if $system_content != @{"status":"succ","head":["name","created_time","ntables","vgroups","replica","days","keep1,keep2,keep(D)","maxtables","cache(MB)","blocks","minrows","maxrows","ctime(Sec.)","wallevel","comp","precision","status"],"data":[],"rows":0}@ then
if $system_content != @{"status":"succ","head":["name","created_time","ntables","vgroups","replica","days","keep1,keep2,keep(D)","cache(MB)","blocks","minrows","maxrows","wallevel","comp","precision","status"],"data":[],"rows":0}@ then