -203,44 +233,22 @@ void XlsxHandler::writeFile(const QString filePath)
 
             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);
+            xlsx.write(row , 3, ed.sampleTemp);
+            xlsx.write(row , 4, ed.dsc);
+            xlsx.write(row , 5, ed.constantTempTime);
+            row++;
         }
     }
+    //
+    xlsx.write(phaseSizeRow , 1, ConPhaseSize);
+    xlsx.write(phaseSizeRow , 2, phaseCount);
 
+    //
+    logde<<"before xlsx save as...";
     if (!xlsx.saveAs(filePath)) {
         logde<<"Save xlsx failed.";
         return  ;
     }
     
-#if 0
-    // 创建一个新的 Excel 文档
-    QXlsx::Document xlsx;
-
-    // 检查数据是否为空
-    if (data.isEmpty()) {
-        qWarning() << "没有数据可写入";
-        return  ;
-    }
-
-    // 遍历数据并写入单元格
-    for (int row = 0; row < data.size(); ++row) {
-        const QVector<QString>& rowData = data[row];
-        for (int col = 0; col < rowData.size(); ++col) {
-            QString cellValue = rowData[col];
-            xlsx.write(row + 1, col + 1, cellValue); // 行和列从1开始
-        }
-    }
-
-    // 保存文件
-    if (!xlsx.saveAs(filePath)) {
-        qWarning() << "无法保存文件：" << filePath;
-        return  ;
-    }
-
-    qDebug() << "文件保存成功：" << filePath;
-    return  ;
-#endif
 }
 
diff --git a/src/ui/centralwidget.cpp b/src/ui/centralwidget.cpp
index dfc0149..ebe468d 100644
--- a/src/ui/centralwidget.cpp
+++ b/src/ui/centralwidget.cpp
@@ -48,9 +48,9 @@ CentralWidget::CentralWidget(QWidget *parent)
     _eventHandler->setEnable(true);
 
     _customPlot->installEventFilter(_eventHandler);
-    //    _customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom | QCP::iSelectPlottables);
+    _customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom | QCP::iSelectPlottables);
     //    _customPlot->setInteractions( QCP::iRangeZoom | QCP::iSelectPlottables);
-    _customPlot->setInteractions(QCP::iSelectPlottables);
+    //    _customPlot->setInteractions(QCP::iSelectPlottables);
 
     connect(_eventHandler,&EventHandler::sigSendLineXCoord,
             this,&CentralWidget::sigSendLineXCoord);
@@ -91,6 +91,8 @@ CentralWidget::~CentralWidget()
 
 void CentralWidget::setAnalysisMode(const CentralWidget::AnalysisMode mode)
 {
+    _customPlot->setInteractions(QCP::iSelectPlottables);
+
     _analysisMode = mode;
 
     switch (mode)
@@ -252,6 +254,7 @@ void CentralWidget::slotRecvAnalysisFileName(const QString &filePath)
         Global::_curveExperimentDataVtr.push_back({_currentCurve,fileInfo.fileName(),pti.dataVtr});
     }
 
+    _customPlot->rescaleAxes();
     _customPlot->replot();
 }
 
@@ -821,15 +824,24 @@ void CentralWidget::setEventHandlerEnable(const bool flag)
 
 #if 1
     // move line to suitable position.
-    double xMax = _customPlot->xAxis->range().upper; // X 轴的最大值
+    double xMax = _customPlot->xAxis->range().upper;
+    double xMin = _customPlot->xAxis->range().lower;
 
     logde<<"xMax:"<<xMax;
 
-    _line1->point1->setCoords(xMax / 3,_line1->point1->coords().y());
-    _line1->point2->setCoords(xMax / 3,_line1->point2->coords().y());
+    QVector<double> ticks = _customPlot->xAxis->tickVector();
+    int numTicks = ticks.size();
+    logde<<"ticks:"<<numTicks;
 
-    _line2->point1->setCoords(xMax / 3 * 2,_line2->point1->coords().y());
-    _line2->point2->setCoords(xMax / 3 * 2,_line2->point2->coords().y());
+    double range = xMax - xMin;
+    double xLeft = xMin + range / 3;
+    double xRight = xMin + range * 2 / 3;
+
+    _line1->point1->setCoords(xLeft,_line1->point1->coords().y());
+    _line1->point2->setCoords(xLeft,_line1->point2->coords().y());
+
+    _line2->point1->setCoords(xRight,_line2->point1->coords().y());
+    _line2->point2->setCoords(xRight,_line2->point2->coords().y());
 #endif
     lineVisiableFunc(_line1);
     if(AnalysisMode::NumericalLabel != _analysisMode){
@@ -839,13 +851,32 @@ void CentralWidget::setEventHandlerEnable(const bool flag)
     _customPlot->replot();
 }
 
+QPointF CentralWidget::getTheCoordinatesOfTheTextBox(const QPointF point)
+{
+    double xMax = _customPlot->xAxis->range().upper;
+    double xMin = _customPlot->xAxis->range().lower;
+
+    logde<<"xMax:"<<xMax;
+
+    QVector<double> ticks = _customPlot->xAxis->tickVector();
+    int numTicks = ticks.size();
+    logde<<"ticks:"<<numTicks;
+
+
+    double distance = (xMax - xMin) / ticks.size();
+
+    return QPointF(point.x() + distance,point.y());
+}
+
 void CentralWidget::drawText(const QPointF point, const QString text)
 {
+
+    QPointF textBoxPoint = getTheCoordinatesOfTheTextBox(point);
     // 创建标注文字（QCPItemText）
     QCPItemText *textLabel = new QCPItemText(_customPlot);
     textLabel->setPositionAlignment(Qt::AlignBottom | Qt::AlignHCenter);  // 对齐方式
     textLabel->position->setType(QCPItemPosition::ptPlotCoords);        // 使用数据坐标
-    textLabel->position->setCoords(point.x() + 20, point.y());  // 设置文本位置在指定点上方
+    textLabel->position->setCoords(textBoxPoint.x(),textBoxPoint.y());  // 设置文本位置在指定点上方
 
     textLabel->setText(text);  // 设置文本内容
     //    textLabel->setFont(QFont("Arial", 10));
diff --git a/src/ui/centralwidget.h b/src/ui/centralwidget.h
index e4ea755..d389433 100644
--- a/src/ui/centralwidget.h
+++ b/src/ui/centralwidget.h
@@ -60,8 +60,8 @@ private:
     double derivativeAt(const double a, const double b, const double x);
     PointCalculate::Line calculateLinearRegression(const QVector<double>& x, const QVector<double>& y);
 
-
     void setEventHandlerEnable(const bool);
+    QPointF getTheCoordinatesOfTheTextBox(const QPointF point);
     void drawText(const QPointF,const QString);
     void fillGraph(const double x1,const double x2);