fix the connection problem for single pattern
fix the connection problem for single pattern

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