diff --git a/src/DataProcessWorkPool.cpp b/src/DataProcessWorkPool.cpp
index 901227d..e684ae4 100644
--- a/src/DataProcessWorkPool.cpp
+++ b/src/DataProcessWorkPool.cpp
@@ -22,41 +22,12 @@
 #include "DataCalcProcess/NolinearLeastSquaresCurveFit.h"
 #include "EnergyScaleDataModel.h"
 #include "DataCalcProcess/CoincidenceSpectrumProcess.h"
+#include "BackgroundTaskListModel.h"
 #include <QDebug>
 
 using namespace DataProcessWorkPool;
 using namespace io;
 
-DataProcessTaskList* DataProcessTaskList::_s_instance = nullptr;
-
-DataProcessTaskList *DataProcessTaskList::Instance()
-{
-    if (!_s_instance) {
-        _s_instance = new DataProcessTaskList();
-    }
-    return _s_instance;
-}
-
-DataProcessTaskList::~DataProcessTaskList()
-{
-    Clear();
-}
-
-void DataProcessTaskList::InserTask(DataProcessTask* task)
-{
-    _task_list.insert(task->GetTaskName(), task);
-}
-
-void DataProcessTaskList::RemoveTask(const QString &task_name)
-{
-    _task_list.remove(task_name);
-}
-
-void DataProcessTaskList::Clear()
-{
-
-}
-
 
 void DataProcessTask::SetFinishedNotifier(QObject* finished_notifier, const char* finished_process, const QString& project_name)
 {
@@ -96,11 +67,11 @@ void DataProcessTask::run()
         return;
     }
 
-    DataProcessTaskList::Instance()->InserTask(this);
+    BackgroundTaskListModel::Instance()->InserTask(this);
 
     bool task_ok = processTask();
 
-    DataProcessTaskList::Instance()->RemoveTask(this->GetTaskName());
+    BackgroundTaskListModel::Instance()->RemoveTask(this->GetTaskName());
 
     if ((GetFinishedNotifier() != nullptr) && (GetFinishedNotifierProcess() != nullptr)) {
         QMetaObject::invokeMethod(
@@ -139,7 +110,7 @@ bool ParticleDataTask::processTask()
     return processEveryChannelParticleData();
 }
 
-const QString &EveryChannelParticleCountDataTask::GetTaskName()
+QString EveryChannelParticleCountDataTask::GetTaskName()
 {
     return QStringLiteral(u"[%1]通道粒子计数统计处理").arg(this->GetProjectName());
 }
@@ -267,7 +238,7 @@ bool EveryChannelParticleCountDataTask::processEveryChannelParticleData()
 
 ////////////////////////////////////////////////////////////////////////////////////
 
-const QString &ParticleDataSortTask::GetTaskName()
+QString ParticleDataSortTask::GetTaskName()
 {
     return QStringLiteral(u"[%1]粒子数据按时间排序处理").arg(this->GetProjectName());
 }
@@ -501,7 +472,7 @@ bool ParticleDataSortByMinimysTask::processEveryChannelParticleData()
     return ret_ok;
 }
 
-const QString &CoincidenceEventAnalysisTask::GetTaskName()
+QString CoincidenceEventAnalysisTask::GetTaskName()
 {
     return QStringLiteral(u"[%1]粒子数据符合处理").arg(this->GetProjectName());
 }
@@ -584,7 +555,7 @@ bool CoincidenceEventAnalysisTask::processTask()
     return true;
 }
 
-const QString &AutoFindPeaksTask::GetTaskName()
+QString AutoFindPeaksTask::GetTaskName()
 {
     return QStringLiteral(u"[%1]粒子通道计数谱自动寻峰处理").arg(this->GetProjectName());
 }
@@ -687,7 +658,7 @@ bool AutoFindPeaksTask::processTask()
     return true;
 }
 
-const QString &ChannelEnergyScaleFittingTask::GetTaskName()
+QString ChannelEnergyScaleFittingTask::GetTaskName()
 {
     return QStringLiteral(u"[%1]能量刻度拟合处理").arg(this->GetProjectName());
 }
@@ -778,7 +749,7 @@ bool ChannelEnergyScaleFittingTask::processTask()
     return true;
 }
 
-const QString &EnergyScaleParticleDataTask::GetTaskName()
+QString EnergyScaleParticleDataTask::GetTaskName()
 {
     return QStringLiteral(u"[%1]粒子数据能量刻度处理").arg(this->GetProjectName());
 }
@@ -845,7 +816,7 @@ bool EnergyScaleParticleDataTask::processTask()
     return true;
 }
 
-const QString &EnergyCountProcessTask::GetTaskName()
+QString EnergyCountProcessTask::GetTaskName()
 {
     return QStringLiteral(u"[%1]粒子能量计数统计处理").arg(this->GetProjectName());
 }
@@ -930,7 +901,7 @@ bool EnergyCountProcessTask::processTask()
     return true;
 }
 
-const QString &EnergyScaleCoincidenceDataTask::GetTaskName()
+QString EnergyScaleCoincidenceDataTask::GetTaskName()
 {
     return QStringLiteral(u"[%1]粒子符合数据能量刻度处理").arg(this->GetProjectName());
 }
@@ -1022,7 +993,7 @@ bool EnergyScaleCoincidenceDataTask::processTask()
     return true;
 }
 
-const QString &EnergyScaleaAntiCoincidenceDataTask::GetTaskName()
+QString EnergyScaleaAntiCoincidenceDataTask::GetTaskName()
 {
     return QStringLiteral(u"[%1]粒子反符合数据能量刻度处理").arg(this->GetProjectName());
 }
diff --git a/src/DataProcessWorkPool.h b/src/DataProcessWorkPool.h
index 233dd77..47c51b6 100644
--- a/src/DataProcessWorkPool.h
+++ b/src/DataProcessWorkPool.h
@@ -16,7 +16,7 @@ namespace DataProcessWorkPool
     class DataProcessTask : public QRunnable
     {
     public:
-        virtual const QString& GetTaskName() = 0;
+        virtual QString GetTaskName() = 0;
 
         void SetFinishedNotifier(QObject* finished_notifier, const char* finished_process, const QString& project_name);
         const QString& GetProjectName() const;
@@ -41,24 +41,6 @@ namespace DataProcessWorkPool
         QVariant _task_result_data;
     };
 
-    class DataProcessTaskList
-    {
-    public:
-        static DataProcessTaskList* Instance();
-        virtual ~DataProcessTaskList();
-        void InserTask(DataProcessTask *task);
-        void RemoveTask(const QString& task_name);
-        void Clear();
-    signals:
-        void taskInserted();
-        void taskRemoved(const QString& task_name);
-    private:
-        explicit DataProcessTaskList() {}
-        static DataProcessTaskList* _s_instance;
-    private:
-        QMap<QString, DataProcessTask*> _task_list;
-    };
-
     class ParticleDataTask : public DataProcessTask
     {
     public:
@@ -78,7 +60,7 @@ namespace DataProcessWorkPool
     class EveryChannelParticleCountDataTask : public ParticleDataTask
     {
     public:
-        const QString& GetTaskName();
+        QString GetTaskName();
         void SetAllChannelCountResultDir(const QString& dir_path);
         const QString& GetAllChannelCountResultDir() const;
         void SetEveryChannelCountResultDir(const QString&dir_path);
@@ -95,7 +77,7 @@ namespace DataProcessWorkPool
     class ParticleDataSortTask : public ParticleDataTask
     {
     public:
-        const QString& GetTaskName();
+        QString GetTaskName();
         void SetSortedResultDir(const QString& sorted_result_dir);
         const QString& GetSortedResultDir() const;
 
@@ -114,7 +96,7 @@ namespace DataProcessWorkPool
     class CoincidenceEventAnalysisTask : public DataProcessTask
     {
     public:
-        const QString& GetTaskName();
+        QString GetTaskName();
     private:
         virtual bool processTask() override;
     };
@@ -122,7 +104,7 @@ namespace DataProcessWorkPool
     class AutoFindPeaksTask : public DataProcessTask
     {
     public:
-        const QString& GetTaskName();
+        QString GetTaskName();
         void SetAnalysisType(AnalysisType analysis_type);
         void SetDataFileList(const QMap<QString, QVariant>& data_files_set);
         void SetResultDir(const QString& result_dir);
@@ -142,7 +124,7 @@ namespace DataProcessWorkPool
     public:
         typedef QMap<QString, QMap<int, QList<double> > > FitDataMap;
     public:
-        const QString& GetTaskName();
+        QString GetTaskName();
         void SetData(const FitDataMap& channel_energy_scale_fit_data_map, const QMap<QString, int>& fit_degree_map);
         void SetResultDir(const QString& result_dir);
         virtual bool IsValidSetWorkParameters() const override;
@@ -157,7 +139,7 @@ namespace DataProcessWorkPool
     class EnergyScaleParticleDataTask : public DataProcessTask
     {
     public:
-        const QString& GetTaskName();
+        QString GetTaskName();
     private:
         virtual bool processTask() override;
     };
@@ -165,7 +147,7 @@ namespace DataProcessWorkPool
     class EnergyCountProcessTask : public DataProcessTask
     {
     public:
-        const QString& GetTaskName();
+        QString GetTaskName();
     private:
         virtual bool processTask() override;
     };
@@ -173,7 +155,7 @@ namespace DataProcessWorkPool
     class EnergyScaleCoincidenceDataTask : public DataProcessTask
     {
     public:
-        const QString& GetTaskName();
+        QString GetTaskName();
     private:
         virtual bool processTask() override;
     };
@@ -181,7 +163,7 @@ namespace DataProcessWorkPool
     class EnergyScaleaAntiCoincidenceDataTask : public DataProcessTask
     {
     public:
-        const QString& GetTaskName();
+        QString GetTaskName();
     private:
         virtual bool processTask() override;
     };
diff --git a/src/MainWindow.cpp b/src/MainWindow.cpp
index 7125b41..0067069 100644
--- a/src/MainWindow.cpp
+++ b/src/MainWindow.cpp
@@ -27,7 +27,7 @@
 #include "GlobalDefine.h"
 #include "DeviceParamsManagerDlg.h"
 #include "NuclideLib.h"
-#include <QListWidget>
+#include "BackgroundTaskListView.h"
 #include <QDesktopWidget>
 
 using namespace ads;
@@ -307,16 +307,22 @@ void MainWindow::initAction()
 
 void MainWindow::initStatusBar()
 {
-    _w_watcher_list = new QListWidget(this);
-    _w_watcher_list->setWindowFlags(Qt::ToolTip | Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint);
-    QPalette palette = _w_watcher_list->palette();
+    _w_watcher_task_list = new BackgroundTaskListView(this);
+    _w_watcher_task_list->setWindowFlags(Qt::ToolTip | Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint);
+    QPalette palette = _w_watcher_task_list->palette();
     palette.setColor(QPalette::Base, Qt::gray);
-    _w_watcher_list->setPalette(palette);
-    _w_watcher_list->setAutoFillBackground(true);
+    _w_watcher_task_list->setPalette(palette);
+    _w_watcher_task_list->setAutoFillBackground(true);
 
     _btn_task_watcher = new QPushButton(QStringLiteral(u"后台任务监视"), _status_bar);
     _status_bar->addPermanentWidget(_btn_task_watcher);
-    connect(_btn_task_watcher, &QPushButton::clicked, this, &MainWindow::onShowBackgroundTaskList);
+    connect(_btn_task_watcher, &QPushButton::clicked, this, [this](){
+        if ( _w_watcher_task_list->isVisible() ) {
+            _w_watcher_task_list->hide();
+        } else {
+            this->onShowBackgroundTaskList();
+        }
+    });
 }
 
 void MainWindow::applyStyleSheet()
@@ -387,7 +393,7 @@ void MainWindow::closeEvent(QCloseEvent* event)
 void MainWindow::moveEvent(QMoveEvent *event)
 {
     QMainWindow::moveEvent(event);
-    if (this->_w_watcher_list->isVisible()) {
+    if (this->_w_watcher_task_list->isVisible()) {
         onShowBackgroundTaskList();
     }
 }
@@ -403,8 +409,8 @@ void MainWindow::onShowBackgroundTaskList()
     this->updateGeometry();
     this->_btn_task_watcher->updateGeometry();
 
-    this->_w_watcher_list->adjustSize();
-    QSize pop_size = this->_w_watcher_list->size();
+    this->_w_watcher_task_list->adjustSize();
+    QSize pop_size = this->_w_watcher_task_list->size();
 
     QPoint btn_top_teft = this->_btn_task_watcher->mapToGlobal(QPoint(0, 0));
     int btn_width = this->_btn_task_watcher->width();
@@ -421,15 +427,15 @@ void MainWindow::onShowBackgroundTaskList()
     // if (y < screen_rect.top())
     //     y = btn_top_teft.y() + btn_height + 6;
 
-    this->_w_watcher_list->move(x, y);
-    this->_w_watcher_list->show();
+    this->_w_watcher_task_list->move(x, y);
+    this->_w_watcher_task_list->show();
 }
 
 
 void MainWindow::resizeEvent(QResizeEvent *event)
 {
     QMainWindow::resizeEvent(event);
-    if (this->_w_watcher_list->isVisible()) {
+    if (this->_w_watcher_task_list->isVisible()) {
         onShowBackgroundTaskList();
     }
 }
diff --git a/src/MainWindow.h b/src/MainWindow.h
index 6d66505..625c7fd 100644
--- a/src/MainWindow.h
+++ b/src/MainWindow.h
@@ -15,7 +15,7 @@ class CDockWidget;
 }
 class QPlainTextEdit;
 class MeasureAnalysisTreeView;
-class QListWidget;
+class BackgroundTaskListView;
 class QPushButton;
 QT_END_NAMESPACE
 
@@ -69,7 +69,7 @@ private:
     QPlainTextEdit* _plain_edit_info_output;
     QStatusBar* _status_bar;
     QPushButton* _btn_task_watcher;
-    QListWidget* _w_watcher_list;
+    BackgroundTaskListView* _w_watcher_task_list;
 
 private:
     Ui::MainWindow *ui;
diff --git a/src/src.pro b/src/src.pro
index fcab269..1cbd14c 100644
--- a/src/src.pro
+++ b/src/src.pro
@@ -40,7 +40,8 @@ INCLUDEPATH += \
     $${PWD}/NuclideLib \
     $${PWD}/AntiConformEnergySpectrumView\
     $${PWD}/CoincidenceEventTimeView\
-    $${PWD}/NuclideAnalysisView
+    $${PWD}/NuclideAnalysisView \
+    $${PWD}/BackgroundTaskListView
 
 
 DEPENDPATH += \
@@ -62,13 +63,15 @@ DEPENDPATH += \
     $${PWD}/NuclideLib \
     $${PWD}/AntiConformEnergySpectrumView\
     $${PWD}/CoincidenceEventTimeView\
-    $${PWD}/NuclideAnalysisView
-
+    $${PWD}/NuclideAnalysisView \
+    $${PWD}/BackgroundTaskListView
 
 
 SOURCES += \
     2DSpectralCompliance/TwoDSpectralCompliance.cpp \
     AboutDlg.cpp \
+    BackgroundTaskListView/BackgroundTaskListModel.cpp \
+    BackgroundTaskListView/BackgroundTaskListView.cpp \
     BusyIndicator/BusyIndicator.cpp \
     CoincidenceEventTimeView/CoincidenceEventTimeView.cpp \
     CountRateAnalysisView/CountRateAnalysisView.cpp \
@@ -119,6 +122,8 @@ HEADERS += \
     2DSpectralCompliance/TwoDSpectralCompliance.h \
     AboutDlg.h \
     AnalysisTypeDefine.h \
+    BackgroundTaskListView/BackgroundTaskListModel.h \
+    BackgroundTaskListView/BackgroundTaskListView.h \
     BusyIndicator/BusyIndicator.h \
     CoincidenceEventTimeView/CoincidenceEventTimeView.h \
     CountRateAnalysisView/CountRateAnalysisView.h \