diff --git a/src/start.py b/src/start.py
index 62e0024..e2f03bb 100644
--- a/src/start.py
+++ b/src/start.py
@@ -34,6 +34,40 @@ def get_resource_path(relative_path):
 # 构建JDK和JAR的路径
 jar_path = os.path.join("datas", "electromagnetic.jar")
 
+def delete_old_files(directory, days=2):
+    # 计算时间阈值（当前时间 - days天）
+    threshold_time = time.time() - days * 24 * 60 * 60
+
+    deleted_count = 0
+    try:
+        # 遍历目录中的文件
+        for filename in os.listdir(directory):
+            filepath = os.path.join(directory, filename)
+
+            # 确保是文件而不是目录
+            if os.path.isfile(filepath):
+                try:
+                    # 获取文件创建时间（Windows系统）
+                    creation_time = os.path.getctime(filepath)
+
+                    # 检查文件是否超过阈值
+                    if creation_time < threshold_time:
+                        # 删除文件
+                        os.remove(filepath)
+                        deleted_count += 1
+                        logger.info(f"已删除: {filename} (创建时间: {format_time(creation_time)})")
+                except Exception as e:
+                    logger.info(f"处理文件 {filename} 时出错: {str(e)}", file=sys.stderr)
+
+        logger.info(f"\n操作完成！共删除 {deleted_count} 个文件。")
+    except Exception as e:
+        logger.info(f"遍历目录时出错: {str(e)}", file=sys.stderr)
+
+
+def format_time(timestamp):
+    """将时间戳格式化为可读字符串"""
+    return datetime.datetime.fromtimestamp(timestamp).strftime('%Y-%m-%d %H:%M:%S')
+
 def start():
     try:
         ensure_dir(app_log_dir)
@@ -91,6 +125,7 @@ def open_web():
 if __name__ == '__main__':
     elevate.elevate()
     kill_process_by_port(port)
+    delete_old_files(app_log_dir, days=2)
     start()
     time.sleep(10)
     open_web()
\ No newline at end of file