neiyou_user_web/resources/views/components/alert.blade.php

<div {{ $attributes->merge(['class' => 'alert  alert-dismissible alert-'.$type]) }} role="alert">
    <button class="close" data-dismiss="alert" aria-label="Close">
        <span aria-hidden="true">&times;</span><span class="sr-only">{{trans('home.close')}}</span>
    </button>
    {!! $message !!}
</div>