How to access vue site from / in our frappe bench using frappe ui


Recently i create a site in vue.js using frappe ui. but i am not able to show this in / .

ex: my site domain is so, i am not able to show vue site here,
all time i need to write in url is : or other path to show vue site

in my case:
when i specify : then i able to vue site

so any idea how can i directly run vue site on / using frappe ui.