diff --git a/source/core/handlers/extraction_handler.py b/source/core/handlers/extraction_handler.py
index 07ddfca..27ffe4d 100644
--- a/source/core/handlers/extraction_handler.py
+++ b/source/core/handlers/extraction_handler.py
@@ -110,7 +110,8 @@ class ExtractionHandler:
                 self.main_window.download_manager.on_extraction_finished(True)
             else:
                 # 用户选择停止，保持窗口启用状态
-                self.main_window.ui_manager.set_install_button_state("ready")
+                if hasattr(self.main_window, 'window_manager'):
+                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
                 # 通知DownloadManager停止下载队列
                 self.main_window.download_manager.on_extraction_finished(False)
             return
diff --git a/source/core/managers/cloudflare_optimizer.py b/source/core/managers/cloudflare_optimizer.py
index 7211bfd..83b8fdd 100644
--- a/source/core/managers/cloudflare_optimizer.py
+++ b/source/core/managers/cloudflare_optimizer.py
@@ -199,7 +199,8 @@ class CloudflareOptimizer:
                 
             # 恢复主窗口状态
             self.main_window.setEnabled(True)
-            self.main_window.ui_manager.set_install_button_state("ready")
+            if hasattr(self.main_window, 'window_manager'):
+                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
             
             # 显示取消消息
             QtWidgets.QMessageBox.information(
@@ -332,7 +333,8 @@ class CloudflareOptimizer:
             if msg_box.clickedButton() == cancel_button:
                 # 恢复主窗口状态
                 self.main_window.setEnabled(True)
-                self.main_window.ui_manager.set_install_button_state("ready")
+                if hasattr(self.main_window, 'window_manager'):
+                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
                 return False
                 
             # 用户点击了继续，重新禁用主窗口
@@ -403,7 +405,8 @@ class CloudflareOptimizer:
                     if msg_box.clickedButton() == cancel_button:
                         # 恢复主窗口状态
                         self.main_window.setEnabled(True)
-                        self.main_window.ui_manager.set_install_button_state("ready")
+                        if hasattr(self.main_window, 'window_manager'):
+                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
                         return False
                 else:
                     QtWidgets.QMessageBox.critical(
@@ -412,7 +415,8 @@ class CloudflareOptimizer:
                         "\n修改hosts文件失败，请检查程序是否以管理员权限运行。\n"
                     )
                     # 恢复主窗口状态
-                    self.main_window.ui_manager.set_install_button_state("ready")
+                    if hasattr(self.main_window, 'window_manager'):
+                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
                     return False
                 
                 # 用户点击了继续，重新禁用主窗口
diff --git a/source/core/managers/download_manager.py b/source/core/managers/download_manager.py
index 2bded48..3b2c997 100644
--- a/source/core/managers/download_manager.py
+++ b/source/core/managers/download_manager.py
@@ -63,7 +63,8 @@ class DownloadManager:
             )
             return
         
-        self.main_window.ui_manager.set_install_button_state("installing")
+        if hasattr(self.main_window, 'window_manager'):
+            self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_INSTALLING)
         
         self.main_window.setEnabled(False)
         
@@ -264,7 +265,8 @@ class DownloadManager:
                 self.main_window, f"通知 - {APP_NAME}", "\n未在选择的目录中找到支持的游戏\n"
             )
             self.main_window.setEnabled(True)
-            self.main_window.ui_manager.set_install_button_state("ready")
+            if hasattr(self.main_window, 'window_manager'):
+                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
             return
         
         # 检查是否禁用了安装前哈希预检查
@@ -479,7 +481,8 @@ class DownloadManager:
             else:
                 if debug_mode:
                     logger.debug("DEBUG: 用户取消了游戏选择")
-                self.main_window.ui_manager.set_install_button_state("ready")
+                if hasattr(self.main_window, 'window_manager'):
+                    self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
         else:
             # 如果没有可安装的游戏，显示提示
             if already_installed_games:
@@ -492,7 +495,8 @@ class DownloadManager:
                 f"通知 - {APP_NAME}",
                 msg
             )
-            self.main_window.ui_manager.set_install_button_state("ready")
+            if hasattr(self.main_window, 'window_manager'):
+                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
             
     def _continue_download_after_config_fetch(self, data, error, selected_game_dirs):
         """云端配置获取完成后继续下载流程
@@ -530,7 +534,8 @@ class DownloadManager:
                 self.main_window, f"错误 - {APP_NAME}", "\n网络状态异常或服务器故障，请重试\n"
             )
             self.main_window.setEnabled(True)
-            self.main_window.ui_manager.set_install_button_state("ready")
+            if hasattr(self.main_window, 'window_manager'):
+                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
             return
 
         self._fill_download_queue(config, selected_game_dirs)
@@ -703,7 +708,8 @@ class DownloadManager:
         clicked_button = msg_box.clickedButton()
         if clicked_button == cancel_button:
             self.main_window.setEnabled(True)
-            self.main_window.ui_manager.set_install_button_state("ready")
+            if hasattr(self.main_window, 'window_manager'):
+                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
             self.download_queue.clear()
             return
         
@@ -958,7 +964,8 @@ class DownloadManager:
         logger.info("下载已全部停止。")
         
         self.main_window.setEnabled(True)
-        self.main_window.ui_manager.set_install_button_state("ready")
+        if hasattr(self.main_window, 'window_manager'):
+            self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
         
         QtWidgets.QMessageBox.information(
             self.main_window,
@@ -1002,7 +1009,8 @@ class DownloadManager:
                 self.main_window, f"通知 - {APP_NAME}", "\n未在选择的目录中找到支持的游戏\n"
             )
             self.main_window.setEnabled(True)
-            self.main_window.ui_manager.set_install_button_state("ready")
+            if hasattr(self.main_window, 'window_manager'):
+                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
             return
             
         # 过滤出存在的游戏目录
@@ -1013,7 +1021,8 @@ class DownloadManager:
                 self.main_window, f"通知 - {APP_NAME}", "\n未找到指定游戏的安装目录\n"
             )
             self.main_window.setEnabled(True)
-            self.main_window.ui_manager.set_install_button_state("ready")
+            if hasattr(self.main_window, 'window_manager'):
+                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
             return
             
         self.main_window.setEnabled(False)
@@ -1025,7 +1034,8 @@ class DownloadManager:
                 self.main_window, f"错误 - {APP_NAME}", "\n网络状态异常或服务器故障，请重试\n"
             )
             self.main_window.setEnabled(True)
-            self.main_window.ui_manager.set_install_button_state("ready")
+            if hasattr(self.main_window, 'window_manager'):
+                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
             return
             
         # 填充下载队列
@@ -1150,7 +1160,8 @@ class DownloadManager:
 
         if not game_dirs:
             self.main_window.setEnabled(True)
-            self.main_window.ui_manager.set_install_button_state("ready")
+            if hasattr(self.main_window, 'window_manager'):
+                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
             from PySide6.QtWidgets import QMessageBox
             from config.config import APP_NAME
             QMessageBox.warning(
diff --git a/source/core/managers/offline_mode_manager.py b/source/core/managers/offline_mode_manager.py
index ecf5ca5..d7afdc5 100644
--- a/source/core/managers/offline_mode_manager.py
+++ b/source/core/managers/offline_mode_manager.py
@@ -847,7 +847,8 @@ class OfflineModeManager:
                 QMessageBox.StandardButton.Ok
             ).exec()
             self.main_window.setEnabled(True)
-            self.main_window.ui_manager.set_install_button_state("ready")
+            if hasattr(self.main_window, 'window_manager'):
+                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
             
         return True
         
@@ -907,7 +908,8 @@ class OfflineModeManager:
             else:
                 # 恢复UI状态
                 self.main_window.setEnabled(True)
-                self.main_window.ui_manager.set_install_button_state("ready")
+                if hasattr(self.main_window, 'window_manager'):
+                    self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
                 
             return
             
@@ -1040,4 +1042,5 @@ class OfflineModeManager:
             
             # 恢复UI状态
             self.main_window.setEnabled(True)
-            self.main_window.ui_manager.set_install_button_state("ready") 
\ No newline at end of file
+            if hasattr(self.main_window, 'window_manager'):
+                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY) 
\ No newline at end of file
diff --git a/source/core/managers/patch_detector.py b/source/core/managers/patch_detector.py
index d47c465..3d0ddd2 100644
--- a/source/core/managers/patch_detector.py
+++ b/source/core/managers/patch_detector.py
@@ -268,7 +268,8 @@ class PatchDetector:
             QMessageBox.critical(self.main_window, f"文件校验失败 - {APP_NAME}", message)
 
         self.main_window.setEnabled(True)
-        self.main_window.ui_manager.set_install_button_state("ready")
+        if hasattr(self.main_window, 'window_manager'):
+            self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
         QTimer.singleShot(100, self.main_window.show_result)
         
     def on_offline_pre_hash_finished(self, updated_status, game_dirs):
@@ -333,7 +334,8 @@ class PatchDetector:
                     "\n未检测到任何需要安装补丁的游戏。\n\n请确保游戏文件夹位于选择的目录中。\n",
                 )
                 
-            self.main_window.ui_manager.set_install_button_state("ready")
+            if hasattr(self.main_window, 'window_manager'):
+                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
             return
             
         from PySide6 import QtWidgets
@@ -367,7 +369,8 @@ class PatchDetector:
         
         result = dialog.exec()
         if result != QtWidgets.QDialog.DialogCode.Accepted or not list_widget.selectedItems():
-            self.main_window.ui_manager.set_install_button_state("ready")
+            if hasattr(self.main_window, 'window_manager'):
+                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
             return
             
         selected_games = [item.text() for item in list_widget.selectedItems()]
diff --git a/source/core/managers/ui_manager.py b/source/core/managers/ui_manager.py
index afa6e14..cddf30a 100644
--- a/source/core/managers/ui_manager.py
+++ b/source/core/managers/ui_manager.py
@@ -383,7 +383,7 @@ class UIManager:
         if self.ipv6_manager:
             self.ipv6_test_action.triggered.connect(self.ipv6_manager.show_ipv6_details)
         else:
-            self.ipv6_test_action.triggered.connect(self.show_ipv6_manager_not_ready)
+            self.ipv6_test_action.triggered.connect(lambda: self._create_message_box("错误", "\nIPv6管理器尚未初始化，请稍后再试。\n").exec())
         
         # 创建IPv6支持子菜单
         self.ipv6_submenu = QMenu("IPv6支持", self.main_window)
@@ -476,7 +476,7 @@ class UIManager:
         self.switch_source_action = QAction("修改下载源", self.main_window)
         self.switch_source_action.setFont(menu_font)
         self.switch_source_action.setEnabled(True)
-        self.switch_source_action.triggered.connect(self.show_under_development)
+        self.switch_source_action.triggered.connect(lambda: self._create_message_box("提示", "\n该功能正在开发中，敬请期待！\n").exec())
         
         # 添加下载线程设置选项
         self.thread_settings_action = QAction("下载线程设置", self.main_window)
@@ -638,15 +638,12 @@ class UIManager:
         
         reply = msg_box.exec()
         if reply == QMessageBox.StandardButton.Yes:
-            # 用户确认撤回
             try:
-                # 导入隐私管理器
                 from core.managers.privacy_manager import PrivacyManager
                 import sys
                 import subprocess
                 import os
                 
-                # 创建实例并重置隐私协议同意
                 privacy_manager = PrivacyManager()
                 if privacy_manager.reset_privacy_agreement():
                     # 显示重启提示
@@ -656,32 +653,21 @@ class UIManager:
                     )
                     restart_msg.exec()
                     
-                    # 获取当前执行的Python解释器路径和脚本路径
+                    # 重启应用程序
                     python_executable = sys.executable
                     script_path = os.path.abspath(sys.argv[0])
-                    
-                    # 构建重启命令
-                    restart_cmd = [python_executable, script_path]
-                    
-                    # 启动新进程
-                    subprocess.Popen(restart_cmd)
-                    
-                    # 退出当前进程
+                    subprocess.Popen([python_executable, script_path])
                     sys.exit(0)
                 else:
-                    # 显示失败提示
-                    fail_msg = self._create_message_box(
+                    self._create_message_box(
                         "操作失败",
                         "\n撤回隐私协议同意失败。\n\n请检查应用权限或稍后再试。\n"
-                    )
-                    fail_msg.exec()
+                    ).exec()
             except Exception as e:
-                # 显示错误提示
-                error_msg = self._create_message_box(
+                self._create_message_box(
                     "错误",
                     f"\n撤回隐私协议同意时发生错误：\n\n{str(e)}\n"
-                )
-                error_msg.exec()
+                ).exec()
 
     def _create_message_box(self, title, message, buttons=QMessageBox.StandardButton.Ok):
         """创建统一风格的消息框
@@ -701,11 +687,6 @@ class UIManager:
         )
         return msg_box
         
-    def show_under_development(self):
-        """显示功能正在开发中的提示"""
-        msg_box = self._create_message_box("提示", "\n该功能正在开发中，敬请期待！\n")
-        msg_box.exec()
-        
     def show_download_thread_settings(self):
         """显示下载线程设置对话框"""
         if hasattr(self.main_window, 'download_manager'):
@@ -1001,10 +982,7 @@ class UIManager:
         msg_box.setTextFormat(Qt.TextFormat.RichText)  # 使用Qt.TextFormat
         msg_box.exec() 
 
-    def show_ipv6_manager_not_ready(self):
-        """显示IPv6管理器未准备好的提示"""
-        msg_box = self._create_message_box("错误", "\nIPv6管理器尚未初始化，请稍后再试。\n")
-        msg_box.exec() 
+ 
 
     def switch_work_mode(self, mode):
         """切换工作模式
@@ -1040,7 +1018,8 @@ class UIManager:
             self.main_window.save_config(self.main_window.config)
             
             # 在离线模式下启用开始安装按钮
-            self.set_install_button_state("ready")
+            if hasattr(self.main_window, 'window_manager'):
+                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
             
             # 清除版本警告标志
             if hasattr(self.main_window, 'version_warning'):
@@ -1141,32 +1120,4 @@ class UIManager:
             self.loading_dialog.hide()
             self.loading_dialog = None
 
-    def set_install_button_state(self, state):
-        """统一的安装按钮状态管理方法
-        
-        Args:
-            state (str): 按钮状态 - "ready", "installing", "disabled", "completed"
-        """
-        if hasattr(self.main_window, 'window_manager'):
-            if state == "ready":
-                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_READY)
-            elif state == "installing":
-                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_INSTALLING)
-            elif state == "disabled":
-                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_ERROR)
-            elif state == "completed":
-                self.main_window.window_manager.change_window_state(self.main_window.window_manager.STATE_COMPLETED)
-        else:
-            # 降级处理，直接设置按钮状态
-            if state == "ready":
-                self.main_window.ui.start_install_btn.setEnabled(True)
-                self.main_window.ui.start_install_text.setText("开始安装")
-            elif state == "installing":
-                self.main_window.ui.start_install_btn.setEnabled(False)
-                self.main_window.ui.start_install_text.setText("正在安装")
-            elif state == "disabled":
-                self.main_window.ui.start_install_btn.setEnabled(False)
-                self.main_window.ui.start_install_text.setText("!无法安装!")
-            elif state == "completed":
-                self.main_window.ui.start_install_btn.setEnabled(True)
-                self.main_window.ui.start_install_text.setText("安装完成") 
\ No newline at end of file
+ 
\ No newline at end of file