diff --git a/src/ui/components.py b/src/ui/components.py
new file mode 100644
index 0000000..3746898
--- /dev/null
+++ b/src/ui/components.py
@@ -0,0 +1,492 @@
+# ui/components.py
+from PyQt5.QtWidgets import QWidget, QLabel, QPushButton, QVBoxLayout, QHBoxLayout, QTextEdit, QProgressBar
+from PyQt5.QtCore import Qt
+
+class CustomTitleBar(QWidget):
+    def __init__(self, parent=None):
+        """
+        自定义标题栏
+        - 创建标题栏UI元素
+        - 添加窗口控制按钮
+        """
+        super().__init__(parent)
+        self.parent = parent
+        self.setup_ui()
+    
+    def setup_ui(self):
+        """
+        设置标题栏UI
+        - 初始化所有UI组件
+        - 设置组件属性和样式
+        """
+        # 创建水平布局
+        layout = QHBoxLayout()
+        layout.setContentsMargins(10, 5, 10, 5)
+        layout.setSpacing(10)
+        
+        # 创建标题标签
+        self.title_label = QLabel("MagicWord")
+        self.title_label.setStyleSheet("color: #333333; font-size: 12px; font-weight: normal;")
+        
+        # 创建控制按钮
+        self.minimize_button = QPushButton("—")
+        self.maximize_button = QPushButton("□")
+        self.close_button = QPushButton("×")
+        
+        # 设置按钮样式
+        button_style = """
+            QPushButton {
+                background-color: transparent;
+                border: none;
+                color: #333333;
+                font-size: 12px;
+                font-weight: normal;
+                width: 30px;
+                height: 30px;
+            }
+            QPushButton:hover {
+                background-color: #d0d0d0;
+            }
+        """
+        
+        self.minimize_button.setStyleSheet(button_style)
+        self.maximize_button.setStyleSheet(button_style)
+        self.close_button.setStyleSheet(button_style + "QPushButton:hover { background-color: #ff5555; color: white; }")
+        
+        # 添加组件到布局
+        layout.addWidget(self.title_label)
+        layout.addStretch()
+        layout.addWidget(self.minimize_button)
+        layout.addWidget(self.maximize_button)
+        layout.addWidget(self.close_button)
+        
+        self.setLayout(layout)
+        
+        # 连接按钮事件
+        self.minimize_button.clicked.connect(self.minimize_window)
+        self.maximize_button.clicked.connect(self.maximize_window)
+        self.close_button.clicked.connect(self.close_window)
+        
+        # 设置标题栏样式
+        self.setStyleSheet("""
+            CustomTitleBar {
+                background-color: #f0f0f0;
+                border-top-left-radius: 0px;
+                border-top-right-radius: 0px;
+                border-bottom: 1px solid #d0d0d0;
+            }
+        """)
+    
+    def minimize_window(self):
+        """
+        最小化窗口
+        - 触发窗口最小化事件
+        """
+        if self.parent:
+            self.parent.showMinimized()
+    
+    def maximize_window(self):
+        """
+        最大化窗口
+        - 切换窗口最大化状态
+        """
+        if self.parent:
+            if self.parent.isMaximized():
+                self.parent.showNormal()
+                self.maximize_button.setText("□")
+            else:
+                self.parent.showMaximized()
+                self.maximize_button.setText("❐")
+    
+    def close_window(self):
+        """
+        关闭窗口
+        - 触发窗口关闭事件
+        """
+        if self.parent:
+            self.parent.close()
+
+class ProgressBarWidget(QWidget):
+    def __init__(self, parent=None):
+        """
+        进度条组件
+        - 显示打字练习进度
+        - 显示统计信息
+        """
+        super().__init__(parent)
+        self.setup_ui()
+    
+    def setup_ui(self):
+        """
+        设置进度条UI
+        - 初始化所有UI组件
+        - 设置组件属性和样式
+        """
+        # 创建垂直布局
+        layout = QVBoxLayout()
+        layout.setContentsMargins(10, 10, 10, 10)
+        layout.setSpacing(5)
+        
+        # 创建水平布局用于统计信息
+        stats_layout = QHBoxLayout()
+        stats_layout.setSpacing(15)
+        
+        # 创建统计信息标签
+        self.wpm_label = QLabel("WPM: 0")
+        self.accuracy_label = QLabel("准确率: 0%")
+        self.time_label = QLabel("用时: 0s")
+        
+        # 设置标签样式
+        label_style = "font-size: 12px; font-weight: normal; color: #333333;"
+        self.wpm_label.setStyleSheet(label_style)
+        self.accuracy_label.setStyleSheet(label_style)
+        self.time_label.setStyleSheet(label_style)
+        
+        # 添加标签到统计布局
+        stats_layout.addWidget(self.wpm_label)
+        stats_layout.addWidget(self.accuracy_label)
+        stats_layout.addWidget(self.time_label)
+        stats_layout.addStretch()
+        
+        # 创建进度条
+        self.progress_bar = QProgressBar()
+        self.progress_bar.setRange(0, 100)
+        self.progress_bar.setValue(0)
+        self.progress_bar.setTextVisible(True)
+        self.progress_bar.setFormat("进度: %p%")
+        
+        # 设置进度条样式
+        self.progress_bar.setStyleSheet("""
+            QProgressBar {
+                border: 1px solid #c0c0c0;
+                border-radius: 0px;
+                text-align: center;
+                background-color: #f0f0f0;
+            }
+            QProgressBar::chunk {
+                background-color: #0078d7;
+                border-radius: 0px;
+            }
+        """)
+        
+        # 添加组件到主布局
+        layout.addLayout(stats_layout)
+        layout.addWidget(self.progress_bar)
+        
+        self.setLayout(layout)
+    
+    def update_progress(self, progress: float):
+        """
+        更新进度条
+        - 设置进度值
+        - 更新显示
+        """
+        self.progress_bar.setValue(int(progress))
+    
+    def update_stats(self, wpm: int, accuracy: float, time_elapsed: int):
+        """
+        更新统计信息
+        - wpm: 每分钟字数
+        - accuracy: 准确率(%)
+        - time_elapsed: 用时(秒)
+        """
+        self.wpm_label.setText(f"WPM: {wpm}")
+        self.accuracy_label.setText(f"准确率: {accuracy:.1f}%")
+        self.time_label.setText(f"用时: {time_elapsed}s")
+
+class StatsDisplayWidget(QWidget):
+    def __init__(self, parent=None):
+        """
+        统计信息显示组件
+        - 显示准确率、WPM等统计信息
+        """
+        super().__init__(parent)
+        self.setup_ui()
+    
+    def setup_ui(self):
+        """
+        设置统计信息显示UI
+        - 初始化所有UI组件
+        - 设置组件属性和样式
+        """
+        # 创建水平布局
+        layout = QHBoxLayout()
+        layout.setContentsMargins(10, 5, 10, 5)
+        layout.setSpacing(15)
+        
+        # 创建统计信息标签
+        self.wpm_label = QLabel("WPM: 0")
+        self.accuracy_label = QLabel("准确率: 0%")
+        
+        # 设置标签样式
+        label_style = "font-size: 12px; font-weight: normal; color: #333333;"
+        self.wpm_label.setStyleSheet(label_style)
+        self.accuracy_label.setStyleSheet(label_style)
+        
+        # 添加组件到布局
+        layout.addWidget(self.wpm_label)
+        layout.addWidget(self.accuracy_label)
+        layout.addStretch()
+        
+        self.setLayout(layout)
+        
+        # 设置样式
+        self.setStyleSheet("""
+            StatsDisplayWidget {
+                background-color: #f0f0f0;
+                border-bottom: 1px solid #d0d0d0;
+            }
+        """)
+    
+    def update_stats(self, wpm: int, accuracy: float):
+        """
+        更新统计信息
+        - wpm: 每分钟字数
+        - accuracy: 准确率(%)
+        """
+        self.wpm_label.setText(f"WPM: {wpm}")
+        self.accuracy_label.setText(f"准确率: {accuracy:.1f}%")
+
+class QuoteDisplayWidget(QWidget):
+    def __init__(self, parent=None):
+        """
+        每日一言显示组件
+        - 显示每日一言功能
+        """
+        super().__init__(parent)
+        self.setup_ui()
+    
+    def setup_ui(self):
+        """
+        设置每日一言显示UI
+        - 初始化所有UI组件
+        - 设置组件属性和样式
+        """
+        # 创建水平布局
+        layout = QHBoxLayout()
+        layout.setContentsMargins(10, 5, 10, 5)
+        layout.setSpacing(15)
+        
+        # 创建每日一言标签
+        self.quote_label = QLabel("每日一言: 暂无")
+        self.quote_label.setStyleSheet("QLabel { color: #666666; font-style: italic; }")
+        
+        # 设置标签样式
+        label_style = "font-size: 12px; font-weight: normal; color: #333333;"
+        self.quote_label.setStyleSheet(label_style)
+        
+        # 创建每日一言刷新按钮
+        self.refresh_quote_button = QPushButton("刷新")
+        self.refresh_quote_button.setStyleSheet("""
+            QPushButton {
+                background-color: #0078d7;
+                color: white;
+                border: none;
+                padding: 5px 10px;
+                border-radius: 3px;
+                font-size: 12px;
+            }
+            QPushButton:hover {
+                background-color: #005a9e;
+            }
+        """)
+        
+        # 添加组件到布局
+        layout.addWidget(self.quote_label)
+        layout.addStretch()
+        layout.addWidget(self.refresh_quote_button)
+        
+        self.setLayout(layout)
+        
+        # 设置样式
+        self.setStyleSheet("""
+            QuoteDisplayWidget {
+                background-color: #f0f0f0;
+                border-bottom: 1px solid #d0d0d0;
+            }
+        """)
+    
+    def update_quote(self, quote: str):
+        """
+        更新每日一言
+        - quote: 每日一言内容
+        """
+        self.quote_label.setText(f"每日一言: {quote}")
+
+class WeatherDisplayWidget(QWidget):
+    def __init__(self, parent=None):
+        """
+        天气显示组件
+        - 显示天气信息
+        """
+        super().__init__(parent)
+        self.setup_ui()
+    
+    def setup_ui(self):
+        """
+        设置天气显示UI
+        - 初始化所有UI组件
+        - 设置组件属性和样式
+        """
+        # 创建水平布局
+        layout = QHBoxLayout()
+        layout.setContentsMargins(10, 5, 10, 5)
+        layout.setSpacing(15)
+        
+        # 创建天气信息标签
+        self.weather_label = QLabel("天气: 暂无")
+        
+        # 设置标签样式
+        label_style = "font-size: 12px; font-weight: normal; color: #333333;"
+        self.weather_label.setStyleSheet(label_style)
+        
+        # 创建天气刷新按钮
+        self.refresh_weather_button = QPushButton("刷新")
+        self.refresh_weather_button.setStyleSheet("""
+            QPushButton {
+                background-color: #0078d7;
+                color: white;
+                border: none;
+                padding: 5px 10px;
+                border-radius: 3px;
+                font-size: 12px;
+            }
+            QPushButton:hover {
+                background-color: #005a9e;
+            }
+        """)
+        
+        # 添加组件到布局
+        layout.addWidget(self.weather_label)
+        layout.addStretch()
+        layout.addWidget(self.refresh_weather_button)
+        
+        self.setLayout(layout)
+        
+        # 设置样式
+        self.setStyleSheet("""
+            WeatherDisplayWidget {
+                background-color: #f0f0f0;
+                border-bottom: 1px solid #d0d0d0;
+            }
+        """)
+    
+    def update_weather(self, weather_info: dict):
+        """
+        更新天气信息
+        - weather_info: 天气信息字典
+        """
+        if weather_info:
+            city = weather_info.get("city", "未知")
+            temperature = weather_info.get("temperature", "N/A")
+            description = weather_info.get("description", "N/A")
+            self.weather_label.setText(f"天气: {city} {temperature}°C {description}")
+        else:
+            self.weather_label.setText("天气: 获取失败")
+
+class TextDisplayWidget(QWidget):
+    def __init__(self, parent=None):
+        """
+        文本显示组件
+        - 显示待练习文本
+        - 高亮当前字符
+        - 显示用户输入反馈
+        """
+        super().__init__(parent)
+        self.text_content = ""
+        self.current_index = 0
+        self.setup_ui()
+    
+    def setup_ui(self):
+        """
+        设置文本显示UI
+        - 初始化文本显示区域
+        - 设置样式和布局
+        """
+        # 创建垂直布局
+        layout = QVBoxLayout()
+        layout.setContentsMargins(20, 20, 20, 20)
+        
+        # 创建文本显示区域
+        self.text_display = QTextEdit()
+        self.text_display.setReadOnly(False)  # 设置为可编辑
+        self.text_display.setLineWrapMode(QTextEdit.WidgetWidth)
+        
+        # 设置文本显示样式
+        self.text_display.setStyleSheet("""
+            QTextEdit {
+                font-family: 'Calibri', 'Segoe UI', 'Microsoft YaHei', sans-serif;
+                font-size: 12pt;
+                border: 1px solid #d0d0d0;
+                border-radius: 0px;
+                padding: 15px;
+                background-color: white;
+                color: black;
+            }
+        """)
+        
+        # 添加组件到布局
+        layout.addWidget(self.text_display)
+        self.setLayout(layout)
+    
+    def set_text(self, text: str):
+        """
+        设置显示文本
+        - text: 要显示的文本内容
+        """
+        self.text_content = text
+        self.current_index = 0
+        # 初始不显示内容，通过打字逐步显示
+        self.text_display.setHtml("")
+    
+    def highlight_character(self, position: int):
+        """
+        高亮指定位置的字符
+        - position: 字符位置索引
+        """
+        if 0 <= position < len(self.text_content):
+            self.current_index = position
+            # 不再直接高亮字符，而是通过用户输入来显示内容
+            pass
+    
+    def _update_display(self, user_input: str = ""):
+        """
+        更新文本显示
+        - user_input: 用户输入文本(可选)
+        """
+        # 导入需要的模块
+        from PyQt5.QtGui import QTextCursor
+        
+        if not self.text_content:
+            self.text_display.clear()
+            return
+        
+        # 简单显示文本，不使用任何高亮
+        if user_input:
+            # 只显示用户已输入的部分文本
+            displayed_text = self.text_content[:len(user_input)]
+        else:
+            # 没有用户输入，不显示任何内容
+            displayed_text = ""
+        
+        # 更新文本显示
+        self.text_display.setPlainText(displayed_text)
+        
+        # 安全地滚动到光标位置
+        if user_input and displayed_text:
+            try:
+                cursor = self.text_display.textCursor()
+                # 将光标定位到文本末尾
+                cursor.setPosition(len(displayed_text))
+                self.text_display.setTextCursor(cursor)
+                self.text_display.ensureCursorVisible()
+            except Exception:
+                # 如果光标定位失败，忽略错误
+                pass
+
+    def show_user_input(self, input_text: str):
+        """
+        显示用户输入的文本
+        - input_text: 用户输入的文本
+        """
+        self._update_display(input_text)
\ No newline at end of file
diff --git a/src/ui/theme_manager.py b/src/ui/theme_manager.py
index 255307b..6b42bb1 100644
--- a/src/ui/theme_manager.py
+++ b/src/ui/theme_manager.py
@@ -169,10 +169,10 @@ class ThemeManager(QObject):
         
         /* 菜单栏 */
         QMenuBar {
-            background-color: #2d2d2d;
-            border: 1px solid #3c3c3c;
+            background-color: #0078d7;
+            border: 1px solid #005a9e;
             font-size: 12px;
-            color: #e0e0e0;
+            color: #ffffff;
         }
         
         QMenuBar::item {
@@ -182,7 +182,7 @@ class ThemeManager(QObject):
         }
         
         QMenuBar::item:selected {
-            background-color: #3c3c3c;
+            background-color: #106ebe;
         }
         
         /* 菜单 */
@@ -421,10 +421,10 @@ class ThemeManager(QObject):
         
         /* 菜单栏 */
         QMenuBar {
-            background-color: #ffffff;
-            border: 1px solid #d0d0d0;
+            background-color: #0078d7;
+            border: 1px solid #005a9e;
             font-size: 12px;
-            color: #333333;
+            color: #ffffff;
         }
         
         QMenuBar::item {
@@ -434,7 +434,7 @@ class ThemeManager(QObject):
         }
         
         QMenuBar::item:selected {
-            background-color: #f0f0f0;
+            background-color: #106ebe;
         }
         
         /* 菜单 */
diff --git a/src/word_main_window.py b/src/word_main_window.py
index fbf8eb3..38112ac 100644
--- a/src/word_main_window.py
+++ b/src/word_main_window.py
@@ -131,6 +131,10 @@ class WordStyleMainWindow(QMainWindow):
         # 连接主题切换信号
         theme_manager.theme_changed.connect(self.on_theme_changed)
         
+        # 设置默认为白色模式（禁用自动检测）
+        theme_manager.enable_auto_detection(False)
+        theme_manager.set_dark_theme(False)
+        
         # 应用当前主题
         self.apply_theme()
     
@@ -150,30 +154,35 @@ class WordStyleMainWindow(QMainWindow):
         """更新组件样式"""
         colors = theme_manager.get_current_theme_colors()
         
-        # 更新菜单栏样式
+        # 更新菜单栏样式 - 使用微软蓝
         if hasattr(self, 'menubar'):
-            self.menubar.setStyleSheet(f"""
-                QMenuBar {{
-                    background-color: {colors['surface']};
-                    border: 1px solid {colors['border']};
+            self.menubar.setStyleSheet("""
+                QMenuBar {
+                    background-color: #0078d7;
+                    border: 1px solid #005a9e;
                     font-size: 12px;
-                    color: {colors['text']};
-                }}
+                    color: #ffffff;
+                }
                 
-                QMenuBar::item {{
+                QMenuBar::item {
                     background-color: transparent;
                     padding: 4px 10px;
-                    color: {colors['text']};
-                }}
+                    color: #ffffff;
+                }
                 
-                QMenuBar::item:selected {{
-                    background-color: {colors['surface_hover']};
-                }}
+                QMenuBar::item:selected {
+                    background-color: #106ebe;
+                }
                 
-                QMenuBar::item:pressed {{
-                    background-color: {colors['accent']};
-                    color: {colors['surface']};
-                }}
+                QMenuBar::item:pressed {
+                    background-color: #005a9e;
+                    color: #ffffff;
+                }
+                
+                #startMenu {
+                    background-color: white;
+                    color: #000000;
+                }
             """)
         
         # 更新文件菜单样式
@@ -538,6 +547,7 @@ class WordStyleMainWindow(QMainWindow):
         
         # 开始菜单
         start_menu = menubar.addMenu('开始(S)')
+        start_menu.setObjectName("startMenu")
         self.start_menu = start_menu  # 保存为实例变量
         
         # 撤销
@@ -657,24 +667,30 @@ class WordStyleMainWindow(QMainWindow):
         show_weather_action = QAction('显示详细天气', self)
         show_weather_action.triggered.connect(self.show_detailed_weather)
         weather_menu.addAction(show_weather_action)
-         #插入
+        # 插入菜单
         insert_menu = menubar.addMenu('插入(I)')
-        #绘图
+        
+        # 绘图菜单
         paint_menu = menubar.addMenu('绘图(D)')
-        #设计
+        
+        # 设计菜单
         design_menu = menubar.addMenu('设计(G)')
-        #布局
+        
+        # 布局菜单
         layout_menu = menubar.addMenu('布局(L)')
-        #引用
+        
+        # 引用菜单
         reference_menu = menubar.addMenu('引用(R)')
-        #邮件
+        
+        # 邮件菜单
         mail_menu = menubar.addMenu('邮件(M)')
-        #审阅
+        
+        # 审阅菜单
         review_menu = menubar.addMenu('审阅(W)')
-        #视图
-        view_menu = menubar.addMenu('视图(V)')
-        #开发工具
+        
+        # 开发工具菜单
         developer_menu = menubar.addMenu('开发工具(Q)')
+        
         # 帮助菜单
         help_menu = menubar.addMenu('帮助(H)')