diff --git a/IMG/BTH/exit.bmp b/IMG/BTN/exit.bmp
similarity index 100%
rename from IMG/BTH/exit.bmp
rename to IMG/BTN/exit.bmp
diff --git a/IMG/BTH/start_install.bmp b/IMG/BTN/start_install.bmp
similarity index 100%
rename from IMG/BTH/start_install.bmp
rename to IMG/BTN/start_install.bmp
diff --git a/__pycache__/Ui_install.cpython-310.pyc b/__pycache__/Ui_install.cpython-310.pyc
index 2dec22e..749a90b 100644
Binary files a/__pycache__/Ui_install.cpython-310.pyc and b/__pycache__/Ui_install.cpython-310.pyc differ
diff --git a/__pycache__/animations.cpython-310.pyc b/__pycache__/animations.cpython-310.pyc
index e07e120..547b273 100644
Binary files a/__pycache__/animations.cpython-310.pyc and b/__pycache__/animations.cpython-310.pyc differ
diff --git a/__pycache__/core.cpython-310.pyc b/__pycache__/core.cpython-310.pyc
new file mode 100644
index 0000000..11d6b45
Binary files /dev/null and b/__pycache__/core.cpython-310.pyc differ
diff --git a/__pycache__/main_window.cpython-310.pyc b/__pycache__/main_window.cpython-310.pyc
index 871fcd3..eb99d0b 100644
Binary files a/__pycache__/main_window.cpython-310.pyc and b/__pycache__/main_window.cpython-310.pyc differ
diff --git a/core.py b/core.py
new file mode 100644
index 0000000..96d8881
--- /dev/null
+++ b/core.py
@@ -0,0 +1,254 @@
+import os
+import shutil
+import requests
+import py7zr
+import hashlib
+import psutil
+import ctypes
+import base64
+from PySide6.QtWidgets import (QMessageBox, QFileDialog, QProgressDialog)
+from PySide6.QtCore import QThread, Signal
+
+# 配置信息（完全保持不变）
+app_data = {
+    "APP_VERSION": "4.10.0.17496",
+    "APP_NAME": "@FRAISEMOE Addons Installer",
+    "TEMP": "TEMP",
+    "CACHE": "FRAISEMOE",
+    "PLUGIN": "PLUGIN",
+    "CONFIG_URL": "aHR0cHM6Ly9hcmNoaXZlLm92b2Zpc2guY29tL2FwaS93aWRnZXQvbmVrb3BhcmEvZG93bmxvYWRfdXJsLmpzb24=",
+    "UA": "TW96aWxsYS81LjAgKExpbnV4IGRlYmlhbjEyIEZyYWlzZU1vZS1BY2NlcHQpIEdlY2tvLzIwMTAwMTAxIEZpcmVmb3gvMTE0LjA=",
+    "game_info": {
+        "NEKOPARA Vol.1": {
+            "exe": "nekopara_vol1.exe",
+            "hash": "04b48b231a7f34431431e5027fcc7b27affaa951b8169c541709156acf754f3e",
+            "install_path": "NEKOPARA Vol. 1/adultsonly.xp3",
+            "plugin_path": "vol.1/adultsonly.xp3",
+        },
+        "NEKOPARA Vol.2": {
+            "exe": "nekopara_vol2.exe",
+            "hash": "b9c00a2b113a1e768bf78400e4f9075ceb7b35349cdeca09be62eb014f0d4b42",
+            "install_path": "NEKOPARA Vol. 2/adultsonly.xp3",
+            "plugin_path": "vol.2/adultsonly.xp3",
+        },
+        "NEKOPARA Vol.3": {
+            "exe": "NEKOPARAvol3.exe",
+            "hash": "2ce7b223c84592e1ebc3b72079dee1e5e8d064ade15723328a64dee58833b9d5",
+            "install_path": "NEKOPARA Vol. 3/update00.int",
+            "plugin_path": "vol.3/update00.int",
+        },
+        "NEKOPARA Vol.4": {
+            "exe": "nekopara_vol4.exe",
+            "hash": "4a4a9ae5a75a18aacbe3ab0774d7f93f99c046afe3a777ee0363e8932b90f36a",
+            "install_path": "NEKOPARA Vol. 4/vol4adult.xp3",
+            "plugin_path": "vol.4/vol4adult.xp3",
+        },
+    },
+}
+
+def decode_base64(encoded_str):
+    """Base64解码函数"""
+    return base64.b64decode(encoded_str).decode("utf-8")
+
+class DownloadThread(QThread):
+    progress_updated = Signal(int)
+    download_finished = Signal(bool, str)
+    
+    def __init__(self, url, save_path, headers):
+        super().__init__()
+        self.url = url
+        self.save_path = save_path
+        self.headers = headers
+    
+    def run(self):
+        try:
+            response = requests.get(self.url, headers=self.headers, stream=True)
+            response.raise_for_status()
+            
+            total_size = int(response.headers.get('content-length', 0))
+            downloaded = 0
+            
+            with open(self.save_path, 'wb') as f:
+                for chunk in response.iter_content(chunk_size=8192):
+                    if chunk:
+                        f.write(chunk)
+                        downloaded += len(chunk)
+                        progress = int((downloaded / total_size) * 100)
+                        self.progress_updated.emit(progress)
+            
+            self.download_finished.emit(True, "")
+        except Exception as e:
+            self.download_finished.emit(False, str(e))
+
+class AppCore:
+    def __init__(self, ui):
+        self.ui = ui
+        self.install_dir = ""
+        self.temp_dir = os.path.join(os.getenv(app_data["TEMP"]), app_data["CACHE"])
+        self.plugin_dir = os.path.join(self.temp_dir, app_data["PLUGIN"])
+        self._create_dirs()  # 确保这个方法被正确定义
+        
+        # 解码配置
+        self.CONFIG_URL = decode_base64(app_data["CONFIG_URL"])
+        self.UA = decode_base64(app_data["UA"]) + f" FraiseMoe/{app_data['APP_VERSION']}"
+        self.GAME_INFO = app_data["game_info"]
+        self.current_download_thread = None
+
+    def _create_dirs(self):
+        """创建必要的目录"""
+        os.makedirs(self.plugin_dir, exist_ok=True)
+    
+    def start_installation(self):
+        """开始安装流程"""
+        if not self._select_install_dir():
+            return
+        
+        if not self._check_processes():
+            return
+            
+        self._download_and_install()
+    
+    def _select_install_dir(self):
+        """选择安装目录"""
+        dir_path = QFileDialog.getExistingDirectory(
+            self.ui, "选择游戏安装目录"
+        )
+        if not dir_path:
+            QMessageBox.warning(self.ui, "警告", "必须选择安装目录")
+            return False
+        self.install_dir = dir_path
+        return True
+    
+    def _check_processes(self):
+        """检查游戏进程"""
+        for proc in psutil.process_iter(['name']):
+            if proc.info['name'] in [info['exe'] for info in self.GAME_INFO.values()]:
+                reply = QMessageBox.question(
+                    self.ui, "警告", 
+                    "检测到游戏正在运行，需要关闭才能继续安装",
+                    QMessageBox.Yes | QMessageBox.No
+                )
+                if reply == QMessageBox.Yes:
+                    try:
+                        proc.kill()
+                    except:
+                        QMessageBox.critical(
+                            self.ui, "错误", 
+                            "无法关闭游戏进程，请手动关闭"
+                        )
+                        return False
+                else:
+                    return False
+        return True
+    
+    def _get_download_config(self):
+        """获取下载配置"""
+        try:
+            headers = {"User-Agent": self.UA}
+            response = requests.get(self.CONFIG_URL, headers=headers, timeout=10)
+            response.raise_for_status()
+            return response.json()
+        except Exception as e:
+            QMessageBox.critical(
+                self.ui, "错误", 
+                f"获取下载配置失败: {str(e)}"
+            )
+            return None
+    
+    def _download_and_install(self):
+        """下载并安装文件"""
+        config = self._get_download_config()
+        if not config:
+            return
+            
+        # 创建进度对话框
+        progress = QProgressDialog("下载补丁文件中...", "取消", 0, 100, self.ui)
+        progress.setWindowTitle("安装进度")
+        progress.setAutoClose(True)
+        
+        # 为每个游戏版本下载补丁
+        for game_name, game_info in self.GAME_INFO.items():
+            vol_key = f"vol.{game_name.split()[-1]}.data"
+            if vol_key not in config:
+                continue
+                
+            download_url = config[vol_key]["url"]
+            temp_file = os.path.join(self.plugin_dir, f"{vol_key}.7z")
+            
+            # 启动下载线程
+            self.current_download_thread = DownloadThread(
+                download_url, 
+                temp_file,
+                {"User-Agent": self.UA}
+            )
+            self.current_download_thread.progress_updated.connect(progress.setValue)
+            self.current_download_thread.download_finished.connect(
+                lambda success, err, f=temp_file, g=game_name, i=game_info: 
+                self._handle_download_result(success, err, f, g, i)
+            )
+            self.current_download_thread.start()
+            
+            progress.exec_()
+    
+    def _handle_download_result(self, success, error, temp_file, game_name, game_info):
+        """处理下载结果"""
+        if not success:
+            QMessageBox.critical(self.ui, "下载失败", f"错误: {error}")
+            return
+            
+        try:
+            # 解压文件
+            with py7zr.SevenZipFile(temp_file, mode='r') as archive:
+                archive.extractall(path=self.plugin_dir)
+                
+            # 复制到游戏目录
+            plugin_path = os.path.join(self.plugin_dir, game_info["plugin_path"])
+            install_path = os.path.join(self.install_dir, game_info["install_path"])
+            
+            os.makedirs(os.path.dirname(install_path), exist_ok=True)
+            shutil.copy(plugin_path, install_path)
+            
+            # 验证哈希
+            if self._verify_hash(install_path, game_info["hash"]):
+                QMessageBox.information(
+                    self.ui, "安装完成", 
+                    f"{game_name} 补丁已成功安装！"
+                )
+            else:
+                QMessageBox.warning(
+                    self.ui, "警告",
+                    f"{game_name} 文件校验失败，安装可能不完整"
+                )
+        except Exception as e:
+            QMessageBox.critical(
+                self.ui, "安装失败", 
+                f"安装过程中出错: {str(e)}"
+            )
+        finally:
+            # 清理临时文件
+            if os.path.exists(temp_file):
+                os.remove(temp_file)
+    
+    def _verify_hash(self, file_path, expected_hash):
+        """验证文件哈希"""
+        if not os.path.exists(file_path):
+            return False
+            
+        sha256_hash = hashlib.sha256()
+        with open(file_path, "rb") as f:
+            for byte_block in iter(lambda: f.read(8192), b""):
+                sha256_hash.update(byte_block)
+        return sha256_hash.hexdigest() == expected_hash
+    
+    def shutdown_app(self):
+        """关闭应用程序"""
+        reply = QMessageBox.question(
+            self.ui, "退出", 
+            "确定要退出安装程序吗？",
+            QMessageBox.Yes | QMessageBox.No
+        )
+        if reply == QMessageBox.Yes:
+            # 清理临时目录
+            if os.path.exists(self.temp_dir):
+                shutil.rmtree(self.temp_dir)
+            self.ui.close()
\ No newline at end of file
diff --git a/install.ui b/install.ui
index bdfb08d..400f680 100644
--- a/install.ui
+++ b/install.ui
@@ -212,7 +212,7 @@
     </property>
     <property name="icon">
      <iconset>
-      <normaloff>IMG/BTH/start_install.bmp</normaloff>IMG/BTH/start_install.bmp</iconset>
+      <normaloff>IMG/BTN/start_install.bmp</normaloff>IMG/BTN/start_install.bmp</iconset>
     </property>
     <property name="iconSize">
      <size>
@@ -253,7 +253,7 @@
     </property>
     <property name="icon">
      <iconset>
-      <normaloff>IMG/BTH/exit.bmp</normaloff>IMG/BTH/exit.bmp</iconset>
+      <normaloff>IMG/BTN/exit.bmp</normaloff>IMG/BTN/exit.bmp</iconset>
     </property>
     <property name="iconSize">
      <size>