vue router prefix #

[kengketa]

Hi everyone
I have a problem about vue router prefix which contain # on the route.
I need to integrate with a call back service which only allow url without#
how do I get rid of # prefix ?

eg.
http://localhost:8080/#/

http://localhost:8080/?code=VhLquPYa70tCmdvdoW87hm&state=638700c043d95e002feaeed0#/

I can not get the params from the route