用批处理实现文件备份器V2.3

echo           │            本操作即将把备份任务加入到开机自运行        │
echo           │                                                        │
echo           │        选项中。若要取消开机自运行功能，请在"开始       │
echo           │                                                        │
echo           │        运行"中输入"msconfig"，打开"系统配置实用       │
echo           │                                                        │
echo           │        程序"，在"启动"处取消以备份任务名称命名的       │
echo           │                                                        │
echo           │        启动项目，或者在注册表[HKEY_LOCAL_MACHINE      │
echo           │                                                        │