diff --git a/src/boot/AppInitializer.py b/src/boot/AppInitializer.py
index 4c0440e..11f8a50 100644
--- a/src/boot/AppInitializer.py
+++ b/src/boot/AppInitializer.py
@@ -12,7 +12,11 @@ import os
 from PySide6.QtCore import QStandardPaths, QDir
 from PySide6.QtWidgets import QApplication
 
-from gui.ALSettingsWidget import _applyTheme
+from gui.ALSettingsWidget import (
+    _setActiveStyleName,
+    _applyTheme,
+    _applyQss,
+)
 from interfaces.ConfigProvider import CfgKey
 from managers.config.ConfigManager import instance as configInstance
 from managers.driver.WebDriverManager import instance as webdriverInstance
@@ -76,7 +80,10 @@ def _initializeAppearance(
     cfg = configInstance()
     saved_style = cfg.get(CfgKey.GLOBAL.APPEARANCE.STYLE, "Fusion")
     saved_theme = cfg.get(CfgKey.GLOBAL.APPEARANCE.THEME, "system")
+    saved_qss = cfg.get(CfgKey.GLOBAL.APPEARANCE.CUSTOM_QSS, "")
     app.setStyle(saved_style)
+    _setActiveStyleName(saved_style)
+    _applyQss(saved_qss)
     _applyTheme(saved_theme)
 
 def initializeApp(
diff --git a/src/gui/ALSettingsWidget.py b/src/gui/ALSettingsWidget.py
index 1fe44fb..6ce37d2 100644
--- a/src/gui/ALSettingsWidget.py
+++ b/src/gui/ALSettingsWidget.py
@@ -26,7 +26,6 @@ from PySide6.QtWidgets import (
     QApplication,
     QFileDialog,
     QMessageBox,
-    QStyle,
     QStyleFactory,
     QWidget
 )
@@ -40,6 +39,16 @@ from interfaces.ConfigProvider import (
 )
 
 
+_active_style_name = ""
+
+
+def _setActiveStyleName(
+    name: str
+):
+
+    global _active_style_name
+    _active_style_name = name
+
 def _clearQss(
 ):
 
@@ -76,6 +85,7 @@ def _applyTheme(
     theme: str
 ):
 
+    global _active_style_name
     app : QApplication | None = QApplication.instance()
     if not app:
         return
@@ -85,7 +95,7 @@ def _applyTheme(
         app.styleHints().setColorScheme(Qt.ColorScheme.Light)
     else:
         app.styleHints().setColorScheme(Qt.ColorScheme.Unknown)
-    app.setStyle(QStyleFactory.create(app.style().objectName()))
+    app.setStyle(QStyleFactory.create(_active_style_name))
 
 def _restartApp(
 ):
@@ -104,7 +114,7 @@ class ALSettingsWidget(QWidget, Ui_ALSettingsWidget):
     ):
         super().__init__(parent)
         self.__cfg_mgr: ConfigProvider = ConfigManager.instance()
-        self.__original_style: QStyle | None = None
+        self.__original_style: str = ""
 
         self.setupUi(self)
         self.modifyUi()
@@ -137,6 +147,12 @@ class ALSettingsWidget(QWidget, Ui_ALSettingsWidget):
         self.StyleComboBox.clear()
         self.StyleComboBox.addItems(QStyleFactory.keys())
 
+    def currentStyleKey(
+        self
+    ) -> str:
+
+        return _active_style_name
+
     def connectSignals(
         self
     ):
@@ -184,7 +200,7 @@ class ALSettingsWidget(QWidget, Ui_ALSettingsWidget):
         theme = self.__cfg_mgr.get(CfgKey.GLOBAL.APPEARANCE.THEME, "system")
         style = self.__cfg_mgr.get(CfgKey.GLOBAL.APPEARANCE.STYLE, "Fusion")
         custom_qss = self.__cfg_mgr.get(CfgKey.GLOBAL.APPEARANCE.CUSTOM_QSS, "")
-        self.__original_style = QApplication.instance().style()
+        self.__original_style = self.currentStyleKey()
         if theme == "light":
             self.LightThemeRadio.setChecked(True)
         elif theme == "dark":
@@ -192,10 +208,9 @@ class ALSettingsWidget(QWidget, Ui_ALSettingsWidget):
         else:
             self.SystemThemeRadio.setChecked(True)
         index = self.StyleComboBox.findText(style)
-        if index >= 0:
-            self.StyleComboBox.setCurrentIndex(index)
-        else:
-            self.StyleComboBox.setCurrentIndex(0)
+        if index < 0:
+            index = 0
+        self.StyleComboBox.setCurrentIndex(index)
         self.QssPathEdit.setText(custom_qss)
         self.updateQssStatus(custom_qss)
 
@@ -205,7 +220,8 @@ class ALSettingsWidget(QWidget, Ui_ALSettingsWidget):
     ):
 
         if qss_path and os.path.isfile(qss_path):
-            self.QssStatusLabel.setText(f"已加载自定义样式文件：{qss_path}")
+            filename = os.path.basename(qss_path)
+            self.QssStatusLabel.setText(f"已加载自定义样式文件：{filename}")
         else:
             self.QssStatusLabel.setText("当前使用程序默认外观。")
 
@@ -219,7 +235,7 @@ class ALSettingsWidget(QWidget, Ui_ALSettingsWidget):
             theme = "dark"
         else:
             theme = "system"
-        style = QStyleFactory.create(self.StyleComboBox.currentText())
+        style = self.StyleComboBox.currentText()
         custom_qss = self.QssPathEdit.text().strip()
         return theme, style, custom_qss
 
@@ -229,16 +245,13 @@ class ALSettingsWidget(QWidget, Ui_ALSettingsWidget):
 
         theme, style, custom_qss = self.collectSettings()
         self.__cfg_mgr.set(CfgKey.GLOBAL.APPEARANCE.THEME, theme)
-        self.__cfg_mgr.set(CfgKey.GLOBAL.APPEARANCE.STYLE, style.name())
+        self.__cfg_mgr.set(CfgKey.GLOBAL.APPEARANCE.STYLE, style)
         self.__cfg_mgr.set(CfgKey.GLOBAL.APPEARANCE.CUSTOM_QSS, custom_qss)
-        if custom_qss and os.path.isfile(custom_qss):
-            _applyQss(custom_qss)
-        else:
-            _clearQss()
+        _applyQss(custom_qss)
         _applyTheme(theme)
         self.setNavigationIcons()
         self.updateQssStatus(custom_qss)
-        self.__original_style = QApplication.instance().style()
+        self.__original_style = self.currentStyleKey()
 
     def maybeRestart(
         self
@@ -322,7 +335,7 @@ class ALSettingsWidget(QWidget, Ui_ALSettingsWidget):
     ):
 
         _, style, _ = self.collectSettings()
-        style_changed = self.__original_style.name() != style.name()
+        style_changed = self.__original_style != style
         self.saveAndApply()
         if style_changed:
             self.maybeRestart()
@@ -333,7 +346,7 @@ class ALSettingsWidget(QWidget, Ui_ALSettingsWidget):
     ):
 
         _, style, _ = self.collectSettings()
-        style_changed = self.__original_style.name() != style.name()
+        style_changed = self.__original_style != style
         self.saveAndApply()
         if style_changed:
             self.maybeRestart()
diff --git a/src/gui/resources/themes/BlueForest.qss b/src/gui/resources/themes/BlueForest.qss
new file mode 100644
index 0000000..b984848
--- /dev/null
+++ b/src/gui/resources/themes/BlueForest.qss
@@ -0,0 +1,427 @@
+/*
+ * Copyright (c) 2026 KenanZhu.
+ * All rights reserved.
+ *
+ * This software is provided "as is", without any warranty of any kind.
+ * You may use, modify, and distribute this file under the terms of the MIT License.
+ * See the LICENSE file for details.
+ *
+ *
+ * AutoLibrary Official Style Theme : BlueForest
+ */
+
+/* ---- Global ---- */
+QWidget {
+    background-color: #0f1a2e;
+    color: #d0daf0;
+    selection-background-color: #2dd4bf;
+    selection-color: #0f1119;
+}
+QMainWindow::separator {
+    background-color: #1c2840;
+    width: 1px;
+    height: 1px;
+}
+
+/* ---- Menu Bar ---- */
+QMenuBar {
+    background-color: #0f1628;
+    border-bottom: 1px solid #1c2840;
+    padding: 2px 6px;
+    color: #d0daf0;
+}
+QMenuBar::item {
+    padding: 4px 10px;
+    border-radius: 4px;
+}
+QMenuBar::item:selected {
+    background-color: #1c2840;
+}
+QMenu {
+    background-color: #162038;
+    border-style: solid;
+    border-color: #253250;
+    border-width: 1px;
+    padding: 4px;
+    border-radius: 6px;
+}
+QMenu::item {
+    padding: 5px 15px 5px 10px;
+    border-radius: 4px;
+}
+QMenu::item:selected {
+    background-color: #2dd4bf;
+    color: #0f1119;
+}
+QMenu::separator {
+    height: 1px;
+    background-color: #253250;
+    margin: 4px 8px;
+}
+
+/* ---- Button ---- */
+QPushButton {
+    border-style: solid;
+	border-color: #253250;
+	border-width: 1px;
+	border-radius: 5px;
+	color: #d0daf0;
+	padding: 2px;
+	background-color: #1c2840;
+}
+QPushButton:hover {
+    background-color: #243458;
+    border-color: #334478;
+}
+QPushButton:pressed {
+    background-color: #162038;
+    border-color: #2dd4bf;
+}
+QPushButton:disabled {
+    background-color: #162038;
+    color: #5568a0;
+    border-color: #1c2840;
+}
+QPushButton[default="true"] {
+    background-color: #2dd4bf;
+    color: #0f1119;
+    border-color: #2dd4bf;
+}
+QPushButton[default="true"]:hover {
+    background-color: #3de0cc;
+}
+
+/* ---- Input ---- */
+QLineEdit,
+QPlainTextEdit,
+QTextEdit,
+QSpinBox,
+QDoubleSpinBox,
+QDateEdit,
+QTimeEdit {
+    background-color: #0a1020;
+    border-style: solid;
+    border-color: #253250;
+    border-width: 1px;
+    border-radius: 5px;
+    padding: 4px 8px;
+    color: #d0daf0;
+    selection-background-color: #2dd4bf;
+    selection-color: #0f1119;
+}
+QLineEdit:focus,
+QPlainTextEdit:focus,
+QTextEdit:focus,
+QSpinBox:focus,
+QDoubleSpinBox:focus,
+QDateEdit:focus,
+QTimeEdit:focus {
+    border-color: #2dd4bf;
+}
+QPlainTextEdit,
+QTextEdit {
+    background-color: #0a1020;
+}
+
+/* ---- Combo Box ---- */
+QComboBox {
+    background-color: #1c2840;
+    border-style: solid;
+    border-color: #253250;
+    border-width: 1px;
+    border-radius: 5px;
+    padding: 4px 10px;
+    color: #d0daf0;
+}
+QComboBox:hover {
+    border-color: #334478;
+}
+QComboBox:focus {
+    border-color: #2dd4bf;
+}
+QComboBox::drop-down {
+    subcontrol-origin: padding;
+    subcontrol-position: top right;
+    width: 24px;
+    border-left: 1px solid #253250;
+    border-top-right-radius: 5px;
+    border-bottom-right-radius: 5px;
+}
+QComboBox::down-arrow {
+    image: none;
+    border-left: 4px solid transparent;
+    border-right: 4px solid transparent;
+    border-top: 6px solid #7888b8;
+    margin-right: 6px;
+}
+QComboBox QAbstractItemView {
+    background-color: #162038;
+    border-style: solid;
+    border-color: #253250;
+    border-width: 1px;
+    border-radius: 4px;
+    selection-background-color: #2dd4bf;
+    selection-color: #0f1119;
+    outline: none;
+}
+
+/* ---- Check Box / Radio Button ---- */
+QCheckBox,
+QRadioButton {
+    spacing: 8px;
+    color: #d0daf0;
+}
+QCheckBox::indicator,
+QRadioButton::indicator {
+    border-style: solid;
+    border-color: #334478;
+    border-width: 2px;
+    border-radius: 3px;
+    background-color: #0a1020;
+}
+QCheckBox::indicator:hover,
+QRadioButton::indicator:hover {
+    border-color: #2dd4bf;
+}
+QCheckBox::indicator:checked {
+    background-color: #2dd4bf;
+    border-color: #2dd4bf;
+}
+QRadioButton::indicator {
+    border-radius: 10px;
+}
+QRadioButton::indicator:checked {
+    background-color: #2dd4bf;
+    border-color: #2dd4bf;
+}
+QCheckBox::indicator:disabled,
+QRadioButton::indicator:disabled {
+    border-color: #253250;
+    background-color: #162038;
+}
+
+/* ---- Group Box ---- */
+QGroupBox {
+    border-style: solid;
+    border-color: #253250;
+    border-width: 1px;
+    border-radius: 6px;
+    margin-top: 12px;
+    padding-top: 14px;
+    color: #d0daf0;
+    font-weight: bold;
+}
+QGroupBox::title {
+    subcontrol-origin: margin;
+    left: 12px;
+    padding: 0 6px;
+    color: #8b9ad0;
+}
+
+/* ---- Tab ---- */
+QTabWidget::pane {
+    border-style: solid;
+    border-color: #253250;
+    border-width: 1px;
+    border-radius: 5px;
+    background-color: #0f1a2e;
+    top: -1px;
+}
+QTabBar::tab {
+    background-color: #162038;
+    border-style: solid;
+    border-color: #253250;
+    border-width: 1px;
+    border-bottom: none;
+    border-top-left-radius: 5px;
+    border-top-right-radius: 5px;
+    padding: 6px 16px;
+    margin-right: 2px;
+    color: #7888b8;
+}
+QTabBar::tab:selected {
+    background-color: #0f1a2e;
+    color: #2dd4bf;
+    border-bottom: 2px solid #2dd4bf;
+}
+QTabBar::tab:hover:!selected {
+    background-color: #1c2840;
+    color: #d0daf0;
+}
+
+/* ---- List / Tree ---- */
+QListWidget,
+QTreeWidget,
+QTableWidget {
+    background-color: #0a1020;
+    border-style: solid;
+    border-color: #253250;
+    border-width: 1px;
+    border-radius: 5px;
+    outline: none;
+    color: #d0daf0;
+    alternate-background-color: #101c30;
+}
+QListWidget::item,
+QTreeWidget::item,
+QTableWidget::item {
+    padding: 5px 10px;
+    border: none;
+}
+QListWidget::item:selected,
+QTreeWidget::item:selected,
+QTableWidget::item:selected {
+    background-color: #2dd4bf;
+    color: #0f1119;
+}
+QListWidget::item:hover:!selected,
+QTreeWidget::item:hover:!selected {
+    background-color: #1c2840;
+}
+QHeaderView::section {
+    background-color: #0f1628;
+    border: none;
+    border-right: 1px solid #253250;
+    border-bottom: 1px solid #253250;
+    padding: 6px 10px;
+    color: #8b9ad0;
+    font-weight: bold;
+}
+
+/* ---- Scroll Bar ---- */
+QScrollBar:vertical {
+    background-color: #0f1a2e;
+    width: 10px;
+    border-radius: 5px;
+}
+QScrollBar::handle:vertical {
+    background-color: #334478;
+    min-height: 30px;
+    border-radius: 5px;
+}
+QScrollBar::handle:vertical:hover {
+    background-color: #5568a0;
+}
+QScrollBar::add-line:vertical,
+QScrollBar::sub-line:vertical {
+    height: 0;
+}
+QScrollBar:horizontal {
+    background-color: #0f1a2e;
+    height: 10px;
+    border-radius: 5px;
+}
+QScrollBar::handle:horizontal {
+    background-color: #334478;
+    min-width: 30px;
+    border-radius: 5px;
+}
+QScrollBar::handle:horizontal:hover {
+    background-color: #5568a0;
+}
+QScrollBar::add-line:horizontal,
+QScrollBar::sub-line:horizontal {
+    width: 0;
+}
+
+/* ---- Progress Bar ---- */
+QProgressBar {
+    background-color: #0a1020;
+    border-style: solid;
+    border-color: #253250;
+    border-width: 1px;
+    border-radius: 5px;
+    height: 10px;
+    text-align: center;
+    color: #d0daf0;
+}
+QProgressBar::chunk {
+    background-color: #2dd4bf;
+    border-radius: 4px;
+}
+
+/* ---- Slider ---- */
+QSlider::groove:horizontal {
+    background-color: #1c2840;
+    height: 6px;
+    border-radius: 3px;
+}
+QSlider::handle:horizontal {
+    background-color: #2dd4bf;
+    width: 16px;
+    height: 16px;
+    margin: -5px 0;
+    border-radius: 8px;
+}
+QSlider::sub-page:horizontal {
+    background-color: #2dd4bf;
+    border-radius: 3px;
+}
+
+/* ---- Tool Tip ---- */
+QToolTip {
+    background-color: #1c2840;
+    border-style: solid;
+    border-color: #2dd4bf;
+    border-width: 1px;
+    border-radius: 4px;
+    padding: 4px 8px;
+    color: #d0daf0;
+}
+
+/* ---- Status Bar ---- */
+QStatusBar {
+    background-color: #0f1628;
+    border-top: 1px solid #1c2840;
+    color: #7888b8;
+}
+
+/* ---- Splitter ---- */
+QSplitter::handle {
+    background-color: #253250;
+    margin: 1px;
+}
+QSplitter::handle:horizontal {
+    width: 2px;
+}
+QSplitter::handle:vertical {
+    height: 2px;
+}
+
+/* ---- Dialog ---- */
+QDialog {
+    background-color: #0f1a2e;
+}
+
+/* ---- Date / Time Editor Drop-down ---- */
+QDateEdit::drop-down,
+QTimeEdit::drop-down {
+    subcontrol-origin: padding;
+    subcontrol-position: top right;
+    width: 24px;
+    border-left: 1px solid #253250;
+}
+QCalendarWidget {
+    background-color: #162038;
+    border-style: solid;
+    border-color: #253250;
+    border-width: 1px;
+    border-radius: 6px;
+}
+QCalendarWidget QToolButton {
+    color: #d0daf0;
+    border-radius: 4px;
+    padding: 4px 8px;
+}
+QCalendarWidget QToolButton:hover {
+    background-color: #1c2840;
+}
+QCalendarWidget QMenu {
+    background-color: #162038;
+}
+
+/* ---- Frame ---- */
+QFrame[frameShape="4"], /* HLine */
+QFrame[frameShape="5"]  /* VLine */ {
+    background-color: #253250;
+}
diff --git a/src/gui/resources/ui/ALTimerTaskAddDialog.ui b/src/gui/resources/ui/ALTimerTaskAddDialog.ui
index e2fc6c4..251a4e2 100644
--- a/src/gui/resources/ui/ALTimerTaskAddDialog.ui
+++ b/src/gui/resources/ui/ALTimerTaskAddDialog.ui
@@ -7,13 +7,13 @@
     <x>0</x>
     <y>0</y>
     <width>350</width>
-    <height>400</height>
+    <height>500</height>
    </rect>
   </property>
   <property name="minimumSize">
    <size>
     <width>350</width>
-    <height>460</height>
+    <height>500</height>
    </size>
   </property>
   <property name="maximumSize">