on Jan. 07 ,2017 ,ourtt.net ‘s first stable version go live!!

on 12-03-2017, we added register/login function on front page  ,because we have over 28,000 users

in Sept. 2018, I added SSL and some security software into ourtt.net

in Feb. 2019, I closed registration for ourtt.net in order to reduce burden of web server.