Question shop category tab not shown

hello
i have problem with category tab
all category are set to active but in vbshop mainpage there display only one category
and when click on 'next' for more items ,some category has show up ?!
i don't know if this about some bugs or something about my setting

please help

thank you

This is due to how pagination works.

We will be changing it in a future version, but for now it's working as intended.