<div xmlns:th="https://www.thymeleaf.org" th:fragment="widget (hide)" th:class="'card widget notice ' + ${hide} + ' is-hidden-all'"> <div class="card-title"> <i class="ri-volume-up-line card-title-label"></i><span>公告</span> </div> <div class="card-content"> <div th:utext="${#strings.isEmpty(theme.config.sidebar.notice_content)? '<p>  欢迎来访' + site.title + ',博主还没有发布任何公告!</p>' : theme.config.sidebar.notice_content}"></div> </div> </div>