diff --git a/src/dcc-update-plugin/operation/updateiteminfo.cpp b/src/dcc-update-plugin/operation/updateiteminfo.cpp
index 9cab147f..f8488dc3 100644
--- a/src/dcc-update-plugin/operation/updateiteminfo.cpp
+++ b/src/dcc-update-plugin/operation/updateiteminfo.cpp
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2023 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2023 - 2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: LGPL-3.0-or-later
 
@@ -104,6 +104,11 @@ void UpdateItemInfo::addDetailInfo(DetailInfo detailInfo)
     m_detailInfos.append(std::move(detailInfo));
 }
 
+void UpdateItemInfo::clearDetailInfos()
+{
+    m_detailInfos.clear();
+}
+
 void UpdateItemInfo::setPackages(const QStringList& packages)
 {
     qCDebug(logDccUpdatePlugin) << "Set packages count:" << packages.size() << "for item:" << m_name;
diff --git a/src/dcc-update-plugin/operation/updateiteminfo.h b/src/dcc-update-plugin/operation/updateiteminfo.h
index e41b54f9..add3d0b7 100644
--- a/src/dcc-update-plugin/operation/updateiteminfo.h
+++ b/src/dcc-update-plugin/operation/updateiteminfo.h
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2023 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2023 - 2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: LGPL-3.0-or-later
 
@@ -50,6 +50,7 @@ class UpdateItemInfo : public QObject {
     QList<DetailInfo> detailInfos() const;
     void setDetailInfos(QList<DetailInfo>& detailInfos);
     void addDetailInfo(DetailInfo detailInfo);
+    void clearDetailInfos();
 
     void setUpdateModeEnabled(bool enable) { m_enabled = enable; }
     bool isUpdateModeEnabled() const { return m_enabled; }
diff --git a/src/dcc-update-plugin/operation/updateloghelper.cpp b/src/dcc-update-plugin/operation/updateloghelper.cpp
index 24640c21..e0c5372b 100644
--- a/src/dcc-update-plugin/operation/updateloghelper.cpp
+++ b/src/dcc-update-plugin/operation/updateloghelper.cpp
@@ -95,6 +95,7 @@ void UpdateLogHelper::handleSystem(const QJsonArray &log)
 void UpdateLogHelper::handleSecurity(const QJsonObject &log)
 {
     qCDebug(logDccUpdatePlugin) << "Handling security log with" << log.keys().size() << "entries";
+    m_securityLog.clear();
     for (const auto& key : log.keys()) {
         const auto& obj = log.value(key).toObject();
         if (obj.isEmpty())
@@ -141,6 +142,8 @@ void UpdateLogHelper::handleSystemItemInfo(UpdateItemInfo *itemInfo) const
         return;
     }
 
+    itemInfo->setCurrentVersion("");
+    itemInfo->clearDetailInfos();
     for (const auto &log : m_systemLog) {
         const QString& explain = getLanguageType() == "CN" ? log.cnLog : log.enLog;
         itemInfo->setBaseline(log.baseline);
@@ -170,6 +173,7 @@ void UpdateLogHelper::handleSecurityItemInfo(UpdateItemInfo *itemInfo) const
         return;
     }
 
+    itemInfo->clearDetailInfos();
     QMap<VulLevel, int> vulCount;
     for (const auto &log : m_securityLog) {
         // 写入最近的更新