modify README
modify README

u20024804/tcpcopy,liviusATnetskope/second,horryq/tcpcopy,left2right/tcpcopy,left2right/tcpcopy,caosiyang/tcpcopy,wfxiang08/tcpcopy,caosiyang/tcpcopy,sshling/tcpcopy,u20024804/tcpcopy,daodaoliang/tcpcopy,eliteYang/tcpcopy,liviusATnetskope/second,horryq/tcpcopy,ycaihua/tcpcopy,wfxiang08/tcpcopy,sshling/tcpcopy,eliteYang/tcpcopy,ycaihua/tcpcopy,daodaoliang/tcpcopy