diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..cd40e24
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,26 @@
+{
+    "cmake.sourceDirectory": "D:/gitfile/analysis_tool/src",
+    "files.associations": {
+        "new": "cpp",
+        "__locale": "cpp",
+        "ios": "cpp",
+        "queue": "cpp",
+        "stack": "cpp",
+        "__config": "cpp",
+        "__bit_reference": "cpp",
+        "__hash_table": "cpp",
+        "__split_buffer": "cpp",
+        "__tree": "cpp",
+        "array": "cpp",
+        "deque": "cpp",
+        "initializer_list": "cpp",
+        "list": "cpp",
+        "map": "cpp",
+        "set": "cpp",
+        "string": "cpp",
+        "string_view": "cpp",
+        "unordered_map": "cpp",
+        "unordered_set": "cpp",
+        "vector": "cpp"
+    }
+}
\ No newline at end of file
diff --git a/DSCAnalysisTool-release/bin/log/20251201.log b/DSCAnalysisTool-release/bin/log/20251201.log
new file mode 100644
index 0000000..f2c04df
--- /dev/null
+++ b/DSCAnalysisTool-release/bin/log/20251201.log
@@ -0,0 +1,5 @@
+[2025-12-01 10:46:10,897] main...
+[2025-12-01 10:46:10,899] config file existed. 
+[2025-12-01 10:46:10,936] version:1.3.5.1
+[2025-12-01 10:46:10,980] setEventHandlerEnable...0
+[2025-12-01 10:46:31,805] serialport destructor.
diff --git a/experiment_data/analysis_state/03-111.xlsx b/experiment_data/analysis_state/03-111.xlsx
deleted file mode 100644
index 063fbd7..0000000
Binary files a/experiment_data/analysis_state/03-111.xlsx and /dev/null differ
diff --git a/experiment_data/analysis_state/13-2-new.xlsx b/experiment_data/analysis_state/13-2-new.xlsx
deleted file mode 100644
index 76ba3b7..0000000
Binary files a/experiment_data/analysis_state/13-2-new.xlsx and /dev/null differ
diff --git a/experiment_data/analysis_state/16-2-new.xlsx b/experiment_data/analysis_state/16-2-new.xlsx
deleted file mode 100644
index 144edec..0000000
Binary files a/experiment_data/analysis_state/16-2-new.xlsx and /dev/null differ
diff --git a/experiment_data/sample_data/1111new.xlsx b/experiment_data/sample_data/1111new.xlsx
deleted file mode 100644
index 2bc3252..0000000
Binary files a/experiment_data/sample_data/1111new.xlsx and /dev/null differ
diff --git a/experiment_data/sample_data/17-new.xlsx b/experiment_data/sample_data/17-new.xlsx
deleted file mode 100644
index c47c0c1..0000000
Binary files a/experiment_data/sample_data/17-new.xlsx and /dev/null differ
diff --git a/experiment_data/sample_data/19-6.xlsx b/experiment_data/sample_data/19-6.xlsx
deleted file mode 100644
index a7cefc6..0000000
Binary files a/experiment_data/sample_data/19-6.xlsx and /dev/null differ
diff --git a/experiment_data/sample_data/20升温.xlsx b/experiment_data/sample_data/20升温.xlsx
deleted file mode 100644
index ca8d096..0000000
Binary files a/experiment_data/sample_data/20升温.xlsx and /dev/null differ
diff --git a/experiment_data/sample_data/22222222.xlsx b/experiment_data/sample_data/22222222.xlsx
deleted file mode 100644
index 3262af1..0000000
Binary files a/experiment_data/sample_data/22222222.xlsx and /dev/null differ
diff --git a/experiment_data/sample_data/555.xlsx b/experiment_data/sample_data/555.xlsx
deleted file mode 100644
index a7adb07..0000000
Binary files a/experiment_data/sample_data/555.xlsx and /dev/null differ
diff --git a/src/.vscode/launch.json b/src/.vscode/launch.json
index d0997cb..a3f8fa1 100644
--- a/src/.vscode/launch.json
+++ b/src/.vscode/launch.json
@@ -18,7 +18,7 @@
             ],
             "externalConsole": false,
             "miDebuggerPath": "D:/qt/Qt5.14.2/5.14.2/mingw73_64/bin/gdb.exe",
-            "visualizerFile": "c:\\Users\\sunqu\\AppData\\Roaming\\Code\\User\\workspaceStorage\\7f93734217a2e383fe34beaf49d497fe\\tonka3000.qtvsctools\\qt.natvis.xml"
+            "visualizerFile": "c:\\Users\\sunqu\\AppData\\Roaming\\Trae CN\\User\\workspaceStorage\\7f93734217a2e383fe34beaf49d497fe\\tonka3000.qtvsctools\\qt.natvis.xml"
         }
     ]
 }
\ No newline at end of file
diff --git a/src/DSCAnalysisTool.pro b/src/DSCAnalysisTool.pro
index c8e4fea..c41f6a6 100644
--- a/src/DSCAnalysisTool.pro
+++ b/src/DSCAnalysisTool.pro
@@ -9,7 +9,7 @@ CONFIG+=precompile_header
 PRECOMPILED_HEADER=stable.h
 
 #
-VERSION = 1.3.7
+VERSION = 1.4.0
 # 设置目标文件名，包含版本号
 TARGET = DSCAnalysisTool_$${VERSION}
 
diff --git a/src/global.cpp b/src/global.cpp
index 7ab757a..55cd039 100644
--- a/src/global.cpp
+++ b/src/global.cpp
@@ -3,23 +3,24 @@
 
 #include "global.h"
 
-namespace Global {
+namespace Global
+{
     Mode _mode = Mode::Analysis;
 
     AxisMode _axisMode = AxisMode::SingleY;
 
     QVector<CurveFileData> _curveFileDataVtr;
 
-    int                          _currentPhase = 0;
-    ExperimentInfo               _experimentInfo;
+    int _currentPhase = 0;
+    ExperimentInfo _experimentInfo;
     QVector<CurveExperimentData> _curveExperimentDataVtr;
-    CurveExperimentData         *_currentCurveExperimentDataPtr = nullptr;
+    CurveExperimentData *_currentCurveExperimentDataPtr = nullptr;
 
-    bool                         _smoothnessFlag = false;
+    bool _smoothnessFlag = false;
     QVector<CurveExperimentData> _curveSmoothnessDataVtr;
-    QString                      _smoothnessFileName;
+    QString _smoothnessFileName;
 
-    bool            _enthalpyCoefficientEnableFlag = false;
+    bool _enthalpyCoefficientEnableFlag = false;
     QVector<double> _enthalpyCoefficientVtr;
 
     bool _displayTimeValue = false;
@@ -29,18 +30,21 @@ namespace Global {
     bool _experimentOITFlag = false;
 
     // OIT auto mode.
-    bool   _OITAutoAnalysisModeFlag    = false;
+    bool _OITAutoAnalysisModeFlag = false;
     double _OITAutoAnalysisCoefficient = OITAutoAnalysisDefaultCoefficient;
-    double _OITAutoAnalysisThreshold   = OITAutoAnalysisDefaultThreshold;
+    double _OITAutoAnalysisThreshold = OITAutoAnalysisDefaultThreshold;
     // 实验文件
     QStringList _fileList;
 
-    QString converDoubleToStr(const double num) {
+    QString converDoubleToStr(const double num)
+    {
         return QString::number(num, 'f', 3);
     }
 
-    void quadraticLeastSquaresFit(double x[], double y[], int n, double coeff[]) {
-        if (n < 3) {
+    void quadraticLeastSquaresFit(double x[], double y[], int n, double coeff[])
+    {
+        if (n < 3)
+        {
             throw std::invalid_argument("At least 3 data points are required for quadratic fitting");
         }
 
@@ -48,12 +52,13 @@ namespace Global {
         double sum_y = 0, sum_xy = 0, sum_x2y = 0;
 
         // 计算各项累加和
-        for (int i = 0; i < n; ++i) {
-            double xi  = x[i];
+        for (int i = 0; i < n; ++i)
+        {
+            double xi = x[i];
             double xi2 = xi * xi;
             double xi3 = xi2 * xi;
             double xi4 = xi3 * xi;
-            double yi  = y[i];
+            double yi = y[i];
 
             sum_x += xi;
             sum_x2 += xi2;
@@ -66,50 +71,61 @@ namespace Global {
 
         // 构建正规方程组的增广矩阵
         double matrix[3][4] = {
-            { sum_x4, sum_x3, sum_x2, sum_x2y },                // 对应方程: a*Σx⁴ + b*Σx³ + c*Σx² = Σx²y
-            { sum_x3, sum_x2, sum_x, sum_xy },                  // 对应方程: a*Σx³ + b*Σx² + c*Σx = Σxy
-            { sum_x2, sum_x, static_cast<double>(n), sum_y }    // 对应方程: a*Σx² + b*Σx + c*n = Σy
+            {sum_x4, sum_x3, sum_x2, sum_x2y},             // 对应方程: a*Σx⁴ + b*Σx³ + c*Σx² = Σx²y
+            {sum_x3, sum_x2, sum_x, sum_xy},               // 对应方程: a*Σx³ + b*Σx² + c*Σx = Σxy
+            {sum_x2, sum_x, static_cast<double>(n), sum_y} // 对应方程: a*Σx² + b*Σx + c*n = Σy
         };
 
         // 高斯消元法解方程组
-        for (int i = 0; i < 3; ++i) {
+        for (int i = 0; i < 3; ++i)
+        {
             // 部分主元选择
             int maxRow = i;
-            for (int k = i + 1; k < 3; ++k) {
-                if (std::abs(matrix[k][i]) > std::abs(matrix[maxRow][i])) {
+            for (int k = i + 1; k < 3; ++k)
+            {
+                if (std::abs(matrix[k][i]) > std::abs(matrix[maxRow][i]))
+                {
                     maxRow = k;
                 }
             }
 
             // 交换行
-            for (int k = i; k < 4; ++k) {
+            for (int k = i; k < 4; ++k)
+            {
                 std::swap(matrix[i][k], matrix[maxRow][k]);
             }
 
             // 消元
-            for (int k = i + 1; k < 3; ++k) {
+            for (int k = i + 1; k < 3; ++k)
+            {
                 double factor = matrix[k][i] / matrix[i][i];
-                for (int j = i; j < 4; ++j) {
+                for (int j = i; j < 4; ++j)
+                {
                     matrix[k][j] -= factor * matrix[i][j];
                 }
             }
         }
 
         // 回代求解
-        coeff[2] = matrix[2][3] / matrix[2][2];                                                          // c
-        coeff[1] = (matrix[1][3] - matrix[1][2] * coeff[2]) / matrix[1][1];                              // b
-        coeff[0] = (matrix[0][3] - matrix[0][2] * coeff[2] - matrix[0][1] * coeff[1]) / matrix[0][0];    // a
+        coeff[2] = matrix[2][3] / matrix[2][2];                                                       // c
+        coeff[1] = (matrix[1][3] - matrix[1][2] * coeff[2]) / matrix[1][1];                           // b
+        coeff[0] = (matrix[0][3] - matrix[0][2] * coeff[2] - matrix[0][1] * coeff[1]) / matrix[0][0]; // a
     }
 
     // 计算一元一次函数在给定区间内开始变成负值的点
-    double findNegativeStartPoint(double m, double b, double start, double end) {
+    double findNegativeStartPoint(double m, double b, double start, double end)
+    {
         // 处理斜率为零的情况
-        if (m == 0) {
+        if (m == 0)
+        {
             // 当斜率为 0 时，函数值为常数 b
-            if (b < 0) {
-                return start;    // 若 b 为负，函数在区间起始点就为负
-            } else {
-                return std::numeric_limits<double>::infinity();    // 若 b 非负，函数在区间内不会变负
+            if (b < 0)
+            {
+                return start; // 若 b 为负，函数在区间起始点就为负
+            }
+            else
+            {
+                return std::numeric_limits<double>::infinity(); // 若 b 非负，函数在区间内不会变负
             }
         }
 
@@ -117,20 +133,26 @@ namespace Global {
         double zeroPoint = -b / m;
 
         // 检查零点是否在给定区间内
-        if (zeroPoint >= start && zeroPoint <= end) {
-            return zeroPoint;    // 零点在区间内，函数在此点开始变负
+        if (zeroPoint >= start && zeroPoint <= end)
+        {
+            return zeroPoint; // 零点在区间内，函数在此点开始变负
         }
 
         // 根据斜率正负判断函数单调性，进而判断函数在区间内是否会变负
-        if (m > 0) {
+        if (m > 0)
+        {
             // 斜率大于 0，函数单调递增
-            if (m * start + b < 0) {
-                return start;    // 起始点函数值为负，函数在起始点就为负
+            if (m * start + b < 0)
+            {
+                return start; // 起始点函数值为负，函数在起始点就为负
             }
-        } else {
+        }
+        else
+        {
             // 斜率小于 0，函数单调递减
-            if (m * end + b < 0) {
-                return end;    // 结束点函数值为负，函数在结束点开始为负
+            if (m * end + b < 0)
+            {
+                return end; // 结束点函数值为负，函数在结束点开始为负
             }
         }
 
@@ -138,22 +160,26 @@ namespace Global {
         return std::numeric_limits<double>::infinity();
     }
 
-    void clearExperimentData() {
+    void clearExperimentData()
+    {
         _curveExperimentDataVtr.clear();
         _currentCurveExperimentDataPtr = nullptr;
-        _currentPhase                  = -1;
+        _currentPhase = -1;
     }
 
-    bool isZero(double value, double epsilon) {
+    bool isZero(double value, double epsilon)
+    {
         return std::abs(value) < epsilon;
     }
 
-    bool isEqual(const double a, const double b) {
-        const double tolerance = 1e-5;    // 容差值，可以根据需要调整
+    bool isEqual(const double a, const double b)
+    {
+        const double tolerance = 1e-5; // 容差值，可以根据需要调整
         return std::fabs(a - b) < tolerance;
     }
 
-    QString getFileName(const QString filePath) {
+    QString getFileName(const QString filePath)
+    {
         QFileInfo fileInfo(filePath);
 
         // 获取文件的后缀名并转换为小写，方便比较
@@ -162,35 +188,37 @@ namespace Global {
         return fileInfo.fileName();
     }
 
-    double converStrToDouble(const QString str) {
-        bool   ok;
-        double value = str.toDouble(&ok);    // 将字符串转换为 double，并检查是否成功
-        if (!ok) {
+    double converStrToDouble(const QString str)
+    {
+        bool ok;
+        double value = str.toDouble(&ok); // 将字符串转换为 double，并检查是否成功
+        if (!ok)
+        {
             qDebug() << "转换失败，输入的字符串不是有效的数字";
-            return 0.0;    // 如果转换失败，返回默认值
+            return 0.0; // 如果转换失败，返回默认值
         }
         return value;
     }
-    bool isFileExist(const QString &fileName) {
+    bool isFileExist(const QString &fileName)
+    {
         return _fileList.contains(fileName);
     }
 
-    
-void updateFileList()
-{
-    _fileList.clear();
+    void updateFileList()
+    {
+        _fileList.clear();
 
-    QDir dir(SampleDataFloder);
-    _fileList.append(dir.entryList(QDir::Files));
+        QDir dir(SampleDataFloder);
+        _fileList.append(dir.entryList(QDir::Files));
 #if 0
     dir.setPath(BaseLineFolder);
     _fileList.append(dir.entryList(QDir::Files));
 #endif
-    dir.setPath(AnalysisStateFolder);
-    _fileList.append(dir.entryList(QDir::Files));
-}
+        dir.setPath(AnalysisStateFolder);
+        _fileList.append(dir.entryList(QDir::Files));
+    }
 
-}    // namespace Global
+} // namespace Global
 
 #if 0
 Global::Global()
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index c89293a..f31eec1 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -31,7 +31,8 @@ MainWindow::MainWindow(QWidget *parent)
       _coefficientSelectionForm(new CoefficientSelectionForm(this)),
       _printPreviewForm(new PrintPreviewForm(this)),
       _axisSettingForm(new AxisSettingForm(this)),
-      _manuallyStopTheExperimentFlag(false) {
+      _manuallyStopTheExperimentFlag(false)
+{
     ui->setupUi(this);
     ui->actionOITAutoAnalysisMode->setVisible(false);
     ui->toolBar->setWindowTitle("工具栏");
@@ -84,44 +85,58 @@ MainWindow::MainWindow(QWidget *parent)
     //    ui->actionStop->setEnabled(false);
 }
 
-MainWindow::~MainWindow() {
+MainWindow::~MainWindow()
+{
     delete ui;
 }
 
-void MainWindow::slotContextMenuShow(const QPoint point) {
+void MainWindow::slotContextMenuShow(const QPoint point)
+{
     _contextMenu->exec(point);
 }
 
-void MainWindow::slotUpdateStatusbarMsg(const QString msg) {
+void MainWindow::slotUpdateStatusbarMsg(const QString msg)
+{
     ui->statusbar->showMessage(msg);
 }
 
-void MainWindow::slotOITAutoAnalysis(const double x1, const double x2) {
+void MainWindow::slotOITAutoAnalysis(const double x1, const double x2)
+{
     on_actionStop_triggered();
     _centralWidget->setAnalysisMode(CentralWidget::AnalysisMode::OIT);
     _centralWidget->setVerticalLineRange(x1, x2);
 }
 
-void MainWindow::slotStartExperiment() {
+void MainWindow::slotStartExperiment()
+{
     startExperimentByDeviceInfo();
 }
 
-void MainWindow::closeEvent(QCloseEvent *event) {
+void MainWindow::closeEvent(QCloseEvent *event)
+{
     // 弹出确认对话框
     QMessageBox::StandardButton reply;
     reply = QMessageBox::question(this, "确认退出", "你确定要退出吗？",
                                   QMessageBox::Yes | QMessageBox::No);
-    if (reply == QMessageBox::Yes) {
-        event->accept();    // 接受关闭事件，关闭窗口
-    } else {
-        event->ignore();    // 忽略关闭事件，不关闭窗口
+    if (reply == QMessageBox::Yes)
+    {
+        event->accept(); // 接受关闭事件，关闭窗口
+    }
+    else
+    {
+        event->ignore(); // 忽略关闭事件，不关闭窗口
     }
 }
 
-void MainWindow::connections() {
+void MainWindow::connections()
+{
     // ui
     connect(_expertmentSettingForm, &ExperimentSettingForm::sigDeliverData,
             SerialPort::instance(), &SerialPort::slotDeliverData);
+
+    // 左侧文件管理子窗口相关函数
+    connect(_leftWidget, &LeftWidget::sigDeleteActionTriggered,
+            this, &MainWindow::slotDeleteActionTriggered);
 #if 1
     // SerialPort.
     connect(SerialPort::instance(), &SerialPort::sigSendCommonData,
@@ -172,7 +187,8 @@ void MainWindow::connections() {
             _centralWidget, &CentralWidget::slotAnalysisSettingCancel);
 
     connect(_centralWidget, &CentralWidget::sigRightDockWidgetHide,
-            [&]() { _rightWidget->hide(); });
+            [&]()
+            { _rightWidget->hide(); });
 
     connect(_degreeOfCrystallinityForm, &DegreeOfCrystallinityForm::sigDrawCustomText,
             _centralWidget, &CentralWidget::slotDrawCustomText);
@@ -196,13 +212,17 @@ void MainWindow::connections() {
             this, &MainWindow::slotOITAutoAnalysis);
 }
 
-void MainWindow::setActionEnable(const bool flag) {
-    if (flag) {
+void MainWindow::setActionEnable(const bool flag)
+{
+    if (flag)
+    {
         ui->actionNew->setEnabled(true);
         ui->actionStart->setEnabled(true);
         ui->actionStop->setEnabled(true);
         ui->actionRealTimeWidget->setEnabled(true);
-    } else {
+    }
+    else
+    {
         ui->actionNew->setEnabled(false);
         ui->actionStart->setEnabled(false);
         ui->actionStop->setEnabled(false);
@@ -210,7 +230,8 @@ void MainWindow::setActionEnable(const bool flag) {
     }
 }
 
-void MainWindow::setSubWidgetAttribute(QWidget *widget) {
+void MainWindow::setSubWidgetAttribute(QWidget *widget)
+{
     widget->setWindowModality(Qt::ApplicationModal);
     widget->setWindowFlags(Qt::Dialog);
 
@@ -262,48 +283,63 @@ bool MainWindow::saveAnalysisFile(const QString fileName)
 #endif
 
 bool MainWindow::saveFile(const QString fileName, const Global::Mode mode,
-                          QString &finalFileName, const bool autoSaveFlag) {
+                          QString &finalFileName, const bool autoSaveFlag)
+{
     logde << "save file...";
 
     QString localFileName = fileName;
-    if (fileName.isEmpty()) {
+    if (fileName.isEmpty())
+    {
         localFileName = "new";
     }
 
     QString folder;
-    if (mode == Global::Mode::None) {
+    if (mode == Global::Mode::None)
+    {
         folder = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
-    } else if (mode == Global::Mode::Analysis) {
+    }
+    else if (mode == Global::Mode::Analysis)
+    {
         folder = Global::AnalysisStateFolder;
-    } else if (mode == Global::Mode::Experiment) {
+    }
+    else if (mode == Global::Mode::Experiment)
+    {
         folder = Global::SampleDataFloder;
     }
 
     QString filePath;
-    if (autoSaveFlag) {
+    if (autoSaveFlag)
+    {
         localFileName = _leftWidget->filePathCheck(fileName, folder);
-        filePath      = folder + "/" + localFileName + ".xlsx";
-    } else {
+        filePath = folder + "/" + localFileName + ".xlsx";
+    }
+    else
+    {
         QString xlsxfilePath = folder + "/" + localFileName + ".xlsx";
-        filePath             = QFileDialog::getSaveFileName(nullptr, "Save experiment file",
-                                                            xlsxfilePath, "Excel Files (*.xlsx)");
+        filePath = QFileDialog::getSaveFileName(nullptr, "Save experiment file",
+                                                xlsxfilePath, "Excel Files (*.xlsx)");
     }
     //
     finalFileName = localFileName + ".xlsx";
 
     logde << "filePath:" << filePath.toStdString();
 
-    if (filePath.isEmpty()) {
+    if (filePath.isEmpty())
+    {
         qDebug() << "User cancel the operation.";
         return false;
     }
 
     // Save file.
-    if (mode == Global::Mode::Analysis) {
-        if (Global::_curveFileDataVtr.empty()) {
+    if (mode == Global::Mode::Analysis)
+    {
+        if (Global::_curveFileDataVtr.empty())
+        {
             // 分析模式下，但是文件数据为空，说明做完实验没有保存数据。
             XlsxHandler::writeExperimentFile(filePath);
-        } else {
+        }
+        else
+        {
             // 分析模式下，存在文件数据，将文件数据写入文件。
             XlsxHandler::writeXlsxFile(filePath);
 #if 0
@@ -316,57 +352,72 @@ bool MainWindow::saveFile(const QString fileName, const Global::Mode mode,
             }
 #endif
         }
-    } else if (mode == Global::Mode::Experiment) {
+    }
+    else if (mode == Global::Mode::Experiment)
+    {
         XlsxHandler::writeExperimentFile(filePath);
     }
 
     return true;
 }
 
-void MainWindow::smoothness(const int level) {
+void MainWindow::smoothness(const int level)
+{
     logde << "smoothness...";
     slotUpdateStatusbarMsg("数据平滑计算中...");
 
-    if (!Global::_curveExperimentDataVtr.empty()) {
+    if (!Global::_curveExperimentDataVtr.empty())
+    {
         // 当前数据为实验数据时，需要把所有的当前实验数据都进行平滑处理。
 
         // 删除所有objectName为experiment的curve.
         _centralWidget->deleteCurveByObjectName(Global::ObjectNameExperiemnt);
         // 添加所有平滑后的curve.
-        for (auto &item : Global::_curveExperimentDataVtr) {
+        for (auto &item : Global::_curveExperimentDataVtr)
+        {
             item.smoothDataVtr = smoothnessDetail(level, item.dataVtr);
-            item.curve         = _centralWidget->addCurveData(item.smoothDataVtr,
-                                                              Global::ObjectNameExperiemnt);
+            item.curve = _centralWidget->addCurveData(item.smoothDataVtr,
+                                                      Global::ObjectNameExperiemnt);
         }
-    } else {
+    }
+    else
+    {
         // 当前数据为文件分析数据时，需要把当前文件下的所有数据都进行平滑处理。
         QString selectedCurveObjectName = _centralWidget->getCurrentCurve()->objectName();
         _centralWidget->deleteCurveByObjectName(selectedCurveObjectName);
 
-        for (Global::CurveFileData &cfd : Global::_curveFileDataVtr) {
-            if (selectedCurveObjectName.contains(cfd.filePath)) {
-                for (Global::PhaseTotalInfo &pti : cfd.phaseTotalVtr) {
+        for (Global::CurveFileData &cfd : Global::_curveFileDataVtr)
+        {
+            if (selectedCurveObjectName.contains(cfd.filePath))
+            {
+                for (Global::PhaseTotalInfo &pti : cfd.phaseTotalVtr)
+                {
                     pti.smoothDataVtr = smoothnessDetail(level, pti.dataVtr);
-                    pti.curve         = _centralWidget->addCurveData(pti.smoothDataVtr,
-                                                                     cfd.filePath);
+                    pti.curve = _centralWidget->addCurveData(pti.smoothDataVtr,
+                                                             cfd.filePath);
                 }
             }
         }
     }
 }
 
-QVector<Global::ExperimentData> MainWindow::smoothnessDetail(const int level, const QVector<Global::ExperimentData> &dataVtr) {
+QVector<Global::ExperimentData> MainWindow::smoothnessDetail(const int level, const QVector<Global::ExperimentData> &dataVtr)
+{
     Lowess::Config config;
-    config.smoothingFactor      = level * 0.01;
+    config.smoothingFactor = level * 0.01;
     config.robustnessIterations = 3;
 
     std::vector<double> x;
     std::vector<double> y;
 
-    for (const Global::ExperimentData &ed : dataVtr) {
-        if (Global::_axisMode == Global::AxisMode::SingleY) {
+    for (const Global::ExperimentData &ed : dataVtr)
+    {
+        if (Global::_axisMode == Global::AxisMode::SingleY)
+        {
             x.push_back(ed.sampleTemp);
-        } else {
+        }
+        else
+        {
             x.push_back(ed.runTime);
         }
 
@@ -385,7 +436,8 @@ QVector<Global::ExperimentData> MainWindow::smoothnessDetail(const int level, co
     ui->statusbar->showMessage("数据平滑计算中...");
 
     std::vector<double> yest = Lowess::smooth(x, y, config);
-    if (yest.empty()) {
+    if (yest.empty())
+    {
         slotUpdateStatusbarMsg("数据平滑完成.");
         return resultVtr;
     }
@@ -396,17 +448,21 @@ QVector<Global::ExperimentData> MainWindow::smoothnessDetail(const int level, co
 
     // result data vector.
 
-    for (int i = 0; i < x.size(); i++) {
+    for (int i = 0; i < x.size(); i++)
+    {
         Global::ExperimentData ed;
-        if (Global::_axisMode == Global::AxisMode::SingleY) {
+        if (Global::_axisMode == Global::AxisMode::SingleY)
+        {
             ed.sampleTemp = x.at(i);
-            ed.runTime    = dataVtr.at(i).runTime;
-        } else {
-            ed.runTime    = x.at(i);
+            ed.runTime = dataVtr.at(i).runTime;
+        }
+        else
+        {
+            ed.runTime = x.at(i);
             ed.sampleTemp = dataVtr.at(i).sampleTemp;
         }
 
-        ed.dsc              = yest.at(i);
+        ed.dsc = yest.at(i);
         ed.constantTempTime = dataVtr.at(i).constantTempTime;
 
         resultVtr.push_back(ed);
@@ -415,7 +471,8 @@ QVector<Global::ExperimentData> MainWindow::smoothnessDetail(const int level, co
     return resultVtr;
 }
 
-void MainWindow::smoothnessExperimentData(const int level) {
+void MainWindow::smoothnessExperimentData(const int level)
+{
 #if 0
     for(int i = 0;i < Global::_curveExperimentDataVtr.size();i++){
         Global::CurveExperimentData ced = Global::_curveExperimentDataVtr.at(i);
@@ -423,19 +480,21 @@ void MainWindow::smoothnessExperimentData(const int level) {
     }
 #endif
 
-    for (auto &item : Global::_curveExperimentDataVtr) {
+    for (auto &item : Global::_curveExperimentDataVtr)
+    {
         smoothnessDetail(level, item.dataVtr);
     }
 }
 
-void MainWindow::startExperiment() {
+void MainWindow::startExperiment()
+{
     QByteArray ba = DataParser::setDeviceStartStop(DeviceStartMode::Start);
 
     QString hexData = ba.toHex(' ');
 
     SerialPort::instance()->slotSendData(ba);
 
-    Global::_mode                  = Global::Mode::Experiment;
+    Global::_mode = Global::Mode::Experiment;
     _manuallyStopTheExperimentFlag = false;
     _centralWidget->startExperiment();
 
@@ -445,8 +504,9 @@ void MainWindow::startExperiment() {
     ui->menu_4->menuAction()->setEnabled(false);
 }
 
-void MainWindow::startExperimentByDeviceInfo() {
-    Global::_mode                  = Global::Mode::Experiment;
+void MainWindow::startExperimentByDeviceInfo()
+{
+    Global::_mode = Global::Mode::Experiment;
     _manuallyStopTheExperimentFlag = false;
     _centralWidget->startExperiment();
 
@@ -454,15 +514,18 @@ void MainWindow::startExperimentByDeviceInfo() {
     Global::clearExperimentData();
 }
 // 停止实验
-void MainWindow::on_actionStop_triggered() {
+void MainWindow::on_actionStop_triggered()
+{
     logde << " Stop experiment ...++++++++++++++++++";
 
-    if (!SerialPort::instance()->isOpen()) {
+    if (!SerialPort::instance()->isOpen())
+    {
         showMesgBox("设备未连接，请先连接设备。");
         return;
     }
 
-    if (Global::_mode == Global::Mode::Experiment) {
+    if (Global::_mode == Global::Mode::Experiment)
+    {
         QByteArray ba = DataParser::setDeviceStartStop(DeviceStartMode::Stop);
         SerialPort::instance()->slotSendData(ba);
 
@@ -477,7 +540,8 @@ void MainWindow::on_actionStop_triggered() {
         logde << "on_actionStop_triggered saveFile ...";
 
         QString finalFileName;
-        if (saveFile(Global::_experimentInfo.sampleName, Global::Mode::Experiment, finalFileName, true)) {
+        if (saveFile(Global::_experimentInfo.sampleName, Global::Mode::Experiment, finalFileName, true))
+        {
             _leftWidget->reloadFileName();
 
             QString str = QString("%1 文件保存成功。").arg(finalFileName);
@@ -492,19 +556,23 @@ void MainWindow::on_actionStop_triggered() {
     ui->menu_4->menuAction()->setEnabled(true);
 }
 
-void MainWindow::on_actionNew_triggered() {
-    if (!SerialPort::instance()->isOpen()) {
+void MainWindow::on_actionNew_triggered()
+{
+    if (!SerialPort::instance()->isOpen())
+    {
         showMesgBox("设备未连接，请先连接设备。");
         return;
     }
     _expertmentSettingForm->show();
 }
 
-void MainWindow::on_actionStart_triggered() {
+void MainWindow::on_actionStart_triggered()
+{
     logde << "start experiment,set soft into experiment mode.";
     logde << "```````````````````````````````";
 
-    if (!SerialPort::instance()->isOpen()) {
+    if (!SerialPort::instance()->isOpen())
+    {
         showMesgBox("设备未连接，请先连接设备。");
         return;
     }
@@ -514,19 +582,23 @@ void MainWindow::on_actionStart_triggered() {
     startExperiment();
 }
 
-void MainWindow::on_actionReadOnly_triggered() {
+void MainWindow::on_actionReadOnly_triggered()
+{
     Global::_mode = Global::Mode::Experiment;
     SerialPort::instance()->openSp();
 }
 
-void MainWindow::on_actionRealTimeWidget_triggered() {
+void MainWindow::on_actionRealTimeWidget_triggered()
+{
     _realTimeDataForm->show();
 }
 
-void MainWindow::slotSaveExperimentalDataMsgBox() {
+void MainWindow::slotSaveExperimentalDataMsgBox()
+{
     logde << "_manuallyStopTheExperimentFlag:" << _manuallyStopTheExperimentFlag;
 
-    if (_manuallyStopTheExperimentFlag) {
+    if (_manuallyStopTheExperimentFlag)
+    {
         logde << "_manuallyStopTheExperimentFlag...";
         return;
     }
@@ -537,7 +609,8 @@ void MainWindow::slotSaveExperimentalDataMsgBox() {
     if (saveFile(Global::_experimentInfo.sampleName,
                  Global::Mode::Experiment,
                  finalFileName,
-                 true)) {
+                 true))
+    {
         _leftWidget->reloadFileName();
 
         QString str = QString("%1 文件保存成功。").arg(finalFileName);
@@ -564,10 +637,12 @@ void MainWindow::slotSaveExperimentalDataMsgBox() {
 #endif
 }
 
-void MainWindow::on_actionConnectToDev_triggered() {
+void MainWindow::on_actionConnectToDev_triggered()
+{
     logde << "connect to device...";
 
-    if (SerialPort::instance()->isOpen()) {
+    if (SerialPort::instance()->isOpen())
+    {
         logde << "close device.";
 
         SerialPort::instance()->closeSp();
@@ -580,10 +655,13 @@ void MainWindow::on_actionConnectToDev_triggered() {
         QString str("设备已断开。");
         slotUpdateStatusbarMsg(str);
         showMesgBox(str);
-    } else {
+    }
+    else
+    {
         logde << "open device.";
 
-        if (SerialPort::instance()->openSp()) {
+        if (SerialPort::instance()->openSp())
+        {
             setActionEnable(true);
             //        Global::instance()->setMode(Global::Mode::ConnectedToDev);
             Global::_mode = Global::Mode::ConnectedToDev;
@@ -600,38 +678,46 @@ void MainWindow::on_actionConnectToDev_triggered() {
             showMesgBox(str);
 
             logde << "open serial port success. ";
-        } else {
+        }
+        else
+        {
             //            QMessageBox::warning(this, "warnning", "Serial Port open failed.");
             showMesgBox("设备打开失败。");
         }
     }
 }
 
-void MainWindow::on_actionStartPoint_triggered() {
+void MainWindow::on_actionStartPoint_triggered()
+{
     logde << "start experiment...";
 
     _rightWidget->show();
     _centralWidget->setAnalysisMode(CentralWidget::AnalysisMode::StartPoint);
 }
 
-void MainWindow::on_actionStopPoint_triggered() {
+void MainWindow::on_actionStopPoint_triggered()
+{
     _rightWidget->show();
     _centralWidget->setAnalysisMode(CentralWidget::AnalysisMode::StopPoint);
 }
 
-void MainWindow::on_actionNumericalLabel_triggered() {
+void MainWindow::on_actionNumericalLabel_triggered()
+{
     _rightWidget->show();
     _centralWidget->setAnalysisMode(CentralWidget::AnalysisMode::NumericalLabel);
 }
 
-void MainWindow::on_actionPeakSynthesisAnalysis_triggered() {
+void MainWindow::on_actionPeakSynthesisAnalysis_triggered()
+{
     _rightWidget->show();
     _centralWidget->setAnalysisMode(CentralWidget::AnalysisMode::PeakSynthesisAnalysis);
 }
 
-void MainWindow::on_actionClearAllData_triggered() {
+void MainWindow::on_actionClearAllData_triggered()
+{
     // 实验过程中，不允许清除数据。
-    if (Global::_mode == Global::Mode::Experiment) {
+    if (Global::_mode == Global::Mode::Experiment)
+    {
         return;
     }
 
@@ -641,62 +727,75 @@ void MainWindow::on_actionClearAllData_triggered() {
     _centralWidget->clearAllData();
 }
 
-void MainWindow::on_actionGlassTransition_triggered() {
+void MainWindow::on_actionGlassTransition_triggered()
+{
     _rightWidget->show();
     _centralWidget->setAnalysisMode(CentralWidget::AnalysisMode::GlassTransition);
 }
 
-void MainWindow::on_actionOIT_triggered() {
+void MainWindow::on_actionOIT_triggered()
+{
     _rightWidget->show();
     _centralWidget->setAnalysisMode(CentralWidget::AnalysisMode::OIT);
 }
 
-void MainWindow::on_actionSpecificHeatCompMethod_triggered() {
+void MainWindow::on_actionSpecificHeatCompMethod_triggered()
+{
     _specificHeatComparisonMethodForm->show();
 }
 
-void MainWindow::on_actionDegreeOfCrystallinity_triggered() {
+void MainWindow::on_actionDegreeOfCrystallinity_triggered()
+{
     //    QMessageBox::warning(this, "warnning", "结晶度.");
     _degreeOfCrystallinityForm->show();
 }
 
-void MainWindow::on_actionInstrumentParameter_triggered() {
+void MainWindow::on_actionInstrumentParameter_triggered()
+{
     _instrumentCoefficientForm->show();
 }
 
-
-void MainWindow::on_actionOITAutoAnalysisParam_triggered() {
+void MainWindow::on_actionOITAutoAnalysisParam_triggered()
+{
     _OITAutoAnalysisParamForm->show();
 }
 
-void MainWindow::on_actionOITAutoAnalysisMode_triggered() {
+void MainWindow::on_actionOITAutoAnalysisMode_triggered()
+{
 }
 
-void MainWindow::on_actionTimeAxisAnalysisPCTMode_triggered() {
+void MainWindow::on_actionTimeAxisAnalysisPCTMode_triggered()
+{
     Global::_displayTimeValue = ui->actionTimeAxisAnalysisPCTMode->isChecked();
 }
 
-void MainWindow::on_actionDegreeOfCuring_triggered() {
+void MainWindow::on_actionDegreeOfCuring_triggered()
+{
     //
     _degreeOfCureForm->show();
 }
 
-void MainWindow::on_actionAbout_triggered() {
+void MainWindow::on_actionAbout_triggered()
+{
     _aboutForm->show();
 }
 
-void MainWindow::on_actionEnthalpyCorrectionEdit_triggered() {
+void MainWindow::on_actionEnthalpyCorrectionEdit_triggered()
+{
     _enthalpyDataCorrectionForm->show();
 }
 
-void MainWindow::on_actionEnthalpyCorrectionSelection_triggered() {
+void MainWindow::on_actionEnthalpyCorrectionSelection_triggered()
+{
     _coefficientSelectionForm->show();
 }
 
-void MainWindow::on_actionPrintPreview_triggered() {
+void MainWindow::on_actionPrintPreview_triggered()
+{
     logde << "print preview...";
 
-    if (Global::_curveFileDataVtr.empty()) {
+    if (Global::_curveFileDataVtr.empty())
+    {
         showMesgBox("请先打开数据。");
         return;
     }
@@ -706,103 +805,132 @@ void MainWindow::on_actionPrintPreview_triggered() {
     //    _printPreviewForm->setOrientation();
 
     _printPreviewForm->_customPrintPreviewDialog->exec();
-    _printPreviewForm->_customPrintPreviewDialog->update();    // 可选，强制刷新
+    _printPreviewForm->_customPrintPreviewDialog->update(); // 可选，强制刷新
 }
 
-void MainWindow::on_actionOnsetTemperaturePoint_triggered() {
+void MainWindow::on_actionOnsetTemperaturePoint_triggered()
+{
     _rightWidget->show();
     _centralWidget->setAnalysisMode(CentralWidget::AnalysisMode::OnsetTemperaturePoint);
 }
 
-void MainWindow::on_actionEndsetTemperaturePoint_triggered() {
+void MainWindow::on_actionEndsetTemperaturePoint_triggered()
+{
     _rightWidget->show();
     _centralWidget->setAnalysisMode(CentralWidget::AnalysisMode::EndsetTemperaturePoint);
 }
 
-void MainWindow::on_actionYAxis_triggered() {
+void MainWindow::on_actionYAxis_triggered()
+{
     _centralWidget->switchAxisMode();
 }
 
-void MainWindow::on_actionAxisSetting_triggered() {
+void MainWindow::on_actionAxisSetting_triggered()
+{
     _axisSettingForm->show();
 }
 
-void MainWindow::on_actionSaveData_triggered() {
+void MainWindow::on_actionSaveData_triggered()
+{
     QString finaleFileName;
     saveFile(Global::_experimentInfo.sampleName, Global::_mode, finaleFileName);
     _leftWidget->reloadFileName();
 }
 
-void MainWindow::on_actionSaveas_triggered() {
+void MainWindow::on_actionSaveas_triggered()
+{
     QString finaleFileName;
     saveFile(Global::_experimentInfo.sampleName, Global::Mode::None, finaleFileName);
     _leftWidget->reloadFileName();
 }
 
-void MainWindow::on_actionLanguage_triggered() {
-    if (Global::_languageType == Global::LanguageType::Chinese) {
+void MainWindow::on_actionLanguage_triggered()
+{
+    if (Global::_languageType == Global::LanguageType::Chinese)
+    {
         Global::_languageType = Global::LanguageType::English;
         ui->actionLanguage->setText(Global::EnglishStr);
-    } else {
+    }
+    else
+    {
         Global::_languageType = Global::LanguageType::Chinese;
         ui->actionLanguage->setText(Global::ChineseStr);
     }
 }
 
-void MainWindow::on_actionSmoothness1_triggered() {
+void MainWindow::on_actionSmoothness1_triggered()
+{
     smoothness(1);
 }
 
-void MainWindow::on_actionSmoothness2_triggered() {
+void MainWindow::on_actionSmoothness2_triggered()
+{
     smoothness(2);
 }
-void MainWindow::on_actionSmoothness3_triggered() {
+void MainWindow::on_actionSmoothness3_triggered()
+{
     smoothness(3);
 }
-void MainWindow::on_actionSmoothness4_triggered() {
+void MainWindow::on_actionSmoothness4_triggered()
+{
     smoothness(4);
 }
-void MainWindow::on_actionSmoothness5_triggered() {
+void MainWindow::on_actionSmoothness5_triggered()
+{
     smoothness(5);
 }
-void MainWindow::on_actionSmoothness6_triggered() {
+void MainWindow::on_actionSmoothness6_triggered()
+{
     smoothness(6);
 }
-void MainWindow::on_actionSmoothness7_triggered() {
+void MainWindow::on_actionSmoothness7_triggered()
+{
     smoothness(7);
 }
-void MainWindow::on_actionSmoothness8_triggered() {
+void MainWindow::on_actionSmoothness8_triggered()
+{
     smoothness(8);
 }
-void MainWindow::on_actionSmoothness9_triggered() {
+void MainWindow::on_actionSmoothness9_triggered()
+{
     smoothness(9);
 }
-void MainWindow::on_actionSmoothness10_triggered() {
+void MainWindow::on_actionSmoothness10_triggered()
+{
     smoothness(10);
 }
 
 // 原始数据
-void MainWindow::on_actionOriginalData_triggered() {
-    if (!Global::_curveExperimentDataVtr.empty()) {
+void MainWindow::on_actionOriginalData_triggered()
+{
+    if (!Global::_curveExperimentDataVtr.empty())
+    {
         // 删除所有objectName为experiment的curve.
         _centralWidget->deleteCurveByObjectName(Global::ObjectNameExperiemnt);
 
-        for (auto &item : Global::_curveExperimentDataVtr) {
+        for (auto &item : Global::_curveExperimentDataVtr)
+        {
             item.smoothDataVtr.clear();
             item.curve = _centralWidget->addCurveData(item.dataVtr, Global::ObjectNameExperiemnt);
         }
-    } else {
+    }
+    else
+    {
         // 当前数据为文件分析数据时，需要把当前文件下的所有数据都进行平滑处理。
-        if(_centralWidget->getCurrentCurve() == nullptr){
+        if (_centralWidget->getCurrentCurve() == nullptr)
+        {
             return;
         }
 
         QString selectedCurveObjectName = _centralWidget->getCurrentCurve()->objectName();
         _centralWidget->deleteCurveByObjectName(selectedCurveObjectName);
 
-        for (Global::CurveFileData &cfd : Global::_curveFileDataVtr) {
-            if (selectedCurveObjectName.contains(cfd.filePath)) {
-                for (Global::PhaseTotalInfo &pti : cfd.phaseTotalVtr) {
+        for (Global::CurveFileData &cfd : Global::_curveFileDataVtr)
+        {
+            if (selectedCurveObjectName.contains(cfd.filePath))
+            {
+                for (Global::PhaseTotalInfo &pti : cfd.phaseTotalVtr)
+                {
                     pti.smoothDataVtr.clear();
                     pti.curve = _centralWidget->addCurveData(pti.dataVtr,
                                                              cfd.filePath);
@@ -847,19 +975,23 @@ void MainWindow::on_actionOriginalData_triggered() {
 #endif
 }
 
-void MainWindow::showMesgBox(const QString str) {
+void MainWindow::showMesgBox(const QString str)
+{
     static bool isShow = false;
-    if (!isShow) {
+    if (!isShow)
+    {
         isShow = true;
         QMessageBox::information(this, "提示", str);
         isShow = false;
     }
 }
 
-void MainWindow::slotDeviceDisconnected() {
+void MainWindow::slotDeviceDisconnected()
+{
     //   logde<<"slotDeviceDisconnected...1";
     // 如果当前是实验模式时，需要先停止实验。
-    if (SerialPort::instance()->isOpen()) {
+    if (SerialPort::instance()->isOpen())
+    {
         //      logde<<"slotDeviceDisconnected...2";
         // ui更新，断开连接
         ui->actionConnectToDev->setIcon(QIcon(":/images/connect.png"));
@@ -870,3 +1002,17 @@ void MainWindow::slotDeviceDisconnected() {
         SerialPort::instance()->closeSp();
     }
 }
+
+void MainWindow::slotDeleteActionTriggered(const QString &filePath)
+{
+    logde<<"slotDeleteActionTriggered...1:"<<filePath.toStdString();
+
+    int ret = QMessageBox::question(this,
+                                    tr("请确认"),
+                                    tr("确定要删除文件“%1”吗？").arg(filePath),
+                                    QMessageBox::Ok | QMessageBox::Cancel,
+                                    QMessageBox::Ok);
+
+    _leftWidget->confirmDelete(ret == QMessageBox::Ok ? true : false);
+}
+
diff --git a/src/mainwindow.h b/src/mainwindow.h
index 57ec3ad..274a02d 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -45,6 +45,9 @@ public slots:
     void slotStartExperiment();
 
     void slotDeviceDisconnected();
+
+    // 左侧文件管理子窗口操作函数
+    void slotDeleteActionTriggered(const QString&);
 protected:
     void closeEvent(QCloseEvent *event) override;
 private slots:
@@ -52,6 +55,7 @@ private slots:
     void on_actionConnectToDev_triggered();
     void on_actionNew_triggered();
     void on_actionStart_triggered();
+
     // 停止实验
     void on_actionStop_triggered();
     void on_actionReadOnly_triggered();
diff --git a/src/ui/leftwidget.cpp b/src/ui/leftwidget.cpp
index 863f877..787d248 100644
--- a/src/ui/leftwidget.cpp
+++ b/src/ui/leftwidget.cpp
@@ -1,63 +1,59 @@
-#include <qdir.h>
-#include <qdebug.h>
+#include <QDir>
+#include <QDebug>
 #include <QHBoxLayout>
+#include <QStyle>
+#include <QFileInfo>
+#include <QTreeWidgetItemIterator>
+#include <QTreeWidget>
+#include <QTreeWidgetItem>
+#include <QDirIterator>
+#include <QMenu>
+#include <QAction>
+#include <QMessageBox>
+#include <QInputDialog>
 
 #include "leftwidget.h"
 #include "filemanager.h"
 #include "global.h"
+#include "logger.h"
 
-LeftWidget::LeftWidget(QWidget *parent) : QDockWidget(parent) {
+LeftWidget::LeftWidget(QWidget *parent) : QDockWidget(parent)
+{
     setWindowTitle("文件浏览");
 
     _treeWidget = new QTreeWidget();
     _treeWidget->setHeaderHidden(true);
-
-    _sampleDataItem = new QTreeWidgetItem(_treeWidget);
-    _sampleDataItem->setText(0, "样品数据");
-#if 0
-    _baseLineItem = new QTreeWidgetItem(_treeWidget);
-    _baseLineItem->setText(0,"基线");
-#endif
-    _analysisStateItem = new QTreeWidgetItem(_treeWidget);
-    _analysisStateItem->setText(0, "分析状态");
-
     _treeWidget->setSortingEnabled(false);
 
-    _treeWidget->insertTopLevelItem(0, _sampleDataItem);
-    //    _treeWidget->insertTopLevelItem(1, _baseLineItem);
-    _treeWidget->insertTopLevelItem(2, _analysisStateItem);
-
     setWidget(_treeWidget);
 
-    // init file name.
-    initFileName(_sampleDataItem, Global::SampleDataFloder);
-#if 0
-    initFileName(_baseLineItem,Global::BaseLineFolder);
-#endif
-    initFileName(_analysisStateItem, Global::AnalysisStateFolder);
-
-    expandAll(_sampleDataItem);
-    //    expandAll(_baseLineItem);
-    expandAll(_analysisStateItem);
-
-    Global::updateFileList();
-
+    // 初始化文件树
+    reloadFileTree();
 
     // connections
     connect(_treeWidget, &QTreeWidget::itemDoubleClicked,
             this, &LeftWidget::slotTreeWidgetItemClicked);
 
     // 右键菜单
-    _contextMenu  = new QMenu(_treeWidget);
-    _deleteAction = new QAction("删除", this);
-    _contextMenu->addAction(_deleteAction);
+    _contextMenu = new QMenu(_treeWidget);
+    _deleteFileAction = new QAction("删除文件", this);
+    _createFolderAction = new QAction("新建文件夹", this);
+    _contextMenu->addAction(_deleteFileAction);
+    _contextMenu->addAction(_createFolderAction);
 
     _treeWidget->setContextMenuPolicy(Qt::CustomContextMenu);
+
     connect(_treeWidget, &QTreeWidget::customContextMenuRequested,
             this, &LeftWidget::slotShowContextMenu);
+
+    connect(_deleteFileAction, &QAction::triggered,
+            this, &LeftWidget::slotDeleteActionTriggered);
+    connect(_createFolderAction, &QAction::triggered,
+            this, &LeftWidget::slotCreateFolderActionTriggered);
 }
 
-void LeftWidget::reloadFileName() {
+void LeftWidget::reloadFileName()
+{
     clearAllChildItems(_sampleDataItem);
     // clearAllChildItems(_baseLineItem);
     clearAllChildItems(_analysisStateItem);
@@ -66,21 +62,25 @@ void LeftWidget::reloadFileName() {
 #if 0
     initFileName(_baseLineItem,Global::BaseLineFolder);
 #endif
+
     initFileName(_analysisStateItem, Global::AnalysisStateFolder);
     // 更新文件列表
     Global::updateFileList();
 }
 
-QString LeftWidget::filePathCheck(const QString fileName, const QString folderPath) {
+QString LeftWidget::filePathCheck(const QString fileName, const QString folderPath)
+{
     QString resultFileName = fileName;
 
-    QDir        dir(folderPath);
+    QDir dir(folderPath);
     QStringList files = dir.entryList(QDir::Files);
-    for (const QString &existedFileName : files) {
+    for (const QString &existedFileName : files)
+    {
         QFileInfo fileInfo(existedFileName);
-        if (fileName == fileInfo.baseName()) {
+        if (fileName == fileInfo.baseName())
+        {
             QDateTime currentDateTime = QDateTime::currentDateTime();
-            QString   formattedTime   = currentDateTime.toString("yyyy_MM_dd_HH_mm_ss");
+            QString formattedTime = currentDateTime.toString("yyyy_MM_dd_HH_mm_ss");
 
             resultFileName = fileName + QString("_") + formattedTime;
             break;
@@ -90,70 +90,89 @@ QString LeftWidget::filePathCheck(const QString fileName, const QString folderPa
     return resultFileName;
 }
 
-void LeftWidget::initData() {
+void LeftWidget::initData()
+{
     //    const QString folderPath = QDir::currentPath()+"/../experiment_data";
     const QString folderPath = Global::SampleDataFloder;
 #if 1
     QDir dir(folderPath);
-    if (!dir.exists()) {
+    if (!dir.exists())
+    {
         qWarning() << "文件夹不存在: " << folderPath;
         return;
     }
 
     // 遍历文件
     QFileInfoList fileList = dir.entryInfoList(QDir::Files | QDir::NoDotAndDotDot);
-    for (const QFileInfo &fileInfo : fileList) {
+    for (const QFileInfo &fileInfo : fileList)
+    {
         QFile file(fileInfo.absoluteFilePath());
-        if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        if (file.open(QIODevice::ReadOnly | QIODevice::Text))
+        {
             QString content = file.readAll();
             qDebug() << "读取文件 " << fileInfo.absoluteFilePath() << " 内容: " << content;
             file.close();
             // 写入文件操作示例：这里简单在文件末尾追加一行内容
-            if (file.open(QIODevice::Append | QIODevice::Text)) {
+            if (file.open(QIODevice::Append | QIODevice::Text))
+            {
                 file.write("\n这是通过递归写入添加的内容");
                 qDebug() << "已向文件 " << fileInfo.absoluteFilePath() << " 写入内容";
                 file.close();
-            } else {
+            }
+            else
+            {
                 qWarning() << "无法打开文件进行写入: " << fileInfo.absoluteFilePath();
             }
-        } else {
+        }
+        else
+        {
             qWarning() << "无法打开文件进行读取: " << fileInfo.absoluteFilePath();
         }
     }
 #endif
 }
-void LeftWidget::slotTreeWidgetItemClicked(QTreeWidgetItem *item, int column) {
+void LeftWidget::slotTreeWidgetItemClicked(QTreeWidgetItem *item, int column)
+{
     qDebug() << "item clicked:" << item->text(0) << column;
 
-    if (Global::Mode::Analysis != Global::_mode) {
+    if (Global::Mode::Analysis != Global::_mode)
+    {
         return;
     }
 
-    QString fileName;
-    // 获取父节点
-    QTreeWidgetItem *parentItem = item->parent();
-    if (parentItem) {
-        qDebug() << "parent item text:" << parentItem->text(0);
-        if (parentItem == _sampleDataItem) {
-            fileName = Global::SampleDataFloder + "/" + item->text(0);
-#if 0
-        }else if(parentItem == _baseLineItem){
-            fileName =Global::BaseLineFolder +  "/" +item->text(0);
-#endif
-        } else if (parentItem == _analysisStateItem) {
-            fileName = Global::AnalysisStateFolder + "/" + item->text(0);
-        }
-    } else {
-        qDebug() << "item has no parent (it is a top-level item)";
+    // 检查是否是文件项（有用户数据）
+    QVariant userData = item->data(0, Qt::UserRole);
+    if (userData.isNull() || !userData.isValid())
+    {
+        qDebug() << "点击的是目录项或无效项";
         return;
     }
 
-    emit sigSendAnalysisFileName(fileName);
+    QString filePath = userData.toString();
+    if (filePath.isEmpty())
+    {
+        qDebug() << "文件路径为空";
+        return;
+    }
+
+    // 检查文件是否存在
+    QFileInfo fileInfo(filePath);
+    if (!fileInfo.exists())
+    {
+        qWarning() << "文件不存在: " << filePath;
+        return;
+    }
+
+    // 发送文件路径信号
+    emit sigSendAnalysisFileName(filePath);
 }
-void LeftWidget::initFileName(QTreeWidgetItem *parentItem, const QString &folderPath) {
-    QDir        dir(folderPath);
+
+void LeftWidget::initFileName(QTreeWidgetItem *parentItem, const QString &folderPath)
+{
+    QDir dir(folderPath);
     QStringList files = dir.entryList(QDir::Files);
-    for (const QString &fileName : files) {
+    for (const QString &fileName : files)
+    {
         QTreeWidgetItem *subItem = new QTreeWidgetItem();
         subItem->setText(0, fileName);
         subItem->setData(0, Qt::UserRole, QVariant::fromValue(folderPath + "/" + fileName));
@@ -161,22 +180,25 @@ void LeftWidget::initFileName(QTreeWidgetItem *parentItem, const QString &folder
     }
 }
 
-void LeftWidget::expandAll(QTreeWidgetItem *item) {
+void LeftWidget::expandAll(QTreeWidgetItem *item)
+{
     item->setExpanded(true);
-    for (int i = 0; i < item->childCount(); ++i) {
+    for (int i = 0; i < item->childCount(); ++i)
+    {
         expandAll(item->child(i));
     }
 }
 
-void LeftWidget::clearAllChildItems(QTreeWidgetItem *parentItem) {
+void LeftWidget::clearAllChildItems(QTreeWidgetItem *parentItem)
+{
     int childCount = parentItem->childCount();
-    for (int i = 0; i < childCount; ++i) {
+    for (int i = 0; i < childCount; ++i)
+    {
         QTreeWidgetItem *childItem = parentItem->takeChild(0);
         delete childItem;
     }
 }
 
-
 #if 0
 void LeftWidget::recursiveFolderOperation(const QString& folderPath) {
     QDir dir(folderPath);
@@ -215,26 +237,334 @@ void LeftWidget::recursiveFolderOperation(const QString& folderPath) {
 }
 #endif
 
-void LeftWidget::slotShowContextMenu(const QPoint &pos) {
-    QPoint globalPos = _treeWidget->mapToGlobal(pos);
-    _contextMenu->exec(globalPos);
-
-    // 获取当前选中的项
-    QTreeWidgetItem *currentItem = _treeWidget->itemAt(pos);
-    if (currentItem == nullptr) {
-        return;
+void LeftWidget::slotShowContextMenu(const QPoint &pos)
+{
+    QTreeWidgetItem *item = _treeWidget->itemAt(pos);
+    if (item) {
+        // 获取文件路径
+        QString filePath = item->data(0, Qt::UserRole).toString();
+        QString dirPath = item->data(0, Qt::UserRole + 1).toString();
+        
+        // 如果是文件
+        if (!filePath.isEmpty()) {
+            _deleteFileActionFilePath = filePath;
+            _deleteFileAction->setVisible(true);
+            _deleteFileAction->setText(tr("删除文件"));
+        } 
+        // 如果是目录
+        else if (!dirPath.isEmpty()) {
+            // 暂时不要删除文件件功能
+            _deleteFileAction->setVisible(false);
+            #if 0
+            _deleteFileAction->setVisible(true);
+            _deleteFileActionFilePath = dirPath;
+            _deleteFileAction->setText(tr("删除文件夹"));
+            #endif
+        } else {
+            _deleteFileAction->setVisible(false);
+        }
+        
+        // 只有当点击的是目录时才显示"新建文件夹"选项
+        bool isDir = !dirPath.isEmpty();
+        _createFolderAction->setVisible(isDir);
+        
+        _contextMenu->exec(_treeWidget->mapToGlobal(pos));
     }
-
-    QString filePath = currentItem->data(0, Qt::UserRole).toString();
-    if (filePath.isEmpty()) {
-        return;
-    }
-    // qDebug() << "file:" << filePath;
-    if (QFile::remove(filePath)) {
-        qDebug() << "文件删除成功:" << filePath;
-    } else {
-        qWarning() << "文件删除失败:" << filePath;
-    }
-
-    reloadFileName();
+}
+
+void LeftWidget::slotDeleteActionTriggered()
+{
+    if (_deleteFileActionFilePath.isEmpty()) {
+        return;
+    }
+    
+    QFileInfo fileInfo(_deleteFileActionFilePath);
+    bool isDir = fileInfo.isDir();
+    
+    // 检查文件/目录是否存在
+    if (!fileInfo.exists()) {
+        QMessageBox::warning(this, tr("警告"), tr("文件/目录不存在!"));
+        return;
+    }
+    
+    // 确认删除对话框
+    int ret = QMessageBox::question(this, tr("确认删除"), 
+                                   tr("确定要删除%1\n%2?").arg(isDir ? tr("文件夹及其所有内容") : tr("文件")).arg(_deleteFileActionFilePath),
+                                   QMessageBox::Yes | QMessageBox::No, 
+                                   QMessageBox::No);
+    
+    if (ret == QMessageBox::Yes) {
+        bool success;
+        if (isDir) {
+            // 删除目录及其内容
+            success = removeDir(_deleteFileActionFilePath);
+        } else {
+            // 删除文件
+            success = QFile::remove(_deleteFileActionFilePath);
+        }
+        
+        if (success) {
+            // 重新加载文件树
+            reloadFileTree();
+        } else {
+            QMessageBox::critical(this, tr("错误"), tr("删除失败!"));
+        }
+    }
+    
+    _deleteFileActionFilePath.clear();
+}
+
+bool LeftWidget::removeDir(const QString &dirPath)
+{
+    bool result = true;
+    QDir dir(dirPath);
+    
+    if (dir.exists(dirPath)) {
+        Q_FOREACH(QFileInfo info, dir.entryInfoList(QDir::NoDotAndDotDot | QDir::System | QDir::Hidden  | QDir::AllDirs | QDir::Files, QDir::DirsFirst)) {
+            if (info.isDir()) {
+                result = removeDir(info.absoluteFilePath());
+            } else {
+                result = QFile::remove(info.absoluteFilePath());
+            }
+            
+            if (!result) {
+                return result;
+            }
+        }
+        result = dir.rmdir(dirPath);
+    }
+    
+    return result;
+}
+
+void LeftWidget::slotCreateFolderActionTriggered()
+{
+    // 获取当前选中的项目
+    QTreeWidgetItem *currentItem = _treeWidget->currentItem();
+    if (!currentItem) {
+        return;
+    }
+    
+    // 获取当前目录路径
+    QString dirPath;
+    if (currentItem->data(0, Qt::UserRole + 1).toString().isEmpty()) {
+        // 如果是文件，获取其父目录
+        dirPath = QFileInfo(currentItem->data(0, Qt::UserRole).toString()).absolutePath();
+    } else {
+        // 如果是目录，直接使用其路径
+        dirPath = currentItem->data(0, Qt::UserRole + 1).toString();
+    }
+    
+    // 弹出对话框，输入新文件夹名称
+    bool ok;
+    QString folderName = QInputDialog::getText(this, tr("新建文件夹"), 
+                                               tr("请输入文件夹名称:"), 
+                                               QLineEdit::Normal, 
+                                               tr("新建文件夹"), &ok);
+    
+    if (!ok || folderName.isEmpty()) {
+        return;
+    }
+    
+    // 检查文件夹名称是否有效
+    if (folderName.contains(QRegExp("[\\/:*?\"<>|]"))) {
+        QMessageBox::warning(this, tr("错误"), tr("文件夹名称包含非法字符!"));
+        return;
+    }
+    
+    // 创建新文件夹路径
+    QString newFolderPath = dirPath + "/" + folderName;
+    
+    // 检查文件夹是否已存在
+    if (QDir(newFolderPath).exists()) {
+        QMessageBox::warning(this, tr("错误"), tr("文件夹已存在!"));
+        return;
+    }
+    
+    // 创建文件夹
+    if (QDir().mkdir(newFolderPath)) {
+        // 保存当前展开状态
+        saveExpandedState();
+        
+        // 重新加载文件树
+        reloadFileTree();
+        
+        // 恢复展开状态
+        restoreExpandedState();
+        
+        // 展开当前目录并选中新创建的文件夹
+        expandAndSelectItem(newFolderPath);
+    } else {
+        QMessageBox::critical(this, tr("错误"), tr("创建文件夹失败!"));
+    }
+}
+
+void LeftWidget::expandAndSelectItem(const QString &path)
+{
+    // 递归展开到指定路径并选中该项
+    QTreeWidgetItemIterator it(_treeWidget);
+    while (*it) {
+        QTreeWidgetItem *item = *it;
+        QString itemPath = item->data(0, Qt::UserRole + 1).toString();
+        
+        if (itemPath == path) {
+            // 展开所有父节点
+            QTreeWidgetItem *parent = item->parent();
+            while (parent) {
+                parent->setExpanded(true);
+                parent = parent->parent();
+            }
+            
+            // 选中新创建的文件夹
+            _treeWidget->setCurrentItem(item);
+            break;
+        }
+        ++it;
+    }
+}
+
+void LeftWidget::confirmDelete(bool enabled)
+{
+    if (enabled)
+    {
+        if (QFile::remove(_deleteFileActionFilePath))
+        {
+            // qDebug() << "文件删除成功:" << filePath;
+            logde << "delete succ:" << _deleteFileActionFilePath.toStdString();
+        }
+        else
+        {
+            // qWarning() << "文件删除失败:" << filePath;
+            logde << "delete fail:" << _deleteFileActionFilePath.toStdString();
+        }
+        // 重新加载文件树
+        reloadFileTree();
+    }
+}
+
+void LeftWidget::reloadFileTree()
+{
+    // 保存当前展开状态
+    saveExpandedState();
+    
+    // 清空现有的树形结构
+    _treeWidget->clear();
+    
+    // 创建根节点
+    QTreeWidgetItem *rootItem = new QTreeWidgetItem(_treeWidget);
+    rootItem->setText(0, "实验数据");
+    rootItem->setData(0, Qt::UserRole, Global::ExperimentDirPath);
+    // 保存根目录路径，用于恢复展开状态
+    rootItem->setData(0, Qt::UserRole + 1, Global::ExperimentDirPath);
+    
+    // 递归扫描目录并构建树形结构
+    buildFileTree(rootItem, Global::ExperimentDirPath);
+    
+    // 展开根节点
+    rootItem->setExpanded(true);
+    
+    // 恢复展开状态
+    restoreExpandedState();
+    
+    // 更新全局文件列表
+    Global::updateFileList();
+}
+
+QFileInfoList LeftWidget::scanDirRecursively(const QString &rootPath)
+{
+    QFileInfoList result;                                            // 1. 结果容器
+    QDirIterator it(rootPath,                                        // 2. 迭代器：从 rootPath 开始
+                    QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot, // 3. 要哪些条目
+                    QDirIterator::Subdirectories);                   // 4. 递归标志
+    while (it.hasNext())
+    {                                 // 5. 还有下一条吗？
+        it.next();                    // 6. 推进到下一个条目
+        result.append(it.fileInfo()); // 7. 把当前条目塞进列表
+    }
+    return result; // 8. 返回
+}
+
+void LeftWidget::buildFileTree(QTreeWidgetItem *parentItem, const QString &dirPath)
+{
+    QDir dir(dirPath);
+    if (!dir.exists()) {
+        qWarning() << "目录不存在: " << dirPath;
+        return;
+    }
+    
+    // 获取所有子目录和文件，按名称排序
+    dir.setSorting(QDir::Name | QDir::DirsFirst);
+    QFileInfoList list = dir.entryInfoList(QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot);
+    
+    for (const QFileInfo &fileInfo : list) {
+        QTreeWidgetItem *item = new QTreeWidgetItem(parentItem);
+        
+        if (fileInfo.isDir()) {
+            // 设置目录项
+            item->setText(0, fileInfo.fileName());
+            // 使用系统默认的目录图标
+            item->setIcon(0, _treeWidget->style()->standardIcon(QStyle::SP_DirIcon));
+            // 保存目录路径，用于恢复展开状态
+            item->setData(0, Qt::UserRole + 1, fileInfo.absoluteFilePath());
+            
+            // 递归处理子目录
+            buildFileTree(item, fileInfo.absoluteFilePath());
+        } else {
+            // 设置文件项
+            item->setText(0, fileInfo.fileName());
+            item->setData(0, Qt::UserRole, fileInfo.absoluteFilePath());
+            
+            // 根据文件类型设置不同的图标
+            QString suffix = fileInfo.suffix().toLower();
+            if (suffix == "xlsx" || suffix == "xls") {
+                // 使用系统默认的文档图标
+                item->setIcon(0, _treeWidget->style()->standardIcon(QStyle::SP_FileIcon));
+            } else {
+                // 使用默认文件图标
+                item->setIcon(0, _treeWidget->style()->standardIcon(QStyle::SP_FileIcon));
+            }
+        }
+    }
+}
+
+void LeftWidget::saveExpandedState()
+{
+    _expandedPaths.clear();
+    
+    // 递归遍历所有项，保存展开的目录路径
+    QTreeWidgetItemIterator it(_treeWidget);
+    while (*it) {
+        QTreeWidgetItem *item = *it;
+        if (item->isExpanded()) {
+            QVariant pathData = item->data(0, Qt::UserRole + 1);
+            if (!pathData.isNull()) {
+                _expandedPaths.append(pathData.toString());
+            }
+        }
+        ++it;
+    }
+    
+    qDebug() << "保存了" << _expandedPaths.size() << "个展开状态:" << _expandedPaths;
+}
+
+void LeftWidget::restoreExpandedState()
+{
+    int restoredCount = 0;
+    
+    // 递归遍历所有项，恢复展开状态
+    QTreeWidgetItemIterator it(_treeWidget);
+    while (*it) {
+        QTreeWidgetItem *item = *it;
+        QVariant pathData = item->data(0, Qt::UserRole + 1);
+        if (!pathData.isNull()) {
+            QString path = pathData.toString();
+            if (_expandedPaths.contains(path)) {
+                item->setExpanded(true);
+                restoredCount++;
+            }
+        }
+        ++it;
+    }
+    
+    qDebug() << "恢复了" << restoredCount << "个展开状态";
 }
diff --git a/src/ui/leftwidget.h b/src/ui/leftwidget.h
index eb5c3f3..263bf62 100644
--- a/src/ui/leftwidget.h
+++ b/src/ui/leftwidget.h
@@ -19,18 +19,30 @@ public:
 
     void reloadFileName();
 
+    void reloadFileTree();
+
     QString filePathCheck(const QString fileName,const QString folderPath);
+    // 确认删除文件
+    void confirmDelete(bool enabled);
 signals:
     void sigSendAnalysisFileName(const QString&);
+    void sigDeleteActionTriggered(const QString&);
 private:
     void initData();
     void initFileName(QTreeWidgetItem*,const QString &folderPath);
     void expandAll(QTreeWidgetItem* item);
     void clearAllChildItems(QTreeWidgetItem* parentItem);
-    void removeFile(const QString& filePath);
+    QFileInfoList scanDirRecursively(const QString &rootPath);
+    void buildFileTree(QTreeWidgetItem *parentItem, const QString &dirPath);
+    void saveExpandedState();
+    void restoreExpandedState();
+    void expandAndSelectItem(const QString &path);
+    bool removeDir(const QString &dirPath);
 private slots:
     void slotTreeWidgetItemClicked(QTreeWidgetItem *item, int column);
     void slotShowContextMenu(const QPoint &pos);
+    void slotDeleteActionTriggered();
+    void slotCreateFolderActionTriggered();
 private:
     QTreeWidget *_treeWidget;
     
@@ -39,7 +51,14 @@ private:
     *_sampleDataItem;
 
     QMenu *_contextMenu;
-    QAction *_deleteAction;
+    
+    QAction *_deleteFileAction;
+    QAction *_createFolderAction;
+    QString _deleteFileActionFilePath;
+    
+    // 保存展开状态的列表
+    QStringList _expandedPaths;
 };
 
 #endif // LEFTWIDGET_H
+