One of My Sub-Category is Not Show Out

any one please help me with one of my sub-category

when you visit my home page of ,you cant find any sub-category under category of "CCTV Power Supply",check below
but when you click "CCTV power supply",you will find 3 sub-categorys under it, click one of them ,then the left category sidebox show out its sub-categorys .Any one can tell me what
s the problem ?




it seems like not showing out at ream time, in this morning it works for me.

thanks for all your checking.