1.使用异步socket连接，异步解析主机名；

2.支持多文件、多级目录/子目录的上传/下载；

3.文件的删除、重命名、修改属性......等等；

4.用户的修改密码.......等等；

5.断点上传/下载；

6.支持托放上传/下载；

7.自定义FTP命令等；

8.拨号网络(电话及ADSL)/挂断等管理；

9.SOCKS4/SOCKS4A, SOCKS5, HTTP1.1；FTP login Proxy等支持；

-1. The use of asynchronous socket connections, analytic asynchronous mainframe; 2. Support multiple documents, Multi-level directory / subdirectory upload / download; 3. delete the file, rename, change attributes ...... etc.; 4. the user password changes ....... etc.; 5. Breakpoint upload / download; 6. take care support upload / download; 7. since the definition of FTP orders; 8. Dial-up Network (telephone and ADSL) / hang up such management; 9.SOCKS4/SOCKS4A. SOCKS5, HTTP1.1; FTP Proxy login and other support;