diff --git a/panels/dock/taskmanager/dconfig/org.deepin.ds.dock.taskmanager.json b/panels/dock/taskmanager/dconfig/org.deepin.ds.dock.taskmanager.json
index 3ac48dc91..e00e6d83d 100644
--- a/panels/dock/taskmanager/dconfig/org.deepin.ds.dock.taskmanager.json
+++ b/panels/dock/taskmanager/dconfig/org.deepin.ds.dock.taskmanager.json
@@ -96,6 +96,17 @@
 			"description": "The items which is docked when dock is started.",
 			"permissions": "readwrite",
 			"visibility": "private"
+		},
+		"windowIconWhitelist": {
+			"value": ["com.tencent.wechat"],
+			"serial": 0,
+			"flags": [],
+			"name": "windowIconWhitelist",
+			"name[zh_CN]": "窗口图标白名单",
+			"description": "List of app id that should prefer window icon when window split is disabled",
+			"permissions": "readwrite",
+			"visibility": "private"
 		}
+		
 	}
 }
diff --git a/panels/dock/taskmanager/dockcombinemodel.cpp b/panels/dock/taskmanager/dockcombinemodel.cpp
index cba9d77be..aa18a0655 100644
--- a/panels/dock/taskmanager/dockcombinemodel.cpp
+++ b/panels/dock/taskmanager/dockcombinemodel.cpp
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2025 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2025 - 2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -7,7 +7,7 @@
 #include "globals.h"
 #include "rolecombinemodel.h"
 #include "taskmanager.h"
-
+#include "taskmanagersettings.h"
 namespace dock
 {
 DockCombineModel::DockCombineModel(QAbstractItemModel *major, QAbstractItemModel *minor, int majorRoles, CombineFunc func, QObject *parent)
@@ -55,7 +55,16 @@ QVariant DockCombineModel::data(const QModelIndex &index, int role) const
         return res;
     }
     case TaskManager::IconNameRole: {
-        QString winTitle = RoleCombineModel::data(index, m_roleMaps.value(TaskManager::WinIconRole)).toString();
+        if (TaskManagerSettings::instance()->isWindowSplit()) {
+            auto desktopId = data(index, TaskManager::DesktopIdRole).toString();
+            auto whitelist = TaskManagerSettings::instance()->windowIconWhitelist();
+            if (whitelist.contains(desktopId)) {
+                auto winIcon = RoleCombineModel::data(index, m_roleMaps.value(TaskManager::WinIconRole)).toString();
+                if (!winIcon.isEmpty()) {
+                    return winIcon;
+                }
+            }
+        }
         auto icon = RoleCombineModel::data(index, m_roleMaps.value(TaskManager::IconNameRole)).toString();
         if (icon.isEmpty()) {
             icon = RoleCombineModel::data(index, m_roleMaps.value(TaskManager::WinIconRole)).toString();
diff --git a/panels/dock/taskmanager/dockitemmodel.cpp b/panels/dock/taskmanager/dockitemmodel.cpp
index d05965260..55d7316e7 100644
--- a/panels/dock/taskmanager/dockitemmodel.cpp
+++ b/panels/dock/taskmanager/dockitemmodel.cpp
@@ -48,17 +48,9 @@ void DockItemModel::setSourceModel(QAbstractItemModel *model)
         sourceModel()->disconnect(this);
     }
 
-    auto currentCount = this->rowCount();
-    auto newCount = model->rowCount();
+    beginResetModel();
     QAbstractProxyModel::setSourceModel(model);
-
-    if (newCount > currentCount) {
-        beginInsertRows(QModelIndex(), currentCount, newCount - 1);
-        endInsertRows();
-    } else if (newCount < currentCount) {
-        beginRemoveRows(QModelIndex(), newCount, currentCount);
-        endRemoveRows();
-    }
+    endResetModel();
 
     connect(sourceModel(), &QAbstractItemModel::rowsInserted, this, [this](const QModelIndex &parent, int first, int last) {
         if (parent.isValid() || m_isUpdating)
@@ -87,8 +79,6 @@ void DockItemModel::setSourceModel(QAbstractItemModel *model)
         endMoveRows();
     });
 
-    auto bottomRight = this->index(std::min(currentCount, newCount), 0);
-    Q_EMIT dataChanged(index(0, 0), bottomRight);
     m_isUpdating = false;
 }
 
diff --git a/panels/dock/taskmanager/globals.h b/panels/dock/taskmanager/globals.h
index 6db543a09..74509a1ab 100644
--- a/panels/dock/taskmanager/globals.h
+++ b/panels/dock/taskmanager/globals.h
@@ -26,6 +26,7 @@ static inline const QString TASKMANAGER_CGROUPS_BASED_GROUPING_SKIP_APPIDS = "cg
 static inline const QString TASKMANAGER_CGROUPS_BASED_GROUPING_SKIP_CATEGORIES = "cgroupsBasedGroupingSkipCategories";
 static inline const QString TASKMANAGER_DOCKEDITEMS_KEY = "Docked_Items";
 constexpr auto TASKMANAGER_DOCKEDELEMENTS_KEY = "dockedElements";
+constexpr auto TASKMANAGER_WINDOW_ICON_WHITELIST_KEY = "windowIconWhitelist";
 
 // model roleNames
 constexpr auto MODEL_WINID = "winId";
diff --git a/panels/dock/taskmanager/taskmanagersettings.cpp b/panels/dock/taskmanager/taskmanagersettings.cpp
index bbc76f83c..52aa69689 100644
--- a/panels/dock/taskmanager/taskmanagersettings.cpp
+++ b/panels/dock/taskmanager/taskmanagersettings.cpp
@@ -68,6 +68,7 @@ TaskManagerSettings::TaskManagerSettings(QObject *parent)
     m_dockedElements = m_taskManagerDconfig->value(TASKMANAGER_DOCKEDELEMENTS_KEY, {}).toStringList();
     m_cgroupsBasedGroupingSkipAppIds = m_taskManagerDconfig->value(TASKMANAGER_CGROUPS_BASED_GROUPING_SKIP_APPIDS, {"deepin-terminal"}).toStringList();
     m_cgroupsBasedGroupingSkipCategories = m_taskManagerDconfig->value(TASKMANAGER_CGROUPS_BASED_GROUPING_SKIP_CATEGORIES, {"TerminalEmulator"}).toStringList();
+    m_windowIconWhitelist = m_taskManagerDconfig->value(TASKMANAGER_WINDOW_ICON_WHITELIST_KEY, {"com.tencent.wechat"}).toStringList();
     migrateFromDockedItems();
 }
 
@@ -113,6 +114,11 @@ QStringList TaskManagerSettings::cgroupsBasedGroupingSkipCategories() const
     return m_cgroupsBasedGroupingSkipCategories;
 }
 
+QStringList TaskManagerSettings::windowIconWhitelist() const
+{
+    return m_windowIconWhitelist;
+}
+
 QStringList TaskManagerSettings::dockedElements() const
 {
     return m_dockedElements;
diff --git a/panels/dock/taskmanager/taskmanagersettings.h b/panels/dock/taskmanager/taskmanagersettings.h
index 7a0b6e405..168995f5b 100644
--- a/panels/dock/taskmanager/taskmanagersettings.h
+++ b/panels/dock/taskmanager/taskmanagersettings.h
@@ -35,6 +35,8 @@ class TaskManagerSettings : public QObject
     QStringList cgroupsBasedGroupingSkipIds() const;
     QStringList cgroupsBasedGroupingSkipCategories() const;
 
+    QStringList windowIconWhitelist() const;
+
     void setDockedElements(const QStringList &elements);
     void toggleDockedElement(const QString &element);
     void appendDockedElement(const QString &element);
@@ -64,6 +66,7 @@ class TaskManagerSettings : public QObject
     bool m_windowSplit;
     bool m_cgroupsBasedGrouping;
     QStringList m_dockedElements;
+    QStringList m_windowIconWhitelist;
     QStringList m_cgroupsBasedGroupingSkipAppIds;
     QStringList m_cgroupsBasedGroupingSkipCategories;
 };