2025/12/6 8:40:22:System.UnauthorizedAccessException: 对路径“find.mp4”的访问被拒绝。
   在 System.IO.Directory.DeleteHelper(String fullPath, String userPath, Boolean recursive, Boolean throwOnTopLevelDirectoryNotFound, WIN32_FIND_DATA& data)
   在 System.IO.Directory.Delete(String fullPath, String userPath, Boolean recursive, Boolean checkHost)
   在 Thinkrace.FilesServices.FilesServer.DeleteFiles()