t.id}">
                <i class="fas fa-list fa-sm fa-fw mr-2 text-gray-400"></i>
                <span>作答记录</span></a>
        </li>

        <div th:if="${user.usertype} ne '1'">
            <li class="nav-item">
                <a class="nav-link" th:href="@{knowledge/subject/toModify} + '?id=' + ${originSubject.id}">
                    <i class="fas fa-fw fa-cog"></i>
                    <span>修改课程</span></a>
            </li>

            <li class="nav-item">
                <a class