diff --git a/experiment_data/analysis_state/92-new.xlsx b/experiment_data/analysis_state/92-new.xlsx
new file mode 100644
index 0000000..9a9d02f
Binary files /dev/null and b/experiment_data/analysis_state/92-new.xlsx differ
diff --git a/experiment_data/analysis_state/94-new.xlsx b/experiment_data/analysis_state/94-new.xlsx
new file mode 100644
index 0000000..5bcf3c8
Binary files /dev/null and b/experiment_data/analysis_state/94-new.xlsx differ
diff --git a/src/data/xlsxhandler.cpp b/src/data/xlsxhandler.cpp
index 6333ad0..518aa29 100644
--- a/src/data/xlsxhandler.cpp
+++ b/src/data/xlsxhandler.cpp
@@ -528,6 +528,172 @@ void XlsxHandler::writeAnalysisOperationDetail(QXlsx::Document *xlsx, const int
 
 void XlsxHandler::writeSmoothnessFile(const QString filePath)
 {
+    if(Global::_curveFileDataVtr.empty()){
+        logde<<"curve file data vtr empty...";
+        return;
+    }
+
+    Global::ExperimentInfo& ei = Global::_curveFileDataVtr.first().ei;
+
+    QXlsx::Document xlsx;
+    xlsx.addSheet("Sheet1"); // 添加一个新的工作表
+
+    // Write experiment info.
+    int row = 1;
+    xlsx.write(row++ , 1, ConFileDataInfo);
+
+    xlsx.write(row , 1, ConSampleName);
+    QString sampleName = ei.sampleName;
+    if(sampleName.isEmpty()){
+        sampleName = "sample";
+    }
+    xlsx.write(row , 2, sampleName);
+    row++;
+
+    xlsx.write(row , 1, ConSampleWeight);
+    QString sampleWeight = ei.sampleWeight;
+    if(sampleWeight.isEmpty()){
+        sampleWeight = "1";
+    }
+    xlsx.write(row , 2, sampleWeight);
+
+    xlsx.write(row , 3, ConUnitMg);
+    row++;
+
+    xlsx.write(row , 1, ConCrucibleWeight);
+    xlsx.write(row , 2, 0);
+    xlsx.write(row , 3, ConUnitMg);
+    row++;
+
+    xlsx.write(row , 1, Conexperimenter);
+    QString experimentor = ei.experimentor;
+    if(experimentor.isEmpty()){
+        experimentor = "experimentor";
+    }
+    xlsx.write(row , 2, experimentor);
+    row++;
+
+    xlsx.write(row , 1, ConDate);
+    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.
+
+    logde<<"curve file vtr size:"<<Global::_curveFileDataVtr.size();
+   QVector<Global::PhaseTotalInfo>& phaseVtr =
+           Global::_curveFileDataVtr.first().phaseTotalVtr;
+
+    int dataSizeRow = 0;
+//    logde<<"phase vtr size:"<<ei.phaseVtr.size();
+
+    for(int i = 0; i < phaseVtr.size();i++){
+        logde<<"phase index:"<<i;
+//        const Phase& phase = ei.phaseVtr.at(i);
+
+        Phase phase = phaseVtr.at(i).phase;
+
+        if(phase.onoff == 0){
+            //            logde<<"onoff == 0.";
+            continue;
+        }
+
+        phaseCount++;
+
+        xlsx.write(row , 1, ConPhaseProfix);
+        xlsx.write(row , 2, ConPhaseHeaderTime);
+        xlsx.write(row , 3, ConPhaseHeaderTemp);
+        xlsx.write(row , 4, ConPhaseHeaderVoltage);
+        xlsx.write(row , 5, ConPhaseHeaderTime);
+        row++;
+
+        xlsx.write(row , 1, ConPhaseIndex);
+        xlsx.write(row , 2, i + 1);
+        row++;
+
+        // phase info
+        xlsx.write(row , 1, ConPhaseCutoffTemp);
+        xlsx.write(row , 2, phase.cutoff_temp);
+        xlsx.write(row , 3, ConUnitDegreeCentigrade);
+        row++;
+
+        xlsx.write(row , 1, ConPhaseHeatingRate);
+        xlsx.write(row , 2, phase.temp_flow);
+        xlsx.write(row , 3, ConUnitDegreeCentigradePerMin);
+        row++;
+
+        xlsx.write(row , 1, ConPhaseConstantTempTime);
+        xlsx.write(row , 2, phase.constant_temp_time_min);
+        xlsx.write(row , 3, ConUnitMin);
+        row++;
+
+        xlsx.write(row , 1, ConPhaseAtmosphere);
+        switch(phase.gas){
+        case GasType::NC:
+            xlsx.write(row , 2, "NC");
+            break;
+        case GasType::N2:
+            xlsx.write(row , 2, "N2");
+            break;
+        case GasType::O2:
+            xlsx.write(row , 2, "O2");
+            break;
+        default:break;
+        }
+        row++;
+
+        // phase data.
+        //        logde<<"Global::_curveExperimentDataVtr size:"
+        //            <<Global::_curveExperimentDataVtr.size();
+
+        const QVector<Global::ExperimentData>& edVtr =
+                phaseVtr.at(i).dataVtr;
+
+        // phase data size.
+        dataSizeRow = row;
+        xlsx.write(row , 1, ConPhaseDataSize);
+        xlsx.write(row , 2, edVtr.size());
+        row++;
+
+        //        logde<<"edVtr size:"<<edVtr.size();
+
+        for(int index = 0;index < edVtr.size();index++){
+            //            logde<<"index :"<<index;
+            const Global::ExperimentData & ed = edVtr.at(index);
+
+            xlsx.write(row , 1, index);
+            xlsx.write(row , 2, ed.runTime);
+            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);
+    //
+    writeAnalysisOperationDetail(&xlsx,row);
+    //
+    logde<<"before xlsx save as...";
+    if (!xlsx.saveAs(filePath)) {
+        logde<<"Save xlsx failed.";
+        return  ;
+    }
+
 #if 0
     if(Global::_curveFileDataVtr.empty()){
         // Load experiment data.
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 28b08d7..61d2db9 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -279,7 +279,7 @@ bool MainWindow::saveFile(const QString fileName,const Global::Mode mode)
         }else{
             logde<<"analysis xlsx data...";
             if(Global::_smoothnessFlag){
-
+                XlsxHandler::writeSmoothnessFile(filePath);
             }else{
                 XlsxHandler::appendAnalysisOperation(filePath);
             }