Help! how to disconnect the ftp with uipath?

hello guys,i need some help!! i update the latest version of uipath and the ftp activity version.but i did not find the disconnect ftp activity and open ftp activity. as i knew, i can use with ftp session to connect the ftp server. but i didn’t know how to disconnect ftp server. thanks for your help and wait your reply

hello,can somebody help me ,i need help,thanks all!!