diff --git a/panels/dock/taskmanager/package/AppItem.qml b/panels/dock/taskmanager/package/AppItem.qml
index 73c252b2a..e2bb2fd49 100644
--- a/panels/dock/taskmanager/package/AppItem.qml
+++ b/panels/dock/taskmanager/package/AppItem.qml
@@ -42,7 +42,7 @@ Item {
     property int iconSize: Panel.rootObject.dockItemMaxSize * 9 / 14
     property bool enableTitle: false
     property bool titleActive: enableTitle && titleLoader.active
-
+    property int appTitleSpacing: 0
     property var iconGlobalPoint: {
         var a = icon
         var x = 0, y = 0
@@ -79,7 +79,7 @@ Item {
     Control {
         anchors.fill: parent
         id: appItem
-        implicitWidth: root.titleActive ? (iconContainer.width + 4 + titleLoader.width) : iconContainer.width
+        implicitWidth: root.titleActive ? (iconContainer.width + titleLoader.width + root.appTitleSpacing) : iconContainer.width
         visible: !root.Drag.active // When in dragging, hide app item
 
         Item {
@@ -273,6 +273,7 @@ Item {
         }
 
         HoverHandler {
+            id: hoverHandler
             onHoveredChanged: function () {
                 if (hovered) {
                     root.onEntered()
diff --git a/panels/dock/taskmanager/package/TaskManager.qml b/panels/dock/taskmanager/package/TaskManager.qml
index a691a969e..698c5c168 100644
--- a/panels/dock/taskmanager/package/TaskManager.qml
+++ b/panels/dock/taskmanager/package/TaskManager.qml
@@ -16,6 +16,10 @@ ContainmentItem {
     property int dockOrder: 16
     property real remainingSpacesForTaskManager: Panel.itemAlignment === Dock.LeftAlignment ? Panel.rootObject.dockLeftSpaceForCenter : Panel.rootObject.dockRemainingSpaceForCenter
 
+    readonly property int appItemIconSize: Math.round(Panel.rootObject.dockItemMaxSize * 9 / 14)
+    readonly property int appItemCellWidth: Math.round(Panel.rootObject.dockItemMaxSize * 0.8)
+    readonly property int appItemSpacing: Math.max(0, Math.max(10, Math.round(appItemIconSize / 3)) - Math.max(0, appItemCellWidth - appItemIconSize))
+    readonly property int appTitleSpacing: Math.max(10, appItemIconSize / 3)
     property real remainingSpacesForSplitWindow: Panel.rootObject.dockLeftSpaceForCenter - (
         (Panel.rootObject.dockCenterPartCount - 1) * (visualModel.cellWidth + appContainer.spacing) + (Panel.rootObject.dockCenterPartCount) * Panel.rootObject.dockPartSpacing)
     // 用于居中计算的实际应用区域尺寸
@@ -73,7 +77,7 @@ ContainmentItem {
         id: appContainer
         anchors.fill: parent
         useColumnLayout: taskmanager.useColumnLayout
-        spacing: Panel.rootObject.itemSpacing + visualModel.count % 2
+        spacing: taskmanager.appItemSpacing
         remove: Transition {
             NumberAnimation {
                 properties: "scale,opacity"
@@ -173,6 +177,7 @@ ContainmentItem {
                     blendOpacity: taskmanager.blendOpacity
                     title: delegateRoot.title
                     enableTitle: textCalculator.enabled
+                    appTitleSpacing: taskmanager.appTitleSpacing
                     ListView.delayRemove: Drag.active
                     Component.onCompleted: {
                         dropFilesOnItem.connect(taskmanager.Applet.dropFilesOnItem)