说明：  泷涯离线下载，用来搭建自己的离线下载服务器，需要支持URL打开文件和写入权限。下一个版本会添加CURL的支持。 泷涯离线下载 2.1 更新日志： FIX 修复了已知BUG FIX 优化代码，提高效率 FIX 基本解决了随机名称带来的问题 ADD 增加下载完毕邮件通知的功能（测试中，如果不正常请谅解）
(Takimoto career offline download, offline to build their own download server needs to support URL to open the file and write permissions. The next version will add CURL support. Takimoto career offline download 2.1 update log: FIX fixes known BUG FIX optimized code, improve efficiency FIX basically solve the problems caused by random name ADD increase the download is complete mail notification function (test, if not normal, please understand))