'?id=' + ${originSubject.id}">
                <i class="fas fa-fw fa-folder"></i>
                <span>知识清单</span></a>
        </li>

        <li class="nav-item">
            <a class="nav-link" th:href="@{exercise/recommend} + '?id=' + ${originSubject.id}">
                <i class="fas fa-fw fa-table"></i>
                <span>小试牛刀</span></a>
        </li>

        <li class="nav-item">
            <a class="nav-link" th:href="@{exercise/subjectAnswerConclude} + '?id=' + ${originSubjec