@Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {
        return asHtml(path_AdminDict_AdminDictJsp).renderWith(data -> {
            final DictionaryFile<? extends DictionaryItem>[] dictFiles = dictionaryManager.getDictionaryFiles();
            RenderDataUtil.register(data, "dictFiles", dictFiles);
        });
    }