vr-shopxo-source/app/admin/view/default/public/admin_nav.html

{{if !empty($module_data['title']) and !empty($module_data['back_url'])}}
    <legend>
        <a href="{{$module_data.back_url}}" class="am-text-lg">
            <i class="iconfont icon-back"></i>
        </a>
        <em class="form-nav-top-retreat-ds am-color-grey-light am-text-xs am-margin-horizontal-sm">|</em>
        <span class="am-text-sm am-font-weight">{{$module_data.title}}</span>
    </legend>
{{/if}}