diff --git a/experiment_data/analysis_state/617-new.xlsx b/experiment_data/analysis_state/617-new.xlsx
new file mode 100644
index 0000000..dd315c9
Binary files /dev/null and b/experiment_data/analysis_state/617-new.xlsx differ
diff --git a/experiment_data/analysis_state/6172-new.xlsx b/experiment_data/analysis_state/6172-new.xlsx
new file mode 100644
index 0000000..1416640
Binary files /dev/null and b/experiment_data/analysis_state/6172-new.xlsx differ
diff --git a/experiment_data/analysis_state/~$617-new.xlsx b/experiment_data/analysis_state/~$617-new.xlsx
new file mode 100644
index 0000000..d4a5841
Binary files /dev/null and b/experiment_data/analysis_state/~$617-new.xlsx differ
diff --git a/experiment_data/analysis_state/~$6172-new.xlsx b/experiment_data/analysis_state/~$6172-new.xlsx
new file mode 100644
index 0000000..d4a5841
Binary files /dev/null and b/experiment_data/analysis_state/~$6172-new.xlsx differ
diff --git a/src/data/xlsxhandler.cpp b/src/data/xlsxhandler.cpp
index 80d5616..ff6baa1 100644
--- a/src/data/xlsxhandler.cpp
+++ b/src/data/xlsxhandler.cpp
@@ -44,7 +44,7 @@ int XlsxHandler::readFile(const QString filePath, Global::CurveFileData &cfd)
 
     _currentFilePath = filePath;
 
-//    cfd.fileName = fileInfo.fileName();
+    //    cfd.fileName = fileInfo.fileName();
     cfd.filePath = filePath;
 
     QXlsx::Document xlsx(filePath);
@@ -307,6 +307,7 @@ void XlsxHandler:: xlsxFileAppendAnalysisOperation(const QString filePath)
         logde << "current sheet is empty.";
         return;
     }
+
     int index = sheet->dimension().lastRow();
     logde<<"lastRow:"<<index;
 
@@ -606,11 +607,11 @@ void XlsxHandler::writeSmoothnessFile(const QString filePath)
         //        logde<<"Global::_curveExperimentDataVtr size:"
         //            <<Global::_curveExperimentDataVtr.size();
 
-          QVector<Global::ExperimentData> edVtr =
+        QVector<Global::ExperimentData> edVtr =
                 phaseVtr.at(i).dataVtr;
-          if(!phaseVtr.at(i).smoothDataVtr.empty()){
-              edVtr = phaseVtr.at(i).smoothDataVtr;
-          }
+        if(!phaseVtr.at(i).smoothDataVtr.empty()){
+            edVtr = phaseVtr.at(i).smoothDataVtr;
+        }
 
         // phase data size.
         dataSizeRow = row;
@@ -655,6 +656,9 @@ void XlsxHandler::writeXlsxFile(const QString filePath)
     QVector<Global::PhaseTotalInfo>& phaseVtr =
             Global::_curveFileDataVtr.first().phaseTotalVtr;
 
+    writeSmoothnessFile(filePath);
+
+#if 0
     if(phaseVtr.first().smoothDataVtr.empty()){
         logde<<"xlsx file data smooth vtr is empty.";
         xlsxFileAppendAnalysisOperation(filePath);
@@ -662,4 +666,38 @@ void XlsxHandler::writeXlsxFile(const QString filePath)
         logde<<"xlsx file data smooth vtr is not empty.";
         writeSmoothnessFile(filePath);
     }
+#endif
+}
+
+int XlsxHandler::deleteInvalidRow(QXlsx::Document *doc)
+{
+    QXlsx::Worksheet *sheet = doc->currentWorksheet();
+    if(!sheet)
+    {
+        logde << "current sheet is empty.";
+        return 0;
+    }
+
+    int lastRow = doc->dimension().lastRow();
+    logde<<"lastRow:"<<lastRow;
+
+    int startRow = lastRow - 19; // 倒数第20行
+
+    for (int row = lastRow; row >= startRow; --row) {
+        QString cellValue = sheet->read(row, 0).toString();
+        if (cellValue.isEmpty()
+                || cellValue == ConAnalysisOperationCount
+                || cellValue == AnaOpRecorder::NumericalLabelStr
+                || cellValue == AnaOpRecorder::StartPointStr
+                || cellValue == AnaOpRecorder::StopPointStr
+                || cellValue == AnaOpRecorder::PeakSynthesisAnalysisStr
+                || cellValue == AnaOpRecorder::GlassTransitionStr
+                || cellValue == AnaOpRecorder::OnsetTemperaturePointStr
+                || cellValue == AnaOpRecorder::EndsetTemperaturePointStr
+                ) {
+            qDebug() << "Row" << row << "is empty or contains specified string. Deleting row.";
+//            sheet->deleteRows(row, 1); // 删除当前行
+//            sheet->deleteRow(row);
+        }
+    }
 }
diff --git a/src/data/xlsxhandler.h b/src/data/xlsxhandler.h
index 2440b9d..0c992ab 100644
--- a/src/data/xlsxhandler.h
+++ b/src/data/xlsxhandler.h
@@ -32,6 +32,9 @@ namespace XlsxHandler {
 
     void writeAnalysisOperationDetail(QXlsx::Document*doc,const int row);
 
+    // discard
+    int deleteInvalidRow(QXlsx::Document*doc);
+
     extern QString _currentFilePath;
 
     const QString ConUnitMg = "mg";
diff --git a/src/ui/centralwidget.cpp b/src/ui/centralwidget.cpp
index a8c36e9..3896737 100644
--- a/src/ui/centralwidget.cpp
+++ b/src/ui/centralwidget.cpp
@@ -574,14 +574,14 @@ void CentralWidget::uiLoadXlsxFileData()
 
 #if 1
     // Load xlsx file data.
+    QVector<ExperimentData> allDataVtr;
     for(Global::CurveFileData& cfd:Global::_curveFileDataVtr){
         for(int i = 0;i < cfd.phaseTotalVtr.size();i++){
             Global::PhaseTotalInfo& pti = cfd.phaseTotalVtr[i];
 
-            PointCalculate::setAnalysisData(pti.dataVtr);
+            allDataVtr.append(pti.dataVtr);
 
             // Load data.
-            QVector<Global::ExperimentData> dataVtr;
             QVector<double> tVtr,xVtr, yVtr;
             int index = 0;
             for (Global::ExperimentData &ed : pti.dataVtr)
@@ -624,6 +624,8 @@ void CentralWidget::uiLoadXlsxFileData()
             pti.curve = _currentCurve;
         }
 
+        PointCalculate::setAnalysisData(allDataVtr);
+
         // Add analysis operation data.
         if(cfd.analysisOperationVtr.size() > 0){
             for(AnaOpRecorder::AnalysisOperation& ao