if $system_content != @{"status":"succ","head":["name","created time","ntables","vgroups","replica","days","keep1,keep2,keep(D)","tables","rows","cache(b)","ablocks","tblocks","ctime(s)","clog","comp","time precision","status"],"data":[],"rows":0}@ then
if $system_content != @{"status":"succ","head":["name","create time","ntables","vgroups","replica","days","keep1,keep2,keep(D)","tables","cache(MB)","blocks","minrows","maxrows","ctime(s)","clog","comp","precision","status"],"data":[],"rows":0}@ then