diff --git a/src/deb-installer/manager/packagesmanager.cpp b/src/deb-installer/manager/packagesmanager.cpp
index f1b8cf29..90fcfd64 100644
--- a/src/deb-installer/manager/packagesmanager.cpp
+++ b/src/deb-installer/manager/packagesmanager.cpp
@@ -213,10 +213,10 @@ PackageDependsStatus PackagesManager::checkDependsStatus(const QString &package_
                     }
                 }
             }
-            installWineDepends = false;  // 标记wine依赖下载线程开启
-            isDependsExists = false;     // 标记多架构依赖冲突
-            m_pair.first.clear();        // 清空available依赖
-            m_pair.second.clear();       // 清空broken依赖
+            GlobalStatus::setWinePreDependsInstalling(false);  // mark wine dependent download thread start
+            isDependsExists = false;                           // mark multi-schema dependency conflicts
+            m_pair.first.clear();                              // clear available dependencies
+            m_pair.second.clear();                             // clear the broken dependency
             if (m_dependsPackages.contains(m_currentPkgMd5))
                 m_dependsPackages.remove(m_currentPkgMd5);
 
@@ -687,13 +687,16 @@ void PackagesManager::slotDealDependResult(int iAuthRes, int iIndex, const QStri
             if (!m_errorIndex.contains(m_dependInstallMark[num]))
                 m_errorIndex.insert(m_dependInstallMark[num], iAuthRes);
         }
-        if (installWineDepends) {  // 下载wine依赖失败时，考虑出现依赖缺失的情况
+
+        // If the download of a wine dependency fails, might be the dependency is missing
+        if (GlobalStatus::winePreDependsInstalling()) {
             qInfo() << "check wine depends again !" << iIndex;
             getPackageDependsStatus(iIndex);
             if (!m_dependsPackages.isEmpty()) {
                 qInfo() << m_dependsPackages.size() << m_dependsPackages.value(m_currentPkgMd5).second.size();
-                if (m_preparedPackages.size() > 1)
-                    installWineDepends = false;
+                if (m_preparedPackages.size() > 1) {
+                    GlobalStatus::setWinePreDependsInstalling(false);
+                }
             }
         }
         emit signalEnableCloseButton(true);
@@ -808,10 +811,11 @@ PackageDependsStatus PackagesManager::getPackageDependsStatus(const int index)
                     }
                 }
             }
-            installWineDepends = false;  // 标记wine依赖下载线程开启
-            isDependsExists = false;     // 标记多架构依赖冲突
-            m_pair.first.clear();        // 清空available依赖
-            m_pair.second.clear();       // 清空broken依赖
+
+            GlobalStatus::setWinePreDependsInstalling(false);  // mark wine dependent download thread start
+            isDependsExists = false;                           // mark multi-schema dependency conflicts
+            m_pair.first.clear();                              // clear available dependencies
+            m_pair.second.clear();                             // clear the broken dependency
             if (m_dependsPackages.contains(m_currentPkgMd5))
                 m_dependsPackages.remove(m_currentPkgMd5);
 
@@ -828,8 +832,10 @@ PackageDependsStatus PackagesManager::getPackageDependsStatus(const int index)
                         break;
                     }
 
-                    if (!m_dependInstallMark.contains(currentPackageMd5)) {  // 更换判断依赖错误的标记
-                        installWineDepends = true;
+                    if (!m_dependInstallMark.contains(currentPackageMd5)) { 
+                        // replace the marker that the depends error
+                        GlobalStatus::setWinePreDependsInstalling(true);
+
                         if (!m_installWineThread->isRunning()) {
                             m_dependInstallMark.append(currentPackageMd5);  // 依赖错误的软件包的标记 更改为md5取代验证下标
                             qInfo() << "PackagesManager:"
diff --git a/src/deb-installer/manager/packagesmanager.h b/src/deb-installer/manager/packagesmanager.h
index 5a5b5ce1..5bd77fe4 100644
--- a/src/deb-installer/manager/packagesmanager.h
+++ b/src/deb-installer/manager/packagesmanager.h
@@ -550,8 +550,6 @@ private slots:
 private:
     AddPackageThread *m_pAddPackageThread = nullptr;  // 添加包的线程
 
-    bool installWineDepends = false;
-
     bool isDependsExists = false;
 
     int m_validPackageCount = 0;
diff --git a/src/deb-installer/model/abstract_package_list_model.h b/src/deb-installer/model/abstract_package_list_model.h
index 02608ff2..2abcd22a 100644
--- a/src/deb-installer/model/abstract_package_list_model.h
+++ b/src/deb-installer/model/abstract_package_list_model.h
@@ -75,6 +75,8 @@ class AbstractPackageListModel : public QAbstractListModel
 
     // raw output of install/uninstall failures
     virtual QString lastProcessError() = 0;
+    // a package signature verification fails
+    virtual bool containsSignatureFailed() const = 0;
 
     // trigger install / uninstall
     Q_SLOT virtual bool slotInstallPackages() = 0;
diff --git a/src/deb-installer/model/deblistmodel.cpp b/src/deb-installer/model/deblistmodel.cpp
index a1a0b015..d56e2d74 100644
--- a/src/deb-installer/model/deblistmodel.cpp
+++ b/src/deb-installer/model/deblistmodel.cpp
@@ -11,6 +11,7 @@
 #include "utils/utils.h"
 #include "utils/hierarchicalverify.h"
 #include "singleInstallerApplication.h"
+#include "view/widgets/error_notify_dialog_helper.h"
 
 #include <DDialog>
 #include <DSysInfo>
@@ -211,7 +212,7 @@ void DebListModel::slotDealDependResult(int authType, int dependIndex, const QSt
         case DebListModel::AuthDependsErr:  // 安装失败后，状态的修改由debinstaller进行处理
             break;
         case DebListModel::VerifyDependsErr:  // 依赖包分级管控验证签名失败，弹出分级设置提示框
-            showHierarchicalVerifyWindow();
+            ErrorNotifyDialogHelper::showHierarchicalVerifyWindow();
             break;
         default:
             break;
@@ -322,6 +323,7 @@ bool DebListModel::slotInstallPackages()
     m_operatingIndex = 0;               // 初始化当前操作的index
     m_operatingStatusIndex = 0;
     m_operatingPackageMd5 = m_packageMd5[m_operatingIndex];
+    m_hierarchicalVerifyError = false;
 
     // start first
     initRowStatus();  // 初始化包的操作状态
@@ -342,6 +344,7 @@ bool DebListModel::slotUninstallPackage(int index)
     m_operatingPackageMd5 = m_packageMd5[m_operatingIndex];
     // fix bug : 卸载失败时不提示卸载失败。
     m_operatingStatusIndex = index;  // 刷新操作状态的index
+    m_hierarchicalVerifyError = false;
 
     DebFile debFile(m_packagesManager->package(m_operatingIndex));  // 获取到包
     if (!debFile.isValid())
@@ -455,6 +458,11 @@ QString DebListModel::lastProcessError()
     return "failed";
 }
 
+bool DebListModel::containsSignatureFailed() const
+{
+    return m_hierarchicalVerifyError;
+}
+
 QString DebListModel::checkPackageValid(const QString &package_path)
 {
     return m_packagesManager->checkPackageValid(QStringList(package_path));
@@ -528,12 +536,6 @@ void DebListModel::bumpInstallIndex()
         emit signalWorkerFinished();           // 发送安装完成信号
         emit signalWholeProgressChanged(100);  // 修改安装进度
         emit signalCurrentPacakgeProgressChanged(100);
-
-        // 安装结束，弹出分级管控信息提示框
-        if (m_hierarchicalVerifyError) {
-            showHierarchicalVerifyWindow();
-            m_hierarchicalVerifyError = false;
-        }
         return;
     }
     ++m_operatingStatusIndex;
@@ -1558,58 +1560,6 @@ void DebListModel::showProhibitWindow()
     connect(Ddialog, &DDialog::rejected, exitOperate);
 }
 
-/**
-   @brief 弹出分级管控安全等级设置引导提示窗口
- */
-void DebListModel::showHierarchicalVerifyWindow()
-{
-    if (!HierarchicalVerify::instance()->isValid()) {
-        return;
-    }
-
-    DDialog *dialog = new DDialog();
-    // 限制显示宽度
-    dialog->setFixedWidth(380);
-    dialog->setFocusPolicy(Qt::TabFocus);
-    dialog->setModal(true);
-    dialog->setWindowFlag(Qt::WindowStaysOnTopHint);
-
-    // 设置弹出窗口显示的信息
-    dialog->setTitle(tr("Unable to install"));
-    dialog->setMessage(tr("This package does not have a valid digital signature and has been blocked from installing/running. "
-                          "Go to Security Center > Tools > App Security to change the settings."));
-    dialog->setIcon(QIcon::fromTheme("di_popwarning"));
-    dialog->addButton(QString(tr("Cancel", "button")), false, DDialog::ButtonNormal);
-    dialog->addButton(QString(tr("Proceed", "button")), true, DDialog::ButtonRecommend);
-    dialog->show();
-
-    // 拷贝自 ddialog.cpp 用于设置默认对话框高度，避免在大字号/高缩放比下显示不全，在 show() 之后调用。
-    QLabel *msgLabel = dialog->findChild<QLabel *>("MessageLabel");
-    if (msgLabel) {
-        auto dialogStyle = dialog->style();
-        if (dialogStyle) {
-            QSize sz =
-                dialogStyle->itemTextRect(msgLabel->fontMetrics(), msgLabel->rect(), Qt::TextWordWrap, false, msgLabel->text())
-                    .size();
-            msgLabel->setMinimumHeight(qMax(sz.height(), msgLabel->sizeHint().height()));
-        }
-    }
-
-    QPushButton *btnPorceed = qobject_cast<QPushButton *>(dialog->getButton(1));
-    btnPorceed->setFocusPolicy(Qt::TabFocus);
-    btnPorceed->setFocus();
-
-    // 窗口退出操作，包括所有可以退出此窗口的操作
-    std::function<void(void)> exitOperate = [dialog]() { dialog->deleteLater(); };
-
-    connect(dialog, &DDialog::finished, [dialog](int result) {
-        if (QDialog::Accepted == result) {
-            HierarchicalVerify::instance()->proceedDefenderSafetyPage();
-        }
-        dialog->deleteLater();
-    });
-}
-
 bool DebListModel::checkBlackListApplication()
 {
     PackageDependsStatus dependsStat = m_packagesManager->getPackageDependsStatus(m_operatingIndex);
diff --git a/src/deb-installer/model/deblistmodel.h b/src/deb-installer/model/deblistmodel.h
index 9bc2ef35..6b4f8fc9 100644
--- a/src/deb-installer/model/deblistmodel.h
+++ b/src/deb-installer/model/deblistmodel.h
@@ -167,6 +167,7 @@ class DebListModel : public AbstractPackageListModel
     QStringList getPackageInfo(const QString &package_path) override;
 
     QString lastProcessError() override;
+    bool containsSignatureFailed() const override;
 
     /**
      * @brief checkPackageValid 查找指定包信息
@@ -399,11 +400,6 @@ private slots:
      */
     void showProhibitWindow();
 
-    /**
-     * @brief showHierarchicalVerifyWindow 弹出分级管控安全等级设置引导提示窗口
-     */
-    void showHierarchicalVerifyWindow();
-
     /**
      * @brief 检查当前将要安装的包是否在黑名单中。
      *
diff --git a/src/deb-installer/model/proxy_package_list_model.cpp b/src/deb-installer/model/proxy_package_list_model.cpp
index 1bf51a77..5aa3b219 100644
--- a/src/deb-installer/model/proxy_package_list_model.cpp
+++ b/src/deb-installer/model/proxy_package_list_model.cpp
@@ -128,6 +128,14 @@ QString ProxyPackageListModel::lastProcessError()
     return errorMessage;
 }
 
+bool ProxyPackageListModel::containsSignatureFailed() const
+{
+    auto findItr = std::find_if(m_packageModels.begin(), m_packageModels.end(), [](const ModelInfo &info) {
+        return info.model->containsSignatureFailed();
+    });
+    return findItr != m_packageModels.end();
+}
+
 bool ProxyPackageListModel::slotInstallPackages()
 {
     if (!isWorkerPrepare()) {
diff --git a/src/deb-installer/model/proxy_package_list_model.h b/src/deb-installer/model/proxy_package_list_model.h
index 49287036..cc5161f4 100644
--- a/src/deb-installer/model/proxy_package_list_model.h
+++ b/src/deb-installer/model/proxy_package_list_model.h
@@ -27,6 +27,7 @@ class ProxyPackageListModel : public AbstractPackageListModel
     Pkg::DependsStatus checkDependsStatus(const QString &packagePath) override;
     QStringList getPackageInfo(const QString &packagePath) override;
     QString lastProcessError() override;
+    bool containsSignatureFailed() const override;
 
     Q_SLOT bool slotInstallPackages() override;
     Q_SLOT bool slotUninstallPackage(int index) override;
diff --git a/src/deb-installer/singleInstallerApplication.cpp b/src/deb-installer/singleInstallerApplication.cpp
index 9b8cf781..469d128e 100644
--- a/src/deb-installer/singleInstallerApplication.cpp
+++ b/src/deb-installer/singleInstallerApplication.cpp
@@ -167,7 +167,6 @@ bool SingleInstallerApplication::parseCmdLine()
                 bIsDbus = true;
             }
         } else {
-            QStringList paraList = parser.positionalArguments();
             for (auto it : paraList) {
                 if (it.endsWith("ddim")) {
                     m_ddimFiles.append(it);
diff --git a/src/deb-installer/uab/uab_package.cpp b/src/deb-installer/uab/uab_package.cpp
index ab655730..cb7ad46e 100644
--- a/src/deb-installer/uab/uab_package.cpp
+++ b/src/deb-installer/uab/uab_package.cpp
@@ -8,6 +8,11 @@
 
 namespace Uab {
 
+/**
+ * @class UabPackage
+ * @brief Uab package, contains package information and runtime status.
+ *        Store version, install status, operation status, error code, and error message.
+ */
 UabPackage::UabPackage(const UabPkgInfo::Ptr &metaPtr)
     : m_metaPtr(metaPtr)
 {
@@ -21,7 +26,7 @@ const UabPkgInfo::Ptr &UabPackage::info() const
 
 bool UabPackage::isValid() const
 {
-    if (!m_metaPtr) {
+    if (!m_metaPtr || !fileExists()) {
         return false;
     }
 
@@ -50,6 +55,16 @@ void UabPackage::setProcessError(Pkg::ErrorCode err, const QString &errorString)
     m_processError = errorString;
 }
 
+bool UabPackage::fileExists() const
+{
+    return m_exists;
+}
+
+void UabPackage::markNotExists()
+{
+    m_exists = false;
+}
+
 Pkg::DependsStatus UabPackage::dependsStatus() const
 {
     return m_dependsStatus;
@@ -113,6 +128,9 @@ void UabPackage::reset()
     m_installedVersion.clear();
     m_installStatus = Pkg::NotInstalled;
 
+    m_errorCode = Pkg::NoError;
+    m_processError.clear();
+
     if (!Uab::UabBackend::instance()->linglongExists()) {
         setDependsStatus(Pkg::DependsBreak);
     } else {
diff --git a/src/deb-installer/uab/uab_package.h b/src/deb-installer/uab/uab_package.h
index 09e56bac..821a996d 100644
--- a/src/deb-installer/uab/uab_package.h
+++ b/src/deb-installer/uab/uab_package.h
@@ -21,6 +21,8 @@ class UabPackage
     bool isValid() const;
     void setDependsStatus(Pkg::DependsStatus status);
     void setProcessError(Pkg::ErrorCode err, const QString &errorString);
+    bool fileExists() const;
+    void markNotExists();
 
     Pkg::DependsStatus dependsStatus() const;
     Pkg::PackageInstallStatus installStatus() const;
@@ -40,6 +42,8 @@ class UabPackage
 private:
     Uab::UabPkgInfo::Ptr m_metaPtr;
 
+    bool m_exists{true};
+
     Pkg::DependsStatus m_dependsStatus{Pkg::DependsOk};            // package's depends info
     Pkg::PackageInstallStatus m_installStatus{Pkg::NotInstalled};  // version check
     Pkg::PackageOperationStatus m_operationStatus{Pkg::Prepare};   // status for operation flow
diff --git a/src/deb-installer/uab/uab_package_list_model.cpp b/src/deb-installer/uab/uab_package_list_model.cpp
index c1a7566b..856a6004 100644
--- a/src/deb-installer/uab/uab_package_list_model.cpp
+++ b/src/deb-installer/uab/uab_package_list_model.cpp
@@ -5,20 +5,27 @@
 #include "uab_package_list_model.h"
 
 #include <QAbstractListModel>
+#include <QFileSystemWatcher>
+#include <QTimer>
+#include <QDebug>
 
 #include "uab_backend.h"
 #include "utils/utils.h"
 
-#include <QDebug>
-
 namespace Uab {
 
 static const float kCompleteProgress = 100.0;
 static const int kPkgInitedIndex = -1;
 
+/**
+ * @class UabPackageListModel
+ * @brief Manage the list model of UAB packages, and handle the install and uninstall of multiple UAB packages.
+ *        Emit execution status and error messages.
+ */
 UabPackageListModel::UabPackageListModel(QObject *parent)
     : AbstractPackageListModel{parent}
     , m_processor(new UabProcessController(this))
+    , m_fileWatcher(new QFileSystemWatcher(this))
 {
     m_supportPackageType = Pkg::Uab;
 
@@ -26,6 +33,8 @@ UabPackageListModel::UabPackageListModel(QObject *parent)
     connect(m_processor, &UabProcessController::progressChanged, this, &UabPackageListModel::slotBackendProgressChanged);
     connect(m_processor, &UabProcessController::processFinished, this, &UabPackageListModel::slotBackendProcessFinished);
 
+    connect(m_fileWatcher, &QFileSystemWatcher::fileChanged, this, &UabPackageListModel::slotFileChanged);
+
     // call init uab backend while uab package list model create
     connect(Uab::UabBackend::instance(), &Uab::UabBackend::backendInitFinsihed, this, [this]() {
         if (!m_delayAppendPackages.isEmpty()) {
@@ -42,10 +51,8 @@ QVariant UabPackageListModel::data(const QModelIndex &index, int role) const
         return {};
     }
 
-    // check file exists
-
     const UabPackage::Ptr &uabPtr = m_uabPkgList.at(index.row());
-    if (!uabPtr) {
+    if (!uabPtr || !uabPtr->isValid()) {
         return {};
     }
 
@@ -104,6 +111,8 @@ void UabPackageListModel::slotAppendPackage(const QStringList &packageList)
 
         if (uabPtr && uabPtr->isValid()) {
             m_uabPkgList.append(uabPtr);
+
+            m_fileWatcher->addPath(path);
         }
     }
 
@@ -119,7 +128,10 @@ void UabPackageListModel::removePackage(int index)
     }
 
     if (0 <= index && index < rowCount()) {
-        m_uabPkgList.removeAt(index);
+        auto uabPtr = m_uabPkgList.takeAt(index);
+        if (uabPtr && uabPtr->info()) {
+            m_fileWatcher->removePath(uabPtr->info()->filePath);
+        }
 
         Q_EMIT signalPackageCountChanged(rowCount());
     }
@@ -198,6 +210,16 @@ QString UabPackageListModel::lastProcessError()
     return {};
 }
 
+bool UabPackageListModel::containsSignatureFailed() const
+{
+    // check if a pacakge signature verify failed.
+    auto findItr = std::find_if(m_uabPkgList.begin(), m_uabPkgList.end(), [](const UabPackage::Ptr &uabPtr) {
+        return Pkg::DigitalSignatureError == uabPtr->m_errorCode;
+    });
+
+    return findItr != m_uabPkgList.end();
+}
+
 bool UabPackageListModel::slotInstallPackages()
 {
     if (!isWorkerPrepare() || rowCount() <= 0) {
@@ -269,6 +291,12 @@ void UabPackageListModel::reset()
 {
     setWorkerStatus(WorkerPrepare);
     m_operatingIndex = kPkgInitedIndex;
+
+    QStringList files = m_fileWatcher->files();
+    if (!files.isEmpty()) {
+        m_fileWatcher->removePaths(files);
+    }
+
     m_uabPkgList.clear();
 }
 
@@ -293,10 +321,10 @@ bool UabPackageListModel::installNextUab()
         return false;
     }
 
-    // check finish
+    // check install finish
     if (m_operatingIndex >= rowCount()) {
-        Q_EMIT signalCurrentPacakgeProgressChanged(kCompleteProgress);
-        Q_EMIT signalWholeProgressChanged(kCompleteProgress);
+        Q_EMIT signalCurrentPacakgeProgressChanged(static_cast<int>(kCompleteProgress));
+        Q_EMIT signalWholeProgressChanged(static_cast<int>(kCompleteProgress));
 
         setWorkerStatus(WorkerFinished);
         return true;
@@ -344,11 +372,11 @@ void UabPackageListModel::slotBackendProgressChanged(float progress)
 {
     Q_ASSERT_X(rowCount() > 0, "check count", "row count invalid");
 
-    float base = kCompleteProgress / rowCount();
-    float wholeProgress = (m_operatingIndex + (progress / kCompleteProgress)) * base;
+    const float base = kCompleteProgress / rowCount();
+    const float wholeProgress = (m_operatingIndex + (progress / kCompleteProgress)) * base;
 
-    Q_EMIT signalCurrentPacakgeProgressChanged(progress);
-    Q_EMIT signalWholeProgressChanged(wholeProgress);
+    Q_EMIT signalCurrentPacakgeProgressChanged(static_cast<int>(progress));
+    Q_EMIT signalWholeProgressChanged(static_cast<int>(wholeProgress));
 }
 
 void UabPackageListModel::slotBackendProcessFinished(bool success)
@@ -357,11 +385,13 @@ void UabPackageListModel::slotBackendProcessFinished(bool success)
 
     // update installed status
     setCurrentOperation(success ? Pkg::Success : Pkg::Failed);
+    // update all data
+    Q_EMIT dataChanged(index(m_operatingIndex), index(m_operatingIndex));
 
     // update progress
-    float base = kCompleteProgress / rowCount();
-    Q_EMIT signalCurrentPacakgeProgressChanged(kCompleteProgress);
-    Q_EMIT signalWholeProgressChanged(base * (m_operatingIndex + 1));
+    const float base = kCompleteProgress / rowCount();
+    Q_EMIT signalCurrentPacakgeProgressChanged(static_cast<int>(kCompleteProgress));
+    Q_EMIT signalWholeProgressChanged(static_cast<int>(base * (m_operatingIndex + 1)));
 
     switch (m_workerStatus) {
         case WorkerProcessing:
@@ -457,4 +487,25 @@ bool UabPackageListModel::linglongExists()
     return true;
 }
 
+void UabPackageListModel::slotFileChanged(const QString &filePath)
+{
+    auto findItr = std::find_if(m_uabPkgList.begin(), m_uabPkgList.end(), [&](const UabPackage::Ptr &uabPtr) {
+        if (uabPtr && uabPtr->isValid()) {
+            return uabPtr->info()->filePath == filePath;
+        }
+        return false;
+    });
+
+    if (findItr != m_uabPkgList.end()) {
+        const QFileInfo info((*findItr)->info()->filePath);
+        if (!info.exists()) {
+            (*findItr)->markNotExists();
+            removePackage(static_cast<int>(std::distance(findItr, m_uabPkgList.begin())));
+            m_fileWatcher->removePath(filePath);
+
+            Q_EMIT signalPackageCannotFind(info.fileName());
+        }
+    }
+}
+
 }  // namespace Uab
diff --git a/src/deb-installer/uab/uab_package_list_model.h b/src/deb-installer/uab/uab_package_list_model.h
index f64bf45c..ac9e4a7d 100644
--- a/src/deb-installer/uab/uab_package_list_model.h
+++ b/src/deb-installer/uab/uab_package_list_model.h
@@ -11,6 +11,8 @@
 #include "uab_process_controller.h"
 #include "model/abstract_package_list_model.h"
 
+class QFileSystemWatcher;
+
 namespace Uab {
 
 class UabPackageListModel : public AbstractPackageListModel
@@ -30,6 +32,7 @@ class UabPackageListModel : public AbstractPackageListModel
     Pkg::DependsStatus checkDependsStatus(const QString &packagePath) override;
     QStringList getPackageInfo(const QString &packagePath) override;
     QString lastProcessError() override;
+    bool containsSignatureFailed() const override;
 
     Q_SLOT bool slotInstallPackages() override;
     Q_SLOT bool slotUninstallPackage(int index) override;
@@ -49,12 +52,16 @@ class UabPackageListModel : public AbstractPackageListModel
     bool packageExists(const UabPackage::Ptr &uabPtr) const;
     bool linglongExists();
 
+    Q_SLOT void slotFileChanged(const QString &filePath);
+
 private:
     int m_operatingIndex{-1};
     QList<UabPackage::Ptr> m_uabPkgList;
     UabProcessController *m_processor{nullptr};
 
     QStringList m_delayAppendPackages;  // wait for backend inited.
+
+    QFileSystemWatcher *m_fileWatcher{nullptr};
 };
 
 }  // namespace Uab
diff --git a/src/deb-installer/utils/hierarchicalverify.cpp b/src/deb-installer/utils/hierarchicalverify.cpp
index 196885ee..3748e992 100644
--- a/src/deb-installer/utils/hierarchicalverify.cpp
+++ b/src/deb-installer/utils/hierarchicalverify.cpp
@@ -3,7 +3,8 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 #include "hierarchicalverify.h"
-#include "hierarchicalverify.h"
+
+#include <mutex>
 
 #include <QDBusInterface>
 #include <QDBusReply>
@@ -44,9 +45,9 @@ enum HierarchicalError {
        安装器接收输出信息并判断是否为验签错误。
  */
 
-HierarchicalVerify::HierarchicalVerify() { }
+HierarchicalVerify::HierarchicalVerify() {}
 
-HierarchicalVerify::~HierarchicalVerify() { }
+HierarchicalVerify::~HierarchicalVerify() {}
 
 /**
    @return 返回分级管控签名校验辅助类实例
@@ -66,17 +67,20 @@ bool HierarchicalVerify::isValid()
         return false;
     }
 
-    bool availabled = checkHierarchicalInterface();
-    if (valid != availabled) {
-        valid = availabled;
+    static std::once_flag checkFlag;
+    std::call_once(checkFlag, [this]() {
+        const bool availabled = checkHierarchicalInterface();
+        if (valid != availabled) {
+            valid = availabled;
 
-        // 分级验签不可用时，清理当前缓存数据
-        if (!valid) {
-            clearVerifyResult();
-        }
+            // if the hierarchical signature verification is not available, clear cache.
+            if (!valid) {
+                clearVerifyResult();
+            }
 
-        Q_EMIT validChanged(valid);
-    }
+            Q_EMIT validChanged(valid);
+        }
+    });
 
     return valid;
 }
diff --git a/src/deb-installer/utils/utils.cpp b/src/deb-installer/utils/utils.cpp
index 8f0fd4c9..6b00912b 100644
--- a/src/deb-installer/utils/utils.cpp
+++ b/src/deb-installer/utils/utils.cpp
@@ -416,6 +416,22 @@ bool Utils::isDevelopMode()
     return kIsDevelopMode;
 }
 
+/**
+ * @brief Mark whether the wine pre-dependency is being installed.
+ *        Not thread-safe.
+ */
+static bool kWinePreDependsStatus = false;
+
+bool GlobalStatus::winePreDependsInstalling()
+{
+    return kWinePreDependsStatus;
+}
+
+void GlobalStatus::setWinePreDependsInstalling(bool b)
+{
+    kWinePreDependsStatus = b;
+}
+
 DebApplicationHelper *DebApplicationHelper::instance()
 {
     static DebApplicationHelper *phelper = new DebApplicationHelper;
diff --git a/src/deb-installer/utils/utils.h b/src/deb-installer/utils/utils.h
index 439c94f4..63c335b6 100644
--- a/src/deb-installer/utils/utils.h
+++ b/src/deb-installer/utils/utils.h
@@ -75,4 +75,12 @@ class Utils : public QObject
     static bool isDevelopMode();  // Check if develop mode (root)
 };
 
+class GlobalStatus
+{
+public:
+    // wine depends installing flag
+    static bool winePreDependsInstalling();
+    static void setWinePreDependsInstalling(bool b);
+};
+
 #endif
diff --git a/src/deb-installer/view/pages/debinstaller.cpp b/src/deb-installer/view/pages/debinstaller.cpp
index e015b194..e440f008 100644
--- a/src/deb-installer/view/pages/debinstaller.cpp
+++ b/src/deb-installer/view/pages/debinstaller.cpp
@@ -7,6 +7,7 @@
 #include "model/packageanalyzer.h"
 #include "model/proxy_package_list_model.h"
 #include "view/widgets/filechoosewidget.h"
+#include "view/widgets/error_notify_dialog_helper.h"
 #include "view/pages/multipleinstallpage.h"
 #include "view/pages/singleinstallpage.h"
 #include "view/pages/uninstallconfirmpage.h"
@@ -170,7 +171,7 @@ void DebInstaller::initConnections()
 
     // During installing/uninstalling, drag is not allowed
     connect(m_fileListModel, &DebListModel::signalWorkerStart, this, &DebInstaller::disableCloseAndExit);
-    connect(m_fileListModel, &DebListModel::signalWorkerFinished, this, &DebInstaller::slotChangeDragFlag);
+    connect(m_fileListModel, &DebListModel::signalWorkerFinished, this, &DebInstaller::slotWorkerFinished);
     connect(m_fileListModel, &DebListModel::signalPackageCannotFind, this, &DebInstaller::slotShowPkgRemovedMessage);
 
     // 选择安装页面
@@ -421,6 +422,15 @@ void DebInstaller::slotShowPkgProcessBlockPage(BackendProcessPage::DisplayMode m
     }
 }
 
+void DebInstaller::slotWorkerFinished()
+{
+    if (m_fileListModel->containsSignatureFailed()) {
+        ErrorNotifyDialogHelper::showHierarchicalVerifyWindow();
+    }
+
+    slotChangeDragFlag();
+}
+
 void DebInstaller::disableCloseAndExit()
 {
     titlebar()->setDisableFlags(Qt::WindowCloseButtonHint);  // 设置标题栏中的关闭按钮不可用
diff --git a/src/deb-installer/view/pages/debinstaller.h b/src/deb-installer/view/pages/debinstaller.h
index 19224012..1cfc3062 100644
--- a/src/deb-installer/view/pages/debinstaller.h
+++ b/src/deb-installer/view/pages/debinstaller.h
@@ -243,6 +243,9 @@ private slots:
      */
     void slotShowPkgProcessBlockPage(BackendProcessPage::DisplayMode mode, int currentRate, int pkgCount);
 
+    // install / unisntall finished
+    void slotWorkerFinished();
+
 private:
     /**
      * @brief initUI
diff --git a/src/deb-installer/view/pages/multipleinstallpage.cpp b/src/deb-installer/view/pages/multipleinstallpage.cpp
index 86aac783..3262b37a 100644
--- a/src/deb-installer/view/pages/multipleinstallpage.cpp
+++ b/src/deb-installer/view/pages/multipleinstallpage.cpp
@@ -338,8 +338,7 @@ void MultipleInstallPage::initConnections()
         QVariant data = m_debListModel->data(index, AbstractPackageListModel::PackageDependsDetailRole);
         auto depends = data.value<Pkg::DependsPair>();
 
-        // TODO: implement later
-        slotDependPackages(depends, false);
+        slotDependPackages(depends, GlobalStatus::winePreDependsInstalling());
     });
 }
 
diff --git a/src/deb-installer/view/pages/singleinstallpage.cpp b/src/deb-installer/view/pages/singleinstallpage.cpp
index 9982525e..21ed8070 100644
--- a/src/deb-installer/view/pages/singleinstallpage.cpp
+++ b/src/deb-installer/view/pages/singleinstallpage.cpp
@@ -779,8 +779,7 @@ void SingleInstallPage::slotRefreshSinglePackageDepends()
         QVariant data = m_packagesModel->data(index, AbstractPackageListModel::PackageDependsDetailRole);
         auto depends = data.value<Pkg::DependsPair>();
 
-        // TODO: implement later
-        slotDependPackages(depends, false);
+        slotDependPackages(depends, GlobalStatus::winePreDependsInstalling());
     }
 }
 
diff --git a/src/deb-installer/view/widgets/error_notify_dialog_helper.cpp b/src/deb-installer/view/widgets/error_notify_dialog_helper.cpp
new file mode 100644
index 00000000..b0c096a4
--- /dev/null
+++ b/src/deb-installer/view/widgets/error_notify_dialog_helper.cpp
@@ -0,0 +1,76 @@
+// SPDX-FileCopyrightText: 2024 UnionTech Software Technology Co., Ltd.
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "error_notify_dialog_helper.h"
+
+#include <QStyle>
+#include <QLabel>
+#include <QPushButton>
+
+#include <DDialog>
+
+#include "utils/hierarchicalverify.h"
+
+DWIDGET_USE_NAMESPACE
+
+static const int kDefaultDialogWidth = 380;
+
+/**
+ * @class ErrorNotifyDialogHelper
+ * @brief A helper class to show the error notify dialog.
+ */
+ErrorNotifyDialogHelper::ErrorNotifyDialogHelper(QObject *parent)
+    : QObject{parent}
+{
+}
+
+void ErrorNotifyDialogHelper::showHierarchicalVerifyWindow()
+{
+    if (!HierarchicalVerify::instance()->isValid()) {
+        return;
+    }
+
+    DDialog *dialog = new DDialog();
+    // limit the display width
+    dialog->setFixedWidth(kDefaultDialogWidth);
+    dialog->setFocusPolicy(Qt::TabFocus);
+    dialog->setModal(true);
+    dialog->setWindowFlag(Qt::WindowStaysOnTopHint);
+
+    // set the information displayed by the pop-up window
+    dialog->setTitle(QObject::tr("Unable to install"));
+    dialog->setMessage(
+        QObject::tr("This package does not have a valid digital signature and has been blocked from installing/running. "
+                    "Go to Security Center > Tools > App Security to change the settings."));
+    dialog->setIcon(QIcon::fromTheme("di_popwarning"));
+    dialog->addButton(QObject::tr("Cancel", "button"), false, DDialog::ButtonNormal);
+    dialog->addButton(QObject::tr("Proceed", "button"), true, DDialog::ButtonRecommend);
+    dialog->show();
+
+    // Copy from ddialog.cpp, used to set the default dialog height.
+    // Avoid incomplete display at large font size/high zoom ratio, called after show().
+    auto *msgLabel = dialog->findChild<QLabel *>("MessageLabel");
+    if (msgLabel) {
+        auto *dialogStyle = dialog->style();
+        if (dialogStyle) {
+            const QSize sz =
+                dialogStyle->itemTextRect(msgLabel->fontMetrics(), msgLabel->rect(), Qt::TextWordWrap, false, msgLabel->text())
+                    .size();
+            msgLabel->setMinimumHeight(qMax(sz.height(), msgLabel->sizeHint().height()));
+        }
+    }
+
+    auto *btnPorceed = qobject_cast<QPushButton *>(dialog->getButton(1));
+    if (btnPorceed) {
+        btnPorceed->setFocusPolicy(Qt::TabFocus);
+        btnPorceed->setFocus();
+    }
+
+    connect(dialog, &DDialog::finished, [dialog](int result) {
+        if (QDialog::Accepted == result) {
+            HierarchicalVerify::instance()->proceedDefenderSafetyPage();
+        }
+        dialog->deleteLater();
+    });
+}
diff --git a/src/deb-installer/view/widgets/error_notify_dialog_helper.h b/src/deb-installer/view/widgets/error_notify_dialog_helper.h
new file mode 100644
index 00000000..3b3f4d92
--- /dev/null
+++ b/src/deb-installer/view/widgets/error_notify_dialog_helper.h
@@ -0,0 +1,24 @@
+// SPDX-FileCopyrightText: 2024 UnionTech Software Technology Co., Ltd.
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef ERROR_NOTIFY_DIALOG_HELPER_H
+#define ERROR_NOTIFY_DIALOG_HELPER_H
+
+#include <QObject>
+
+// popup error dialogs, support deb / uab packages
+class ErrorNotifyDialogHelper : public QObject
+{
+    Q_OBJECT
+public:
+    explicit ErrorNotifyDialogHelper(QObject *parent = nullptr);
+    ~ErrorNotifyDialogHelper() override = default;
+
+    static void showHierarchicalVerifyWindow();
+
+private:
+    Q_DISABLE_COPY_MOVE(ErrorNotifyDialogHelper);
+};
+
+#endif  // ERROR_NOTIFY_DIALOG_HELPER_H
diff --git a/tests/src/manager/ut_packagemanager.cpp b/tests/src/manager/ut_packagemanager.cpp
index 312fab9c..92cae430 100644
--- a/tests/src/manager/ut_packagemanager.cpp
+++ b/tests/src/manager/ut_packagemanager.cpp
@@ -10,6 +10,7 @@
 #include "../deb-installer/manager/AddPackageThread.h"
 #include "../deb-installer/model/deblistmodel.h"
 #include "../deb-installer/model/packageanalyzer.h"
+#include "../deb-installer/utils/utils.h"
 
 #include <stub.h>
 #include <QFuture>
@@ -875,7 +876,8 @@ TEST_F(UT_packagesManager, PackageManager_UT_packageInstallStatus_01)
 
     m_packageManager->appendPackage({"/1"});
     ASSERT_EQ(m_packageManager->packageInstallStatus(0), 0);
-    ASSERT_EQ(Pkg::PackageInstallStatus::NotInstalled, m_packageManager->m_packageInstallStatus[m_packageManager->m_packageMd5.value(0)]);
+    ASSERT_EQ(Pkg::PackageInstallStatus::NotInstalled,
+              m_packageManager->m_packageInstallStatus[m_packageManager->m_packageMd5.value(0)]);
 }
 
 TEST_F(UT_packagesManager, PackageManager_UT_packageInstallStatus_02)
@@ -987,13 +989,13 @@ TEST_F(UT_packagesManager, PackageManager_UT_DealDependResult)
     m_packageManager->slotDealDependResult(5, 0, "");
     EXPECT_EQ(Pkg::DependsStatus::DependsBreak,
               m_packageManager->m_packageMd5DependsStatus[m_packageManager->m_dependInstallMark[0]].status);
-    m_packageManager->installWineDepends = true;
+    GlobalStatus::setWinePreDependsInstalling(true);
     m_packageManager->slotDealDependResult(5, 0, "");
     EXPECT_EQ(Pkg::DependsStatus::DependsBreak,
               m_packageManager->m_packageMd5DependsStatus[m_packageManager->m_dependInstallMark[0]].status);
     m_packageManager->m_preparedPackages.append({"1", "2"});
     m_packageManager->slotDealDependResult(5, 0, "");
-    EXPECT_FALSE(m_packageManager->installWineDepends);
+    EXPECT_FALSE(GlobalStatus::winePreDependsInstalling());
     EXPECT_EQ(Pkg::DependsStatus::DependsBreak,
               m_packageManager->m_packageMd5DependsStatus[m_packageManager->m_dependInstallMark[0]].status);
 }
diff --git a/tests/src/model/ut_deblistmodel.cpp b/tests/src/model/ut_deblistmodel.cpp
index bcb1f03e..cfc8189b 100644
--- a/tests/src/model/ut_deblistmodel.cpp
+++ b/tests/src/model/ut_deblistmodel.cpp
@@ -10,6 +10,7 @@
 #include "../deb-installer/utils/utils.h"
 #include "../deb-installer/utils/result.h"
 #include "../deb-installer/utils/hierarchicalverify.h"
+#include "../deb-installer/view/widgets/error_notify_dialog_helper.h"
 
 #include <stub.h>
 
@@ -858,7 +859,8 @@ TEST_F(ut_DebListModel_test, deblistmodel_UT_DealDependResult)
 TEST_F(ut_DebListModel_test, deblistmodel_UT_DealDependResult_VerifyDependsErr)
 {
     Stub tmpStub;
-    tmpStub.set(ADDR(DebListModel, showHierarchicalVerifyWindow), stub_DebListModel_showHierarchicalVerifyWindow_DoNothing);
+    tmpStub.set(ADDR(ErrorNotifyDialogHelper, showHierarchicalVerifyWindow),
+                stub_DebListModel_showHierarchicalVerifyWindow_DoNothing);
 
     g_VerifyDeependErrCount = 0;
     m_debListModel->slotDealDependResult(DebListModel::VerifyDependsErr, 0, "");
@@ -895,7 +897,7 @@ TEST_F(ut_DebListModel_test, deblistmodel_UT_bumpInstallIndex)
     EXPECT_EQ("", m_debListModel->m_operatingPackageMd5);
 }
 
-TEST_F(ut_DebListModel_test, deblistmodel_UT_bumpInstallIndex_showHierarchicalVerifyWindow)
+TEST_F(ut_DebListModel_test, deblistmodel_UT_slotInstallPackages_resetHierarchicalVerify)
 {
     stub.set(ADDR(DebListModel, installNextDeb), model_installNextDeb);
     m_debListModel->m_operatingIndex = 0;
@@ -903,12 +905,7 @@ TEST_F(ut_DebListModel_test, deblistmodel_UT_bumpInstallIndex_showHierarchicalVe
     m_debListModel->m_packageMd5.append("1");
     m_debListModel->m_hierarchicalVerifyError = true;
 
-    Stub tmpStub;
-    tmpStub.set(ADDR(DebListModel, showHierarchicalVerifyWindow), stub_DebListModel_showHierarchicalVerifyWindow_DoNothing);
-
-    g_VerifyDeependErrCount = 0;
-    m_debListModel->bumpInstallIndex();
-    EXPECT_EQ(g_VerifyDeependErrCount, 1);
+    m_debListModel->slotInstallPackages();
     EXPECT_FALSE(m_debListModel->m_hierarchicalVerifyError);
 }