modal fade not showing,using vuetify, vue js , axios - vue.js

Question

My system does not show the modal fade when I click on the button I don't know what to do anymore I'm using vuetify , vue js , and axios in the project follow the code section below
<div
ref="modal"
class="modal show"
:class="{show}"
tabindex="-1"
role="dialog"
>
<div class="modal-dialog modal-lg" role="document">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title">Criação de Marca</h5>
<button
type="button"
class="close"
data-dismiss="modal"
aria-label="Close"
#click="criarMarca"
>
<span aria-hidden="true">×</span>
</button>
</div>
<div class="modal-body">
<form v-on:submit.prevent="cadastroMarca">
<div class="mb-3">
<label for="formName" class="form-label">Nome</label>
<input class="form-control" type="text" v-model="Marca" id="marca">
</div>
<div class="mb-3">
<button type="submit" class="btn btn-primary pull-right">Cadastrar</button>
</div>
</form>
</div>
</div>
</div>
</div>
I already tried to reinstall the node module, I already changed it for modal-dialog, then when I change it for modal-dialog it appears more static, I would like to know if anyone has had this problem, if so, what is the way to solve it