<script>
    window.onload = function() {
        new Valine({
            av: AV, // source from av-min.js
            el: '.comment',
            app_id: "<%= theme.comment.valine_leancloud_appId %>",
            app_key: "<%= theme.comment.valine_leancloud_appKey %>",
            placeholder: 'ヾﾉ≧∀≦)o来啊，快活啊!'
        });
    }
</script>