diff --git a/main.py b/main.py
index c40fc5d..4125d44 100644
--- a/main.py
+++ b/main.py
@@ -1,12 +1,6 @@
 import sys
 import os
 import json
-
-# Fix QtWebEngine initialization by importing it before QApplication is created
-import os
-os.environ["QTWEBENGINE_CHROMIUM_FLAGS"] = "--no-sandbox --disable-gpu --disable-gpu-compositing --disable-dev-shm-usage"
-from PyQt6.QtWebEngineWidgets import QWebEngineView
-
 from PyQt6.QtWidgets import (QApplication, QWidget, QVBoxLayout, QHBoxLayout, 
                              QPushButton, QLabel, QStackedWidget)
 from PyQt6.QtCore import Qt, QSize
@@ -14,6 +8,7 @@ from PyQt6.QtGui import QIcon, QFont
 
 from pages.status_page import StatusPage
 from pages.control_page import ControlPage
+from pages.setting_page import SettingPage
 from utils.aio_print_api import AIOPrrintSystemAPI
 
 def load_config():
@@ -49,14 +44,11 @@ class MainWindow(QWidget):
         # 添加测试页面
         self.page_status = StatusPage(self.api_client)
         self.page_control = ControlPage(self.api_client)
-        self.page_settings = QLabel("系统设置")
+        self.page_settings = SettingPage(self.api_client)
         
         self.stacked_widget.addWidget(self.page_status)
         self.stacked_widget.addWidget(self.page_control)
-        for page in [self.page_settings]:
-            page.setAlignment(Qt.AlignmentFlag.AlignCenter)
-            page.setStyleSheet("color: white; font-size: 48px; font-weight: bold;")
-            self.stacked_widget.addWidget(page)
+        self.stacked_widget.addWidget(self.page_settings)
 
         # 底部按钮区
         bottom_layout = QHBoxLayout()
diff --git a/pages/setting_page.py b/pages/setting_page.py
new file mode 100644
index 0000000..5533f37
--- /dev/null
+++ b/pages/setting_page.py
@@ -0,0 +1,895 @@
+from PyQt6.QtWidgets import (
+    QWidget,
+    QVBoxLayout,
+    QLabel,
+    QHBoxLayout,
+    QListWidget,
+    QStackedWidget,
+    QPushButton,
+    QLineEdit,
+    QMessageBox,
+    QFormLayout,
+    QComboBox,
+    QListWidgetItem,
+    QFrame,
+    QScrollArea,
+    QAbstractItemView,
+)
+from PyQt6.QtCore import Qt, QEvent, QObject, QThread, QTimer, pyqtSignal
+from PyQt6.QtGui import QMouseEvent
+import codecs
+from utils.wifi_manager import WifiManager
+from utils.floating_keyboard import FloatingKeyboard
+
+
+class DragScrollArea(QScrollArea):
+    """支持鼠标/触屏点击拖拽滑动的滚动区域"""
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self._press_pos = None
+        self._start_value = 0
+        self._dragging = False
+
+    def viewportEvent(self, event):
+        etype = event.type()
+
+        if etype == QEvent.Type.MouseButtonPress:
+            if event.button() == Qt.MouseButton.LeftButton:
+                self._press_pos = event.position().toPoint()
+                self._start_value = self.verticalScrollBar().value()
+                self._dragging = False
+
+        elif etype == QEvent.Type.MouseMove:
+            if self._press_pos and event.buttons() & Qt.MouseButton.LeftButton:
+                pos = event.position().toPoint()
+                delta = pos - self._press_pos
+                # 移动超过15px阈值才触发拖拽，避免误触
+                if self._dragging or delta.manhattanLength() > 15:
+                    self._dragging = True
+                    new_val = self._start_value - delta.y()
+                    # 限制在有效范围内
+                    self.verticalScrollBar().setValue(
+                        max(0, min(new_val, self.verticalScrollBar().maximum()))
+                    )
+                    return True  # 拖拽中拦截事件，不传递给子控件
+
+        elif etype == QEvent.Type.MouseButtonRelease:
+            if event.button() == Qt.MouseButton.LeftButton and self._press_pos is not None:
+                was_dragging = self._dragging
+                self._press_pos = None
+                self._dragging = False
+                if was_dragging:
+                    return True  # 拖拽结束，拦截释放事件，避免触发子控件点击
+
+        return super().viewportEvent(event)
+
+
+class DraggableListWidget(QListWidget):
+    """支持鼠标/触屏点击拖拽滑动的列表控件"""
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.setVerticalScrollMode(QAbstractItemView.ScrollMode.ScrollPerPixel)
+        self._press_pos = None
+        self._start_value = 0
+        self._dragging = False
+
+    def viewportEvent(self, event):
+        etype = event.type()
+
+        if etype == QEvent.Type.MouseButtonPress:
+            if event.button() == Qt.MouseButton.LeftButton:
+                self._press_pos = event.position().toPoint()
+                self._start_value = self.verticalScrollBar().value()
+                self._dragging = False
+
+        elif etype == QEvent.Type.MouseMove:
+            if self._press_pos and event.buttons() & Qt.MouseButton.LeftButton:
+                pos = event.position().toPoint()
+                delta = pos - self._press_pos
+                # 移动超过15px阈值才触发拖拽，避免误触
+                if self._dragging or delta.manhattanLength() > 15:
+                    self._dragging = True
+                    new_val = self._start_value - int(delta.y())
+                    # 限制在有效范围内
+                    self.verticalScrollBar().setValue(
+                        max(0, min(new_val, self.verticalScrollBar().maximum()))
+                    )
+                    return True  # 拖拽中拦截事件，不传递给子控件
+
+        elif etype == QEvent.Type.MouseButtonRelease:
+            if event.button() == Qt.MouseButton.LeftButton and self._press_pos is not None:
+                was_dragging = self._dragging
+                self._press_pos = None
+                self._dragging = False
+                if was_dragging:
+                    return True  # 拖拽结束，拦截释放事件，避免触发子控件点击
+
+        return super().viewportEvent(event)
+
+
+class WifiScanWorker(QObject):
+    """在后台线程中执行WiFi扫描，避免阻塞UI"""
+    scan_finished = pyqtSignal(list)
+    scan_error = pyqtSignal(str)
+
+    def __init__(self, wifi_manager):
+        super().__init__()
+        self.wifi_manager = wifi_manager
+
+    def run(self):
+        try:
+            networks = self.wifi_manager.scan_networks()
+            self.scan_finished.emit(networks)
+        except Exception as e:
+            self.scan_error.emit(str(e))
+
+
+class SettingPage(QWidget):
+    def __init__(self, api_client, parent=None):
+        super().__init__(parent)
+        self.api_client = api_client
+        self.wifi_manager = WifiManager()
+        self._saved_networks_cache = []  # 缓存上次的已保存网络列表
+        # 让页面自身能接收焦点，用于点击扫描按钮后转移焦点防止跳动
+        self.setFocusPolicy(Qt.FocusPolicy.ClickFocus)
+
+        # 创建悬浮键盘
+        self._keyboard = FloatingKeyboard()
+        self._keyboard_attached = False
+
+        self.init_ui()
+        self._start_status_timer()
+
+    def _attach_keyboard(self, widget):
+        """将悬浮键盘绑定到指定输入框并显示"""
+        self._keyboard.attach(widget)
+        self._keyboard.show_below(widget)
+        self._keyboard_attached = True
+
+    def _dismiss_keyboard(self):
+        """关闭悬浮键盘"""
+        self._keyboard.hide()
+        self._keyboard.detach()
+        self._keyboard_attached = False
+
+    def _on_input_focus_in(self, widget):
+        """输入框获得焦点时的处理"""
+        self._attach_keyboard(widget)
+
+    def eventFilter(self, obj, event):
+        if event.type() == QEvent.Type.FocusIn:
+            if obj in (self.ssid_input, self.identity_input, self.password_input):
+                self._attach_keyboard(obj)
+            # 如果不是输入框获得焦点且键盘正显示，则关闭键盘
+            elif self._keyboard_attached and not isinstance(obj, (QLineEdit, QComboBox, QPushButton)):
+                self._dismiss_keyboard()
+        elif event.type() == QEvent.Type.FocusOut:
+            # 延迟检查：如果焦点真的离开了所有输入框，就关闭键盘
+            if obj in (self.ssid_input, self.identity_input, self.password_input):
+                QTimer.singleShot(100, self._check_dismiss_keyboard)
+        return super().eventFilter(obj, event)
+
+    def _check_dismiss_keyboard(self):
+        """检查当前焦点是否还在任何输入控件上，不在则关闭键盘"""
+        w = self.focusWidget()
+        if w not in (self.ssid_input, self.identity_input, self.password_input, self.auth_combo):
+            self._dismiss_keyboard()
+
+    @staticmethod
+    def _styled_message(icon, parent, title, text, buttons=QMessageBox.StandardButton.Ok):
+        """显示与整体风格一致的暗色主题消息框"""
+        msg = QMessageBox(parent)
+        msg.setIcon(icon)
+        msg.setWindowTitle(title)
+        msg.setText(text)
+        msg.setStandardButtons(buttons)
+        msg.setStyleSheet("""
+            QMessageBox {
+                background-color: #3f3f3f;
+                color: #f2f2f2;
+                border: 2px solid #646464;
+                border-radius: 12px;
+                padding: 20px;
+            }
+            QMessageBox QLabel {
+                color: #f2f2f2;
+                font-size: 20px;
+                padding: 10px;
+            }
+            QMessageBox QPushButton {
+                min-width: 130px;
+                min-height: 50px;
+                font-size: 20px;
+                font-weight: 600;
+                color: #f8f8f8;
+                background-color: #555555;
+                border: 2px solid #888888;
+                border-radius: 10px;
+                padding: 8px 24px;
+            }
+            QMessageBox QPushButton:hover {
+                background-color: #636363;
+                border-color: #aaaaaa;
+            }
+            QMessageBox QPushButton:pressed {
+                background-color: #3d3d3d;
+                border-color: #5a9fcf;
+            }
+        """)
+        return msg.exec()
+
+    def init_ui(self):
+        layout = QHBoxLayout(self)
+        layout.setContentsMargins(14, 14, 14, 14)
+        layout.setSpacing(14)
+
+        left_panel = QFrame()
+        left_panel.setStyleSheet("background-color: #3f3f3f; border-radius: 10px;")
+        left_layout = QVBoxLayout(left_panel)
+        left_layout.setContentsMargins(10, 10, 10, 10)
+
+        title = QLabel("系统设置")
+        title.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        title.setStyleSheet("color: #efefef; font-size: 24px; font-weight: 600;")
+        left_layout.addWidget(title)
+
+        # 左侧设置项列表（启用平滑/按像素滚动，增大触摸目标）
+        self.item_list = QListWidget()
+        self.item_list.setVerticalScrollMode(QAbstractItemView.ScrollMode.ScrollPerPixel)
+        self.item_list.setSpacing(6)
+        self.item_list.setUniformItemSizes(False)
+        self.item_list.setStyleSheet(
+            """
+            QListWidget {
+                background-color: #4a4a4a;
+                color: #f2f2f2;
+                border: 1px solid #646464;
+                border-radius: 8px;
+                font-size: 22px;
+                outline: none;
+            }
+            QListWidget::item {
+                height: 56px;
+                padding-left: 10px;
+                border-radius: 6px;
+            }
+            QListWidget::item:selected {
+                background-color: #2f6f91;
+                color: white;
+            }
+            """
+        )
+        self.item_list.addItem("WiFi设置")
+        self.item_list.addItem("其它设置（待定）")
+        self.item_list.currentRowChanged.connect(self.display_setting)
+        left_layout.addWidget(self.item_list)
+        layout.addWidget(left_panel, 1)
+
+        # 右侧设置参数区域（放入可滚动区域，便于触屏上下滑动）
+        self.settings_stack = QStackedWidget()
+        self.settings_stack.setStyleSheet("background-color: #444444; border-radius: 10px;")
+        self.init_wifi_settings()
+        self.init_todo_settings()
+
+        right_scroll = DragScrollArea()
+        right_scroll.setWidgetResizable(True)
+        right_scroll.setFrameShape(QFrame.Shape.NoFrame)
+        # 将堆叠面板放入 scroll area
+        right_scroll.setWidget(self.settings_stack)
+        right_scroll.setVerticalScrollBarPolicy(Qt.ScrollBarPolicy.ScrollBarAsNeeded)
+        right_scroll.setHorizontalScrollBarPolicy(Qt.ScrollBarPolicy.ScrollBarAlwaysOff)
+        layout.addWidget(right_scroll, 3)
+
+        self.item_list.setCurrentRow(0)
+
+    def init_wifi_settings(self):
+        wifi_widget = QWidget()
+        wifi_widget.setStyleSheet(
+            """
+            /* ------ 通用标签 ------ */
+            QLabel {
+                color: #e8e8e8;
+            }
+
+            /* ------ 大按钮：清晰边框、足够高度 ------ */
+            QPushButton {
+                min-height: 50px;
+                font-size: 20px;
+                font-weight: 600;
+                color: #f8f8f8;
+                background-color: #555555;
+                border: 2px solid #888888;
+                border-radius: 10px;
+                padding: 10px 24px;
+            }
+            QPushButton:hover {
+                background-color: #636363;
+                border-color: #aaaaaa;
+            }
+            QPushButton:pressed {
+                background-color: #3d3d3d;
+                border-color: #5a9fcf;
+            }
+            QPushButton:disabled {
+                color: #808080;
+                background-color: #404040;
+                border-color: #555555;
+            }
+
+            /* ------ 输入框 ------ */
+            QLineEdit {
+                min-height: 44px;
+                font-size: 18px;
+                color: #f2f2f2;
+                background-color: #3a3a3a;
+                border: 2px solid #707070;
+                border-radius: 8px;
+                padding: 4px 12px;
+            }
+            QLineEdit:focus {
+                border-color: #5a9fcf;
+            }
+
+            /* ------ 下拉框 ------ */
+            QComboBox {
+                min-height: 44px;
+                font-size: 18px;
+                color: #f2f2f2;
+                background-color: #3a3a3a;
+                border: 2px solid #707070;
+                border-radius: 8px;
+                padding: 4px 12px;
+            }
+            QComboBox:hover {
+                border-color: #aaaaaa;
+            }
+            QComboBox QAbstractItemView {
+                background-color: #3a3a3a;
+                color: #f2f2f2;
+                selection-background-color: #2f6f91;
+                border: 1px solid #707070;
+                font-size: 18px;
+            }
+
+            /* ------ 列表控件 ------ */
+            QListWidget {
+                min-height: 300px;
+                max-width: 500%;
+                background-color: #3a3a3a;
+                color: #f2f2f2;
+                border: 2px solid #707070;
+                border-radius: 8px;
+                font-size: 18px;
+                outline: none;
+            }
+            QListWidget::item {
+                min-height: 40px;
+                padding: 4px 10px;
+                border-radius: 4px;
+            }
+            QListWidget::item:selected {
+                background-color: #2f6f91;
+                color: #ffffff;
+            }
+            QListWidget::item:selected QLabel {
+                color: #ffffff;
+            }
+            QListWidget::item:hover {
+                background-color: #505050;
+            }
+            """
+        )
+
+        wifi_layout = QVBoxLayout(wifi_widget)
+        wifi_layout.setContentsMargins(16, 16, 16, 16)
+        wifi_layout.setSpacing(14)
+
+        wifi_title = QLabel("WiFi设置")
+        wifi_title.setStyleSheet("color: #f2f2f2; font-size: 26px; font-weight: 700;")
+        wifi_layout.addWidget(wifi_title)
+
+        self.current_status_label = QLabel("当前连接：未知")
+        self.current_status_label.setStyleSheet("color: #cccccc; font-size: 19px; font-weight: 500;")
+        wifi_layout.addWidget(self.current_status_label)
+
+        # 显示保存的WiFi列表
+        saved_title = QLabel("已保存网络")
+        saved_title.setStyleSheet("color: #dcdcdc; font-size: 22px; font-weight: 600;")
+        wifi_layout.addWidget(saved_title)
+
+        self.saved_wifi_list = DraggableListWidget()
+        wifi_layout.addWidget(self.saved_wifi_list)
+
+        saved_buttons_layout = QHBoxLayout()
+        saved_buttons_layout.setSpacing(12)
+        connect_saved_button = QPushButton("连接到此网络")
+        connect_saved_button.clicked.connect(self.connect_to_saved_wifi)
+        saved_buttons_layout.addWidget(connect_saved_button)
+
+        remove_saved_button = QPushButton("删除选中")
+        remove_saved_button.clicked.connect(self.remove_selected_saved_wifi)
+        saved_buttons_layout.addWidget(remove_saved_button)
+        wifi_layout.addLayout(saved_buttons_layout)
+
+        nearby_title = QLabel("附近网络")
+        nearby_title.setStyleSheet("color: #dcdcdc; font-size: 22px; font-weight: 600;")
+        wifi_layout.addWidget(nearby_title)
+
+        self.nearby_wifi_list = DraggableListWidget()
+        self.nearby_wifi_list.itemClicked.connect(self.fill_ssid_from_scan)
+        wifi_layout.addWidget(self.nearby_wifi_list)
+
+        self.scan_button = QPushButton("扫描网络")
+        self.scan_button.clicked.connect(self.scan_nearby_wifi)
+        wifi_layout.addWidget(self.scan_button)
+
+        # 连接新WiFi
+        connect_title = QLabel("连接新网络")
+        connect_title.setStyleSheet("color: #dcdcdc; font-size: 22px; font-weight: 600;")
+        wifi_layout.addWidget(connect_title)
+
+        form = QFormLayout()
+        form.setLabelAlignment(Qt.AlignmentFlag.AlignRight)
+        form.setFormAlignment(Qt.AlignmentFlag.AlignLeft)
+        form.setHorizontalSpacing(16)
+        form.setVerticalSpacing(12)
+
+        # 表单标签使用浅色
+        ssid_label = QLabel("SSID")
+        ssid_label.setStyleSheet("color: #d0d0d0; font-size: 19px; font-weight: 500;")
+        self.ssid_input = QLineEdit()
+        self.ssid_input.setStyleSheet("max-width: 400%;")
+        self.ssid_input.setPlaceholderText("输入WiFi名称")
+        self.ssid_input.installEventFilter(self)
+        self.ssid_input.textChanged.connect(self._on_ssid_text_changed)
+        form.addRow(ssid_label, self.ssid_input)
+
+        auth_label = QLabel("认证方式")
+        auth_label.setStyleSheet("color: #d0d0d0; font-size: 19px; font-weight: 500;")
+        self.auth_combo = QComboBox()
+        self.auth_combo.setStyleSheet(
+            """
+            QComboBox {
+                max-width: 400%;
+                font-size: 22px;
+                min-height: 44px;
+            }
+            """
+        )
+        # 直接设置下拉列表视图的样式，避免被父级样式覆盖
+        self.auth_combo.view().setStyleSheet(
+            """
+            QListView {
+                font-size: 24px;
+                min-height: 50px;
+                padding: 6px 12px;
+            }
+            QListView::item {
+                min-height: 50px;
+                padding: 8px 12px;
+            }
+            """
+        )
+        self.auth_combo.addItem("开放网络（无密码）", "open")
+        self.auth_combo.addItem("WPA/WPA2-PSK", "psk")
+        self.auth_combo.addItem("WPA-EAP (PEAP/MSCHAPv2)", "eap")
+        self.auth_combo.currentIndexChanged.connect(self.update_auth_fields)
+        form.addRow(auth_label, self.auth_combo)
+
+        identity_label = QLabel("身份")
+        identity_label.setStyleSheet("color: #d0d0d0; font-size: 19px; font-weight: 500;")
+        self.identity_label = identity_label
+        self.identity_input = QLineEdit()
+        self.identity_input.setStyleSheet("max-width: 400%;")
+        self.identity_input.setPlaceholderText("企业网络用户名/身份")
+        self.identity_input.installEventFilter(self)
+        form.addRow(identity_label, self.identity_input)
+
+        password_label = QLabel("密码")
+        password_label.setStyleSheet("color: #d0d0d0; font-size: 19px; font-weight: 500;")
+        self.password_label = password_label
+        self.password_input = QLineEdit()
+        self.password_input.setStyleSheet("max-width: 400%;")
+        self.password_input.setPlaceholderText("输入WiFi密码")
+        self.password_input.installEventFilter(self)
+        self.password_input.setEchoMode(QLineEdit.EchoMode.Password)
+        form.addRow(password_label, self.password_input)
+
+        wifi_layout.addLayout(form)
+
+        # 连接按钮使用醒目的强调色
+        connect_button = QPushButton("连接")
+        connect_button.setStyleSheet(
+            """
+            QPushButton {
+                min-height: 52px;
+                font-size: 22px;
+                font-weight: 700;
+                color: #ffffff;
+                background-color: #2f6f91;
+                border: 2px solid #4a9fc8;
+                border-radius: 10px;
+                padding: 10px 24px;
+            }
+            QPushButton:hover {
+                background-color: #3a85b3;
+                border-color: #6fb8dd;
+            }
+            QPushButton:pressed {
+                background-color: #1e4d66;
+                border-color: #2f6f91;
+            }
+            """
+        )
+        connect_button.clicked.connect(self.connect_to_wifi)
+        wifi_layout.addWidget(connect_button)
+
+        wifi_layout.addStretch()
+        self.settings_stack.addWidget(wifi_widget)
+        self.update_auth_fields()
+        self.refresh_saved_wifi()
+        self.refresh_current_status()
+
+    def init_todo_settings(self):
+        todo_widget = QWidget()
+        todo_widget.setStyleSheet(
+            """
+            QLabel {
+                color: #e4e4e4;
+            }
+            QPushButton {
+                min-height: 50px;
+                font-size: 20px;
+                font-weight: 600;
+                color: #f8f8f8;
+                background-color: #555555;
+                border: 2px solid #888888;
+                border-radius: 10px;
+                padding: 10px 24px;
+            }
+            QPushButton:hover {
+                background-color: #636363;
+                border-color: #aaaaaa;
+            }
+            """
+        )
+        todo_layout = QVBoxLayout(todo_widget)
+        todo_layout.setContentsMargins(20, 20, 20, 20)
+
+        label = QLabel("其它配置项待定")
+        label.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        label.setStyleSheet("color: #cecece; font-size: 26px; font-weight: 600;")
+        todo_layout.addWidget(label)
+
+        hint = QLabel("更多设置项将在后续版本中添加")
+        hint.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        hint.setStyleSheet("color: #909090; font-size: 18px; margin-top: 12px;")
+        todo_layout.addWidget(hint)
+
+        todo_layout.addStretch()
+
+        self.settings_stack.addWidget(todo_widget)
+
+    def refresh_saved_wifi(self):
+        try:
+            saved_networks = self.wifi_manager.list_saved_networks()
+        except Exception as e:
+            self._styled_message(QMessageBox.Icon.Critical, self, "错误", f"无法加载保存的WiFi: {str(e)}")
+            return
+
+        # 比较与上次缓存的网络列表是否有变化
+        cache_key = [(n.get("network_id"), n.get("ssid"), n.get("flags")) for n in saved_networks]
+        if cache_key == self._saved_networks_cache:
+            return  # 无变化，不清空列表
+        self._saved_networks_cache = cache_key
+
+        # 列表有变化时才真正刷新
+        current_item = self.saved_wifi_list.currentItem()
+        current_net_id = current_item.data(Qt.ItemDataRole.UserRole).get("network_id") if current_item else None
+
+        self.saved_wifi_list.clear()
+        for network in saved_networks:
+            item_text = f"[{network.get('network_id', '-')}] {network.get('ssid', '<hidden>')} {network.get('flags', '')}"
+            item = QListWidgetItem(item_text)
+            item.setData(Qt.ItemDataRole.UserRole, network)
+            self.saved_wifi_list.addItem(item)
+            # 恢复选中
+            if current_net_id is not None and network.get("network_id") == current_net_id:
+                self.saved_wifi_list.setCurrentItem(item)
+
+    def scan_nearby_wifi(self):
+        """在后台线程中扫描WiFi，防止界面卡死"""
+        self.nearby_wifi_list.clear()
+        # 把焦点交给页面自身，防止跳到输入框导致画面跳动
+        self.setFocus()
+        self.scan_button.setEnabled(False)
+        self.scan_button.setText("扫描中……")
+
+        self._scan_thread = QThread()
+        self._scan_worker = WifiScanWorker(self.wifi_manager)
+        self._scan_worker.moveToThread(self._scan_thread)
+        self._scan_thread.started.connect(self._scan_worker.run)
+        self._scan_worker.scan_finished.connect(self._on_scan_finished)
+        self._scan_worker.scan_error.connect(self._on_scan_error)
+        # 清理线程资源
+        self._scan_worker.scan_finished.connect(self._scan_thread.quit)
+        self._scan_worker.scan_error.connect(self._scan_thread.quit)
+        self._scan_worker.scan_finished.connect(self._scan_worker.deleteLater)
+        self._scan_worker.scan_error.connect(self._scan_worker.deleteLater)
+        self._scan_thread.finished.connect(self._scan_thread.deleteLater)
+        self._scan_thread.start()
+
+    def _on_scan_finished(self, networks):
+        """扫描完成后的UI更新（主线程中执行）"""
+        self.scan_button.setEnabled(True)
+        self.scan_button.setText("扫描网络")
+
+        processed = self._deduplicate_networks(networks)
+        if not processed:
+            self._styled_message(QMessageBox.Icon.Information, self, "提示", "未扫描到可用网络")
+            return
+
+        for network in processed:
+            ssid = network.get("ssid", "")
+            if not ssid:
+                continue
+            decoded_ssid = self._decode_ssid(ssid)
+            signal = network.get("signal_level", "")
+
+            # 自定义列表项：SSID靠左，信号强度靠右
+            item_widget = QWidget()
+            item_widget.setAttribute(Qt.WidgetAttribute.WA_TranslucentBackground)
+            # 为了比较好看的列表项目，下面的不要删
+            item_widget.setStyleSheet("""
+            QWidget {
+                min-height: 40px;
+                padding: 4px 10px;
+                border-radius: 4px;
+            }
+            QWidget:selected {
+                background-color: #2f6f91;
+                color: #ffffff;
+            }
+            QWidget:selected QLabel {
+                color: #ffffff;
+            }
+            QWidget:hover {
+                background-color: #505050;
+            }
+            """)
+            item_layout = QHBoxLayout(item_widget)
+            item_layout.setContentsMargins(8, 2, 12, 2)
+
+            ssid_label = QLabel(decoded_ssid)
+            ssid_label.setStyleSheet("background: transparent; color: #f2f2f2; font-size: 18px;")
+            signal_label = QLabel(f"{signal} dBm" if signal else "")
+            signal_label.setStyleSheet("background: transparent; color: #aaaaaa; font-size: 16px;")
+
+            item_layout.addWidget(ssid_label)
+            item_layout.addStretch()
+            item_layout.addWidget(signal_label)
+
+            item = QListWidgetItem()
+            item.setData(Qt.ItemDataRole.UserRole, network)
+            item.setSizeHint(item_widget.sizeHint())
+            self.nearby_wifi_list.addItem(item)
+            self.nearby_wifi_list.setItemWidget(item, item_widget)
+
+    def _on_scan_error(self, error_msg):
+        """扫描出错后的UI恢复（主线程中执行）"""
+        self.scan_button.setEnabled(True)
+        self.scan_button.setText("扫描网络")
+        self._styled_message(QMessageBox.Icon.Critical, self, "错误", f"扫描网络失败: {error_msg}")
+
+    def _on_ssid_text_changed(self, text):
+        """SSID输入框文本变化时，如果清空则重置为开放网络"""
+        if not text.strip():
+            self.auth_combo.blockSignals(True)
+            self.auth_combo.setCurrentIndex(0)
+            self.auth_combo.blockSignals(False)
+            self.update_auth_fields()
+
+    @staticmethod
+    def _decode_ssid(ssid):
+        """尝试解码非英文WiFi名称（处理 \\xe9\\x83\\xbd 等转义序列）"""
+        if not ssid:
+            return ssid
+        # 尝试 unicode_escape 解码（处理 \x 转义序列，返回 bytes）
+        try:
+            decoded = ssid.encode('latin-1').decode('unicode-escape').encode('latin-1').decode()
+            if decoded != ssid:
+                return decoded
+        except Exception:
+            pass
+        # 尝试 latin-1 → UTF-8 双重转换
+        try:
+            decoded = bytes(ssid, encoding='utf-8').decode('utf-8')
+            if decoded != ssid:
+                return decoded
+        except Exception:
+            pass
+        return ssid
+
+    @staticmethod
+    def _deduplicate_networks(networks):
+        """去重同名网络，每个SSID只保留信号最强的一个"""
+        best = {}
+        for net in networks:
+            ssid = net.get("ssid", "")
+            if not ssid:
+                continue
+            raw = net.get("signal_level", -100)
+            try:
+                signal = int(raw)
+            except (ValueError, TypeError):
+                signal = -100
+            if ssid not in best or signal > best[ssid].get("_signal_int", -100):
+                net["_signal_int"] = signal
+                best[ssid] = net
+        return list(best.values())
+
+    @staticmethod
+    def _detect_auth_mode(network):
+        """根据 wpa_supplicant 返回的标准 flags 判断认证方式"""
+        flags = network.get("flags", "").strip()
+
+        # 无加密标记 → 开放网络
+        if not flags or flags in ("", "[ESS]", "[NONE]", "NONE"):
+            return "open"
+
+        # 检查是否含企业级认证标记
+        eap_keywords = (
+            "WPA2-EAP", "WPA-EAP", "WPA3-EAP",
+            "EAP", "SUITE-B",
+            "802.1X", "IEEE8021X", "ENTERPRISE",
+            "FT/EAP",
+        )
+        if any(kw in flags.upper() for kw in eap_keywords):
+            return "eap"
+
+        # 检查是否含 PSK 类标记（个人级加密）
+        psk_keywords = (
+            "PSK", "SAE", "WPA2", "WPA3", "WPA",
+            "CCMP", "TKIP",
+        )
+        if any(kw in flags.upper() for kw in psk_keywords):
+            return "psk"
+
+        # 兜底：有标记但无法识别，默认 psk
+        return "psk"
+
+    def fill_ssid_from_scan(self, item):
+        network = item.data(Qt.ItemDataRole.UserRole) or {}
+        ssid = network.get("ssid", "")
+        if ssid:
+            decoded = self._decode_ssid(ssid)
+            self.ssid_input.setText(decoded)
+        # 根据网络标志自动选择认证方式
+        auth_mode = self._detect_auth_mode(network)
+        index = self.auth_combo.findData(auth_mode)
+        if index >= 0:
+            self.auth_combo.blockSignals(True)
+            self.auth_combo.setCurrentIndex(index)
+            self.auth_combo.blockSignals(False)
+            self.update_auth_fields()
+
+    def update_auth_fields(self):
+        auth_mode = self.auth_combo.currentData()
+        if auth_mode == "open":
+            self.identity_label.setVisible(False)
+            self.identity_input.setVisible(False)
+            self.password_label.setVisible(False)
+            self.password_input.setVisible(False)
+        elif auth_mode == "psk":
+            self.identity_label.setVisible(False)
+            self.identity_input.setVisible(False)
+            self.password_label.setVisible(True)
+            self.password_input.setVisible(True)
+        else:
+            self.identity_label.setVisible(True)
+            self.identity_input.setVisible(True)
+            self.password_label.setVisible(True)
+            self.password_input.setVisible(True)
+
+    def refresh_current_status(self):
+        try:
+            status = self.wifi_manager.get_current_status()
+            ssid = status.get("ssid", "未连接")
+            ip_addr = status.get("ip_address", "-")
+            state = status.get("wpa_state", "UNKNOWN")
+            self.current_status_label.setText(f"当前连接：{ssid} | IP: {ip_addr} | 状态: {state}")
+        except Exception:
+            self.current_status_label.setText("当前连接：未知")
+
+    def _start_status_timer(self):
+        """启动定时器，每秒刷新已保存网络列表和当前连接状态"""
+        self._status_timer = QTimer(self)
+        self._status_timer.timeout.connect(self._on_status_timer_tick)
+        self._status_timer.start(1000)
+
+    def _on_status_timer_tick(self):
+        self.refresh_saved_wifi()
+        self.refresh_current_status()
+
+    def connect_to_saved_wifi(self):
+        """连接已保存列表中选中的网络"""
+        item = self.saved_wifi_list.currentItem()
+        if item is None:
+            self._styled_message(QMessageBox.Icon.Warning, self, "提示", "请先选择一个已保存网络")
+            return
+        network = item.data(Qt.ItemDataRole.UserRole) or {}
+        network_id = network.get("network_id")
+        ssid = network.get("ssid", "")
+        if network_id is None:
+            self._styled_message(QMessageBox.Icon.Warning, self, "提示", "选中网络无效")
+            return
+        try:
+            ok = self.wifi_manager.connect_network_id(network_id)
+            if not ok:
+                self._styled_message(QMessageBox.Icon.Critical, self, "错误", "连接请求下发失败")
+                return
+            self._styled_message(QMessageBox.Icon.Information, self, "成功", f"已发起连接: {ssid}")
+        except Exception as e:
+            self._styled_message(QMessageBox.Icon.Critical, self, "错误", f"连接失败: {str(e)}")
+
+    def remove_selected_saved_wifi(self):
+        item = self.saved_wifi_list.currentItem()
+        if item is None:
+            self._styled_message(QMessageBox.Icon.Warning, self, "提示", "请先选择一个已保存网络")
+            return
+        network = item.data(Qt.ItemDataRole.UserRole) or {}
+        network_id = network.get("network_id")
+        ssid = network.get("ssid", "")
+        if network_id is None:
+            self._styled_message(QMessageBox.Icon.Warning, self, "提示", "选中网络无效，无法删除")
+            return
+        try:
+            self.wifi_manager.remove_network(network_id)
+            self._styled_message(QMessageBox.Icon.Information, self, "成功", f"已删除网络: {ssid}")
+            self.refresh_saved_wifi()
+            self.refresh_current_status()
+        except Exception as e:
+            self._styled_message(QMessageBox.Icon.Critical, self, "错误", f"删除失败: {str(e)}")
+
+    def connect_to_wifi(self):
+        ssid = self.ssid_input.text().strip()
+        password = self.password_input.text()
+        identity = self.identity_input.text().strip()
+        auth_mode = self.auth_combo.currentData()
+
+        if not ssid:
+            self._styled_message(QMessageBox.Icon.Warning, self, "警告", "WiFi名称不能为空！")
+            return
+
+        if auth_mode == "psk" and not password:
+            self._styled_message(QMessageBox.Icon.Warning, self, "警告", "WPA/WPA2 认证需要密码")
+            return
+
+        if auth_mode == "eap" and (not identity or not password):
+            self._styled_message(QMessageBox.Icon.Warning, self, "警告", "WPA-EAP 认证需要身份和密码")
+            return
+
+        try:
+            if auth_mode == "open":
+                ok = self.wifi_manager.connect_wifi(ssid, None)
+            elif auth_mode == "psk":
+                ok = self.wifi_manager.connect_wifi(ssid, password)
+            else:
+                ok = self.wifi_manager.connect_eap(ssid, identity, password)
+
+            if not ok:
+                self._styled_message(QMessageBox.Icon.Critical, self, "错误", "连接请求下发失败，请检查系统日志")
+                return
+
+            self._styled_message(QMessageBox.Icon.Information, self, "成功", f"已发起连接: {ssid}")
+            self.refresh_saved_wifi()
+            self.refresh_current_status()
+        except Exception as e:
+            self._styled_message(QMessageBox.Icon.Critical, self, "错误", f"连接WiFi失败: {str(e)}")
+
+    def display_setting(self, index):
+        if index < 0:
+            return
+        self.settings_stack.setCurrentIndex(index)
\ No newline at end of file
diff --git a/utils/aio_print_api.py b/utils/aio_print_api.py
index b429699..9af8be6 100644
--- a/utils/aio_print_api.py
+++ b/utils/aio_print_api.py
@@ -19,13 +19,59 @@ class AIOPrrintSystemAPI:
         pass
 
     def get_status(self):
-        url = f"{self.api_url}/status"
-        try:
-            r = requests.get(url, headers=self.headers, timeout=5)
-            r.raise_for_status()
-            return r.json()
-        except:
-            return {"status": {}, "job": {}}
+
+        test_data = {
+            'job': {
+                'job': {
+                    'estimatedPrintTime': 1234,
+                    'filament': {'length': 765, 'volume': 24356}, 
+                    'file': {'display_name': 'Test File','date': None, 'name': '20260414135441_42bff5215c6148b8b5f4d8c4f15d5ddc.gcode', 'origin': 'local', 'path': None, 'size': 1468987}, 
+                    'lastPrintTime': None, 
+                    'user': None
+                }, 
+                'progress': {
+                    'completion': 74.8, 
+                    'filepos': 1234, 
+                    'printTime': 1235, 
+                    'printTimeLeft': 6353, 
+                    'printTimeLeftOrigin': 5366
+                }, 
+                'state': 'Operational'
+            }, 
+            'status': {
+                'sd': {'ready': False}, 
+                'state': {
+                    'error': '', 
+                    'flags': {
+                        'cancelling': False, 
+                        'closedOrError': False, 
+                        'error': False, 
+                        'finishing': False, 
+                        'operational': True, 
+                        'paused': False, 
+                        'pausing': False, 
+                        'printing': False, 
+                        'ready': True, 
+                        'resuming': False, 
+                        'sdReady': False
+                    }, 
+                    'text': 'Operational test'
+                }, 
+                'temperature': {
+                    'bed': {'actual': 85, 'offset': 0, 'target': 56}, 
+                    'tool0': {'actual': 0.0, 'offset': 0, 'target': 340}
+                }
+            }
+        }
+        return test_data
+
+        # url = f"{self.api_url}/status"
+        # try:
+        #     r = requests.get(url, headers=self.headers, timeout=5)
+        #     r.raise_for_status()
+        #     return r.json()
+        # except:
+        #     return {"status": {}, "job": {}}
 
     def pause_print(self):
         return self._post_action("pause_print", action="pause")
diff --git a/utils/floating_keyboard.py b/utils/floating_keyboard.py
new file mode 100644
index 0000000..ac3f93d
--- /dev/null
+++ b/utils/floating_keyboard.py
@@ -0,0 +1,423 @@
+"""
+悬浮虚拟键盘
+- 美式 QWERTY 键盘排列（字母 + 数字 + 常用符号）
+- Shift / Caps Lock / 退格 / 空格 / 回车 / 关闭
+- 可拖拽悬浮，自动跟随焦点输入框
+- 暗色主题，大按钮适合触屏
+"""
+
+from PyQt6.QtWidgets import (
+    QWidget, QVBoxLayout, QHBoxLayout, QPushButton,
+    QApplication, QLineEdit, QTextEdit,
+)
+from PyQt6.QtCore import Qt, QEvent, QPoint, pyqtSignal
+from PyQt6.QtGui import QMouseEvent, QTextCursor
+
+
+# ─── 键盘布局定义 ──────────────────────────────────────────────
+
+KEY_ROWS = {
+    "normal": [
+        ["q", "w", "e", "r", "t", "y", "u", "i", "o", "p"],
+        ["a", "s", "d", "f", "g", "h", "j", "k", "l"],
+        ["z", "x", "c", "v", "b", "n", "m"],
+    ],
+    "shift": [
+        ["Q", "W", "E", "R", "T", "Y", "U", "I", "O", "P"],
+        ["A", "S", "D", "F", "G", "H", "J", "K", "L"],
+        ["Z", "X", "C", "V", "B", "N", "M"],
+    ],
+}
+
+NUMBER_ROW = ["1", "2", "3", "4", "5", "6", "7", "8", "9", "0"]
+
+# 符号键：按 Shift 或符号切换时与数字行互换
+SYMBOL_ROW = ["!", "@", "#", "$", "%", "^", "&", "*", "(", ")"]
+
+# 右侧额外符号（放在字母区行末或单独行）
+EXTRA_SYMBOLS = [
+    ["-", "=", "[", "]", "\\", ";", "'", ",", ".", "/"],
+    ["_", "+", "{", "}", "|", ":", "\"", "<", ">", "?"],
+]
+
+KEY_STYLE = """
+QPushButton {
+    min-width: 52px;
+    min-height: 52px;
+    font-size: 22px;
+    font-weight: 600;
+    color: #f2f2f2;
+    background-color: #4a4a4a;
+    border: 2px solid #646464;
+    border-radius: 8px;
+    padding: 4px 4px;
+}
+QPushButton:hover {
+    background-color: #5a5a5a;
+    border-color: #888888;
+}
+QPushButton:pressed {
+    background-color: #2f6f91;
+    border-color: #5a9fcf;
+}
+"""
+
+CTRL_KEY_STYLE = """
+QPushButton {
+    min-width: 72px;
+    min-height: 52px;
+    font-size: 18px;
+    font-weight: 600;
+    color: #f2f2f2;
+    background-color: #555555;
+    border: 2px solid #707070;
+    border-radius: 8px;
+    padding: 4px 8px;
+}
+QPushButton:hover {
+    background-color: #666666;
+    border-color: #909090;
+}
+QPushButton:pressed {
+    background-color: #2f6f91;
+    border-color: #5a9fcf;
+}
+"""
+
+SPACE_STYLE = """
+QPushButton {
+    min-width: 280px;
+    min-height: 52px;
+    font-size: 18px;
+    color: transparent;
+    background-color: #4a4a4a;
+    border: 2px solid #646464;
+    border-radius: 8px;
+}
+QPushButton:hover {
+    background-color: #5a5a5a;
+    border-color: #888888;
+}
+QPushButton:pressed {
+    background-color: #2f6f91;
+    border-color: #5a9fcf;
+}
+"""
+
+ACTIVE_CTRL_STYLE = """
+QPushButton {
+    min-width: 72px;
+    min-height: 52px;
+    font-size: 18px;
+    font-weight: 600;
+    color: #ffffff;
+    background-color: #2f6f91;
+    border: 2px solid #5a9fcf;
+    border-radius: 8px;
+    padding: 4px 8px;
+}
+QPushButton:hover {
+    background-color: #3a85b3;
+    border-color: #6fb8dd;
+}
+"""
+
+
+class FloatingKeyboard(QWidget):
+    """可悬浮拖拽的虚拟键盘，自动跟随焦点输入框"""
+
+    key_pressed = pyqtSignal(str)
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.setWindowFlags(
+            Qt.WindowType.FramelessWindowHint
+            | Qt.WindowType.WindowStaysOnTopHint
+            | Qt.WindowType.Tool
+        )
+        self.setAttribute(Qt.WidgetAttribute.WA_TranslucentBackground)
+        self.setStyleSheet("background: transparent;")
+
+        self._drag_pos = None
+        self._shift_on = False
+        self._caps_on = False
+        self._symbol_mode = False
+
+        self._target_widget = None
+
+        self.init_ui()
+
+    # ── UI 构建 ──────────────────────────────────────────────
+
+    def init_ui(self):
+        outer = QWidget()
+        outer.setStyleSheet(
+            "background-color: #333333; border: 2px solid #555555; border-radius: 12px;"
+        )
+        layout = QVBoxLayout(outer)
+        layout.setContentsMargins(8, 8, 8, 8)
+        layout.setSpacing(4)
+
+        # ── 顶部拖拽条 ──
+        title_bar = QWidget()
+        title_bar.setFixedHeight(28)
+        title_bar.setStyleSheet("background: transparent;")
+        title_bar.mousePressEvent = self._title_mouse_press
+        title_bar.mouseMoveEvent = self._title_mouse_move
+        title_layout = QHBoxLayout(title_bar)
+        title_layout.setContentsMargins(8, 0, 8, 0)
+
+        drag_label = QPushButton("≡ 键盘")
+        drag_label.setStyleSheet(
+            """
+            QPushButton {
+                background: transparent;
+                color: #aaaaaa;
+                font-size: 16px;
+                border: none;
+                text-align: left;
+            }
+            """
+        )
+        title_layout.addWidget(drag_label)
+        title_layout.addStretch()
+
+        close_btn = QPushButton("✕")
+        close_btn.setFixedSize(28, 28)
+        close_btn.setStyleSheet(
+            """
+            QPushButton {
+                background: transparent;
+                color: #aaaaaa;
+                font-size: 18px;
+                border: none;
+                border-radius: 14px;
+            }
+            QPushButton:hover {
+                background-color: #555555;
+                color: #ffffff;
+            }
+            """
+        )
+        close_btn.clicked.connect(self.hide)
+        title_layout.addWidget(close_btn)
+        layout.addWidget(title_bar)
+
+        # ── 数字/符号行 ──
+        self.num_layout = QHBoxLayout()
+        self.num_layout.setSpacing(4)
+        self.num_buttons = []
+        for ch in NUMBER_ROW:
+            btn = self._make_key(ch)
+            self.num_buttons.append(btn)
+            self.num_layout.addWidget(btn)
+        layout.addLayout(self.num_layout)
+
+        # ── 字母行 ──
+        self._letter_buttons = []  # flat list for shift toggle
+        for row_keys in KEY_ROWS["normal"]:
+            row_layout = QHBoxLayout()
+            row_layout.setSpacing(4)
+            row_layout.addStretch()
+            for ch in row_keys:
+                btn = self._make_key(ch)
+                self._letter_buttons.append(btn)
+                row_layout.addWidget(btn)
+            row_layout.addStretch()
+            layout.addLayout(row_layout)
+
+        # ── 额外符号行（- = [ ] 等） ──
+        self.extra_layout = QHBoxLayout()
+        self.extra_layout.setSpacing(4)
+        self.extra_layout.addStretch()
+        self.extra_buttons = []
+        for ch in EXTRA_SYMBOLS[0]:
+            btn = self._make_key(ch)
+            self.extra_buttons.append(btn)
+            self.extra_layout.addWidget(btn)
+        self.extra_layout.addStretch()
+        layout.addLayout(self.extra_layout)
+
+        # ── 功能键行 ──
+        ctrl_layout = QHBoxLayout()
+        ctrl_layout.setSpacing(4)
+
+        self.shift_btn = QPushButton("⇧")
+        self.shift_btn.setStyleSheet(CTRL_KEY_STYLE)
+        self.shift_btn.clicked.connect(self._toggle_shift)
+        ctrl_layout.addWidget(self.shift_btn)
+
+        self.caps_btn = QPushButton("A/a")
+        self.caps_btn.setStyleSheet(CTRL_KEY_STYLE)
+        self.caps_btn.clicked.connect(self._toggle_caps)
+        ctrl_layout.addWidget(self.caps_btn)
+
+        self.sym_btn = QPushButton("?123")
+        self.sym_btn.setStyleSheet(CTRL_KEY_STYLE)
+        self.sym_btn.clicked.connect(self._toggle_symbol)
+        ctrl_layout.addWidget(self.sym_btn)
+
+        backspace_btn = QPushButton("⌫")
+        backspace_btn.setStyleSheet(CTRL_KEY_STYLE)
+        backspace_btn.clicked.connect(lambda: self._send_key("\b"))
+        ctrl_layout.addWidget(backspace_btn)
+
+        ctrl_layout.addStretch()
+
+        enter_btn = QPushButton("↵ 回车")
+        enter_btn.setStyleSheet(CTRL_KEY_STYLE)
+        enter_btn.clicked.connect(lambda: self._send_key("\n"))
+        ctrl_layout.addWidget(enter_btn)
+
+        layout.addLayout(ctrl_layout)
+
+        # ── 空格行 ──
+        space_layout = QHBoxLayout()
+        space_layout.setSpacing(4)
+        space_layout.addStretch()
+
+        self.space_btn = QPushButton("　")  # full-width space as placeholder
+        self.space_btn.setStyleSheet(SPACE_STYLE)
+        self.space_btn.clicked.connect(lambda: self._send_key(" "))
+        space_layout.addWidget(self.space_btn)
+
+        space_layout.addStretch()
+        layout.addLayout(space_layout)
+
+        outer_layout = QVBoxLayout(self)
+        outer_layout.setContentsMargins(0, 0, 0, 0)
+        outer_layout.addWidget(outer)
+
+        self.setFixedWidth(680)
+
+    # ── 按键工厂 ──
+
+    def _make_key(self, text):
+        btn = QPushButton(text)
+        btn.setStyleSheet(KEY_STYLE)
+        btn.clicked.connect(lambda checked, t=text: self._send_key(t))
+        return btn
+
+    # ── 按键发送 ──
+
+    def _send_key(self, text):
+        """发送按键到目标控件"""
+        if text == "\b":
+            self._backspace()
+            return
+        if self._symbol_mode:
+            self._toggle_symbol()
+
+        widget = self._get_target()
+        if widget is None:
+            return
+
+        if isinstance(widget, QLineEdit):
+            cursor = widget.cursorPosition()
+            current = widget.text()
+            new_text = current[:cursor] + text + current[cursor:]
+            widget.setText(new_text)
+            widget.setCursorPosition(cursor + len(text))
+        elif isinstance(widget, QTextEdit):
+            tc = widget.textCursor()
+            tc.insertText(text)
+            widget.setTextCursor(tc)
+
+    def _backspace(self):
+        widget = self._get_target()
+        if widget is None:
+            return
+
+        if isinstance(widget, QLineEdit):
+            cursor = widget.cursorPosition()
+            current = widget.text()
+            if cursor > 0:
+                new_text = current[:cursor - 1] + current[cursor:]
+                widget.setText(new_text)
+                widget.setCursorPosition(cursor - 1)
+        elif isinstance(widget, QTextEdit):
+            tc = widget.textCursor()
+            if not tc.hasSelection():
+                pos = tc.position()
+                if pos > 0:
+                    tc.setPosition(pos - 1)
+                    tc.movePosition(QTextCursor.MoveOperation.Right, QTextCursor.MoveMode.KeepAnchor)
+            tc.removeSelectedText()
+
+    def _get_target(self):
+        """获取当前有效的目标输入控件"""
+        if self._target_widget and self._target_widget.hasFocus():
+            return self._target_widget
+        w = QApplication.focusWidget()
+        if isinstance(w, (QLineEdit, QTextEdit)):
+            return w
+        return None
+
+    # ── Shift / Caps / Symbol 切换 ──
+
+    def _toggle_shift(self):
+        self._shift_on = not self._shift_on
+        self._apply_shift_caps()
+        self.shift_btn.setStyleSheet(ACTIVE_CTRL_STYLE if self._shift_on else CTRL_KEY_STYLE)
+
+    def _toggle_caps(self):
+        self._caps_on = not self._caps_on
+        self._apply_shift_caps()
+        self.caps_btn.setStyleSheet(ACTIVE_CTRL_STYLE if self._caps_on else CTRL_KEY_STYLE)
+
+    def _toggle_symbol(self):
+        self._symbol_mode = not self._symbol_mode
+        if self._symbol_mode:
+            for btn, ch in zip(self.num_buttons, SYMBOL_ROW):
+                btn.setText(ch)
+            for btn, ch in zip(self.extra_buttons, EXTRA_SYMBOLS[1]):
+                btn.setText(ch)
+            self.sym_btn.setStyleSheet(ACTIVE_CTRL_STYLE)
+            self.sym_btn.setText("ABC")
+        else:
+            for btn, ch in zip(self.num_buttons, NUMBER_ROW):
+                btn.setText(ch)
+            for btn, ch in zip(self.extra_buttons, EXTRA_SYMBOLS[0]):
+                btn.setText(ch)
+            self.sym_btn.setStyleSheet(CTRL_KEY_STYLE)
+            self.sym_btn.setText("?123")
+
+    def _apply_shift_caps(self):
+        use_shift = self._shift_on != self._caps_on  # XOR
+        rows = KEY_ROWS["shift"] if use_shift else KEY_ROWS["normal"]
+        flat = [ch for row in rows for ch in row]
+        for btn, ch in zip(self._letter_buttons, flat):
+            btn.setText(ch)
+
+    # ── 窗口拖拽 ──
+
+    def _title_mouse_press(self, event: QMouseEvent):
+        if event.button() == Qt.MouseButton.LeftButton:
+            self._drag_pos = event.globalPosition().toPoint() - self.frameGeometry().topLeft()
+
+    def _title_mouse_move(self, event: QMouseEvent):
+        if event.buttons() & Qt.MouseButton.LeftButton and self._drag_pos is not None:
+            self.move(event.globalPosition().toPoint() - self._drag_pos)
+
+    # ── 目标绑定 ──
+
+    def attach(self, widget):
+        """绑定到一个输入控件，键盘输入将发送到此控件"""
+        self._target_widget = widget
+
+    def detach(self):
+        self._target_widget = None
+
+    def show_at(self, x, y):
+        """在屏幕坐标 (x, y) 处显示"""
+        self.move(x, y)
+        self.show()
+        self.raise_()
+
+    def show_below(self, widget):
+        """显示在指定控件下方"""
+        pos = widget.mapToGlobal(QPoint(0, widget.height() + 4))
+        screen = QApplication.primaryScreen().availableGeometry()
+        if pos.x() + self.width() > screen.width():
+            pos.setX(screen.width() - self.width() - 8)
+        self.show_at(pos.x(), pos.y())
diff --git a/utils/wifi_manager.py b/utils/wifi_manager.py
index b1c7ade..074516d 100644
--- a/utils/wifi_manager.py
+++ b/utils/wifi_manager.py
@@ -89,6 +89,12 @@ class WifiManager:
         self._run_wpa_cli("save_config")
         return True
 
+    def connect_network_id(self, network_id):
+        """通过 network_id 连接已保存的网络"""
+        ret1 = self._run_wpa_cli("select_network", str(network_id))
+        self._run_wpa_cli("save_config")
+        return bool(ret1)
+
     def remove_network(self, network_id):
         """删除某个已保存的网络"""
         self._run_wpa_cli("remove_network", str(network_id))