chore: 合并 feature/bulletin-system 到 develop

Co-Authored-By: Claude <noreply@anthropic.com>

src/gui/ALAboutDialog.py

@@ -55,9 +55,9 @@ class ALAboutDialog(QDialog, Ui_ALAboutDialog):
         AboutBrowser.setOpenExternalLinks(True)
         AboutBrowser.setLineWrapMode(QTextBrowser.LineWrapMode.NoWrap)
         AboutBrowser.setTextInteractionFlags(Qt.TextBrowserInteraction)
-        BrowserFont = AboutBrowser.font()
-        BrowserFont.setFamilies(["Courier New", "Consolas", "Menlo", "DejaVu Sans Mono", "monospace"])
-        AboutBrowser.setFont(BrowserFont)
+        browser_font = AboutBrowser.font()
+        browser_font.setFamilies(["Courier New", "Consolas", "Menlo", "DejaVu Sans Mono", "monospace"])
+        AboutBrowser.setFont(browser_font)
         self.TabWidget.addTab(AboutBrowser, "关于")
         LicenseBrowser = QTextBrowser()
         LicenseBrowser.setHtml(self.generateLicenseText())
@@ -135,7 +135,6 @@ THE SOFTWARE.</p>"""
         system = platform.system()
         version = platform.version()
         architecture = platform.architecture()[0]
-
         if system == "Windows":
             try:
                 version = platform.win32_ver()[1]
@@ -152,7 +151,6 @@ THE SOFTWARE.</p>"""
                 version = f"{distro.name()} {distro.version()}"
             except ImportError:
                 pass
-
         return {
             'system': system,
             'version': version,

src/gui/ALAutoScriptEditDialog.py

@@ -75,54 +75,54 @@ class ALScriptHighlighter(QSyntaxHighlighter):
         super().__init__(parent)
         self._rules = []
 
-        KeywordFmt = QTextCharFormat()
-        KeywordFmt.setForeground(QColor("#569CD6"))
-        KeywordFmt.setFontWeight(QFont.Weight.Bold)
+        keyword_fmt = QTextCharFormat()
+        keyword_fmt.setForeground(QColor("#569CD6"))
+        keyword_fmt.setFontWeight(QFont.Weight.Bold)
         for kw in [
             "if", "elseif", "else", "end", "then",
             "and", "or", "not",
             "local", "function", "return", "nil",
         ]:
-            self._rules.append((r"\b" + kw + r"\b", KeywordFmt))
-        BoolFmt = QTextCharFormat()
-        BoolFmt.setForeground(QColor("#4FC1FF"))
-        BoolFmt.setFontWeight(QFont.Weight.Bold)
-        self._rules.append((r"\btrue\b", BoolFmt))
-        self._rules.append((r"\bfalse\b", BoolFmt))
-        CmpFmt = QTextCharFormat()
-        CmpFmt.setForeground(QColor("#C586C0"))
-        CmpFmt.setFontWeight(QFont.Weight.Normal)
+            self._rules.append((r"\b" + kw + r"\b", keyword_fmt))
+        bool_fmt = QTextCharFormat()
+        bool_fmt.setForeground(QColor("#4FC1FF"))
+        bool_fmt.setFontWeight(QFont.Weight.Bold)
+        self._rules.append((r"\btrue\b", bool_fmt))
+        self._rules.append((r"\bfalse\b", bool_fmt))
+        cmp_fmt = QTextCharFormat()
+        cmp_fmt.setForeground(QColor("#C586C0"))
+        cmp_fmt.setFontWeight(QFont.Weight.Normal)
         for op in [r"==", r"~=", r">=", r"<=", r">", r"<"]:
-            self._rules.append((op, CmpFmt))
-        ArithFmt = QTextCharFormat()
-        ArithFmt.setForeground(QColor("#C586C0"))
-        ArithFmt.setFontWeight(QFont.Weight.Normal)
+            self._rules.append((op, cmp_fmt))
+        arith_fmt = QTextCharFormat()
+        arith_fmt.setForeground(QColor("#C586C0"))
+        arith_fmt.setFontWeight(QFont.Weight.Normal)
         for op in [r"\+", r"-", r"\*", r"/", r"\.\."]:
-            self._rules.append((op, ArithFmt))
-        FuncFmt = QTextCharFormat()
-        FuncFmt.setForeground(QColor("#DCDCAA"))
-        FuncFmt.setFontWeight(QFont.Weight.Normal)
+            self._rules.append((op, arith_fmt))
+        func_fmt = QTextCharFormat()
+        func_fmt.setForeground(QColor("#DCDCAA"))
+        func_fmt.setFontWeight(QFont.Weight.Normal)
         for fn in [ "time", "date", "datenow", "timenow", "dateadd", "timeadd"]:
-            self._rules.append((r"\b" + fn + r"\b", FuncFmt))
-        VarFmt = QTextCharFormat()
-        VarFmt.setForeground(QColor("#9CDCFE"))
-        VarFmt.setFontWeight(QFont.Weight.Normal)
+            self._rules.append((r"\b" + fn + r"\b", func_fmt))
+        var_fmt = QTextCharFormat()
+        var_fmt.setForeground(QColor("#9CDCFE"))
+        var_fmt.setFontWeight(QFont.Weight.Normal)
         var_names = [name for _, (name, _) in createAllVariablesTable().items()]
         for var in var_names:
-            self._rules.append((r"\b" + var + r"\b", VarFmt))
-        StrFmt = QTextCharFormat()
-        StrFmt.setForeground(QColor("#CE9178"))
-        StrFmt.setFontWeight(QFont.Weight.Normal)
-        self._rules.append((r'"[^"]*"', StrFmt))
-        self._rules.append((r"'[^']*'", StrFmt))
-        NumFmt = QTextCharFormat()
-        NumFmt.setForeground(QColor("#B5CEA8"))
-        NumFmt.setFontWeight(QFont.Weight.Normal)
-        self._rules.append((r"\b\d+(?:\.\d+)?\b", NumFmt))
-        CommentFmt = QTextCharFormat()
-        CommentFmt.setForeground(QColor("#6A9955"))
-        CommentFmt.setFontItalic(True)
-        self._rules.append((r"--[^\n]*", CommentFmt))
+            self._rules.append((r"\b" + var + r"\b", var_fmt))
+        st_fmt = QTextCharFormat()
+        st_fmt.setForeground(QColor("#CE9178"))
+        st_fmt.setFontWeight(QFont.Weight.Normal)
+        self._rules.append((r'"[^"]*"', st_fmt))
+        self._rules.append((r"'[^']*'", st_fmt))
+        num_fmt = QTextCharFormat()
+        num_fmt.setForeground(QColor("#B5CEA8"))
+        num_fmt.setFontWeight(QFont.Weight.Normal)
+        self._rules.append((r"\b\d+(?:\.\d+)?\b", num_fmt))
+        comment_fmt = QTextCharFormat()
+        comment_fmt.setForeground(QColor("#6A9955"))
+        comment_fmt.setFontItalic(True)
+        self._rules.append((r"--[^\n]*", comment_fmt))
 
     def highlightBlock(
         self,
@@ -189,13 +189,13 @@ class ALAutoScriptEditDialog(QDialog):
     ):
 
         super().__init__(parent)
-        self._fontSize = 21
-        self._mockWidgets = {}
+        self._font_size = 21
+        self._mock_widgets = {}
 
         self.setupUi()
         self.connectSignals()
         self.TextEdit.setPlainText(script)
-        self._Highlighter = ALScriptHighlighter(
+        self._high_lighter = ALScriptHighlighter(
             self.TextEdit.document()
         )
         if mockData:
@@ -224,7 +224,7 @@ class ALAutoScriptEditDialog(QDialog):
         self.ZoomResetBtn.setIconSize(QSize(14, 14))
         self.ZoomResetBtn.setFixedSize(25, 25)
         self.ZoomResetBtn.setToolTip("重置缩放")
-        self.ZoomLabel = QLabel(f"{self._fontSize}px")
+        self.ZoomLabel = QLabel(f"{self._font_size}px")
         self.ZoomLabel.setFixedHeight(25)
         self.OrchBtn = QPushButton("编排")
         self.OrchBtn.setFixedSize(80, 25)
@@ -259,7 +259,7 @@ class ALAutoScriptEditDialog(QDialog):
         self.TextEdit.setStyleSheet(
             "QPlainTextEdit {"
             "  font-family: 'Courier New', 'Consolas', monospace;"
-           f"  font-size: {self._fontSize}px;"
+           f"  font-size: {self._font_size}px;"
             "}"
         )
         Layout.addWidget(self.TextEdit)
@@ -287,30 +287,30 @@ class ALAutoScriptEditDialog(QDialog):
         BasicLayout.setSpacing(4)
         BasicLayout.setContentsMargins(4, 4, 4, 4)
         BasicLayout.setAlignment(Qt.AlignLeft | Qt.AlignTop)
-        controlButtons = [
+        control_buttons = [
             ("如果 (if...)", "if  then\n    \nend"),
             ("再如果 (elseif...)", "elseif  then\n    "),
             ("否则 (else)", "else"),
             ("结束 (end)", "end"),
             ("跳过 (pass)", "-- pass"),
         ]
-        self.addButtonsToGrid(BasicLayout, controlButtons, 0, 0, 3)
-        assignButtons = [
+        self.addButtonsToGrid(BasicLayout, control_buttons, 0, 0, 3)
+        assign_buttons = [
             ("赋值 (=)", " = "),
         ]
-        self.addButtonsToGrid(BasicLayout, assignButtons, 1, 2, 3)
+        self.addButtonsToGrid(BasicLayout, assign_buttons, 1, 2, 3)
         TabWidget.addTab(BasicWidget, "基本语法")
         OperatorWidget = QWidget()
         OperatorLayout = QGridLayout(OperatorWidget)
         OperatorLayout.setSpacing(4)
         OperatorLayout.setContentsMargins(4, 4, 4, 4)
         OperatorLayout.setAlignment(Qt.AlignLeft | Qt.AlignTop)
-        arithmeticButtons = [
+        arithmetic_buttons = [
             ("加 (+)", " + "),
             ("减 (-)", " - "),
         ]
-        self.addButtonsToGrid(OperatorLayout, arithmeticButtons, 0, 0, 3)
-        compareButtons = [
+        self.addButtonsToGrid(OperatorLayout, arithmetic_buttons, 0, 0, 3)
+        compare_buttons = [
             ("等于 (==)", " == "),
             ("不等于 (~=)", " ~= "),
             ("大于 (>)", " > "),
@@ -318,7 +318,7 @@ class ALAutoScriptEditDialog(QDialog):
             ("大于等于 (>=)", " >= "),
             ("小于等于 (<=)", " <= "),
         ]
-        self.addButtonsToGrid(OperatorLayout, compareButtons, 1, 0, 3)
+        self.addButtonsToGrid(OperatorLayout, compare_buttons, 1, 0, 3)
         logic_buttons = [
             ("且 (and)", " and "),
             ("或 (or)", " or "),
@@ -335,40 +335,40 @@ class ALAutoScriptEditDialog(QDialog):
             ("假 (false)", "false"),
         ]
         self.addButtonsToGrid(LiteralLayout, bool_buttons, 0, 0, 3)
-        dateTimeButtons = [
+        date_time_buttons = [
             ("日期", 'date(2026, 1, 1)'),
             ("时间", 'time(0, 0)'),
         ]
-        self.addButtonsToGrid(LiteralLayout, dateTimeButtons, 1, 0, 3)
-        hintButtons = [
+        self.addButtonsToGrid(LiteralLayout, date_time_buttons, 1, 0, 3)
+        hint_buttons = [
             ("字符串", '"请输入文本"'),
             ("数字", "123"),
             ("注释", "-- 请输入注释"),
         ]
-        self.addButtonsToGrid(LiteralLayout, hintButtons, 2, 0, 3)
+        self.addButtonsToGrid(LiteralLayout, hint_buttons, 2, 0, 3)
         TabWidget.addTab(LiteralWidget, "字面量")
         VarWidget = QWidget()
         VarLayout = QGridLayout(VarWidget)
         VarLayout.setSpacing(4)
         VarLayout.setContentsMargins(4, 4, 4, 4)
         VarLayout.setAlignment(Qt.AlignLeft | Qt.AlignTop)
-        varButtons = [
+        var_buttons = [
             (display_name, name) for display_name, (name, _) in createAllVariablesTable().items()
         ]
-        self.addButtonsToGrid(VarLayout, varButtons, 0, 0, 3)
+        self.addButtonsToGrid(VarLayout, var_buttons, 0, 0, 3)
         TabWidget.addTab(VarWidget, "变量")
         FuncWidget = QWidget()
         FuncLayout = QGridLayout(FuncWidget)
         FuncLayout.setSpacing(4)
         FuncLayout.setContentsMargins(4, 4, 4, 4)
         FuncLayout.setAlignment(Qt.AlignLeft | Qt.AlignTop)
-        funcButtons = [
+        func_buttons = [
             ("datenow()", "datenow()", "返回当前日期的 Unix 时间戳"),
             ("timenow()", "timenow()", "返回当前时间在一天中的分钟数"),
             ("dateadd(day, n)", "dateadd(, )", "日期偏移: dateadd(日期时间戳, 天数)"),
             ("timeadd(time, n)", "timeadd(, )", "时间偏移: timeadd(分钟数, 分钟数)"),
         ]
-        for i, (text, template, tooltip) in enumerate(funcButtons):
+        for i, (text, template, tooltip) in enumerate(func_buttons):
             Btn = QPushButton(text)
             Btn.setProperty("template", template)
             Btn.clicked.connect(self.insertTemplate)
@@ -419,17 +419,17 @@ class ALAutoScriptEditDialog(QDialog):
         Form = QFormLayout(Group)
         Form.setSpacing(4)
         Form.setContentsMargins(5, 10, 5, 5)
-        self._mockWidgets = {}
-        mockData = createMockTargetData()
+        self._mock_widgets = {}
+        mock_data = createMockTargetData()
         for name, var_type, key_path, display_name in createTargetVarDefs():
-            d = mockData
+            d = mock_data
             for key in key_path:
                 d = d[key]
             default = d
             Widget = self.makeMockInput(var_type, default)
             Label = QLabel(f"{display_name}: {name}({var_type})")
             Form.addRow(Label, Widget)
-            self._mockWidgets[name] = (Widget, var_type, key_path)
+            self._mock_widgets[name] = (Widget, var_type, key_path)
         return Group
 
     def makeMockInput(
@@ -439,49 +439,49 @@ class ALAutoScriptEditDialog(QDialog):
     ) -> QWidget:
 
         if var_type == "String":
-            W = QLineEdit()
-            W.setText(str(default))
-            return W
+            widget = QLineEdit()
+            widget.setText(str(default))
+            return widget
         if var_type == "Boolean":
-            W = QComboBox()
-            W.addItems(["是", "否"])
-            W.setCurrentIndex(0 if default else 1)
-            return W
+            widget = QComboBox()
+            widget.addItems(["是", "否"])
+            widget.setCurrentIndex(0 if default else 1)
+            return widget
         if var_type == "Date":
-            W = QDateEdit()
-            W.setCalendarPopup(True)
-            W.setDisplayFormat("yyyy-MM-dd")
-            W.setDate(QDate.fromString(str(default), "yyyy-MM-dd"))
-            return W
+            widget = QDateEdit()
+            widget.setCalendarPopup(True)
+            widget.setDisplayFormat("yyyy-MM-dd")
+            widget.setDate(QDate.fromString(str(default), "yyyy-MM-dd"))
+            return widget
         if var_type == "Time":
-            W = QTimeEdit()
-            W.setDisplayFormat("HH:mm")
-            W.setTime(QTime.fromString(str(default), "HH:mm"))
-            return W
+            widget = QTimeEdit()
+            widget.setDisplayFormat("HH:mm")
+            widget.setTime(QTime.fromString(str(default), "HH:mm"))
+            return widget
         if var_type == "Int":
-            W = QSpinBox()
-            W.setMinimum(-999999)
-            W.setMaximum(999999)
-            W.setValue(int(default) if default else 0)
-            return W
+            widget = QSpinBox()
+            widget.setMinimum(-999999)
+            widget.setMaximum(999999)
+            widget.setValue(int(default) if default else 0)
+            return widget
         if var_type == "Float":
-            W = QDoubleSpinBox()
-            W.setMinimum(-999999.0)
-            W.setMaximum(999999.0)
-            W.setDecimals(2)
-            W.setValue(float(default) if default else 0.0)
-            return W
-        W = QLineEdit()
-        W.setText(str(default))
-        return W
+            widget = QDoubleSpinBox()
+            widget.setMinimum(-999999.0)
+            widget.setMaximum(999999.0)
+            widget.setDecimals(2)
+            widget.setValue(float(default) if default else 0.0)
+            return widget
+        widget = QLineEdit()
+        widget.setText(str(default))
+        return widget
 
     def getMockData(
         self
     ) -> dict:
 
         data = {}
-        for name, var_type, key_path, display_name in createTargetVarDefs():
-            widget, _, _ = self._mockWidgets[name]
+        for name, var_type, key_path, _ in createTargetVarDefs():
+            widget, _, _ = self._mock_widgets[name]
             value = self.getMockValue(widget, var_type)
             d = data
             for key in key_path[:-1]:
@@ -496,14 +496,14 @@ class ALAutoScriptEditDialog(QDialog):
 
         if not data:
             return
-        for name, var_type, key_path, display_name in createTargetVarDefs():
+        for name, var_type, key_path, _ in createTargetVarDefs():
             d = data
             try:
                 for key in key_path:
                     d = d[key]
             except (KeyError, TypeError):
                 continue
-            widget, _, _ = self._mockWidgets[name]
+            widget, _, _ = self._mock_widgets[name]
             self.setMockValue(widget, var_type, d)
 
     def getMockValue(
@@ -578,10 +578,10 @@ class ALAutoScriptEditDialog(QDialog):
         self.TextEdit.setStyleSheet(
             "QPlainTextEdit {"
             "  font-family: 'Courier New', 'Consolas', monospace;"
-            f"  font-size: {self._fontSize}px;"
+            f"  font-size: {self._font_size}px;"
             "}"
         )
-        self.ZoomLabel.setText(f"{self._fontSize}px")
+        self.ZoomLabel.setText(f"{self._font_size}px")
 
     @Slot()
     def insertTemplate(
@@ -602,7 +602,7 @@ class ALAutoScriptEditDialog(QDialog):
         self
     ):
 
-        self._fontSize = min(self._fontSize + 2, 40)
+        self._font_size = min(self._font_size + 2, 40)
         self.updateFontSize()
 
     @Slot()
@@ -610,7 +610,7 @@ class ALAutoScriptEditDialog(QDialog):
         self
     ):
 
-        self._fontSize = max(self._fontSize - 2, 8)
+        self._font_size = max(self._font_size - 2, 8)
         self.updateFontSize()
 
     @Slot()
@@ -618,7 +618,7 @@ class ALAutoScriptEditDialog(QDialog):
         self
     ):
 
-        self._fontSize = 21
+        self._font_size = 21
         self.updateFontSize()
 
     @Slot()
@@ -639,13 +639,13 @@ class ALAutoScriptEditDialog(QDialog):
     ):
 
         from gui.ALAutoScriptOrchDialog import ALAutoScriptOrchDialog
-        Dlg = ALAutoScriptOrchDialog(self)
-        if Dlg.exec() == QDialog.DialogCode.Accepted:
-            script = Dlg.getScript()
+        Dialpg = ALAutoScriptOrchDialog(self)
+        if Dialpg.exec() == QDialog.DialogCode.Accepted:
+            script = Dialpg.getScript()
             if script:
                 cursor = self.TextEdit.textCursor()
                 cursor.insertText(script)
-        Dlg.deleteLater()
+        Dialpg.deleteLater()
 
     @Slot()
     def onDebugRun(
@@ -679,6 +679,6 @@ class ALAutoScriptEditDialog(QDialog):
         if not changes:
             QMessageBox.information(self, "调试运行", "目标变量未发生变化。")
             return
-        Dlg = _DebugResultDialog(changes, self)
-        Dlg.exec()
-        Dlg.deleteLater()
+        Dialpg = _DebugResultDialog(changes, self)
+        Dialpg.exec()
+        Dialpg.deleteLater()

src/gui/ALAutoScriptOrchDialog/_blocks.py

@@ -32,16 +32,16 @@ class ConditionalBlock(QGroupBox):
 
     def __init__(
         self,
-        blockIndex: int,
-        varMgr = None,
+        block_index: int,
+        var_mgr = None,
         parent = None
     ):
 
         super().__init__(parent)
-        self.blockIndex = blockIndex
-        self._varMgr = varMgr
-        self._actionWidgets = []
-        self._conditionRows = []
+        self._block_index = block_index
+        self._var_mgr = var_mgr
+        self._action_widgets = []
+        self._condition_rows = []
 
         self.setupUi()
         self.connectSignals()
@@ -53,8 +53,12 @@ class ConditionalBlock(QGroupBox):
 
         self.setUpdatesEnabled(False)
         self.setStyleSheet(
-            "QGroupBox { font-weight: bold; border: 1px solid #ccc; "
-            "margin-top: 5px; padding-top: 5px; }"
+            "QGroupBox { "\
+                "font-weight: bold;"\
+                "border: 1px solid #ccc;"\
+                "margin-top: 5px;"\
+                "padding-top: 5px; "\
+            "}"
         )
         self.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Fixed)
         MainLayout = QVBoxLayout(self)
@@ -67,7 +71,7 @@ class ConditionalBlock(QGroupBox):
         self.TypeCombo.addItem("ELSE IF", "ELSE IF")
         self.TypeCombo.addItem("ELSE", "ELSE")
         self.TypeCombo.setFixedHeight(25)
-        if self.blockIndex == 0:
+        if self._block_index == 0:
             self.TypeCombo.setEnabled(False)
         HeaderLayout.addWidget(QLabel("类型:", self))
         HeaderLayout.addWidget(self.TypeCombo)
@@ -115,10 +119,10 @@ class ConditionalBlock(QGroupBox):
     ):
 
         Row = ConditionRowFrame(
-            self._varMgr, self.blockIndex,
-            isFirst=True, parent=self
+            self._var_mgr, self._block_index,
+            is_first=True, parent=self
         )
-        self._conditionRows.append(Row)
+        self._condition_rows.append(Row)
         self.CondRowsLayout.addWidget(Row)
 
     def addConditionRow(
@@ -126,11 +130,11 @@ class ConditionalBlock(QGroupBox):
     ):
 
         Row = ConditionRowFrame(
-            self._varMgr, self.blockIndex,
-            isFirst=False, parent=self
+            self._var_mgr, self._block_index,
+            is_first=False, parent=self
         )
         Row.DeleteBtn.clicked.connect(lambda: self.removeConditionRow(Row))
-        self._conditionRows.append(Row)
+        self._condition_rows.append(Row)
         self.CondRowsLayout.addWidget(Row)
 
     def removeConditionRow(
@@ -138,8 +142,8 @@ class ConditionalBlock(QGroupBox):
         row: ConditionRowFrame
     ):
 
-        if row in self._conditionRows and len(self._conditionRows) > 1:
-            self._conditionRows.remove(row)
+        if row in self._condition_rows and len(self._condition_rows) > 1:
+            self._condition_rows.remove(row)
             self.CondRowsLayout.removeWidget(row)
             row.hide()
             row.deleteLater()
@@ -148,9 +152,9 @@ class ConditionalBlock(QGroupBox):
         self
     ):
 
-        Step = ActionStepFrame(self._varMgr, self.blockIndex, parent=self)
+        Step = ActionStepFrame(self._var_mgr, self._block_index, parent=self)
         Step.DeleteBtn.clicked.connect(lambda: self.removeActionStep(Step))
-        self._actionWidgets.append(Step)
+        self._action_widgets.append(Step)
         self.ActionsLayout.addWidget(Step)
 
     def removeActionStep(
@@ -158,8 +162,8 @@ class ConditionalBlock(QGroupBox):
         step: ActionStepFrame
     ):
 
-        if step in self._actionWidgets:
-            self._actionWidgets.remove(step)
+        if step in self._action_widgets:
+            self._action_widgets.remove(step)
             self.ActionsLayout.removeWidget(step)
             step.hide()
             step.deleteLater()
@@ -174,19 +178,19 @@ class ConditionalBlock(QGroupBox):
         self
     ):
 
-        return list(self._conditionRows)
+        return list(self._condition_rows)
 
     def getActionSteps(
         self
     ):
 
-        return list(self._actionWidgets)
+        return list(self._action_widgets)
 
     def countActionSteps(
         self
     ) -> int:
 
-        return len(self._actionWidgets)
+        return len(self._action_widgets)
 
     def toScript(
         self
@@ -195,48 +199,48 @@ class ConditionalBlock(QGroupBox):
             Generate Lua script lines for this conditional block.
         """
 
-        blockType = self.getBlockType()
+        block_type = self.getBlockType()
         lines = []
-        if blockType in ("IF", "ELSE IF"):
-            condTexts = [
-                r.toScript() for r in self._conditionRows if r.toScript()
+        if block_type in ("IF", "ELSE IF"):
+            cond_texts = [
+                r.toScript() for r in self._condition_rows if r.toScript()
             ]
-            if not condTexts:
-                condTexts = ["true"]
-            if len(condTexts) == 1:
-                combined = condTexts[0]
+            if not cond_texts:
+                cond_texts = ["true"]
+            if len(cond_texts) == 1:
+                combined = cond_texts[0]
             else:
                 parts = []
-                for i, ct in enumerate(condTexts):
+                for i, ct in enumerate(cond_texts):
                     if i > 0:
-                        logic = self._conditionRows[i].getLogic() or "and"
+                        logic = self._condition_rows[i].getLogic() or "and"
                         parts.append(f" {logic} ")
                     parts.append(f"({ct})")
                 combined = "".join(parts)
-            if blockType == "IF":
+            if block_type == "IF":
                 lines.append(f"if {combined} then")
             else:
                 lines.append(f"elseif {combined} then")
         else:
             lines.append("else")
-        for step in self._actionWidgets:
-            scriptLine = step.toScript()
-            if scriptLine:
-                lines.append(scriptLine)
+        for step in self._action_widgets:
+            script_line = step.toScript()
+            if script_line:
+                lines.append(script_line)
         return lines
 
     def refreshVarCombos(
         self
     ):
 
-        for row in self._conditionRows:
+        for row in self._condition_rows:
             row.refreshVarCombos()
-        for step in self._actionWidgets:
+        for step in self._action_widgets:
             step.refreshVarCombos()
 
     def setPrevBlockType(
         self,
-        prevType: str | None
+        prev_type: str | None
     ):
 
         model = self.TypeCombo.model()
@@ -247,19 +251,19 @@ class ConditionalBlock(QGroupBox):
             if idx < 0:
                 continue
             item = model.item(idx)
-            shouldEnable = prevType != "ELSE"
-            item.setEnabled(shouldEnable)
-        if prevType == "ELSE" and self.TypeCombo.currentData() in ("ELSE IF", "ELSE"):
+            should_enable = prev_type != "ELSE"
+            item.setEnabled(should_enable)
+        if prev_type == "ELSE" and self.TypeCombo.currentData() in ("ELSE IF", "ELSE"):
             self.TypeCombo.setCurrentIndex(0)
 
     @Slot(int)
     def onTypeChanged(
         self,
-        _idx
+        idx: int
     ):
 
-        isCond = self.TypeCombo.currentData() in ("IF", "ELSE IF")
-        self.ConditionWidget.setVisible(isCond)
+        is_cond = self.TypeCombo.currentData() in ("IF", "ELSE IF")
+        self.ConditionWidget.setVisible(is_cond)
         self.ActionLabel.setText(
-            "执行步骤:" if isCond else "ELSE 执行步骤:"
+            "执行步骤:" if is_cond else "ELSE 执行步骤:"
         )

src/gui/ALAutoScriptOrchDialog/_dialog.py

@@ -35,7 +35,7 @@ class ALAutoScriptOrchDialog(QDialog):
 
         super().__init__(parent)
         self._blocks = []
-        self._varMgr = VariableManager(self)
+        self._var_mgr = VariableManager(self)
 
         self.setupUi()
         self.connectSignals()
@@ -91,7 +91,7 @@ class ALAutoScriptOrchDialog(QDialog):
     ):
 
         Block = ConditionalBlock(
-            len(self._blocks), self._varMgr, parent=self
+            len(self._blocks), self._var_mgr, parent=self
         )
         Block.DeleteBlockBtn.clicked.connect(lambda: self.removeBlock(Block))
         Block.TypeCombo.currentIndexChanged.connect(self.updateBlockTypeRestrictions)

src/gui/ALAutoScriptOrchDialog/_helpers.py

@@ -46,11 +46,11 @@ def getTypeOrder(
     return [t for t, _ in VARTYPE_INFOS]
 
 def getArithType(
-    varType: str
+    var_type: str
 ) -> bool:
 
     for t, a in VARTYPE_INFOS:
-        if t == varType:
+        if t == var_type:
             return a
 
 def getPresetVars(
@@ -113,36 +113,36 @@ class _DateInputContainer(QWidget):
         Layout = QHBoxLayout(self)
         Layout.setContentsMargins(0, 0, 0, 0)
         Layout.setSpacing(4)
-        self._ModeCombo = QComboBox(self)
-        self._ModeCombo.addItem("相对日期", "relative")
-        self._ModeCombo.addItem("绝对日期", "absolute")
-        self._ModeCombo.setFixedHeight(25)
-        self._Stack = QStackedWidget(self)
-        self._RelCombo = QComboBox(self)
+        self.ModeCombo = QComboBox(self)
+        self.ModeCombo.addItem("相对日期", "relative")
+        self.ModeCombo.addItem("绝对日期", "absolute")
+        self.ModeCombo.setFixedHeight(25)
+        self.Stack = QStackedWidget(self)
+        self.RelCombo = QComboBox(self)
         for display, data in DATE_OPTIONS:
-            self._RelCombo.addItem(display, data)
-        self._RelCombo.setFixedHeight(25)
-        self._Stack.addWidget(self._RelCombo)
-        self._DateEdit = QDateEdit(self)
-        self._DateEdit.setDisplayFormat("yyyy-MM-dd")
-        self._DateEdit.setCalendarPopup(True)
-        self._DateEdit.setFixedHeight(25)
-        self._Stack.addWidget(self._DateEdit)
-        self._ModeCombo.currentIndexChanged.connect(
-            lambda i: self._Stack.setCurrentIndex(i)
+            self.RelCombo.addItem(display, data)
+        self.RelCombo.setFixedHeight(25)
+        self.Stack.addWidget(self.RelCombo)
+        self.DateEdit = QDateEdit(self)
+        self.DateEdit.setDisplayFormat("yyyy-MM-dd")
+        self.DateEdit.setCalendarPopup(True)
+        self.DateEdit.setFixedHeight(25)
+        self.Stack.addWidget(self.DateEdit)
+        self.ModeCombo.currentIndexChanged.connect(
+            lambda i: self.Stack.setCurrentIndex(i)
         )
-        Layout.addWidget(self._ModeCombo)
-        Layout.addWidget(self._Stack)
+        Layout.addWidget(self.ModeCombo)
+        Layout.addWidget(self.Stack)
         Layout.addStretch()
 
     def getValue(
         self
     ) -> str:
 
-        mode = self._ModeCombo.currentData()
+        mode = self.ModeCombo.currentData()
         if mode == "relative":
-            return self._RelCombo.currentText()
-        return self._DateEdit.date().toString("yyyy-MM-dd")
+            return self.RelCombo.currentText()
+        return self.DateEdit.date().toString("yyyy-MM-dd")
 
 
 class _TimeInputContainer(QWidget):
@@ -153,19 +153,19 @@ class _TimeInputContainer(QWidget):
     ):
 
         super().__init__(parent)
-        self._TimeEdit = QTimeEdit(self)
-        self._TimeEdit.setDisplayFormat("HH:mm")
-        self._TimeEdit.setFixedHeight(25)
+        self.TimeEdit = QTimeEdit(self)
+        self.TimeEdit.setDisplayFormat("HH:mm")
+        self.TimeEdit.setFixedHeight(25)
 
         Layout = QHBoxLayout(self)
         Layout.setContentsMargins(0, 0, 0, 0)
-        Layout.addWidget(self._TimeEdit)
+        Layout.addWidget(self.TimeEdit)
 
     def getValue(
         self
     ) -> str:
 
-        return self._TimeEdit.time().toString("HH:mm")
+        return self.TimeEdit.time().toString("HH:mm")
 
 
 class _DateOffsetContainer(QWidget):
@@ -176,19 +176,19 @@ class _DateOffsetContainer(QWidget):
     ):
 
         super().__init__(parent)
-        self._SpinBox = QSpinBox(self)
-        self._SpinBox.setRange(0, 99999)
-        self._SpinBox.setFixedHeight(25)
-        self._UnitCombo = QComboBox(self)
+        self.SpinBox = QSpinBox(self)
+        self.SpinBox.setRange(0, 99999)
+        self.SpinBox.setFixedHeight(25)
+        self.UnitCombo = QComboBox(self)
         for display, data in DATE_OFFSET_OPTIONS:
-            self._UnitCombo.addItem(display, data)
-        self._UnitCombo.setFixedHeight(25)
+            self.UnitCombo.addItem(display, data)
+        self.UnitCombo.setFixedHeight(25)
 
         Layout = QHBoxLayout(self)
         Layout.setContentsMargins(0, 0, 0, 0)
         Layout.setSpacing(4)
-        Layout.addWidget(self._SpinBox)
-        Layout.addWidget(self._UnitCombo)
+        Layout.addWidget(self.SpinBox)
+        Layout.addWidget(self.UnitCombo)
         Layout.addStretch()
 
     def getValue(
@@ -201,8 +201,8 @@ class _DateOffsetContainer(QWidget):
         self
     ) -> int:
 
-        val = self._SpinBox.value()
-        unit = self._UnitCombo.currentData()
+        val = self.SpinBox.value()
+        unit = self.UnitCombo.currentData()
         if unit == "weeks":
             return val*7
         if unit == "months":
@@ -220,14 +220,14 @@ class _TimeOffsetContainer(QWidget):
     ):
 
         super().__init__(parent)
-        self._SpinBox = QSpinBox(self)
-        self._SpinBox.setRange(0, 99999)
-        self._SpinBox.setSuffix(" 小时")
-        self._SpinBox.setFixedHeight(25)
+        self.SpinBox = QSpinBox(self)
+        self.SpinBox.setRange(0, 99999)
+        self.SpinBox.setSuffix(" 小时")
+        self.SpinBox.setFixedHeight(25)
 
         Layout = QHBoxLayout(self)
         Layout.setContentsMargins(0, 0, 0, 0)
-        Layout.addWidget(self._SpinBox)
+        Layout.addWidget(self.SpinBox)
 
     def getValue(
         self
@@ -239,7 +239,7 @@ class _TimeOffsetContainer(QWidget):
         self
     ) -> int:
 
-        return self._SpinBox.value()
+        return self.SpinBox.value()
 
 
 class VariableManager(QObject):
@@ -251,7 +251,7 @@ class VariableManager(QObject):
 
         super().__init__(parent)
         self._vars = []
-        self._nameMap = {}
+        self._name_map = {}
 
         self.initPresetVars()
 
@@ -262,21 +262,21 @@ class VariableManager(QObject):
         for p in getPresetVars():
             entry = {"name": p["name"], "type": p["type"], "display": p["display"]}
             self._vars.append(entry)
-            self._nameMap[p["name"]] = entry
+            self._name_map[p["name"]] = entry
 
     def getInfoByName(
         self,
         name: str
     ):
 
-        return self._nameMap.get(name.upper().strip())
+        return self._name_map.get(name.upper().strip())
 
     def populateCombo(
         self,
         combo: QComboBox
     ):
 
-        currentData = combo.currentData()
+        current_data = combo.currentData()
         combo.blockSignals(True)
         combo.clear()
         for entry in self._vars:
@@ -284,10 +284,10 @@ class VariableManager(QObject):
                 entry["display"],
                 (entry["name"], entry["type"])
             )
-        if currentData:
+        if current_data:
             for i in range(combo.count()):
                 d = combo.itemData(i)
-                if d and d[0] == currentData[0]:
+                if d and d[0] == current_data[0]:
                     combo.setCurrentIndex(i)
                     break
         combo.blockSignals(False)
@@ -299,40 +299,40 @@ def makeValueWidget(
 ) -> QWidget:
 
     if var_type == "Int":
-        w = QSpinBox(parent)
-        w.setRange(-999999, 999999)
-        w.setFixedHeight(25)
-        w.setMinimumWidth(100)
-        return w
+        Widget = QSpinBox(parent)
+        Widget.setRange(-999999, 999999)
+        Widget.setFixedHeight(25)
+        Widget.setMinimumWidth(100)
+        return Widget
     if var_type == "Float":
-        w = QDoubleSpinBox(parent)
-        w.setRange(-999999.0, 999999.0)
-        w.setDecimals(2)
-        w.setFixedHeight(25)
-        w.setMinimumWidth(100)
-        return w
+        Widget = QDoubleSpinBox(parent)
+        Widget.setRange(-999999.0, 999999.0)
+        Widget.setDecimals(2)
+        Widget.setFixedHeight(25)
+        Widget.setMinimumWidth(100)
+        return Widget
     if var_type == "String":
-        w = QLineEdit(parent)
-        w.setPlaceholderText("输入值")
-        w.setFixedHeight(25)
-        w.setMinimumWidth(120)
-        return w
+        Widget = QLineEdit(parent)
+        Widget.setPlaceholderText("输入值")
+        Widget.setFixedHeight(25)
+        Widget.setMinimumWidth(120)
+        return Widget
     if var_type == "Boolean":
-        w = QComboBox(parent)
-        w.addItem("是 (true)", "true")
-        w.addItem("否 (false)", "false")
-        w.setFixedHeight(25)
-        w.setMinimumWidth(100)
-        return w
+        Widget = QComboBox(parent)
+        Widget.addItem("是 (true)", "true")
+        Widget.addItem("否 (false)", "false")
+        Widget.setFixedHeight(25)
+        Widget.setMinimumWidth(100)
+        return Widget
     if var_type == "Date":
         return _DateInputContainer(parent)
     if var_type == "Time":
         return _TimeInputContainer(parent)
-    w = QLineEdit(parent)
-    w.setPlaceholderText("输入值")
-    w.setFixedHeight(25)
-    w.setMinimumWidth(120)
-    return w
+    Widget = QLineEdit(parent)
+    Widget.setPlaceholderText("输入值")
+    Widget.setFixedHeight(25)
+    Widget.setMinimumWidth(120)
+    return Widget
 
 def makeOffsetWidget(
     var_type: str,
@@ -340,35 +340,35 @@ def makeOffsetWidget(
 ) -> QWidget:
 
     if var_type == "Int":
-        w = QSpinBox(parent)
-        w.setRange(-999999, 999999)
-        w.setFixedHeight(25)
-        w.setMinimumWidth(100)
-        return w
+        Widget = QSpinBox(parent)
+        Widget.setRange(-999999, 999999)
+        Widget.setFixedHeight(25)
+        Widget.setMinimumWidth(100)
+        return Widget
     if var_type == "Float":
-        w = QDoubleSpinBox(parent)
-        w.setRange(-999999.0, 999999.0)
-        w.setDecimals(2)
-        w.setFixedHeight(25)
-        w.setMinimumWidth(100)
-        return w
+        Widget = QDoubleSpinBox(parent)
+        Widget.setRange(-999999.0, 999999.0)
+        Widget.setDecimals(2)
+        Widget.setFixedHeight(25)
+        Widget.setMinimumWidth(100)
+        return Widget
     if var_type == "Date":
         return _DateOffsetContainer(parent)
     if var_type == "Time":
         return _TimeOffsetContainer(parent)
-    w = QLabel("(不支持该操作)", parent)
-    w.setFixedHeight(25)
-    return w
+    Widget = QLabel("(不支持该操作)", parent)
+    Widget.setFixedHeight(25)
+    return Widget
 
 def makeVarRefCombo(
     parent: QWidget = None
 ) -> QComboBox:
 
-    Cb = QComboBox(parent)
-    Cb.setFixedHeight(25)
-    Cb.setMinimumWidth(120)
-    Cb.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
-    return Cb
+    ComboBox = QComboBox(parent)
+    ComboBox.setFixedHeight(25)
+    ComboBox.setMinimumWidth(120)
+    ComboBox.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
+    return ComboBox
 
 def makeComboWidget(
     items,
@@ -376,12 +376,12 @@ def makeComboWidget(
     parent: QWidget = None
 ) -> QComboBox:
 
-    Cb = QComboBox(parent)
+    ComboBox = QComboBox(parent)
     for display, data in items:
-        Cb.addItem(display, data)
-    Cb.setFixedHeight(25)
-    Cb.setMinimumWidth(min_width)
-    return Cb
+        ComboBox.addItem(display, data)
+    ComboBox.setFixedHeight(25)
+    ComboBox.setMinimumWidth(min_width)
+    return ComboBox
 
 def makeLabel(
     text: str,
@@ -389,30 +389,30 @@ def makeLabel(
     width: int = None
 ) -> QLabel:
 
-    Lbl = QLabel(text, parent)
-    Lbl.setFixedHeight(25)
+    Label = QLabel(text, parent)
+    Label.setFixedHeight(25)
     if width:
-        Lbl.setFixedWidth(width)
-    return Lbl
+        Label.setFixedWidth(width)
+    return Label
 
 def getValueFromWidget(
-    w: QWidget
+    widget: QWidget
 ) -> str:
 
-    if hasattr(w, "getValue"):
-        return w.getValue()
-    if isinstance(w, QTimeEdit):
-        return w.time().toString("HH:mm")
-    if isinstance(w, QDateEdit):
-        return w.date().toString("yyyy-MM-dd")
-    if isinstance(w, QComboBox):
-        return w.currentData() or w.currentText()
-    if isinstance(w, QSpinBox):
-        return str(w.value())
-    if isinstance(w, QDoubleSpinBox):
-        return str(w.value())
-    if isinstance(w, QLineEdit):
-        return w.text()
+    if hasattr(widget, "getValue"):
+        return widget.getValue()
+    if isinstance(widget, QTimeEdit):
+        return widget.time().toString("HH:mm")
+    if isinstance(widget, QDateEdit):
+        return widget.date().toString("yyyy-MM-dd")
+    if isinstance(widget, QComboBox):
+        return widget.currentData() or widget.currentText()
+    if isinstance(widget, QSpinBox):
+        return str(widget.value())
+    if isinstance(widget, QDoubleSpinBox):
+        return str(widget.value())
+    if isinstance(widget, QLineEdit):
+        return widget.text()
     return ""
 
 def encodeValueStr(

src/gui/ALAutoScriptOrchDialog/_widgets.py

@@ -42,18 +42,18 @@ class ConditionRowFrame(QFrame):
 
     def __init__(
         self,
-        varMgr,
-        parentBlockIndex: int = 0,
-        isFirst: bool = False,
+        var_mgr,
+        parent_block_index: int = 0,
+        is_first: bool = False,
         parent = None
     ):
 
         super().__init__(parent)
-        self._varMgr = varMgr
-        self._blockIndex = parentBlockIndex
-        self._isFirst = isFirst
-        self._isBoolMode = False
-        self._rawRhsExpr = ""
+        self._var_mgr = var_mgr
+        self._block_index = parent_block_index
+        self._is_first = is_first
+        self._is_bool_mode = False
+        self._raw_rhs_expr = ""
 
         self.setupUi()
         self.connectSignals()
@@ -69,7 +69,7 @@ class ConditionRowFrame(QFrame):
         Layout = QHBoxLayout(self)
         Layout.setContentsMargins(2, 2, 2, 2)
         Layout.setSpacing(4)
-        if self._isFirst:
+        if self._is_first:
             self.LogicCombo = None
         else:
             self.LogicCombo = makeComboWidget(LOGIC_OPTIONS, min_width=110, parent=self)
@@ -82,11 +82,11 @@ class ConditionRowFrame(QFrame):
         Layout.addWidget(self.LeftVarCombo)
         self.OpCombo = makeComboWidget(COMPARE_OPTIONS, min_width=80, parent=self)
         Layout.addWidget(self.OpCombo)
-        self._CompTypeCombo = makeComboWidget([
+        self.CompTypeCombo = makeComboWidget([
             ("特定值", "literal"),
             ("变量", "variable"),
         ], min_width=70, parent=self)
-        Layout.addWidget(self._CompTypeCombo)
+        Layout.addWidget(self.CompTypeCombo)
         self.RhsStack = QStackedWidget(self)
         self.RhsStack.setFixedHeight(25)
         self.initLiteralStack()
@@ -94,7 +94,7 @@ class ConditionRowFrame(QFrame):
         self.RhsStack.addWidget(self.RhsVarCombo)
         self.RhsStack.setCurrentIndex(0)
         Layout.addWidget(self.RhsStack)
-        if not self._isFirst:
+        if not self._is_first:
             self.DeleteBtn = QPushButton("×", self)
             self.DeleteBtn.setFixedSize(25, 25)
             self.DeleteBtn.setStyleSheet("color: red; font-weight: bold;")
@@ -108,21 +108,21 @@ class ConditionRowFrame(QFrame):
         self
     ):
 
-        wasBool = self._isBoolMode
-        boolName = None
-        if wasBool:
+        was_bool = self._is_bool_mode
+        bool_name = None
+        if was_bool:
             data = self.LeftVarCombo.currentData()
             if data:
-                boolName = data[0]
-        self._varMgr.populateCombo(self.LeftVarCombo)
+                bool_name = data[0]
+        self._var_mgr.populateCombo(self.LeftVarCombo)
         # Append boolean literal sentinels at the end
         self.LeftVarCombo.insertSeparator(self.LeftVarCombo.count())
         self.LeftVarCombo.addItem("true", ("true", "Boolean"))
         self.LeftVarCombo.addItem("false", ("false", "Boolean"))
-        if wasBool and boolName:
+        if was_bool and bool_name:
             for ci in range(self.LeftVarCombo.count()):
                 d = self.LeftVarCombo.itemData(ci)
-                if d and d[0] == boolName:
+                if d and d[0] == bool_name:
                     self.LeftVarCombo.setCurrentIndex(ci)
                     break
 
@@ -130,7 +130,7 @@ class ConditionRowFrame(QFrame):
         self
     ):
 
-        self._varMgr.populateCombo(self.RhsVarCombo)
+        self._var_mgr.populateCombo(self.RhsVarCombo)
 
     def initLiteralStack(
         self
@@ -138,12 +138,12 @@ class ConditionRowFrame(QFrame):
 
         self.LiteralStack = QStackedWidget(self)
         self.LiteralStack.setFixedHeight(25)
-        self._literalWidgets = {}
+        self.literal_widgets = {}
         for vt in getTypeOrder():
             W = makeValueWidget(vt, self.LiteralStack)
-            self._literalWidgets[vt] = W
+            self.literal_widgets[vt] = W
             self.LiteralStack.addWidget(W)
-        self.LiteralStack.setCurrentWidget(self._literalWidgets.get("String"))
+        self.LiteralStack.setCurrentWidget(self.literal_widgets.get("String"))
         self.RhsStack.addWidget(self.LiteralStack)
 
     def connectSignals(
@@ -151,7 +151,7 @@ class ConditionRowFrame(QFrame):
     ):
 
         self.LeftVarCombo.currentIndexChanged.connect(self.onLeftVarChanged)
-        self._CompTypeCombo.currentIndexChanged.connect(self.onCompTypeChanged)
+        self.CompTypeCombo.currentIndexChanged.connect(self.onCompTypeChanged)
 
     def getLogic(
         self
@@ -164,16 +164,16 @@ class ConditionRowFrame(QFrame):
         vartype: str
     ):
 
-        if vartype not in self._literalWidgets:
+        if vartype not in self.literal_widgets:
             vartype = "String"
-        self.LiteralStack.setCurrentWidget(self._literalWidgets[vartype])
+        self.LiteralStack.setCurrentWidget(self.literal_widgets[vartype])
 
     def toScript(
         self
     ) -> str:
 
         data = self.LeftVarCombo.currentData()
-        if self._isBoolMode and data:
+        if self._is_bool_mode and data:
             return data[0]
         if not data:
             return ""
@@ -183,28 +183,28 @@ class ConditionRowFrame(QFrame):
             name = "datenow()"
         elif name == "CURRENT_TIME":
             name = "timenow()"
-        opSym = self.OpCombo.currentData()
-        if self._rawRhsExpr:
-            return f"{name} {opSym} {self._rawRhsExpr}"
-        isVarRef = (self._CompTypeCombo.currentData() == "variable")
-        if isVarRef:
+        op_sym = self.OpCombo.currentData()
+        if self._raw_rhs_expr:
+            return f"{name} {op_sym} {self._raw_rhs_expr}"
+        is_var_ref = (self.CompTypeCombo.currentData() == "variable")
+        if is_var_ref:
             rd = self.RhsVarCombo.currentData()
             if rd:
-                rhsName = rd[0]
-                if rhsName == "CURRENT_DATE":
-                    rhsName = "datenow()"
-                elif rhsName == "CURRENT_TIME":
-                    rhsName = "timenow()"
-                return f"{name} {opSym} {rhsName}"
-            rhsText = self.RhsVarCombo.currentText().strip()
-            if rhsText:
-                return f"{name} {opSym} {rhsText}"
+                rhs_name = rd[0]
+                if rhs_name == "CURRENT_DATE":
+                    rhs_name = "datenow()"
+                elif rhs_name == "CURRENT_TIME":
+                    rhs_name = "timenow()"
+                return f"{name} {op_sym} {rhs_name}"
+            rhs_text = self.RhsVarCombo.currentText().strip()
+            if rhs_text:
+                return f"{name} {op_sym} {rhs_text}"
             return ""
-        w = self._literalWidgets.get(vartype)
+        w = self.literal_widgets.get(vartype)
         if w:
-            rawVal = getValueFromWidget(w)
-            encoded = encodeValueStr(rawVal, vartype)
-            return f"{name} {opSym} {encoded}"
+            raw_val = getValueFromWidget(w)
+            encoded = encodeValueStr(raw_val, vartype)
+            return f"{name} {op_sym} {encoded}"
         return ""
 
     def refreshVarCombos(
@@ -220,19 +220,19 @@ class ConditionRowFrame(QFrame):
         idx
     ):
 
-        self._rawRhsExpr = ""
+        self._raw_rhs_expr = ""
         if idx < 0:
             return
         data = self.LeftVarCombo.itemData(idx)
         if not data:
             return
         name, vartype = data
-        isBool = name in ("true", "false")
-        self._isBoolMode = isBool
-        self.OpCombo.setVisible(not isBool)
-        self._CompTypeCombo.setVisible(not isBool)
-        self.RhsStack.setVisible(not isBool)
-        if not isBool:
+        is_bool = name in ("true", "false")
+        self._is_bool_mode = is_bool
+        self.OpCombo.setVisible(not is_bool)
+        self.CompTypeCombo.setVisible(not is_bool)
+        self.RhsStack.setVisible(not is_bool)
+        if not is_bool:
             self.updateRHSLiteralWidget(vartype)
 
     @Slot(int)
@@ -241,8 +241,8 @@ class ConditionRowFrame(QFrame):
         idx
     ):
 
-        self._rawRhsExpr = ""
-        isVar = (self._CompTypeCombo.currentData() == "variable")
+        self._raw_rhs_expr = ""
+        isVar = (self.CompTypeCombo.currentData() == "variable")
         self.RhsStack.setCurrentIndex(1 if isVar else 0)
         if isVar:
             self.populateRHSVarCombo()
@@ -252,15 +252,15 @@ class ActionStepFrame(QFrame):
 
     def __init__(
         self,
-        varMgr,
-        parentBlockIndex: int = 0,
+        var_mgr,
+        parent_block_index: int = 0,
         parent = None
     ):
 
         super().__init__(parent)
-        self._varMgr = varMgr
-        self._blockIndex = parentBlockIndex
-        self._currentTargetType = "String"
+        self._var_mgr = var_mgr
+        self._block_index = parent_block_index
+        self._current_target_type = "String"
 
         self.setupUi()
         self.connectSignals()
@@ -312,7 +312,7 @@ class ActionStepFrame(QFrame):
         for p in getPresetVars():
             if p["name"] in ("CURRENT_TIME", "CURRENT_DATE"):
                 continue
-            info = self._varMgr.getInfoByName(p["name"])
+            info = self._var_mgr.getInfoByName(p["name"])
             if info:
                 self.TargetCombo.addItem(
                     info["display"],
@@ -324,18 +324,18 @@ class ActionStepFrame(QFrame):
         self
     ):
 
-        self._literalWidgets = {}
-        self._offsetWidgets = {}
+        self.literal_widgets = {}
+        self.offset_widgets = {}
         for vt in getTypeOrder():
-            self._literalWidgets[vt] = makeValueWidget(vt, self.ValueStack)
-            self.ValueStack.addWidget(self._literalWidgets[vt])
+            self.literal_widgets[vt] = makeValueWidget(vt, self.ValueStack)
+            self.ValueStack.addWidget(self.literal_widgets[vt])
             if getArithType(vt):
-                self._offsetWidgets[vt] = makeOffsetWidget(vt, self.ValueStack)
-                self.ValueStack.addWidget(self._offsetWidgets[vt])
+                self.offset_widgets[vt] = makeOffsetWidget(vt, self.ValueStack)
+                self.ValueStack.addWidget(self.offset_widgets[vt])
             else:
                 Lbl = QLabel("(不支持该操作)", self.ValueStack)
                 Lbl.setFixedHeight(25)
-                self._offsetWidgets[vt] = Lbl
+                self.offset_widgets[vt] = Lbl
                 self.ValueStack.addWidget(Lbl)
 
     def connectSignals(
@@ -358,14 +358,14 @@ class ActionStepFrame(QFrame):
     ):
 
         op = self.OpTypeCombo.currentData()
-        isArith = (op in ("add", "sub"))
-        actualType = self._currentTargetType
-        if isArith and actualType in self._offsetWidgets:
-            self.ValueStack.setCurrentWidget(self._offsetWidgets[actualType])
-        elif actualType in self._literalWidgets:
-            self.ValueStack.setCurrentWidget(self._literalWidgets[actualType])
+        is_arith = (op in ("add", "sub"))
+        actual_type = self._current_target_type
+        if is_arith and actual_type in self.offset_widgets:
+            self.ValueStack.setCurrentWidget(self.offset_widgets[actual_type])
+        elif actual_type in self.literal_widgets:
+            self.ValueStack.setCurrentWidget(self.literal_widgets[actual_type])
         else:
-            self.ValueStack.setCurrentWidget(self._literalWidgets.get("String"))
+            self.ValueStack.setCurrentWidget(self.literal_widgets.get("String"))
 
     def toScript(
         self
@@ -380,10 +380,10 @@ class ActionStepFrame(QFrame):
             return "    -- pass"
         if not target:
             return ""
-        rawVal = self.getValueRaw()
-        vartype = self._currentTargetType
+        raw_val = self.getValueRaw()
+        vartype = self._current_target_type
         if op == "set":
-            encoded = encodeValueStr(rawVal, vartype)
+            encoded = encodeValueStr(raw_val, vartype)
             return f"    {target} = {encoded}"
         elif op == "add":
             if vartype == "Date" and hasattr(self.ValueStack.currentWidget(), "getOffsetDays"):
@@ -392,7 +392,7 @@ class ActionStepFrame(QFrame):
             if vartype == "Time" and hasattr(self.ValueStack.currentWidget(), "getOffsetHours"):
                 hours = self.ValueStack.currentWidget().getOffsetHours()
                 return f"    {target} = timeadd({target}, {hours})"
-            return f"    {target} = {target} + {rawVal}"
+            return f"    {target} = {target} + {raw_val}"
         elif op == "sub":
             if vartype == "Date" and hasattr(self.ValueStack.currentWidget(), "getOffsetDays"):
                 days = self.ValueStack.currentWidget().getOffsetDays()
@@ -400,7 +400,7 @@ class ActionStepFrame(QFrame):
             if vartype == "Time" and hasattr(self.ValueStack.currentWidget(), "getOffsetHours"):
                 hours = self.ValueStack.currentWidget().getOffsetHours()
                 return f"    {target} = timeadd({target}, -{hours})"
-            return f"    {target} = {target} - {rawVal}"
+            return f"    {target} = {target} - {raw_val}"
         return ""
 
     def getValueRaw(
@@ -419,15 +419,15 @@ class ActionStepFrame(QFrame):
         self
     ):
 
-        currentData = self.TargetCombo.currentData()
+        current_data = self.TargetCombo.currentData()
         self.populateTargetCombo()
-        if currentData:
+        if current_data:
             for i in range(self.TargetCombo.count()):
                 d = self.TargetCombo.itemData(i)
-                if d and d[0] == currentData[0]:
+                if d and d[0] == current_data[0]:
                     self.TargetCombo.setCurrentIndex(i)
                     break
-        self._varMgr.populateCombo(self.ExistingVarCombo)
+        self._var_mgr.populateCombo(self.ExistingVarCombo)
 
     @Slot(int)
     def onTargetChanged(
@@ -441,7 +441,7 @@ class ActionStepFrame(QFrame):
         if not data:
             return
         _, vartype = data
-        self._currentTargetType = vartype
+        self._current_target_type = vartype
         self.updateValueWidget()
         self.onValueSrcChanged(self.ValueSrcCombo.currentIndex())
 
@@ -459,10 +459,10 @@ class ActionStepFrame(QFrame):
         idx
     ):
 
-        isVar = (self.ValueSrcCombo.currentData() == "variable")
-        self.ValueStack.setVisible(not isVar)
-        self.ExistingVarCombo.setVisible(isVar)
-        if isVar:
-            self._varMgr.populateCombo(self.ExistingVarCombo)
+        is_var = (self.ValueSrcCombo.currentData() == "variable")
+        self.ValueStack.setVisible(not is_var)
+        self.ExistingVarCombo.setVisible(is_var)
+        if is_var:
+            self._var_mgr.populateCombo(self.ExistingVarCombo)
         else:
             self.updateValueWidget()

src/gui/ALBulletinDialog.py

@@ -0,0 +1,394 @@
+# -*- coding: utf-8 -*-
+"""
+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.
+"""
+import requests
+
+from datetime import datetime, timedelta
+from typing import Any
+
+from PySide6.QtCore import (
+    Qt,
+    QThread,
+    Signal,
+    Slot,
+    QTimer
+)
+from PySide6.QtGui import (
+    QFont
+)
+from PySide6.QtWidgets import (
+    QDialog,
+    QHBoxLayout,
+    QLabel,
+    QListWidgetItem,
+    QMessageBox,
+    QVBoxLayout,
+    QWidget
+)
+
+from gui.ALStatusLabel import ALStatusLabel
+from gui.resources.ui.Ui_ALBulletinDialog import Ui_ALBulletinDialog
+from managers.bulletin.BulletinManager import instance as bulletinInstance
+
+
+class ALBulletinFetchWorker(QThread):
+    """
+        Worker thread for fetching bulletins from the server.
+    """
+
+    fetchWorkerIsFinished = Signal(dict)
+    fetchWorkerFinishedWithError = Signal(str)
+
+    def __init__(
+        self,
+        parent=None,
+        request_url: str = "",
+        params: dict = None
+    ):
+
+        super().__init__(parent)
+        self.__request_url = request_url.rstrip("/") if request_url else ""
+        self.__params = params or {}
+
+    def run(
+        self
+    ):
+
+        try:
+            response = requests.get(
+                self.__request_url, params=self.__params, timeout=5
+            )
+            response.raise_for_status()
+            r = response.json()
+            if r.get("code") == 200:
+                data = r.get("data", {})
+                self.fetchWorkerIsFinished.emit(data)
+            else:
+                raise Exception(
+                    f"服务器返回错误: [{r.get('code', '未知代码')}] {r.get('msg', '未知错误')}"
+                )
+        except requests.RequestException as e:
+            self.fetchWorkerFinishedWithError.emit(f"获取公告数据时发生网络错误: \n{e}")
+        except Exception as e:
+            self.fetchWorkerFinishedWithError.emit(f"获取公告数据时发生未知错误: \n{e}")
+
+
+class ALBulletinItemWidget(QWidget):
+    """
+        Single bulletin item widget for the bulletin list.
+    """
+
+    def __init__(
+        self,
+        parent=None,
+        bulletin: dict[str, Any] = None
+    ):
+
+        super().__init__(parent)
+        self.__bulletin = bulletin.copy() if bulletin else {}
+        self.modifyUi()
+
+    def modifyUi(
+        self
+    ):
+
+        self.ItemWidgetLayout = QVBoxLayout()
+        self.ItemWidgetLayout.setSpacing(10)
+        self.ItemWidgetLayout.setContentsMargins(10, 5, 10, 5)
+        self.BulletinTitleLayout = QHBoxLayout()
+        self.BulletinTitleLabel = QLabel(self.__bulletin.get("title", "无标题"))
+        title_font = QFont()
+        title_font.setBold(True)
+        self.BulletinTitleLabel.setFont(title_font)
+        self.BulletinTitleLayout.addWidget(self.BulletinTitleLabel)
+        if self.__bulletin.get("isNew", False):
+            self.NewIndicatorLabel = QLabel("新 !")
+            self.NewIndicatorLabel.setStyleSheet(
+                "color: #DC0000;"\
+                "font-size: 10px;"\
+                "font-weight: bold;"\
+                "font-style: italic;"
+            )
+            self.NewIndicatorLabel.setFixedSize(25, 25)
+            self.BulletinTitleLayout.addWidget(self.NewIndicatorLabel)
+        else:
+            self.NewIndicatorLabel = None
+        if self.__bulletin.get("isEdited", False):
+            self.BulletinIsEditedLabel = QLabel("(已编辑)")
+            self.BulletinIsEditedLabel.setStyleSheet(
+                "color: #FF9800;"\
+                "font-size: 10px;"
+            )
+            self.BulletinTitleLayout.addWidget(self.BulletinIsEditedLabel)
+        self.BulletinTitleLayout.addStretch()
+        self.ItemWidgetLayout.addLayout(self.BulletinTitleLayout)
+        self.BulletinInfoLayout = QHBoxLayout()
+        self.BulletinDateLabel = QLabel()
+        try:
+            raw_dt = self.__bulletin.get("dateTime", "")
+            date_time = datetime.fromisoformat(raw_dt) if raw_dt else datetime.now()
+        except (ValueError, TypeError):
+            date_time = datetime.now()
+        self.BulletinDateLabel.setText(date_time.strftime("%Y-%m-%d %H:%M:%S"))
+        self.BulletinDateLabel.setStyleSheet("color: #969696; font-size: 11px;")
+        self.BulletinInfoLayout.addWidget(self.BulletinDateLabel)
+        self.BulletinAuthorLabel = QLabel(self.__bulletin.get("author", "未知"))
+        self.BulletinAuthorLabel.setStyleSheet("color: #969696; font-size: 11px;")
+        self.BulletinInfoLayout.addWidget(self.BulletinAuthorLabel)
+        self.BulletinInfoLayout.addStretch()
+        self.ItemWidgetLayout.addLayout(self.BulletinInfoLayout)
+        self.setLayout(self.ItemWidgetLayout)
+        self.__bulletin = None
+
+    def markAsRead(
+        self
+    ):
+
+        if self.NewIndicatorLabel:
+            self.NewIndicatorLabel.hide()
+
+
+class ALBulletinDialog(QDialog, Ui_ALBulletinDialog):
+    """
+        Bulletin viewer dialog.
+    """
+
+    def __init__(
+        self,
+        parent=None
+    ):
+        super().__init__(parent)
+        self.__sync_timer: QTimer | None = None
+        self.__fetch_worker: ALBulletinFetchWorker | None = None
+        self.__bulletin_mgr = bulletinInstance()
+
+        self.setupUi(self)
+        self.modifyUi()
+        self.connectSignals()
+        self.setupTimer()
+        if self.shouldAutoSync():
+            self.syncBulletin()
+
+    def modifyUi(
+        self
+    ):
+
+        self.ALSyncStatusLabel = ALStatusLabel(self)
+        self.ALSyncStatusLabel.setFixedSize(30, 30)
+        self.SyncLayout.replaceWidget(
+            self.SyncStatusPlaceholder, self.ALSyncStatusLabel
+        )
+        title_font = QFont()
+        title_font.setBold(True)
+        title_font.setPointSize(15)
+        self.BulletinTitleLabel.setFont(title_font)
+        self.BulletinDateLabel.setStyleSheet("color: #969696;")
+        self.BulletinAuthorLabel.setStyleSheet("color: #969696;")
+        self.BulletinIsEditedLabel.setStyleSheet("color: #FF9800;")
+        self.BulletinIsEditedLabel.hide()
+        last_time = self.__bulletin_mgr.lastSyncTime()
+        if last_time:
+            self.setLastSyncTime(last_time)
+        self.updateBulletinList(self.__bulletin_mgr.bulletins())
+
+    def shouldAutoSync(
+        self
+    ) -> bool:
+
+        last = self.__bulletin_mgr.lastSyncTime()
+        if last is None:
+            return True
+        try:
+            last_dt = datetime.fromisoformat(last)
+            interval_min = max(self.__bulletin_mgr.syncInterval()//2, 1)
+            threshold = timedelta(minutes=interval_min)
+            return (datetime.now().astimezone() - last_dt) > threshold
+        except (ValueError, TypeError):
+            return True
+
+    def setLastSyncTime(
+        self,
+        iso_str: str
+    ):
+
+        try:
+            dt = datetime.fromisoformat(iso_str)
+            self.LastSyncDateTimeEdit.setDateTime(dt)
+        except (ValueError, TypeError):
+            pass
+
+    def connectSignals(
+        self
+    ):
+
+        self.BulletinListWidget.itemClicked.connect(self.onBulletinListWidgetItemClicked)
+        self.SyncButton.clicked.connect(self.syncBulletin)
+
+    def setupTimer(
+        self
+    ):
+
+        self.__sync_timer = QTimer(self)
+        self.__sync_timer.timeout.connect(self.syncBulletin)
+        self.__sync_timer.start(self.__bulletin_mgr.syncInterval()*60*1000)
+
+    def updateBulletinList(
+        self,
+        bulletins: list[dict]
+    ):
+
+        self.BulletinListWidget.clear()
+        sorted_list = sorted(
+            bulletins, key=lambda x: x.get("dateTime", ""), reverse=True
+        )
+        for bulletin in sorted_list:
+            item = QListWidgetItem()
+            item.setData(Qt.UserRole, bulletin)
+            widget = ALBulletinItemWidget(self, bulletin)
+            item.setSizeHint(widget.sizeHint())
+            self.BulletinListWidget.addItem(item)
+            self.BulletinListWidget.setItemWidget(item, widget)
+
+    def showBulletin(
+        self,
+        bulletin: dict
+    ):
+
+        self.BulletinTitleLabel.setText(bulletin.get("title", "无标题"))
+        try:
+            raw_dt = bulletin.get("dateTime", "")
+            date_time = datetime.fromisoformat(raw_dt) if raw_dt else datetime.now()
+        except (ValueError, TypeError):
+            date_time = datetime.now()
+        self.BulletinDateLabel.setText(date_time.strftime("%Y-%m-%d %H:%M:%S"))
+        self.BulletinAuthorLabel.setText(bulletin.get("author", "未知"))
+        if bulletin.get("isEdited", False):
+            self.BulletinIsEditedLabel.show()
+        else:
+            self.BulletinIsEditedLabel.hide()
+        self.BulletinContentTextBrowser.setHtml(
+            "<div style='font-size: 14px;'>{content}</div>".format(
+                content=bulletin.get("content", "无内容")
+            )
+        )
+
+    def clearBulletin(
+        self
+    ):
+
+        self.BulletinTitleLabel.setText("")
+        self.BulletinDateLabel.setText("")
+        self.BulletinAuthorLabel.setText("")
+        self.BulletinContentTextBrowser.setText("")
+        self.BulletinIsEditedLabel.hide()
+
+    def syncBulletin(
+        self
+    ):
+
+        if self.__fetch_worker is not None:
+            return
+        self.SyncButton.setEnabled(False)
+        self.SyncButton.setText("同步中...")
+        self.ALSyncStatusLabel.status = ALStatusLabel.Status.RUNNING
+        self.SyncStatusDetailLabel.setText("")
+        self.SyncStatusDetailLabel.setStyleSheet("")
+        params = self.__bulletin_mgr.getSyncDateTimeAndRange()
+        self.__fetch_worker = ALBulletinFetchWorker(
+            self, self.__bulletin_mgr.apiUrl(), params
+        )
+        self.__fetch_worker.fetchWorkerIsFinished.connect(self.onBulletinsFetched)
+        self.__fetch_worker.fetchWorkerFinishedWithError.connect(self.onBulletinsFetchError)
+        self.__fetch_worker.start()
+
+    @Slot(dict)
+    def onBulletinsFetched(
+        self,
+        data: dict
+    ):
+
+        worker = self.sender()
+        if worker is not self.__fetch_worker:
+            return
+        worker.fetchWorkerIsFinished.disconnect(self.onBulletinsFetched)
+        worker.fetchWorkerFinishedWithError.disconnect(self.onBulletinsFetchError)
+        worker.wait(2000)
+        worker.deleteLater()
+        self.__fetch_worker = None
+        bulletins = data.get("bulletins", [])
+        delete_ids = data.get("delete_ids", [])
+        merged = self.__bulletin_mgr.updateAndMergeBulletins(bulletins, delete_ids)
+        self.__bulletin_mgr.setLastSyncTime(datetime.now().astimezone().isoformat())
+        self.SyncButton.setEnabled(True)
+        self.SyncButton.setText("同步")
+        self.ALSyncStatusLabel.status = ALStatusLabel.Status.SUCCESS
+        self.SyncStatusDetailLabel.setText("同步成功")
+        self.SyncStatusDetailLabel.setStyleSheet("color: green;")
+        QTimer.singleShot(3000, self, self.clearSyncStatus)
+
+        self.setLastSyncTime(self.__bulletin_mgr.lastSyncTime())
+        self.updateBulletinList(merged)
+        self.clearBulletin()
+        interval_ms = self.__bulletin_mgr.syncInterval()*60*1000
+        if self.__sync_timer:
+            self.__sync_timer.start(interval_ms)
+
+    @Slot(str)
+    def onBulletinsFetchError(
+        self,
+        error_message: str
+    ):
+
+        worker = self.sender()
+        if worker is not self.__fetch_worker:
+            return
+        worker.fetchWorkerIsFinished.disconnect(self.onBulletinsFetched)
+        worker.fetchWorkerFinishedWithError.disconnect(self.onBulletinsFetchError)
+        worker.wait(2000)
+        worker.deleteLater()
+        self.__fetch_worker = None
+        self.SyncButton.setEnabled(True)
+        self.SyncButton.setText("重试")
+        self.ALSyncStatusLabel.status = ALStatusLabel.Status.FAILURE
+        self.SyncStatusDetailLabel.setText("同步失败，请检查网络连接")
+        self.SyncStatusDetailLabel.setStyleSheet("color: red;")
+        QMessageBox.warning(
+            self,
+            "警告 - AutoLibrary",
+            f"同步失败：{error_message}"
+        )
+        interval_ms = self.__bulletin_mgr.syncInterval()*60*1000
+        if self.__sync_timer:
+            self.__sync_timer.start(interval_ms)
+
+    def clearSyncStatus(
+        self
+    ):
+
+        self.ALSyncStatusLabel.status = ALStatusLabel.Status.WAITING
+        self.SyncStatusDetailLabel.setText("")
+        self.SyncStatusDetailLabel.setStyleSheet("")
+
+    @Slot(QListWidgetItem)
+    def onBulletinListWidgetItemClicked(
+        self,
+        item: QListWidgetItem
+    ):
+
+        if item is None or item.data(Qt.UserRole) is None:
+            return
+        bulletin = item.data(Qt.UserRole)
+        if bulletin.get("isNew", False):
+            bulletin["isNew"] = False
+            widget = self.BulletinListWidget.itemWidget(item)
+            if widget:
+                widget.markAsRead()
+            item.setData(Qt.UserRole, bulletin)
+            self.__bulletin_mgr.markBulletinAsRead(bulletin["id"])
+        self.showBulletin(bulletin)

src/gui/ALBulletinPoller.py

@@ -0,0 +1,188 @@
+# -*- coding: utf-8 -*-
+"""
+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.
+"""
+from datetime import datetime
+
+from PySide6.QtCore import (
+    QObject,
+    QTimer,
+    Signal,
+    Slot
+)
+
+from gui.ALBulletinDialog import ALBulletinFetchWorker
+from managers.bulletin.BulletinManager import instance as bulletinInstance
+
+
+class ALBulletinPoller(QObject):
+    """
+        Background bulletin poller.
+
+        Owns the periodic poll timer and the ALBulletinFetchWorker
+        lifecycle. Emits signals when new bulletins are detected so
+        the owner can show tray notifications without knowing the
+        fetch / merge details.
+    """
+
+    newBulletinsDetected = Signal(int)
+
+    def __init__(
+        self,
+        parent=None
+    ):
+
+        super().__init__(parent)
+        self.__timer = QTimer(self)
+        self.__timer.timeout.connect(self.__poll)
+        self.__worker = None
+        self.__dialog_open = False
+        self.__stopped = False
+        self.__mgr = bulletinInstance()
+
+    def start(
+        self
+    ):
+
+        self.__stopped = False
+        interval_ms = self.__mgr.syncInterval()*60*1000
+        self.__timer.start(interval_ms)
+
+    def stop(
+        self
+    ):
+
+        self.__stopped = True
+        self.__timer.stop()
+        self.__cleanupWorker()
+
+    def restart(
+        self
+    ):
+
+        self.stop()
+        self.start()
+
+    def fetchNow(
+        self
+    ):
+
+        if self.__worker is not None:
+            return
+        if self.__dialog_open:
+            return
+        self.__doFetch()
+
+    def isPolling(
+        self
+    ) -> bool:
+
+        return self.__timer.isActive()
+
+    def setDialogOpen(
+        self,
+        open: bool
+    ):
+
+        self.__dialog_open = open
+
+    def __disconnectWorker(
+        self,
+        worker: ALBulletinFetchWorker
+    ):
+
+        try:
+            worker.fetchWorkerIsFinished.disconnect(self.__onFetched)
+        except (TypeError, RuntimeError):
+            pass
+        try:
+            worker.fetchWorkerFinishedWithError.disconnect(self.__onError)
+        except (TypeError, RuntimeError):
+            pass
+
+    def __cleanupWorker(
+        self
+    ):
+
+        if self.__worker is None:
+            return
+        self.__disconnectWorker(self.__worker)
+        self.__worker.wait(2000)
+        self.__worker.deleteLater()
+        self.__worker = None
+
+    def __doFetch(
+        self
+    ):
+
+        params = self.__mgr.getSyncDateTimeAndRange()
+        self.__worker = ALBulletinFetchWorker(
+            self, self.__mgr.apiUrl(), params
+        )
+        self.__worker.fetchWorkerIsFinished.connect(self.__onFetched)
+        self.__worker.fetchWorkerFinishedWithError.connect(self.__onError)
+        self.__worker.start()
+
+    @Slot()
+    def __poll(
+        self
+    ):
+
+        if self.__worker is not None:
+            return
+        if self.__dialog_open:
+            return
+        self.__doFetch()
+
+    @Slot(dict)
+    def __onFetched(
+        self,
+        data: dict
+    ):
+
+        worker = self.sender()
+        if worker is not self.__worker:
+            return
+        self.__disconnectWorker(worker)
+        worker.wait(2000)
+        worker.deleteLater()
+        self.__worker = None
+        old_ids = {str(b.get("id", "")) for b in self.__mgr.bulletins()}
+        bulletins = data.get("bulletins", [])
+        delete_ids = data.get("delete_ids", [])
+        self.__mgr.updateAndMergeBulletins(bulletins, delete_ids)
+        self.__mgr.setLastSyncTime(datetime.now().astimezone().isoformat())
+        delete_id_set = {str(d) for d in delete_ids}
+        new_ids = {
+            str(b.get("id", ""))
+            for b in bulletins
+            if str(b.get("id", "")) and str(b.get("id", "")) not in old_ids
+        }
+        new_ids -= delete_id_set
+        if new_ids:
+            self.newBulletinsDetected.emit(len(new_ids))
+        if not self.__stopped:
+            interval_ms = self.__mgr.syncInterval()*60*1000
+            self.__timer.start(interval_ms)
+
+    @Slot(str)
+    def __onError(
+        self,
+        error_message: str
+    ):
+
+        worker = self.sender()
+        if worker is not self.__worker:
+            return
+        self.__disconnectWorker(worker)
+        worker.wait(2000)
+        worker.deleteLater()
+        self.__worker = None
+        if not self.__stopped:
+            interval_ms = self.__mgr.syncInterval()*60*1000
+            self.__timer.start(interval_ms)

src/gui/ALConfigWidget.py

@@ -364,18 +364,18 @@ class ALConfigWidget(CenterOnParentMixin, QWidget, Ui_ALConfigWidget):
 
         user_config = self.defaultUserConfig()
         for i in range(self.UserTreeWidget.topLevelItemCount()):
-            GroupItem = self.UserTreeWidget.topLevelItem(i)
+            group_item = self.UserTreeWidget.topLevelItem(i)
             group_config = {
-                "name": GroupItem.text(0),
-                "enabled": GroupItem.checkState(1) == Qt.CheckState.Checked,
+                "name": group_item.text(0),
+                "enabled": group_item.checkState(1) == Qt.CheckState.Checked,
                 "users": []
             }
-            for j in range(GroupItem.childCount()):
-                UserItem = GroupItem.child(j)
-                user = UserItem.data(0, Qt.UserRole)
+            for j in range(group_item.childCount()):
+                user_item = group_item.child(j)
+                user = user_item.data(0, Qt.UserRole)
                 if not user:
                     continue
-                user["enabled"] = UserItem.checkState(1) == Qt.CheckState.Checked
+                user["enabled"] = user_item.checkState(1) == Qt.CheckState.Checked
                 group_config["users"].append(user)
             user_config["groups"].append(group_config)
         return user_config
@@ -431,18 +431,18 @@ class ALConfigWidget(CenterOnParentMixin, QWidget, Ui_ALConfigWidget):
         try:
             if "groups" in users:
                 for group_config in users["groups"]:
-                    GroupItem = QTreeWidgetItem(self.UserTreeWidget, ALUserTreeItemType.GROUP.value)
-                    GroupItem.setText(0, group_config["name"])
-                    GroupItem.setFlags(GroupItem.flags() | Qt.ItemIsEditable)
-                    GroupItem.setCheckState(1, Qt.Checked if group_config.get("enabled", True) else Qt.Unchecked)
+                    group_item = QTreeWidgetItem(self.UserTreeWidget, ALUserTreeItemType.GROUP.value)
+                    group_item.setText(0, group_config["name"])
+                    group_item.setFlags(group_item.flags() | Qt.ItemIsEditable)
+                    group_item.setCheckState(1, Qt.Checked if group_config.get("enabled", True) else Qt.Unchecked)
                     for user_config in group_config["users"]:
-                        UserItem = QTreeWidgetItem(GroupItem, ALUserTreeItemType.USER.value)
-                        UserItem.setText(0, user_config["username"])
-                        UserItem.setText(1, "" if user_config.get("enabled", True) else "跳过")
-                        UserItem.setData(0, Qt.UserRole, user_config)
-                        UserItem.setCheckState(1, Qt.Checked if user_config.get("enabled", True) else Qt.Unchecked)
-                        UserItem.setDisabled(not group_config.get("enabled", True))
-                    GroupItem.setExpanded(True)
+                        user_item = QTreeWidgetItem(group_item, ALUserTreeItemType.USER.value)
+                        user_item.setText(0, user_config["username"])
+                        user_item.setText(1, "" if user_config.get("enabled", True) else "跳过")
+                        user_item.setData(0, Qt.UserRole, user_config)
+                        user_item.setCheckState(1, Qt.Checked if user_config.get("enabled", True) else Qt.Unchecked)
+                        user_item.setDisabled(not group_config.get("enabled", True))
+                    group_item.setExpanded(True)
         except KeyError as e:
             QMessageBox.warning(
                 self,
@@ -616,43 +616,43 @@ class ALConfigWidget(CenterOnParentMixin, QWidget, Ui_ALConfigWidget):
     ) -> QTreeWidgetItem:
 
         self.UserTreeWidget.itemChanged.disconnect(self.onUserTreeWidgetItemChanged)
-        GroupItem = QTreeWidgetItem(self.UserTreeWidget, ALUserTreeItemType.GROUP.value)
+        group_item = QTreeWidgetItem(self.UserTreeWidget, ALUserTreeItemType.GROUP.value)
         if not group_name:
             group_name = f"新分组-{self.UserTreeWidget.topLevelItemCount()}"
-        GroupItem.setText(0, group_name)
-        GroupItem.setFlags(GroupItem.flags() | Qt.ItemIsEditable)
-        GroupItem.setCheckState(1, Qt.Checked)
-        self.UserTreeWidget.setCurrentItem(GroupItem)
+        group_item.setText(0, group_name)
+        group_item.setFlags(group_item.flags() | Qt.ItemIsEditable)
+        group_item.setCheckState(1, Qt.Checked)
+        self.UserTreeWidget.setCurrentItem(group_item)
         self.UserTreeWidget.itemChanged.connect(self.onUserTreeWidgetItemChanged)
-        return GroupItem
+        return group_item
 
     def delGroup(
         self,
-        GroupItem: QTreeWidgetItem = None
+        group_item: QTreeWidgetItem = None
     ):
 
-        if GroupItem is None:
+        if group_item is None:
             return
-        if GroupItem.type() != ALUserTreeItemType.GROUP.value:
+        if group_item.type() != ALUserTreeItemType.GROUP.value:
             return
-        index = self.UserTreeWidget.indexOfTopLevelItem(GroupItem)
+        index = self.UserTreeWidget.indexOfTopLevelItem(group_item)
         self.UserTreeWidget.takeTopLevelItem(index)
 
     def addUser(
         self,
-        GroupItem: QTreeWidgetItem = None
+        group_item: QTreeWidgetItem = None
     ) -> QTreeWidgetItem:
 
-        if GroupItem is None:
-            CurrentItem = self.UserTreeWidget.currentItem()
-            if CurrentItem is None:
-                GroupItem = self.addGroup()
-        if GroupItem.type() == ALUserTreeItemType.USER.value:
-            GroupItem = GroupItem.parent()
-        if GroupItem.checkState(1) == Qt.CheckState.Unchecked:
+        if group_item is None:
+            current_item = self.UserTreeWidget.currentItem()
+            if current_item is None:
+                group_item = self.addGroup()
+        if group_item.type() == ALUserTreeItemType.USER.value:
+            group_item = group_item.parent()
+        if group_item.checkState(1) == Qt.CheckState.Unchecked:
             return None
         new_user = {
-            "username": f"新用户-{GroupItem.childCount()}",
+            "username": f"新用户-{group_item.childCount()}",
             "password": "000000",
             "enabled": True,
             "reserve_info": {
@@ -681,30 +681,30 @@ class ALConfigWidget(CenterOnParentMixin, QWidget, Ui_ALConfigWidget):
             }
         }
         self.UserTreeWidget.itemChanged.disconnect(self.onUserTreeWidgetItemChanged)
-        UserItem = QTreeWidgetItem(GroupItem, ALUserTreeItemType.USER.value)
-        UserItem.setText(0, new_user["username"])
-        UserItem.setText(1, "")
-        UserItem.setData(0, Qt.UserRole, new_user)
-        UserItem.setCheckState(1, Qt.CheckState.Checked)
-        GroupItem.setExpanded(True)
-        self.UserTreeWidget.setCurrentItem(UserItem)
+        user_item = QTreeWidgetItem(group_item, ALUserTreeItemType.USER.value)
+        user_item.setText(0, new_user["username"])
+        user_item.setText(1, "")
+        user_item.setData(0, Qt.UserRole, new_user)
+        user_item.setCheckState(1, Qt.CheckState.Checked)
+        group_item.setExpanded(True)
+        self.UserTreeWidget.setCurrentItem(user_item)
         self.setUserToWidget(new_user)
         self.UserTreeWidget.itemChanged.connect(self.onUserTreeWidgetItemChanged)
-        return UserItem
+        return user_item
 
     def delUser(
         self,
-        UserItem: QTreeWidgetItem = None
+        user_item: QTreeWidgetItem = None
     ):
 
-        if UserItem is None:
+        if user_item is None:
             return
-        if UserItem.type() != ALUserTreeItemType.USER.value:
+        if user_item.type() != ALUserTreeItemType.USER.value:
             return
-        ParentItem = UserItem.parent()
-        index = ParentItem.indexOfChild(UserItem)
-        ParentItem.takeChild(index)
-        if ParentItem.childCount() == 0:
+        parent_item = user_item.parent()
+        index = parent_item.indexOfChild(user_item)
+        parent_item.takeChild(index)
+        if parent_item.childCount() == 0:
             self.UserTreeWidget.setCurrentItem(None)
 
     def renameItem(
@@ -822,10 +822,10 @@ class ALConfigWidget(CenterOnParentMixin, QWidget, Ui_ALConfigWidget):
         if item.type() == ALUserTreeItemType.GROUP.value:
             is_checked = item.checkState(1) == Qt.CheckState.Checked
             for i in range(item.childCount()):
-                Child = item.child(i)
-                if self.UserTreeWidget.currentItem() == Child:
+                child = item.child(i)
+                if self.UserTreeWidget.currentItem() == child:
                     self.UserTreeWidget.setCurrentItem(item)
-                Child.setDisabled(not is_checked)
+                child.setDisabled(not is_checked)
         else:
             is_checked = item.checkState(1) == Qt.CheckState.Checked
             item.setText(1, "" if is_checked else "跳过")
@@ -842,32 +842,32 @@ class ALConfigWidget(CenterOnParentMixin, QWidget, Ui_ALConfigWidget):
     def showGroupMenu(
         self,
         menu: QMenu,
-        GroupItem: QTreeWidgetItem = None
+        group_item: QTreeWidgetItem = None
     ):
 
         AddUserAction = QAction("添加用户", menu)
         RenameGroupAction = QAction("重命名分组", menu)
         DelGroupAction = QAction("删除分组", menu)
-        AddUserAction.triggered.connect(lambda: self.addUser(GroupItem))
-        RenameGroupAction.triggered.connect(lambda: self.renameItem(GroupItem))
-        DelGroupAction.triggered.connect(lambda: self.delGroup(GroupItem))
+        AddUserAction.triggered.connect(lambda: self.addUser(group_item))
+        RenameGroupAction.triggered.connect(lambda: self.renameItem(group_item))
+        DelGroupAction.triggered.connect(lambda: self.delGroup(group_item))
         menu.addAction(AddUserAction)
         menu.addSeparator()
         menu.addAction(RenameGroupAction)
         menu.addAction(DelGroupAction)
-        if GroupItem.checkState(1) == Qt.CheckState.Unchecked:
+        if group_item.checkState(1) == Qt.CheckState.Unchecked:
             AddUserAction.setEnabled(False)
 
     def showUserMenu(
         self,
         menu: QMenu,
-        UserItem: QTreeWidgetItem = None
+        user_item: QTreeWidgetItem = None
     ):
 
         RenameUserAction = QAction("重命名用户", menu)
         DelUserAction = QAction("删除用户", menu)
-        RenameUserAction.triggered.connect(lambda: self.renameItem(UserItem))
-        DelUserAction.triggered.connect(lambda: self.delUser(UserItem))
+        RenameUserAction.triggered.connect(lambda: self.renameItem(user_item))
+        DelUserAction.triggered.connect(lambda: self.delUser(user_item))
         menu.addAction(RenameUserAction)
         menu.addAction(DelUserAction)
 
@@ -877,14 +877,14 @@ class ALConfigWidget(CenterOnParentMixin, QWidget, Ui_ALConfigWidget):
         pos
     ):
 
-        CurrentItem = self.UserTreeWidget.itemAt(pos)
+        current_item = self.UserTreeWidget.itemAt(pos)
         Menu = QMenu(self.UserTreeWidget)
-        if CurrentItem is None:
+        if current_item is None:
             self.showTreeMenu(Menu)
-        elif CurrentItem.type() == ALUserTreeItemType.GROUP.value:
-            self.showGroupMenu(Menu, CurrentItem)
+        elif current_item.type() == ALUserTreeItemType.GROUP.value:
+            self.showGroupMenu(Menu, current_item)
         else:
-            self.showUserMenu(Menu, CurrentItem)
+            self.showUserMenu(Menu, current_item)
         Menu.exec_(self.UserTreeWidget.mapToGlobal(pos))
 
     @Slot()
@@ -892,16 +892,16 @@ class ALConfigWidget(CenterOnParentMixin, QWidget, Ui_ALConfigWidget):
         self
     ):
 
-        CurrentItem = self.UserTreeWidget.currentItem()
-        self.addUser(CurrentItem)
+        current_item = self.UserTreeWidget.currentItem()
+        self.addUser(current_item)
 
     @Slot()
     def onDelUserButtonClicked(
         self
     ):
 
-        CurrentItem = self.UserTreeWidget.currentItem()
-        self.delUser(CurrentItem)
+        current_item = self.UserTreeWidget.currentItem()
+        self.delUser(current_item)
 
     @Slot()
     def onBrowseBrowserDriverButtonClicked(
@@ -1034,7 +1034,6 @@ class ALConfigWidget(CenterOnParentMixin, QWidget, Ui_ALConfigWidget):
     ):
 
         msg = ""
-
         run_config_path = self.ExportRunConfigEdit.text()
         user_config_path = self.ExportUserConfigEdit.text()
         if run_config_path:
@@ -1111,8 +1110,8 @@ class ALConfigWidget(CenterOnParentMixin, QWidget, Ui_ALConfigWidget):
         self
     ):
 
-        CurrentItem = self.UserTreeWidget.currentItem()
-        if CurrentItem and CurrentItem.type() == ALUserTreeItemType.USER.value:
+        current_item = self.UserTreeWidget.currentItem()
+        if current_item and current_item.type() == ALUserTreeItemType.USER.value:
             self.UserTreeWidget.setCurrentItem(None)
         if self.saveConfigs(
             self.__config_paths["run"],

src/gui/ALMainWindow.py

@@ -32,6 +32,8 @@ from PySide6.QtWidgets import (
 
 from base.MsgBase import MsgBase
 from gui.ALAboutDialog import ALAboutDialog
+from gui.ALBulletinDialog import ALBulletinDialog
+from gui.ALBulletinPoller import ALBulletinPoller
 from gui.ALConfigWidget import ALConfigWidget
 from gui.ALSettingsWidget import ALSettingsWidget
 from gui.ALMainWorkers import (
@@ -41,6 +43,7 @@ from gui.ALMainWorkers import (
 from gui.ALTimerTaskManageWidget import ALTimerTaskManageWidget
 from gui.resources import ALResource
 from gui.resources.ui.Ui_ALMainWindow import Ui_ALMainWindow
+from managers.bulletin.BulletinManager import instance as bulletinInstance
 from managers.config.ConfigUtils import ConfigUtils
 
 
@@ -59,9 +62,11 @@ class ALMainWindow(MsgBase, QMainWindow, Ui_ALMainWindow):
         QMainWindow.__init__(self)
         self.__timer_task_queue = queue.Queue()
         self.__config_paths = ConfigUtils.getAutomationConfigPaths()
-        self.__alTimerTaskManageWidget = None
-        self.__alConfigWidget = None
-        self.__alSettingsWidget = None
+        self.__ALTimerTaskManageWidget = None
+        self.__ALConfigWidget = None
+        self.__ALSettingsWidget = None
+        self.__ALBulletinDialog = None
+        self.__bulletin_poller = ALBulletinPoller(self)
         self.__auto_lib_thread = None
         self.__current_timer_task_thread = None
         self.__is_running_timer_task = False
@@ -72,6 +77,11 @@ class ALMainWindow(MsgBase, QMainWindow, Ui_ALMainWindow):
         self.connectSignals()
         self.startMsgPolling()
         self.startTimerTaskPolling()
+
+        self.__bulletin_poller.start()
+        if bulletinInstance().autoFetch():
+            QTimer.singleShot(1000, self.__bulletin_poller.fetchNow)
+
         self._showLog("主窗口初始化完成")
 
     def modifyUi(
@@ -84,26 +94,28 @@ class ALMainWindow(MsgBase, QMainWindow, Ui_ALMainWindow):
         self.ManualAction.triggered.connect(self.onManualActionTriggered)
         self.AboutAction.triggered.connect(self.onAboutActionTriggered)
         self.SettingsAction.triggered.connect(self.onSettingsActionTriggered)
+        if hasattr(self, 'BulletinAction'):
+            self.BulletinAction.triggered.connect(self.onBulletinActionTriggered)
 
         # initialize timer task widget, but not show it
         try:
-            self.__alTimerTaskManageWidget = ALTimerTaskManageWidget(self)
+            self.__ALTimerTaskManageWidget = ALTimerTaskManageWidget(self)
         except Exception as e:
             QMessageBox.critical(
                 self,
                 "错误 - AutoLibrary",
                 f"初始化定时任务功能失败: \n{e}"
             )
-            self.__alTimerTaskManageWidget = None
+            self.__ALTimerTaskManageWidget = None
             self.TimerTaskManageWidgetButton.setEnabled(False)
             self.TimerTaskManageWidgetButton.setToolTip("定时任务功能初始化失败, 请检查配置文件。")
             return
-        self.timerTaskIsRunning.connect(self.__alTimerTaskManageWidget.onTimerTaskIsRunning)
-        self.timerTaskIsExecuted.connect(self.__alTimerTaskManageWidget.onTimerTaskIsExecuted)
-        self.timerTaskIsError.connect(self.__alTimerTaskManageWidget.onTimerTaskIsError)
-        self.__alTimerTaskManageWidget.timerTaskIsReady.connect(self.onTimerTaskIsReady)
-        self.__alTimerTaskManageWidget.timerTaskManageWidgetIsClosed.connect(self.onTimerTaskManageWidgetClosed)
-        self.__alTimerTaskManageWidget.setWindowFlags(Qt.WindowType.Window|Qt.WindowType.WindowCloseButtonHint)
+        self.timerTaskIsRunning.connect(self.__ALTimerTaskManageWidget.onTimerTaskIsRunning)
+        self.timerTaskIsExecuted.connect(self.__ALTimerTaskManageWidget.onTimerTaskIsExecuted)
+        self.timerTaskIsError.connect(self.__ALTimerTaskManageWidget.onTimerTaskIsError)
+        self.__ALTimerTaskManageWidget.timerTaskIsReady.connect(self.onTimerTaskIsReady)
+        self.__ALTimerTaskManageWidget.timerTaskManageWidgetIsClosed.connect(self.onTimerTaskManageWidgetClosed)
+        self.__ALTimerTaskManageWidget.setWindowFlags(Qt.WindowType.Window|Qt.WindowType.WindowCloseButtonHint)
 
     def onAboutActionTriggered(
         self
@@ -116,8 +128,8 @@ class ALMainWindow(MsgBase, QMainWindow, Ui_ALMainWindow):
         self
     ):
 
-        Url = QUrl("https://www.autolibrary.kenanzhu.com/manuals")
-        QDesktopServices.openUrl(Url)
+        url = QUrl("https://www.autolibrary.kenanzhu.com/manuals")
+        QDesktopServices.openUrl(url)
 
     def setupTray(
         self
@@ -131,12 +143,13 @@ class ALMainWindow(MsgBase, QMainWindow, Ui_ALMainWindow):
         self.TrayMenu = QMenu()
         self.TrayMenu.addAction("显示主窗口", self.showNormal)
         self.TrayMenu.addAction("显示定时窗口", self.onTimerTaskManageWidgetButtonClicked)
+        self.TrayMenu.addAction("公告栏", self.onBulletinActionTriggered)
         self.TrayMenu.addAction("最小化到托盘", self.hideToTray)
         self.TrayMenu.addSeparator()
         self.TrayMenu.addAction("退出", self.close)
         self.TrayIcon.setContextMenu(self.TrayMenu)
-
         self.TrayIcon.activated.connect(self.onTrayIconActivated)
+        self.TrayIcon.messageClicked.connect(self.onBulletinActionTriggered)
         self.TrayIcon.show()
 
     def hideToTray(
@@ -169,6 +182,9 @@ class ALMainWindow(MsgBase, QMainWindow, Ui_ALMainWindow):
         self.StopButton.clicked.connect(self.onStopButtonClicked)
         self.SendButton.clicked.connect(self.onSendButtonClicked)
         self.MessageEdit.returnPressed.connect(self.onSendButtonClicked)
+        self.__bulletin_poller.newBulletinsDetected.connect(
+            self._onBulletinPollerNewBulletins
+        )
 
     def closeEvent(
         self,
@@ -186,15 +202,20 @@ class ALMainWindow(MsgBase, QMainWindow, Ui_ALMainWindow):
         if self.__is_running_timer_task:
             self.__current_timer_task_thread.wait(2000)
             self.__current_timer_task_thread.deleteLater()
-        if self.__alTimerTaskManageWidget:
-            self.__alTimerTaskManageWidget.close()
-            self.__alTimerTaskManageWidget.deleteLater()
-        if self.__alConfigWidget:
-            self.__alConfigWidget.close()
+        if self.__ALTimerTaskManageWidget:
+            self.__ALTimerTaskManageWidget.close()
+            self.__ALTimerTaskManageWidget.deleteLater()
+        if self.__ALConfigWidget:
+            self.__ALConfigWidget.close()
             # the config widget is already deleted in the 'self.onConfigWidgetClosed'
-        if self.__alSettingsWidget:
-            self.__alSettingsWidget.close()
+        if self.__ALSettingsWidget:
+            self.__ALSettingsWidget.close()
             # the settings widget is already deleted in the 'self.onSettingsWidgetClosed'
+        if self.__ALBulletinDialog:
+            self.__ALBulletinDialog.close()
+            # the bulletin dialog is already deleted in the 'self.onBulletinDialogClosed'
+        if self.__bulletin_poller:
+            self.__bulletin_poller.stop()
         self._showLog("主窗口关闭")
         QMainWindow.closeEvent(self, event)
 
@@ -299,10 +320,10 @@ class ALMainWindow(MsgBase, QMainWindow, Ui_ALMainWindow):
         self
     ):
 
-        if self.__alConfigWidget:
-            self.__alConfigWidget.configWidgetIsClosed.disconnect(self.onConfigWidgetClosed)
-            self.__alConfigWidget.deleteLater()
-            self.__alConfigWidget = None
+        if self.__ALConfigWidget:
+            self.__ALConfigWidget.configWidgetIsClosed.disconnect(self.onConfigWidgetClosed)
+            self.__ALConfigWidget.deleteLater()
+            self.__ALConfigWidget = None
         self.__config_paths = ConfigUtils.getAutomationConfigPaths()
         self.setControlButtons(True, None, None)
         self._showLog("配置窗口已关闭,配置文件路径已更新")
@@ -312,23 +333,63 @@ class ALMainWindow(MsgBase, QMainWindow, Ui_ALMainWindow):
         self
     ):
 
-        if self.__alSettingsWidget:
-            self.__alSettingsWidget.settingsWidgetIsClosed.disconnect(self.onSettingsWidgetClosed)
-            self.__alSettingsWidget.deleteLater()
-            self.__alSettingsWidget = None
+        if self.__ALSettingsWidget:
+            self.__ALSettingsWidget.settingsWidgetIsClosed.disconnect(self.onSettingsWidgetClosed)
+            self.__ALSettingsWidget.deleteLater()
+            self.__ALSettingsWidget = None
         self.SettingsAction.setEnabled(True)
 
+    @Slot()
+    def onBulletinActionTriggered(
+        self
+    ):
+
+        self.__bulletin_poller.setDialogOpen(True)
+        if self.__ALBulletinDialog is None:
+            self.__ALBulletinDialog = ALBulletinDialog(self)
+            self.__ALBulletinDialog.finished.connect(self.onBulletinDialogClosed)
+        self.__ALBulletinDialog.show()
+        self.__ALBulletinDialog.raise_()
+        self.__ALBulletinDialog.activateWindow()
+        self._showLog("打开公告栏窗口")
+
+    @Slot()
+    def onBulletinDialogClosed(
+        self
+    ):
+
+        if self.__ALBulletinDialog:
+            self.__ALBulletinDialog.finished.disconnect(self.onBulletinDialogClosed)
+            self.__ALBulletinDialog.deleteLater()
+            self.__ALBulletinDialog = None
+        self.__bulletin_poller.setDialogOpen(False)
+
+    @Slot(int)
+    def _onBulletinPollerNewBulletins(
+        self,
+        count: int
+    ):
+
+        if not hasattr(self, 'TrayIcon'):
+            return
+        self.TrayIcon.showMessage(
+            "公告栏 - AutoLibrary",
+            f"有 {count} 条新公告，点击查看详情。",
+            QSystemTrayIcon.MessageIcon.Information,
+            3000
+        )
+
     @Slot()
     def onSettingsActionTriggered(
         self
     ):
 
-        if self.__alSettingsWidget is None:
-            self.__alSettingsWidget = ALSettingsWidget(self)
-            self.__alSettingsWidget.settingsWidgetIsClosed.connect(self.onSettingsWidgetClosed)
-        self.__alSettingsWidget.show()
-        self.__alSettingsWidget.raise_()
-        self.__alSettingsWidget.activateWindow()
+        if self.__ALSettingsWidget is None:
+            self.__ALSettingsWidget = ALSettingsWidget(self)
+            self.__ALSettingsWidget.settingsWidgetIsClosed.connect(self.onSettingsWidgetClosed)
+        self.__ALSettingsWidget.show()
+        self.__ALSettingsWidget.raise_()
+        self.__ALSettingsWidget.activateWindow()
         self.SettingsAction.setEnabled(False)
         self._showLog("打开全局设置窗口")
 
@@ -374,9 +435,9 @@ class ALMainWindow(MsgBase, QMainWindow, Ui_ALMainWindow):
         self
     ):
 
-        self.__alTimerTaskManageWidget.show()
-        self.__alTimerTaskManageWidget.raise_()
-        self.__alTimerTaskManageWidget.activateWindow()
+        self.__ALTimerTaskManageWidget.show()
+        self.__ALTimerTaskManageWidget.raise_()
+        self.__ALTimerTaskManageWidget.activateWindow()
         self.TimerTaskManageWidgetButton.setEnabled(False)
         self._showLog("打开定时任务管理窗口")
 
@@ -385,12 +446,12 @@ class ALMainWindow(MsgBase, QMainWindow, Ui_ALMainWindow):
         self
     ):
 
-        if self.__alConfigWidget is None:
-            self.__alConfigWidget = ALConfigWidget(self)
-            self.__alConfigWidget.configWidgetIsClosed.connect(self.onConfigWidgetClosed)
-        self.__alConfigWidget.show()
-        self.__alConfigWidget.raise_()
-        self.__alConfigWidget.activateWindow()
+        if self.__ALConfigWidget is None:
+            self.__ALConfigWidget = ALConfigWidget(self)
+            self.__ALConfigWidget.configWidgetIsClosed.connect(self.onConfigWidgetClosed)
+        self.__ALConfigWidget.show()
+        self.__ALConfigWidget.raise_()
+        self.__ALConfigWidget.activateWindow()
         self.ConfigButton.setEnabled(False)
         self._showLog("打开配置窗口")
 

src/gui/ALSeatMapSelectDialog.py

@@ -55,7 +55,6 @@ class ALSeatMapSelectDialog(CenterOnParentMixin, QDialog):
         self.setMinimumSize(800, 600)
         self.resize(800, 600)
         self.setWindowTitle(f"选择楼层座位 - AutoLibrary")
-
         self.SeatMapWidgetMainLayout = QVBoxLayout(self)
         self.SeatMapWidgetMainLayout.setContentsMargins(5, 5, 5, 5)
         self.SeatMapWidgetMainLayout.setSpacing(5)
@@ -63,10 +62,8 @@ class ALSeatMapSelectDialog(CenterOnParentMixin, QDialog):
         self.TitleLabel.setAlignment(Qt.AlignmentFlag.AlignCenter)
         self.TitleLabel.setStyleSheet("font-size: 16px; font-weight: bold; margin: 10px;")
         self.SeatMapWidgetMainLayout.addWidget(self.TitleLabel)
-
         self.SeatMapGraphicsView = ALSeatMapView(None, self.__seats_data)
         self.SeatMapWidgetMainLayout.addWidget(self.SeatMapGraphicsView)
-
         self.TipsLabel = QLabel(
             "  点击座位进行选择/取消选择, 最多选择1个座位 \n"
             "  [操作方法: Ctrl+鼠标滚轮缩放 | 滚轮/拖拽/方向键 移动]"
@@ -74,7 +71,6 @@ class ALSeatMapSelectDialog(CenterOnParentMixin, QDialog):
         self.TipsLabel.setAlignment(Qt.AlignmentFlag.AlignLeft)
         self.TipsLabel.setStyleSheet("color: #666; margin: 5px;")
         self.SeatMapWidgetMainLayout.addWidget(self.TipsLabel)
-
         self.ConfirmButton = QPushButton("确认")
         self.ConfirmButton.setFixedSize(80, 25)
         self.ConfirmButton.setAutoDefault(True)

src/gui/ALSeatMapView.py

@@ -85,11 +85,9 @@ class ALSeatMapView(QGraphicsView):
         self.setVerticalScrollBarPolicy(Qt.ScrollBarPolicy.ScrollBarAsNeeded)
         self.setHorizontalScrollBarPolicy(Qt.ScrollBarPolicy.ScrollBarAsNeeded)
         self.viewport().installEventFilter(self)
-
         self.SeatsContainerWidget = QWidget()
         self.SeatsContainerLayout = QGridLayout(self.SeatsContainerWidget)
         self.setupSeatMap()
-
         self.ContainerProxy = self.SeatMapGraphicsScene.addWidget(self.SeatsContainerWidget)
         self.ContainerProxy.setFlag(QGraphicsItem.GraphicsItemFlag.ItemIsSelectable, False)
 

src/gui/ALSettingsWidget.py

@@ -9,12 +9,15 @@ See the LICENSE file for details.
 """
 import os
 import sys
+import time
 
+import requests
 import qtawesome as qta
 
 from PySide6.QtCore import (
     QProcess,
     Qt,
+    QTimer,
     Signal,
     Slot
 )
@@ -30,6 +33,7 @@ from PySide6.QtWidgets import (
 )
 
 import managers.config.ConfigManager as ConfigManager
+from managers.bulletin.BulletinManager import instance as bulletinInstance
 from managers.log.LogManager import instance as logInstance
 from managers.theme.ThemeManager import(
     getActiveStyle,
@@ -96,6 +100,9 @@ class ALSettingsWidget(CenterOnParentMixin, QWidget, Ui_ALSettingsWidget):
         self.__original_theme: str = ""
         self.__original_custom_theme: str = ""
         self.__original_style: str = ""
+        self.__original_bulletin_url: str = ""
+        self.__original_bulletin_auto_fetch: bool = False
+        self.__original_bulletin_sync_interval: int = 10
 
         self.setupUi(self)
         self.modifyUi()
@@ -130,6 +137,7 @@ class ALSettingsWidget(CenterOnParentMixin, QWidget, Ui_ALSettingsWidget):
             "padding: 5px;"
         )
         self.NavigationList.setCurrentRow(0)
+        self.NavigationList.currentRowChanged.connect(self.PageStack.setCurrentIndex)
         self.populateStyles()
         self.populateCustomThemes()
 
@@ -139,9 +147,12 @@ class ALSettingsWidget(CenterOnParentMixin, QWidget, Ui_ALSettingsWidget):
 
         app : QApplication | None = QApplication.instance()
         color = app.palette().color(app.palette().ColorRole.WindowText).name()
-        item = self.NavigationList.item(0)
-        if item:
-            item.setIcon(qta.icon("fa6s.palette", color=color))
+        item0 = self.NavigationList.item(0)
+        if item0:
+            item0.setIcon(qta.icon("fa6s.palette", color=color))
+        item1 = self.NavigationList.item(1)
+        if item1:
+            item1.setIcon(qta.icon("fa6s.bullhorn", color=color))
 
     def populateStyles(
         self
@@ -176,6 +187,7 @@ class ALSettingsWidget(CenterOnParentMixin, QWidget, Ui_ALSettingsWidget):
         self.RemoveCustomThemeButton.clicked.connect(self.onRemoveCustomThemeButtonClicked)
         self.CustomThemeComboBox.currentIndexChanged.connect(self.onCustomThemeComboBoxChanged)
         self.ResetCustomThemeButton.clicked.connect(self.onResetCustomThemeButtonClicked)
+        self.BulletinTestButton.clicked.connect(self.onBulletinTestButtonClicked)
         self.CancelButton.clicked.connect(self.onCancelButtonClicked)
         self.ApplyButton.clicked.connect(self.onApplyButtonClicked)
         self.ConfirmButton.clicked.connect(self.onConfirmButtonClicked)
@@ -207,6 +219,14 @@ class ALSettingsWidget(CenterOnParentMixin, QWidget, Ui_ALSettingsWidget):
         self.updateCustomThemeInfo()
         self.updateCustomThemeStatus()
 
+        bulletin_mgr = bulletinInstance()
+        self.__original_bulletin_url = bulletin_mgr.serverUrl()
+        self.__original_bulletin_auto_fetch = bulletin_mgr.autoFetch()
+        self.__original_bulletin_sync_interval = bulletin_mgr.syncInterval()
+        self.BulletinServerUrlEdit.setText(self.__original_bulletin_url)
+        self.BulletinAutoFetchCheck.setChecked(self.__original_bulletin_auto_fetch)
+        self.BulletinSyncIntervalSpin.setValue(self.__original_bulletin_sync_interval)
+
     def updateCustomThemeInfo(
         self
     ):
@@ -270,6 +290,29 @@ class ALSettingsWidget(CenterOnParentMixin, QWidget, Ui_ALSettingsWidget):
             custom_theme = ""
         return theme, style, custom_theme
 
+    def clearBulletinTestStatus(
+        self
+    ):
+
+        self.BulletinTestStatusLabel.setText("")
+        self.BulletinTestStatusLabel.setStyleSheet("")
+
+    def saveBulletinSettings(
+        self
+    ):
+
+        url = self.BulletinServerUrlEdit.text().strip()
+        auto_fetch = self.BulletinAutoFetchCheck.isChecked()
+        sync_interval = self.BulletinSyncIntervalSpin.value()
+        if sync_interval < 1:
+            sync_interval = 5
+        self.__cfg_mgr.set(CfgKey.GLOBAL.BULLETIN.SERVER_URL, url)
+        self.__cfg_mgr.set(CfgKey.GLOBAL.BULLETIN.AUTO_FETCH, auto_fetch)
+        self.__cfg_mgr.set(CfgKey.GLOBAL.BULLETIN.SYNC_INTERVAL, sync_interval)
+        self.__original_bulletin_url = url
+        self.__original_bulletin_auto_fetch = auto_fetch
+        self.__original_bulletin_sync_interval = sync_interval
+
     def saveAndApply(
         self
     ):
@@ -281,8 +324,6 @@ class ALSettingsWidget(CenterOnParentMixin, QWidget, Ui_ALSettingsWidget):
         if not _applyCustomTheme(custom_theme, theme):
             self.__cfg_mgr.set(CfgKey.GLOBAL.APPEARANCE.CUSTOM_THEME, "")
         self.syncRadioFromNeedTheme(custom_theme)
-        # Re-read theme after syncRadioFromNeedTheme — the radio may have
-        # changed to match the custom theme's need_theme
         theme, _, _ = self.collectSettings()
         self.__cfg_mgr.set(CfgKey.GLOBAL.APPEARANCE.THEME, theme)
         self.setNavigationIcons()
@@ -292,6 +333,8 @@ class ALSettingsWidget(CenterOnParentMixin, QWidget, Ui_ALSettingsWidget):
         self.__original_custom_theme = custom_theme if custom_theme else ""
         self.__original_style = getActiveStyle()
 
+        self.saveBulletinSettings()
+
     def maybeRestart(
         self
     ) -> bool:
@@ -380,7 +423,6 @@ class ALSettingsWidget(CenterOnParentMixin, QWidget, Ui_ALSettingsWidget):
     ):
 
         self.updateCustomThemeInfo()
-        # no status update, because custom theme is not applied yet.
 
     @Slot()
     def onResetCustomThemeButtonClicked(
@@ -406,6 +448,75 @@ class ALSettingsWidget(CenterOnParentMixin, QWidget, Ui_ALSettingsWidget):
         self.updateCustomThemeInfo()
         self.updateCustomThemeStatus()
 
+    @Slot()
+    def onBulletinTestButtonClicked(
+        self
+    ):
+
+        url = self.BulletinServerUrlEdit.text().strip()
+        if not url:
+            self.BulletinTestStatusLabel.setText("请先输入服务器地址。")
+            self.BulletinTestStatusLabel.setStyleSheet("color: red;")
+            return
+        if hasattr(self, '__bulletin_test_worker') and self.__bulletin_test_worker is not None:
+            return
+        self.BulletinTestButton.setEnabled(False)
+        self.BulletinTestStatusLabel.setText("正在测试连接...")
+        self.BulletinTestStatusLabel.setStyleSheet("")
+        self.__bulletin_test_t0 = time.monotonic()
+        from gui.ALBulletinDialog import ALBulletinFetchWorker
+        api_url = url.rstrip("/") + "/bulletins"
+        self.__bulletin_test_worker = ALBulletinFetchWorker(
+            self, api_url, {"date": "", "time": "", "range_hour": "1"}
+        )
+        self.__bulletin_test_worker.fetchWorkerIsFinished.connect(
+            self.__onBulletinTestFetched
+        )
+        self.__bulletin_test_worker.fetchWorkerFinishedWithError.connect(
+            self.__onBulletinTestError
+        )
+        self.__bulletin_test_worker.start()
+
+    @Slot(dict)
+    def __onBulletinTestFetched(
+        self,
+        data: dict
+    ):
+
+        self.__bulletin_test_worker.fetchWorkerIsFinished.disconnect(
+            self.__onBulletinTestFetched
+        )
+        self.__bulletin_test_worker.fetchWorkerFinishedWithError.disconnect(
+            self.__onBulletinTestError
+        )
+        self.__bulletin_test_worker.deleteLater()
+        self.__bulletin_test_worker = None
+        elapsed_ms = (time.monotonic() - self.__bulletin_test_t0) * 1000
+        self.BulletinTestStatusLabel.setText(
+            f"连接成功！响应延迟 {elapsed_ms:.0f} ms"
+        )
+        self.BulletinTestStatusLabel.setStyleSheet("color: green;")
+        self.BulletinTestButton.setEnabled(True)
+        QTimer.singleShot(3000, self, self.clearBulletinTestStatus)
+
+    @Slot(str)
+    def __onBulletinTestError(
+        self,
+        error_message: str
+    ):
+
+        self.__bulletin_test_worker.fetchWorkerIsFinished.disconnect(
+            self.__onBulletinTestFetched
+        )
+        self.__bulletin_test_worker.fetchWorkerFinishedWithError.disconnect(
+            self.__onBulletinTestError
+        )
+        self.__bulletin_test_worker.deleteLater()
+        self.__bulletin_test_worker = None
+        self.BulletinTestStatusLabel.setText(f"连接失败：{error_message}")
+        self.BulletinTestStatusLabel.setStyleSheet("color: red;")
+        self.BulletinTestButton.setEnabled(True)
+
     @Slot()
     def onCancelButtonClicked(
         self
@@ -429,5 +540,5 @@ class ALSettingsWidget(CenterOnParentMixin, QWidget, Ui_ALSettingsWidget):
         self
     ):
 
-        self.onApplyButtonClicked() # virtually call apply button clicked
+        self.onApplyButtonClicked()
         self.close()

src/gui/ALStatusLabel.py

@@ -118,35 +118,34 @@ class ALStatusLabel(QLabel):
         event
     ):
 
-        Painter = QPainter(self)
-        Painter.setRenderHint(QPainter.RenderHint.Antialiasing)
+        painter = QPainter(self)
+        painter.setRenderHint(QPainter.RenderHint.Antialiasing)
         center_x = self.width()/2
         center_y = self.height()/2
         radius = min(center_x, center_y) - 3
         match self.__status:
             case self.Status.WAITING:
-                Pen = Painter.pen()
-                Pen.setWidth(2)
-                Pen.setBrush(Qt.BrushStyle.NoBrush)
-                Pen.setCapStyle(Qt.PenCapStyle.RoundCap)
-                Pen.setColor(QColor("#969696")) # grey
-                Painter.setPen(Pen)
-                Painter.drawEllipse(
+                pen = painter.pen()
+                pen.setWidth(2)
+                pen.setCapStyle(Qt.PenCapStyle.RoundCap)
+                pen.setColor(QColor("#969696")) # grey
+                painter.setPen(pen)
+                painter.drawEllipse(
                     int(center_x - radius),
                     int(center_y - radius),
                     int(radius*2),
                     int(radius*2)
                 )
             case self.Status.RUNNING:
-                Gradient = QConicalGradient(center_x, center_y, self.__icon_angle)
-                Gradient.setColorAt(0.0, QColor("#2294FF" if self.isDarkMode() else "#0094FF"))
-                Gradient.setColorAt(1.0, QColor("#2294FF00"))
-                Pen = Painter.pen()
-                Pen.setWidth(3)
-                Pen.setBrush(Gradient)
-                Pen.setCapStyle(Qt.PenCapStyle.RoundCap)
-                Painter.setPen(Pen)
-                Painter.drawEllipse(
+                gradient = QConicalGradient(center_x, center_y, self.__icon_angle)
+                gradient.setColorAt(0.0, QColor("#2294FF" if self.isDarkMode() else "#0094FF"))
+                gradient.setColorAt(1.0, QColor("#2294FF00"))
+                pen = painter.pen()
+                pen.setWidth(3)
+                pen.setBrush(gradient)
+                pen.setCapStyle(Qt.PenCapStyle.RoundCap)
+                painter.setPen(pen)
+                painter.drawEllipse(
                     int(center_x - radius),
                     int(center_y - radius),
                     int(radius*2),
@@ -154,102 +153,99 @@ class ALStatusLabel(QLabel):
                 )
             case self.Status.SUCCESS:
                 # draw the success green circle
-                Pen = Painter.pen()
-                Pen.setWidth(2)
-                Pen.setBrush(Qt.BrushStyle.NoBrush)
-                Pen.setCapStyle(Qt.PenCapStyle.RoundCap)
-                Pen.setColor(QColor("#4CAF50" if self.isDarkMode() else "#00AF50")) # green
-                Painter.setPen(Pen)
-                Painter.drawEllipse(
+                pen = painter.pen()
+                pen.setWidth(2)
+                pen.setCapStyle(Qt.PenCapStyle.RoundCap)
+                pen.setColor(QColor("#4CAF50" if self.isDarkMode() else "#00AF50")) # green
+                painter.setPen(pen)
+                painter.drawEllipse(
                     int(center_x - radius),
                     int(center_y - radius),
                     int(radius*2),
                     int(radius*2)
                 )
                 # draw the success check mark '✓'
-                Painter.setPen(Qt.PenStyle.SolidLine)
-                Pen = Painter.pen()
-                Pen.setWidth(3)
-                Pen.setBrush(Qt.BrushStyle.NoBrush)
-                Pen.setCapStyle(Qt.PenCapStyle.RoundCap)
+                painter.setPen(Qt.PenStyle.SolidLine)
+                pen = painter.pen()
+                pen.setWidth(3)
+                pen.setBrush(Qt.BrushStyle.NoBrush)
+                pen.setCapStyle(Qt.PenCapStyle.RoundCap)
                 # white when dark mode, black when light mode
-                Pen.setColor(self.getMarkColor())
-                Painter.setPen(Pen)
+                pen.setColor(self.getMarkColor())
+                painter.setPen(pen)
                 mark_size = radius/2
                 mark_path = [
                     (center_x - mark_size, center_y),
                     (center_x - mark_size/3, center_y + mark_size/2),
                     (center_x + mark_size, center_y - mark_size/2)
                 ]
-                Painter.drawLine(
+                painter.drawLine(
                     int(mark_path[0][0]),int(mark_path[0][1]),
                     int(mark_path[1][0]),int(mark_path[1][1])
                 )
-                Painter.drawLine(
+                painter.drawLine(
                     int(mark_path[1][0]),int(mark_path[1][1]),
                     int(mark_path[2][0]),int(mark_path[2][1])
                 )
             case self.Status.WARNING:
                 # draw the warning orange circle
-                Pen = Painter.pen()
-                Pen.setWidth(2)
-                Pen.setBrush(Qt.BrushStyle.NoBrush)
-                Pen.setCapStyle(Qt.PenCapStyle.RoundCap)
-                Pen.setColor(QColor("#FF9800")) # orange
-                Painter.setPen(Pen)
-                Painter.drawEllipse(
+                pen = painter.pen()
+                pen.setWidth(2)
+                pen.setCapStyle(Qt.PenCapStyle.RoundCap)
+                pen.setColor(QColor("#FF9800")) # orange
+                painter.setPen(pen)
+                painter.drawEllipse(
                     int(center_x - radius),
                     int(center_y - radius),
                     int(radius*2),
                     int(radius*2)
                 )
                 # draw the warning exclamation mark '!'
-                Painter.setPen(Qt.PenStyle.SolidLine)
-                Pen = Painter.pen()
-                Pen.setWidth(3)
-                Pen.setBrush(Qt.BrushStyle.NoBrush)
-                Pen.setCapStyle(Qt.PenCapStyle.RoundCap)
+                painter.setPen(Qt.PenStyle.SolidLine)
+                pen = painter.pen()
+                pen.setWidth(3)
+                pen.setBrush(Qt.BrushStyle.NoBrush)
+                pen.setCapStyle(Qt.PenCapStyle.RoundCap)
                 # white when dark mode, black when light mode
-                Pen.setColor(self.getMarkColor())
-                Painter.setPen(Pen)
-                Painter.drawLine(
+                pen.setColor(self.getMarkColor())
+                painter.setPen(pen)
+                painter.drawLine(
                     int(center_x), int(center_y - radius/2),
                     int(center_x), int(center_y + radius/6)
                 )
-                Painter.drawPoint(
+                painter.drawPoint(
                     int(center_x), int(center_y + radius/2)
                 )
             case self.Status.FAILURE:
                 # draw the failure red circle
-                Pen = Painter.pen()
-                Pen.setWidth(2)
-                Pen.setBrush(Qt.BrushStyle.NoBrush)
-                Pen.setCapStyle(Qt.PenCapStyle.RoundCap)
-                Pen.setColor(QColor("#DC0000")) # red
-                Painter.setPen(Pen)
-                Painter.drawEllipse(
+                pen = painter.pen()
+                pen.setWidth(2)
+                pen.setCapStyle(Qt.PenCapStyle.RoundCap)
+                pen.setColor(QColor("#DC0000")) # red
+                painter.setPen(pen)
+                painter.drawEllipse(
                     int(center_x - radius),
                     int(center_y - radius),
                     int(radius*2),
                     int(radius*2)
                 )
                 # draw the failure cross mark '✗'
-                Painter.setPen(Qt.PenStyle.SolidLine)
-                Pen = Painter.pen()
-                Pen.setWidth(3)
-                Pen.setBrush(Qt.BrushStyle.NoBrush)
-                Pen.setCapStyle(Qt.PenCapStyle.RoundCap)
+                painter.setPen(Qt.PenStyle.SolidLine)
+                pen = painter.pen()
+                pen.setWidth(3)
+                pen.setBrush(Qt.BrushStyle.NoBrush)
+                pen.setCapStyle(Qt.PenCapStyle.RoundCap)
                 # white when dark mode, black when light mode
-                Pen.setColor(self.getMarkColor())
-                Painter.setPen(Pen)
+                pen.setColor(self.getMarkColor())
+                painter.setPen(pen)
                 mark_size = radius/3
-                Painter.drawLine(
+                painter.drawLine(
                     int(center_x - mark_size), int(center_y - mark_size),
                     int(center_x + mark_size), int(center_y + mark_size)
                 )
-                Painter.drawLine(
+                painter.drawLine(
                     int(center_x + mark_size), int(center_y - mark_size),
                     int(center_x - mark_size), int(center_y + mark_size)
                 )
-        Painter.end()
+        painter.end()
         super().paintEvent(event)

src/gui/ALTimerTaskHistoryDialog.py

@@ -108,24 +108,24 @@ class ALTimerTaskHistoryDialog(QDialog):
         execute_time = record.get("execute_time", "")
         result = record.get("result", ALTimerTaskStatus.UNKNOWN)
         duration = record.get("duration", 0)
-        ExecuteTimeItem = QTableWidgetItem(execute_time)
-        ExecuteTimeItem.setTextAlignment(Qt.AlignmentFlag.AlignCenter)
-        self.HistoryTableWidget.setItem(row, 0, ExecuteTimeItem)
-        ResultItem = QTableWidgetItem(result.value)
-        ResultItem.setTextAlignment(Qt.AlignmentFlag.AlignCenter)
+        execute_time_item = QTableWidgetItem(execute_time)
+        execute_time_item.setTextAlignment(Qt.AlignmentFlag.AlignCenter)
+        self.HistoryTableWidget.setItem(row, 0, execute_time_item)
+        result_item = QTableWidgetItem(result.value)
+        result_item.setTextAlignment(Qt.AlignmentFlag.AlignCenter)
         match result:
             case ALTimerTaskStatus.EXECUTED:
-                ResultItem.setForeground(Qt.GlobalColor.green)
+                result_item.setForeground(Qt.GlobalColor.green)
             case ALTimerTaskStatus.ERROR:
-                ResultItem.setForeground(Qt.GlobalColor.red)
+                result_item.setForeground(Qt.GlobalColor.red)
             case ALTimerTaskStatus.OUTDATED:
-                ResultItem.setForeground(Qt.GlobalColor.red)
+                result_item.setForeground(Qt.GlobalColor.red)
             case _:
-                ResultItem.setForeground(Qt.GlobalColor.black)
-        self.HistoryTableWidget.setItem(row, 1, ResultItem)
-        DurationItem = QTableWidgetItem(f"{duration:.2f}")
-        DurationItem.setTextAlignment(Qt.AlignmentFlag.AlignCenter)
-        self.HistoryTableWidget.setItem(row, 2, DurationItem)
+                result_item.setForeground(Qt.GlobalColor.black)
+        self.HistoryTableWidget.setItem(row, 1, result_item)
+        duration_item = QTableWidgetItem(f"{duration:.2f}")
+        duration_item.setTextAlignment(Qt.AlignmentFlag.AlignCenter)
+        self.HistoryTableWidget.setItem(row, 2, duration_item)
         self.HistoryTableWidget.setRowHeight(row, 25)
 
     @Slot()

src/gui/ALTimerTaskManageWidget.py

@@ -81,12 +81,12 @@ class ALTimerTaskItemWidget(QWidget):
         self.TaskInfoLayout = QVBoxLayout()
         self.TaskInfoLayout.setSpacing(5)
         TaskNameLabel = QLabel(self.__timer_task["name"])
-        TaskNameLabelFont = TaskNameLabel.font()
-        TaskNameLabelFont.setBold(True)
-        TaskNameLabel.setFont(TaskNameLabelFont)
+        task_name_label_font = TaskNameLabel.font()
+        task_name_label_font.setBold(True)
+        TaskNameLabel.setFont(task_name_label_font)
         TaskNameLabel.setFixedHeight(25)
         self.TaskInfoLayout.addWidget(TaskNameLabel)
-        ExecuteTimeStr = self.__timer_task["execute_time"].strftime("%Y-%m-%d %H:%M:%S")
+        execute_time_str = self.__timer_task["execute_time"].strftime("%Y-%m-%d %H:%M:%S")
         if self.__timer_task.get("repeat", False):
             repeat_days = self.__timer_task.get("repeat_days", [])
             repeat_hour = self.__timer_task.get("repeat_hour", 0)
@@ -94,14 +94,14 @@ class ALTimerTaskItemWidget(QWidget):
             repeat_second = self.__timer_task.get("repeat_second", 0)
             if len(repeat_days) == 7:
                 time_str = f"{repeat_hour:02d}:{repeat_minute:02d}:{repeat_second:02d}"
-                ExecuteTimeLabel = QLabel(f"下次执行时间: {ExecuteTimeStr} (每日 {time_str})")
+                ExecuteTimeLabel = QLabel(f"下次执行时间: {execute_time_str} (每日 {time_str})")
             else:
                 day_names = ["周一", "周二", "周三", "周四", "周五", "周六", "周日"]
                 selected_days = [day_names[d] for d in repeat_days]
                 time_str = f"{repeat_hour:02d}:{repeat_minute:02d}:{repeat_second:02d}"
-                ExecuteTimeLabel = QLabel(f"下次执行时间: {ExecuteTimeStr} (每{','.join(selected_days)} {time_str})")
+                ExecuteTimeLabel = QLabel(f"下次执行时间: {execute_time_str} (每{','.join(selected_days)} {time_str})")
         else:
-            ExecuteTimeLabel = QLabel(f"执行时间: {ExecuteTimeStr}")
+            ExecuteTimeLabel = QLabel(f"执行时间: {execute_time_str}")
         ExecuteTimeLabel.setStyleSheet("color: #969696;")
         ExecuteTimeLabel.setFixedHeight(20)
         self.TaskInfoLayout.addWidget(ExecuteTimeLabel)

src/gui/ALUserTreeWidget.py

@@ -109,27 +109,27 @@ class ALUserTreeWidget(QTreeWidget):
 
         super().dragMoveEvent(event)
 
-        SourceItem = self.currentItem()
-        TargetItem = self.itemAt(event.position().toPoint())
-        if SourceItem is None:
+        source_item = self.currentItem()
+        target_item = self.itemAt(event.position().toPoint())
+        if source_item is None:
             event.ignore()
             return
-        if SourceItem.type() == ALUserTreeItemType.GROUP.value:
-            if TargetItem is not None:
+        if source_item.type() == ALUserTreeItemType.GROUP.value:
+            if target_item is not None:
                 event.ignore()
                 return
-        elif SourceItem.type() == ALUserTreeItemType.USER.value:
-            if TargetItem is None:
+        elif source_item.type() == ALUserTreeItemType.USER.value:
+            if target_item is None:
                 event.ignore()
                 return
-            if TargetItem.type() != ALUserTreeItemType.GROUP.value:
+            if target_item.type() != ALUserTreeItemType.GROUP.value:
                 event.ignore()
                 return
-            if TargetItem.checkState(1) == Qt.CheckState.Unchecked:
+            if target_item.checkState(1) == Qt.CheckState.Unchecked:
                 event.ignore()
                 return
             if not self.isDragPositionValid(
-                self.visualItemRect(TargetItem),
+                self.visualItemRect(target_item),
                 event.position().toPoint()
             ):
                 event.ignore()

src/gui/resources/ui/ALBulletinDialog.ui

@@ -0,0 +1,385 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ALBulletinDialog</class>
+ <widget class="QDialog" name="ALBulletinDialog">
+  <property name="windowModality">
+   <enum>Qt::WindowModality::NonModal</enum>
+  </property>
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>640</width>
+    <height>450</height>
+   </rect>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>400</width>
+    <height>450</height>
+   </size>
+  </property>
+  <property name="maximumSize">
+   <size>
+    <width>800</width>
+    <height>450</height>
+   </size>
+  </property>
+  <property name="windowTitle">
+   <string>公告栏 - AutoLibrary</string>
+  </property>
+  <layout class="QVBoxLayout" name="ALBulletinDialogLayout">
+   <property name="spacing">
+    <number>5</number>
+   </property>
+   <property name="leftMargin">
+    <number>5</number>
+   </property>
+   <property name="topMargin">
+    <number>5</number>
+   </property>
+   <property name="rightMargin">
+    <number>5</number>
+   </property>
+   <property name="bottomMargin">
+    <number>5</number>
+   </property>
+   <item>
+    <layout class="QHBoxLayout" name="SyncLayout">
+     <property name="spacing">
+      <number>10</number>
+     </property>
+     <item>
+      <widget class="QPushButton" name="SyncButton">
+       <property name="enabled">
+        <bool>true</bool>
+       </property>
+       <property name="minimumSize">
+        <size>
+         <width>80</width>
+         <height>25</height>
+        </size>
+       </property>
+       <property name="maximumSize">
+        <size>
+         <width>80</width>
+         <height>25</height>
+        </size>
+       </property>
+       <property name="focusPolicy">
+        <enum>Qt::FocusPolicy::NoFocus</enum>
+       </property>
+       <property name="text">
+        <string>同步</string>
+       </property>
+       <property name="autoDefault">
+        <bool>false</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="SyncStatusPlaceholder">
+       <property name="minimumSize">
+        <size>
+         <width>30</width>
+         <height>30</height>
+        </size>
+       </property>
+       <property name="maximumSize">
+        <size>
+         <width>30</width>
+         <height>30</height>
+        </size>
+       </property>
+       <property name="text">
+        <string/>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="SyncStatusDetailLabel">
+       <property name="minimumSize">
+        <size>
+         <width>80</width>
+         <height>25</height>
+        </size>
+       </property>
+       <property name="maximumSize">
+        <size>
+         <width>200</width>
+         <height>25</height>
+        </size>
+       </property>
+       <property name="text">
+        <string/>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QFrame" name="SyncSpaceFrame">
+       <property name="minimumSize">
+        <size>
+         <width>0</width>
+         <height>25</height>
+        </size>
+       </property>
+       <property name="maximumSize">
+        <size>
+         <width>800</width>
+         <height>25</height>
+        </size>
+       </property>
+       <property name="frameShape">
+        <enum>QFrame::Shape::NoFrame</enum>
+       </property>
+       <property name="frameShadow">
+        <enum>QFrame::Shadow::Plain</enum>
+       </property>
+       <property name="lineWidth">
+        <number>0</number>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="LastSyncTimeLabel">
+       <property name="minimumSize">
+        <size>
+         <width>50</width>
+         <height>25</height>
+        </size>
+       </property>
+       <property name="maximumSize">
+        <size>
+         <width>50</width>
+         <height>25</height>
+        </size>
+       </property>
+       <property name="text">
+        <string>上次同步：</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QDateTimeEdit" name="LastSyncDateTimeEdit">
+       <property name="minimumSize">
+        <size>
+         <width>130</width>
+         <height>25</height>
+        </size>
+       </property>
+       <property name="maximumSize">
+        <size>
+         <width>130</width>
+         <height>25</height>
+        </size>
+       </property>
+       <property name="frame">
+        <bool>false</bool>
+       </property>
+       <property name="readOnly">
+        <bool>true</bool>
+       </property>
+       <property name="buttonSymbols">
+        <enum>QAbstractSpinBox::ButtonSymbols::NoButtons</enum>
+       </property>
+       <property name="keyboardTracking">
+        <bool>false</bool>
+       </property>
+       <property name="displayFormat">
+        <string>yyyy/MM/dd HH:mm:ss</string>
+       </property>
+       <property name="timeSpec">
+        <enum>Qt::TimeSpec::LocalTime</enum>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QSplitter" name="BulletinSplitter">
+     <property name="orientation">
+      <enum>Qt::Orientation::Horizontal</enum>
+     </property>
+     <widget class="QFrame" name="LeftFrame">
+      <property name="frameShape">
+       <enum>QFrame::Shape::NoFrame</enum>
+      </property>
+      <property name="frameShadow">
+       <enum>QFrame::Shadow::Plain</enum>
+      </property>
+      <layout class="QVBoxLayout" name="LeftFrameLayout">
+       <property name="spacing">
+        <number>5</number>
+       </property>
+       <property name="leftMargin">
+        <number>0</number>
+       </property>
+       <property name="topMargin">
+        <number>0</number>
+       </property>
+       <property name="rightMargin">
+        <number>0</number>
+       </property>
+       <property name="bottomMargin">
+        <number>0</number>
+       </property>
+       <item>
+        <widget class="QListWidget" name="BulletinListWidget">
+         <property name="frameShape">
+          <enum>QFrame::Shape::NoFrame</enum>
+         </property>
+         <property name="editTriggers">
+          <set>QAbstractItemView::EditTrigger::NoEditTriggers</set>
+         </property>
+         <property name="selectionMode">
+          <enum>QAbstractItemView::SelectionMode::SingleSelection</enum>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QFrame" name="RightFrame">
+      <property name="frameShape">
+       <enum>QFrame::Shape::NoFrame</enum>
+      </property>
+      <property name="frameShadow">
+       <enum>QFrame::Shadow::Plain</enum>
+      </property>
+      <layout class="QVBoxLayout" name="RightFrameLayout">
+       <property name="spacing">
+        <number>5</number>
+       </property>
+       <property name="leftMargin">
+        <number>0</number>
+       </property>
+       <property name="topMargin">
+        <number>0</number>
+       </property>
+       <property name="rightMargin">
+        <number>0</number>
+       </property>
+       <property name="bottomMargin">
+        <number>0</number>
+       </property>
+       <item>
+        <widget class="QLabel" name="BulletinTitleLabel">
+         <property name="text">
+          <string/>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <layout class="QHBoxLayout" name="BulletinInfoLayout">
+         <property name="spacing">
+          <number>5</number>
+         </property>
+         <item>
+          <widget class="QLabel" name="BulletinDateLabel">
+           <property name="text">
+            <string/>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QLabel" name="BulletinAuthorLabel">
+           <property name="text">
+            <string/>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QLabel" name="BulletinIsEditedLabel">
+           <property name="text">
+            <string>(已编辑)</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <spacer name="BulletinInfoSpacer">
+           <property name="orientation">
+            <enum>Qt::Orientation::Horizontal</enum>
+           </property>
+           <property name="sizeHint" stdset="0">
+            <size>
+             <width>40</width>
+             <height>20</height>
+            </size>
+           </property>
+          </spacer>
+         </item>
+        </layout>
+       </item>
+       <item>
+        <widget class="QTextBrowser" name="BulletinContentTextBrowser">
+         <property name="readOnly">
+          <bool>true</bool>
+         </property>
+         <property name="openExternalLinks">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+    </widget>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="BulletinDialogButtonBox">
+     <property name="minimumSize">
+      <size>
+       <width>0</width>
+       <height>25</height>
+      </size>
+     </property>
+     <property name="maximumSize">
+      <size>
+       <width>16777215</width>
+       <height>25</height>
+      </size>
+     </property>
+     <property name="orientation">
+      <enum>Qt::Orientation::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::StandardButton::Cancel|QDialogButtonBox::StandardButton::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>BulletinDialogButtonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>ALBulletinDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>BulletinDialogButtonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>ALBulletinDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

src/gui/resources/ui/ALSettingsWidget.ui

@@ -101,340 +101,555 @@
          <iconset theme="preferences-desktop-color"/>
         </property>
        </item>
+       <item>
+        <property name="text">
+         <string>公告</string>
+        </property>
+        <property name="icon">
+         <iconset theme="preferences-desktop-color"/>
+        </property>
+       </item>
       </widget>
      </item>
      <item>
-      <widget class="QScrollArea" name="AppearanceScrollArea">
-       <property name="frameShape">
-        <enum>QFrame::Shape::NoFrame</enum>
-       </property>
-       <property name="widgetResizable">
-        <bool>true</bool>
-       </property>
-       <widget class="QWidget" name="AppearancePageContent">
-        <property name="geometry">
-         <rect>
-          <x>0</x>
-          <y>-51</y>
-          <width>397</width>
-          <height>434</height>
-         </rect>
+      <widget class="QStackedWidget" name="PageStack">
+       <widget class="QScrollArea" name="AppearanceScrollArea">
+        <property name="frameShape">
+         <enum>QFrame::Shape::NoFrame</enum>
         </property>
-        <layout class="QVBoxLayout" name="AppearancePageLayout">
-         <property name="spacing">
-          <number>5</number>
+        <property name="widgetResizable">
+         <bool>true</bool>
+        </property>
+        <widget class="QWidget" name="AppearancePageContent">
+         <property name="geometry">
+          <rect>
+           <x>0</x>
+           <y>0</y>
+           <width>397</width>
+           <height>434</height>
+          </rect>
          </property>
-         <property name="leftMargin">
-          <number>3</number>
+         <layout class="QVBoxLayout" name="AppearancePageLayout">
+          <property name="spacing">
+           <number>5</number>
+          </property>
+          <property name="leftMargin">
+           <number>3</number>
+          </property>
+          <property name="topMargin">
+           <number>3</number>
+          </property>
+          <property name="rightMargin">
+           <number>3</number>
+          </property>
+          <property name="bottomMargin">
+           <number>3</number>
+          </property>
+          <item>
+           <widget class="QGroupBox" name="AppearanceGroupBox">
+            <property name="title">
+             <string>主题模式</string>
+            </property>
+            <layout class="QVBoxLayout" name="AppearanceGroupBoxLayout">
+             <property name="spacing">
+              <number>5</number>
+             </property>
+             <property name="leftMargin">
+              <number>3</number>
+             </property>
+             <property name="topMargin">
+              <number>3</number>
+             </property>
+             <property name="rightMargin">
+              <number>3</number>
+             </property>
+             <property name="bottomMargin">
+              <number>3</number>
+             </property>
+             <item>
+              <widget class="QRadioButton" name="LightThemeRadio">
+               <property name="text">
+                <string>浅色</string>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QRadioButton" name="DarkThemeRadio">
+               <property name="text">
+                <string>深色</string>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QRadioButton" name="SystemThemeRadio">
+               <property name="text">
+                <string>跟随系统</string>
+               </property>
+               <property name="checked">
+                <bool>true</bool>
+               </property>
+              </widget>
+             </item>
+            </layout>
+           </widget>
+          </item>
+          <item>
+           <widget class="QGroupBox" name="InterfaceGroupBox">
+            <property name="title">
+             <string>界面风格</string>
+            </property>
+            <layout class="QVBoxLayout" name="InterfaceGroupBoxLayout">
+             <property name="spacing">
+              <number>5</number>
+             </property>
+             <property name="leftMargin">
+              <number>3</number>
+             </property>
+             <property name="topMargin">
+              <number>3</number>
+             </property>
+             <property name="rightMargin">
+              <number>3</number>
+             </property>
+             <property name="bottomMargin">
+              <number>3</number>
+             </property>
+             <item>
+              <layout class="QHBoxLayout" name="StyleSelectLayout">
+               <property name="spacing">
+                <number>5</number>
+               </property>
+               <item>
+                <widget class="QLabel" name="StyleSelectLabel">
+                 <property name="minimumSize">
+                  <size>
+                   <width>100</width>
+                   <height>25</height>
+                  </size>
+                 </property>
+                 <property name="maximumSize">
+                  <size>
+                   <width>100</width>
+                   <height>25</height>
+                  </size>
+                 </property>
+                 <property name="text">
+                  <string>应用程序样式：</string>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <widget class="QComboBox" name="StyleComboBox">
+                 <property name="minimumSize">
+                  <size>
+                   <width>160</width>
+                   <height>25</height>
+                  </size>
+                 </property>
+                </widget>
+               </item>
+              </layout>
+             </item>
+             <item>
+              <widget class="QLabel" name="StyleHintLabel">
+               <property name="text">
+                <string>更改样式将在下次启动应用程序时生效。</string>
+               </property>
+              </widget>
+             </item>
+            </layout>
+           </widget>
+          </item>
+          <item>
+           <widget class="QGroupBox" name="CustomThemeGroupBox">
+            <property name="title">
+             <string>自定义外观</string>
+            </property>
+            <layout class="QVBoxLayout" name="CustomQssGroupBoxLayout">
+             <property name="spacing">
+              <number>5</number>
+             </property>
+             <property name="leftMargin">
+              <number>3</number>
+             </property>
+             <property name="topMargin">
+              <number>3</number>
+             </property>
+             <property name="rightMargin">
+              <number>3</number>
+             </property>
+             <property name="bottomMargin">
+              <number>3</number>
+             </property>
+             <item>
+              <widget class="QLabel" name="CustomThemeHintLabel">
+               <property name="text">
+                <string>选择一个主题，或导入新的主题文件：</string>
+               </property>
+               <property name="wordWrap">
+                <bool>true</bool>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <layout class="QHBoxLayout" name="CustomThemePathLayout">
+               <property name="spacing">
+                <number>5</number>
+               </property>
+               <item>
+                <widget class="QComboBox" name="CustomThemeComboBox">
+                 <property name="minimumSize">
+                  <size>
+                   <width>160</width>
+                   <height>25</height>
+                  </size>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <widget class="QLineEdit" name="CustomThemePathEdit">
+                 <property name="minimumSize">
+                  <size>
+                   <width>0</width>
+                   <height>25</height>
+                  </size>
+                 </property>
+                 <property name="visible">
+                  <bool>false</bool>
+                 </property>
+                 <property name="placeholderText">
+                  <string>选择或输入 QSS 样式表文件路径...</string>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <widget class="QPushButton" name="ImportCustomThemeButton">
+                 <property name="minimumSize">
+                  <size>
+                   <width>25</width>
+                   <height>25</height>
+                  </size>
+                 </property>
+                 <property name="maximumSize">
+                  <size>
+                   <width>25</width>
+                   <height>25</height>
+                  </size>
+                 </property>
+                 <property name="text">
+                  <string>+</string>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <widget class="QPushButton" name="RemoveCustomThemeButton">
+                 <property name="minimumSize">
+                  <size>
+                   <width>25</width>
+                   <height>25</height>
+                  </size>
+                 </property>
+                 <property name="maximumSize">
+                  <size>
+                   <width>25</width>
+                   <height>25</height>
+                  </size>
+                 </property>
+                 <property name="text">
+                  <string>-</string>
+                 </property>
+                </widget>
+               </item>
+              </layout>
+             </item>
+             <item>
+              <widget class="QLabel" name="CustomThemeInfoLabel">
+               <property name="minimumSize">
+                <size>
+                 <width>0</width>
+                 <height>60</height>
+                </size>
+               </property>
+               <property name="text">
+                <string/>
+               </property>
+               <property name="textFormat">
+                <enum>Qt::TextFormat::RichText</enum>
+               </property>
+               <property name="alignment">
+                <set>Qt::AlignmentFlag::AlignLeading|Qt::AlignmentFlag::AlignLeft|Qt::AlignmentFlag::AlignTop</set>
+               </property>
+               <property name="wordWrap">
+                <bool>true</bool>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <layout class="QHBoxLayout" name="CustomThemeActionLayout">
+               <property name="spacing">
+                <number>5</number>
+               </property>
+               <item>
+                <widget class="QPushButton" name="ResetCustomThemeButton">
+                 <property name="minimumSize">
+                  <size>
+                   <width>80</width>
+                   <height>25</height>
+                  </size>
+                 </property>
+                 <property name="text">
+                  <string>重置主题</string>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <spacer name="CustomThemeActionSpacer">
+                 <property name="orientation">
+                  <enum>Qt::Orientation::Horizontal</enum>
+                 </property>
+                 <property name="sizeHint" stdset="0">
+                  <size>
+                   <width>40</width>
+                   <height>20</height>
+                  </size>
+                 </property>
+                </spacer>
+               </item>
+              </layout>
+             </item>
+             <item>
+              <widget class="QLabel" name="CustomThemeStatusLabel">
+               <property name="text">
+                <string>当前使用程序 默认 外观。</string>
+               </property>
+               <property name="wordWrap">
+                <bool>true</bool>
+               </property>
+              </widget>
+             </item>
+            </layout>
+           </widget>
+          </item>
+          <item>
+           <spacer name="AppearancePageSpacer">
+            <property name="orientation">
+             <enum>Qt::Orientation::Vertical</enum>
+            </property>
+            <property name="sizeHint" stdset="0">
+             <size>
+              <width>20</width>
+              <height>40</height>
+             </size>
+            </property>
+           </spacer>
+          </item>
+         </layout>
+        </widget>
+       </widget>
+       <widget class="QScrollArea" name="BulletinScrollArea">
+        <property name="frameShape">
+         <enum>QFrame::Shape::NoFrame</enum>
+        </property>
+        <property name="widgetResizable">
+         <bool>true</bool>
+        </property>
+        <widget class="QWidget" name="BulletinPageContent">
+         <property name="geometry">
+          <rect>
+           <x>0</x>
+           <y>0</y>
+           <width>397</width>
+           <height>434</height>
+          </rect>
          </property>
-         <property name="topMargin">
-          <number>3</number>
-         </property>
-         <property name="rightMargin">
-          <number>3</number>
-         </property>
-         <property name="bottomMargin">
-          <number>3</number>
-         </property>
-         <item>
-          <widget class="QGroupBox" name="AppearanceGroupBox">
-           <property name="title">
-            <string>主题模式</string>
-           </property>
-           <layout class="QVBoxLayout" name="AppearanceGroupBoxLayout">
-            <property name="spacing">
-             <number>5</number>
+         <layout class="QVBoxLayout" name="BulletinPageLayout">
+          <property name="spacing">
+           <number>5</number>
+          </property>
+          <property name="leftMargin">
+           <number>3</number>
+          </property>
+          <property name="topMargin">
+           <number>3</number>
+          </property>
+          <property name="rightMargin">
+           <number>3</number>
+          </property>
+          <property name="bottomMargin">
+           <number>3</number>
+          </property>
+          <item>
+           <widget class="QGroupBox" name="BulletinGroupBox">
+            <property name="title">
+             <string>公告设置</string>
             </property>
-            <property name="leftMargin">
-             <number>3</number>
+            <layout class="QVBoxLayout" name="BulletinGroupBoxLayout">
+             <property name="spacing">
+              <number>5</number>
+             </property>
+             <property name="leftMargin">
+              <number>3</number>
+             </property>
+             <property name="topMargin">
+              <number>3</number>
+             </property>
+             <property name="rightMargin">
+              <number>3</number>
+             </property>
+             <property name="bottomMargin">
+              <number>3</number>
+             </property>
+             <item>
+              <layout class="QHBoxLayout" name="BulletinServerUrlLayout">
+               <property name="spacing">
+                <number>5</number>
+               </property>
+               <item>
+                <widget class="QLabel" name="BulletinServerUrlLabel">
+                 <property name="minimumSize">
+                  <size>
+                   <width>100</width>
+                   <height>25</height>
+                  </size>
+                 </property>
+                 <property name="maximumSize">
+                  <size>
+                   <width>100</width>
+                   <height>25</height>
+                  </size>
+                 </property>
+                 <property name="text">
+                  <string>服务器地址：</string>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <widget class="QLineEdit" name="BulletinServerUrlEdit">
+                 <property name="minimumSize">
+                  <size>
+                   <width>200</width>
+                   <height>25</height>
+                  </size>
+                 </property>
+                 <property name="placeholderText">
+                  <string>https://api.autolibrary.kenanzhu.com</string>
+                 </property>
+                </widget>
+               </item>
+              </layout>
+             </item>
+             <item>
+              <widget class="QCheckBox" name="BulletinAutoFetchCheck">
+               <property name="text">
+                <string>软件启动时自动获取公告</string>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <layout class="QHBoxLayout" name="BulletinSyncIntervalLayout">
+               <property name="spacing">
+                <number>5</number>
+               </property>
+               <item>
+                <widget class="QLabel" name="BulletinSyncIntervalLabel">
+                 <property name="minimumSize">
+                  <size>
+                   <width>100</width>
+                   <height>25</height>
+                  </size>
+                 </property>
+                 <property name="maximumSize">
+                  <size>
+                   <width>100</width>
+                   <height>25</height>
+                  </size>
+                 </property>
+                 <property name="text">
+                  <string>自动同步间隔：</string>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <widget class="QSpinBox" name="BulletinSyncIntervalSpin">
+                 <property name="minimumSize">
+                  <size>
+                   <width>80</width>
+                   <height>25</height>
+                  </size>
+                 </property>
+                 <property name="minimum">
+                  <number>1</number>
+                 </property>
+                 <property name="maximum">
+                  <number>1440</number>
+                 </property>
+                 <property name="suffix">
+                  <string> 分钟</string>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <spacer name="BulletinSyncIntervalSpacer">
+                 <property name="orientation">
+                  <enum>Qt::Orientation::Horizontal</enum>
+                 </property>
+                 <property name="sizeHint" stdset="0">
+                  <size>
+                   <width>40</width>
+                   <height>20</height>
+                  </size>
+                 </property>
+                </spacer>
+               </item>
+              </layout>
+             </item>
+             <item>
+              <widget class="QPushButton" name="BulletinTestButton">
+               <property name="minimumSize">
+                <size>
+                 <width>100</width>
+                 <height>25</height>
+                </size>
+               </property>
+               <property name="maximumSize">
+                <size>
+                 <width>100</width>
+                 <height>25</height>
+                </size>
+               </property>
+               <property name="text">
+                <string>测试连接</string>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QLabel" name="BulletinTestStatusLabel">
+               <property name="text">
+                <string/>
+               </property>
+               <property name="wordWrap">
+                <bool>true</bool>
+               </property>
+              </widget>
+             </item>
+            </layout>
+           </widget>
+          </item>
+          <item>
+           <spacer name="BulletinPageSpacer">
+            <property name="orientation">
+             <enum>Qt::Orientation::Vertical</enum>
             </property>
-            <property name="topMargin">
-             <number>3</number>
+            <property name="sizeHint" stdset="0">
+             <size>
+              <width>20</width>
+              <height>40</height>
+             </size>
             </property>
-            <property name="rightMargin">
-             <number>3</number>
-            </property>
-            <property name="bottomMargin">
-             <number>3</number>
-            </property>
-            <item>
-             <widget class="QRadioButton" name="LightThemeRadio">
-              <property name="text">
-               <string>浅色</string>
-              </property>
-             </widget>
-            </item>
-            <item>
-             <widget class="QRadioButton" name="DarkThemeRadio">
-              <property name="text">
-               <string>深色</string>
-              </property>
-             </widget>
-            </item>
-            <item>
-             <widget class="QRadioButton" name="SystemThemeRadio">
-              <property name="text">
-               <string>跟随系统</string>
-              </property>
-              <property name="checked">
-               <bool>true</bool>
-              </property>
-             </widget>
-            </item>
-           </layout>
-          </widget>
-         </item>
-         <item>
-          <widget class="QGroupBox" name="InterfaceGroupBox">
-           <property name="title">
-            <string>界面风格</string>
-           </property>
-           <layout class="QVBoxLayout" name="InterfaceGroupBoxLayout">
-            <property name="spacing">
-             <number>5</number>
-            </property>
-            <property name="leftMargin">
-             <number>3</number>
-            </property>
-            <property name="topMargin">
-             <number>3</number>
-            </property>
-            <property name="rightMargin">
-             <number>3</number>
-            </property>
-            <property name="bottomMargin">
-             <number>3</number>
-            </property>
-            <item>
-             <layout class="QHBoxLayout" name="StyleSelectLayout">
-              <property name="spacing">
-               <number>5</number>
-              </property>
-              <item>
-               <widget class="QLabel" name="StyleSelectLabel">
-                <property name="minimumSize">
-                 <size>
-                  <width>100</width>
-                  <height>25</height>
-                 </size>
-                </property>
-                <property name="maximumSize">
-                 <size>
-                  <width>100</width>
-                  <height>25</height>
-                 </size>
-                </property>
-                <property name="text">
-                 <string>应用程序样式：</string>
-                </property>
-               </widget>
-              </item>
-              <item>
-               <widget class="QComboBox" name="StyleComboBox">
-                <property name="minimumSize">
-                 <size>
-                  <width>160</width>
-                  <height>25</height>
-                 </size>
-                </property>
-               </widget>
-              </item>
-             </layout>
-            </item>
-            <item>
-             <widget class="QLabel" name="StyleHintLabel">
-              <property name="text">
-               <string>更改样式将在下次启动应用程序时生效。</string>
-              </property>
-             </widget>
-            </item>
-           </layout>
-          </widget>
-         </item>
-         <item>
-          <widget class="QGroupBox" name="CustomThemeGroupBox">
-           <property name="title">
-            <string>自定义外观</string>
-           </property>
-           <layout class="QVBoxLayout" name="CustomQssGroupBoxLayout">
-            <property name="spacing">
-             <number>5</number>
-            </property>
-            <property name="leftMargin">
-             <number>3</number>
-            </property>
-            <property name="topMargin">
-             <number>3</number>
-            </property>
-            <property name="rightMargin">
-             <number>3</number>
-            </property>
-            <property name="bottomMargin">
-             <number>3</number>
-            </property>
-            <item>
-             <widget class="QLabel" name="CustomThemeHintLabel">
-              <property name="text">
-               <string>选择一个主题，或导入新的主题文件：</string>
-              </property>
-              <property name="wordWrap">
-               <bool>true</bool>
-              </property>
-             </widget>
-            </item>
-            <item>
-             <layout class="QHBoxLayout" name="CustomThemePathLayout">
-              <property name="spacing">
-               <number>5</number>
-              </property>
-              <item>
-               <widget class="QComboBox" name="CustomThemeComboBox">
-                <property name="minimumSize">
-                 <size>
-                  <width>160</width>
-                  <height>25</height>
-                 </size>
-                </property>
-               </widget>
-              </item>
-              <item>
-               <widget class="QLineEdit" name="CustomThemePathEdit">
-                <property name="minimumSize">
-                 <size>
-                  <width>0</width>
-                  <height>25</height>
-                 </size>
-                </property>
-                <property name="visible">
-                 <bool>false</bool>
-                </property>
-                <property name="placeholderText">
-                 <string>选择或输入 QSS 样式表文件路径...</string>
-                </property>
-               </widget>
-              </item>
-              <item>
-               <widget class="QPushButton" name="ImportCustomThemeButton">
-                <property name="minimumSize">
-                 <size>
-                  <width>25</width>
-                  <height>25</height>
-                 </size>
-                </property>
-                <property name="maximumSize">
-                 <size>
-                  <width>25</width>
-                  <height>25</height>
-                 </size>
-                </property>
-                <property name="text">
-                 <string>+</string>
-                </property>
-               </widget>
-              </item>
-              <item>
-               <widget class="QPushButton" name="RemoveCustomThemeButton">
-                <property name="minimumSize">
-                 <size>
-                  <width>25</width>
-                  <height>25</height>
-                 </size>
-                </property>
-                <property name="maximumSize">
-                 <size>
-                  <width>25</width>
-                  <height>25</height>
-                 </size>
-                </property>
-                <property name="text">
-                 <string>-</string>
-                </property>
-               </widget>
-              </item>
-             </layout>
-            </item>
-            <item>
-             <widget class="QLabel" name="CustomThemeInfoLabel">
-              <property name="minimumSize">
-               <size>
-                <width>0</width>
-                <height>60</height>
-               </size>
-              </property>
-              <property name="text">
-               <string/>
-              </property>
-              <property name="textFormat">
-               <enum>Qt::TextFormat::RichText</enum>
-              </property>
-              <property name="alignment">
-               <set>Qt::AlignmentFlag::AlignLeading|Qt::AlignmentFlag::AlignLeft|Qt::AlignmentFlag::AlignTop</set>
-              </property>
-              <property name="wordWrap">
-               <bool>true</bool>
-              </property>
-             </widget>
-            </item>
-            <item>
-             <layout class="QHBoxLayout" name="CustomThemeActionLayout">
-              <property name="spacing">
-               <number>5</number>
-              </property>
-              <item>
-               <widget class="QPushButton" name="ResetCustomThemeButton">
-                <property name="minimumSize">
-                 <size>
-                  <width>80</width>
-                  <height>25</height>
-                 </size>
-                </property>
-                <property name="text">
-                 <string>重置主题</string>
-                </property>
-               </widget>
-              </item>
-              <item>
-               <spacer name="CustomThemeActionSpacer">
-                <property name="orientation">
-                 <enum>Qt::Orientation::Horizontal</enum>
-                </property>
-                <property name="sizeHint" stdset="0">
-                 <size>
-                  <width>40</width>
-                  <height>20</height>
-                 </size>
-                </property>
-               </spacer>
-              </item>
-             </layout>
-            </item>
-            <item>
-             <widget class="QLabel" name="CustomThemeStatusLabel">
-              <property name="text">
-               <string>当前使用程序 默认 外观。</string>
-              </property>
-              <property name="wordWrap">
-               <bool>true</bool>
-              </property>
-             </widget>
-            </item>
-           </layout>
-          </widget>
-         </item>
-         <item>
-          <spacer name="AppearancePageSpacer">
-           <property name="orientation">
-            <enum>Qt::Orientation::Vertical</enum>
-           </property>
-           <property name="sizeHint" stdset="0">
-            <size>
-             <width>20</width>
-             <height>40</height>
-            </size>
-           </property>
-          </spacer>
-         </item>
-        </layout>
+           </spacer>
+          </item>
+         </layout>
+        </widget>
        </widget>
       </widget>
      </item>

src/interfaces/ConfigProvider.py

@@ -72,6 +72,12 @@ class CfgKey:
             STYLE = ConfigPath(ConfigType.GLOBAL, "appearance.style")
             CUSTOM_THEME = ConfigPath(ConfigType.GLOBAL, "appearance.custom_theme")
 
+        class BULLETIN:
+            ROOT = ConfigPath(ConfigType.GLOBAL, "bulletin")
+            AUTO_FETCH = ConfigPath(ConfigType.GLOBAL, "bulletin.auto_fetch")
+            SERVER_URL = ConfigPath(ConfigType.GLOBAL, "bulletin.server_url")
+            SYNC_INTERVAL = ConfigPath(ConfigType.GLOBAL, "bulletin.sync_interval")
+
     class TIMERTASK:
         ROOT = ConfigPath(ConfigType.TIMERTASK, "")
         TIMER_TASKS = ConfigPath(ConfigType.TIMERTASK, "timer_tasks")

src/managers/bulletin/BulletinManager.py

@@ -0,0 +1,342 @@
+# -*- coding: utf-8 -*-
+"""
+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.
+"""
+import threading
+
+from datetime import datetime, timedelta, timezone
+from typing import Optional
+
+from interfaces.ConfigProvider import (
+    CfgKey,
+    ConfigProvider
+)
+from managers.config.ConfigManager import instance as configInstance
+
+
+class BulletinManager:
+    """
+        Bulletin Manager Singleton Class
+
+        Manages bulletin data persistence via ConfigManager and provides
+        merge, read-status and sync-parameter logic. The HTTP fetch and
+        UI concerns are handled by the GUI layer.
+    """
+
+    def __init__(
+        self
+    ):
+
+        self.__lock = threading.Lock()
+        self.__cfg: ConfigProvider = configInstance()
+
+    def bulletins(
+        self
+    ) -> list[dict]:
+        """
+            Get cached bulletins.
+
+            Returns:
+                list[dict]: Cached bulletin list.
+        """
+
+        return self.__cfg.get(CfgKey.BULLETIN.BULLETIN, [])
+
+    def setBulletins(
+        self,
+        bulletins: list[dict]
+    ):
+        """
+            Replace the bulletin cache.
+
+            Args:
+                bulletins (list[dict]): Bulletin list to store.
+        """
+
+        self.__cfg.set(CfgKey.BULLETIN.BULLETIN, bulletins)
+
+    def lastSyncTime(
+        self
+    ) -> Optional[str]:
+        """
+            Get last sync time string.
+
+            Returns:
+                Optional[str]: ISO-format last sync time, or None.
+        """
+
+        return self.__cfg.get(CfgKey.BULLETIN.LAST_SYNC_TIME, None)
+
+    def setLastSyncTime(
+        self,
+        value: Optional[str]
+    ):
+        """
+            Set last sync time.
+
+            Args:
+                value (Optional[str]): ISO-format datetime string.
+        """
+
+        self.__cfg.set(CfgKey.BULLETIN.LAST_SYNC_TIME, value)
+
+    def autoFetch(
+        self
+    ) -> bool:
+        """
+            Get auto-fetch-on-startup setting.
+
+            Returns:
+                bool: Whether to fetch bulletins on application startup.
+        """
+
+        return self.__cfg.get(CfgKey.GLOBAL.BULLETIN.AUTO_FETCH, False)
+
+    def serverUrl(
+        self
+    ) -> str:
+        """
+            Get bulletin server URL.
+
+            Returns:
+                str: Server base URL.
+        """
+
+        return self.__cfg.get(
+            CfgKey.GLOBAL.BULLETIN.SERVER_URL,
+            "https://api.autolibrary.kenanzhu.com"
+        )
+
+    def syncInterval(
+        self
+    ) -> int:
+        """
+            Get auto-sync interval in minutes.
+
+            Values below 1 are clamped upward. Non-integer or missing
+            values fall back to the default of 10 minutes.
+
+            Returns:
+                int: Sync interval (minutes), minimum 1.
+        """
+
+        interval = self.__cfg.get(CfgKey.GLOBAL.BULLETIN.SYNC_INTERVAL, 10)
+        try:
+            interval = int(interval)
+        except (ValueError, TypeError):
+            return 10
+        if interval < 1:
+            return 5
+        return interval
+
+    def apiUrl(
+        self
+    ) -> str:
+        """
+            Build the full bulletin API endpoint URL.
+
+            Returns:
+                str: Full API URL (base + /bulletins).
+        """
+
+        base = self.serverUrl().rstrip("/")
+        return f"{base}/bulletins"
+
+    @staticmethod
+    def _ensureAware(
+        dt_value: datetime
+    ) -> datetime:
+
+        if dt_value.tzinfo is None:
+            return dt_value.replace(tzinfo=timezone.utc)
+        return dt_value
+
+    @staticmethod
+    def _parseBulletinDateTime(
+        b: dict
+    ) -> datetime:
+
+        raw = b.get("dateTime", "")
+        if not raw:
+            raise ValueError("empty dateTime")
+        dt_value = datetime.fromisoformat(raw)
+        return BulletinManager._ensureAware(dt_value)
+
+    def isFirstSync(
+        self
+    ) -> bool:
+        """
+            Check whether this is the first sync.
+
+            Returns:
+                bool: True if no cached bulletins or no last sync time.
+        """
+
+        with self.__lock:
+            last = self.lastSyncTime()
+            bulletins = self.bulletins()
+            return last is None or not bulletins
+
+    def shouldFullSync(
+        self
+    ) -> bool:
+        """
+            Check whether a full sync is needed.
+
+            A full sync is triggered when the last sync time is more than
+            one hour ago.
+
+            Returns:
+                bool: True if a full sync should be performed.
+        """
+
+        with self.__lock:
+            last = self.lastSyncTime()
+            if last is None:
+                return True
+            try:
+                last_dt = datetime.fromisoformat(last)
+                last_dt = self._ensureAware(last_dt)
+                now = datetime.now(timezone.utc).astimezone()
+                return (now - last_dt) > timedelta(hours=1)
+            except (ValueError, TypeError):
+                return True
+
+    def getSyncDateTimeAndRange(
+        self
+    ) -> dict:
+        """
+            Calculate the date / time / range_hour query parameters.
+
+            Falls back to a first-sync (7-day window) on any parsing error.
+
+            Returns:
+                dict: Keys "date", "time", "range_hour" for the API request.
+        """
+
+        now = datetime.now(timezone.utc).astimezone()
+        try:
+            if self.isFirstSync():
+                start_date = now - timedelta(days=7)
+                range_hour = str(24 * 8)
+            elif self.shouldFullSync():
+                with self.__lock:
+                    bulletins = self.bulletins()
+                earliest = min(bulletins, key=self._parseBulletinDateTime)
+                start_date = self._parseBulletinDateTime(earliest)
+                diff = now - start_date
+                range_hour = str(int(diff.total_seconds() / 3600) + 1)
+            else:
+                with self.__lock:
+                    bulletins = self.bulletins()
+                latest = max(bulletins, key=self._parseBulletinDateTime)
+                start_date = self._parseBulletinDateTime(latest)
+                diff = now - start_date
+                range_hour = str(int(diff.total_seconds() / 3600) + 1)
+        except (ValueError, TypeError, KeyError):
+            start_date = now - timedelta(days=7)
+            range_hour = str(24 * 8)
+
+        return {
+            "date": start_date.strftime("%Y-%m-%d"),
+            "time": start_date.strftime("%H:%M:%S"),
+            "range_hour": range_hour,
+        }
+
+    def updateAndMergeBulletins(
+        self,
+        new_bulletins: list[dict],
+        delete_ids: list[str]
+    ) -> list[dict]:
+        """
+            Merge incoming bulletins into the cache.
+
+            New bulletins are added with isNew=True. Existing bulletins
+            keep their current isNew state. Entries listed in delete_ids
+            are removed. Bulletins missing an "id" field are skipped.
+
+            Args:
+                new_bulletins (list[dict]): Incoming bulletin list.
+                delete_ids (list[str]): IDs to remove.
+
+            Returns:
+                list[dict]: Merged bulletin list sorted by id.
+        """
+
+        with self.__lock:
+            delete_set = set(str(d) for d in delete_ids)
+            bulletins_dict = {}
+            for b in self.bulletins():
+                bid = b.get("id")
+                if bid is not None:
+                    bulletins_dict[str(bid)] = b
+
+            for bulletin in new_bulletins:
+                bid = bulletin.get("id")
+                if bid is None:
+                    continue
+                bid = str(bid)
+                if bid in delete_set:
+                    bulletins_dict.pop(bid, None)
+                    continue
+                bulletin["isNew"] = (
+                    True
+                    if bid not in bulletins_dict
+                    else bulletins_dict[bid].get("isNew", True)
+                )
+                bulletins_dict[bid] = bulletin
+
+            for bid in delete_set:
+                bulletins_dict.pop(bid, None)
+
+            result = list(bulletins_dict.values())
+            result.sort(key=lambda x: str(x.get("id", "")))
+            self.setBulletins(result)
+            return result
+
+    def markBulletinAsRead(
+        self,
+        bulletin_id: str
+    ):
+        """
+            Mark a bulletin as read by its id.
+
+            Args:
+                bulletin_id (str): The bulletin id.
+        """
+
+        with self.__lock:
+            bulletins = self.bulletins()
+            for b in bulletins:
+                if str(b.get("id", "")) == str(bulletin_id):
+                    b["isNew"] = False
+                    self.setBulletins(bulletins)
+                    break
+
+
+# BulletinManager singleton instance.
+_bulletin_manager_instance = None
+
+# Singleton instance lock.
+_instance_lock = threading.Lock()
+
+
+def instance(
+) -> BulletinManager:
+    """
+        Get the BulletinManager singleton instance.
+
+        Returns:
+            BulletinManager: The singleton BulletinManager instance.
+    """
+
+    global _bulletin_manager_instance
+    with _instance_lock:
+        if _bulletin_manager_instance is None:
+            _bulletin_manager_instance = BulletinManager()
+    return _bulletin_manager_instance

src/managers/bulletin/__init__.py

@@ -0,0 +1,9 @@
+# -*- coding: utf-8 -*-
+"""
+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.
+"""

src/managers/config/ConfigManager.py

@@ -59,6 +59,11 @@ class ConfigTemplate:
                         "theme": "system",
                         "style": "Fusion",
                         "custom_theme": ""
+                    },
+                    "bulletin": {
+                        "auto_fetch": False,
+                        "server_url": "https://api.autolibrary.kenanzhu.com",
+                        "sync_interval": 10
                     }
                 }
             case ConfigType.BULLETIN:
@@ -105,7 +110,7 @@ class ConfigManager:
                 config_data = JSONReader(config_path).data()
                 self.__config_data[config_type.value] = config_data
                 return
-            except:
+            except Exception:
                 pass
         self.__config_data[config_type.value] = ConfigTemplate(config_type).template()
         JSONWriter(config_path, self.__config_data[config_type.value])