lass="fas fa-angle-down"></i></div>
                </a>
                <div class="collapse" id="collapseLayouts" aria-labelledby="headingOne" data-bs-parent="#sidenavAccordion">
                    <nav class="sb-sidenav-menu-nested nav">
                        <a class="nav-link" th:href="@{/user/toApplyClass}">报名选课</a>
                        <a class="nav-link" th:href="@{/user/toUserClass}">我的课程</a>
                    </nav>
                </div>

                <!--链接区域--