帮忙看几行命令

*do,i,1,4
antype,trans,rest,i,last,continue
ldread,temp,i,last,,2,'trial 2-Rect','rth',''
r=mod(i,2)
*if,r,eq,1,then
time,2
deltim,0.1,0.1.0.2
SFL,P51X,CONV,15000, ,30,
!sfl,7,conv,15000,30
solve
*else
time,1
deltim,0.05,0.05,0.08
SFL,P51X,CONV,8620, ,800,
!sfl,7,conv,8620,800
solve
*endif
为什么if语句下面的命令不能被执行，只有else里面的命令能正常运行