diff --git a/qml/FolderGridItem.qml b/qml/FolderGridItem.qml
index 21fa234..62197f4 100644
--- a/qml/FolderGridItem.qml
+++ b/qml/FolderGridItem.qml
@@ -87,8 +87,8 @@ Item {
             ColorOverlay {
                 anchors.fill: _icon
                 source: _icon
-                color: Qt.lighter(FishUI.Theme.highlightColor, 1.6)
-                opacity: FishUI.Theme.darkMode ? 0.4 : 0.6
+                color: "white"
+                opacity: FishUI.Theme.darkMode ? 0.3 : 0.4
                 visible: control.hovered && !control.selected
             }
         }
@@ -121,8 +121,8 @@ Item {
             ColorOverlay {
                 anchors.fill: _image
                 source: _image
-                color: Qt.lighter(FishUI.Theme.highlightColor, 1.6)
-                opacity: FishUI.Theme.darkMode ? 0.4 : 0.6
+                color: "white"
+                opacity: FishUI.Theme.darkMode ? 0.3 : 0.4
                 visible: control.hovered && !control.selected
             }
 
diff --git a/qml/FolderGridView.qml b/qml/FolderGridView.qml
index dc7e5d1..92353fe 100644
--- a/qml/FolderGridView.qml
+++ b/qml/FolderGridView.qml
@@ -64,6 +64,8 @@ GridView {
 
     signal keyPress(var event)
 
+    cacheBuffer: Math.max(0, contentHeight)
+
     onIconSizeChanged: {
         // 图标大小改变时需要重置状态，否则选中定位不准确
         positioner.reset()
diff --git a/qml/main.qml b/qml/main.qml
index dc7d8a2..b01ccc8 100644
--- a/qml/main.qml
+++ b/qml/main.qml
@@ -34,8 +34,8 @@ FishUI.Window {
     visible: true
     title: qsTr("File Manager")
 
-    headerBarHeight: 35 + FishUI.Units.smallSpacing * 3
-    backgroundColor: FishUI.Theme.darkMode ? "#262626" : "#F3F4F9"
+    header.height: 35 + FishUI.Units.smallSpacing * 3
+    background.color: FishUI.Theme.darkMode ? "#262626" : "#F3F4F9"
 
     property QtObject settings: GlobalSettings { }
 
@@ -51,7 +51,7 @@ FishUI.Window {
         id: optionsMenu
     }
 
-    headerBar: Item {
+    headerItem: Item {
         RowLayout {
             anchors.fill: parent
             anchors.leftMargin: FishUI.Units.smallSpacing * 1.5