Well, I haven't received response from some people. Most case, their email doesn't work recently. Here I give the list of the name and email(without the email domain). Hope you can see it if you write to me before:

Zhengdong zhu zdzzd2005@
hui bo.hui@
Ren dajiaxiao@
Lai dancy1800@
Chen chinmason@
Li cnbullet@
Wang wjjerry2003@
Xu jessicaxu007@
YuFeng wendy wendyjiang2003@
Hu Ken kenhuban@
Jiang sapr3ts@
Gao Gaodu@
Shi philipshi@
lei robin_lei2002@
Wang macsymxinwang@
tony dldingjun@
Shi Zhen shizn72@
Huang cfrtopjoy@
Cai caiyuanqi@
Li mis_lee@
wang zhongw2003@