当我获得主菜单页面的子菜单时，保持侧面下拉菜单打开

Question

<ul class="navbar-nav">
    <li>
        <div class="dropdown mt-2">
            <a href="#pageSubmenu1" id="btn-mynumbers" data-toggle="collapse" aria-expanded="false" class="dropdown-toggle sidenav-label {% if url_name == 'trust_user_base' %}active1{% endif %}">Dashboard</a>
            <ul class="collapse list-unstyled" id="pageSubmenu1" style="background-color:white">
                <li><a href="{% url 'dashboard:trust_user_base'%}" class="{% if url_name == 'trust_user_base' %}active{% endif %}" style="font-size:12px;"><i class="fa fa-dashboard"></i> Dashboard</a></li>
            </ul>
        </div>
    </li>
    <li style="margin-top:-10px;">
        <div class="dropdown mt-2">
            <a href="#pageSubmenu2" data-toggle="collapse" aria-expanded="false" class="dropdown-toggle sidenav-label {% if url_name == 'create_e_money' or url_name == 'withdraw_e_money' or url_name == 'disburse_e_money' %}active1{% endif %}">Manage E Money</a>
            <ul class="collapse list-unstyled" id="pageSubmenu2" style="background-color:white">
                <li><a href="{% url 'trust_transactions:create_e_money'%}" class="{% if url_name == 'create_e_money' %}active{% endif %}" style="font-size:12px;"><i class="fa fa-money"></i> Create E Money</a></li>
                <li><a href="{% url 'trust_transactions:withdraw_e_money'%}" class="{% if url_name == 'withdraw_e_money' %}active{% endif %}" style="font-size:12px;"><i class="fas fa-money-bill-wave"></i> Withdraw E Money</a></li>
                <li><a href="{% url 'trust_transactions:disburse_e_money'%}" class="{% if url_name == 'disburse_e_money' %}active{% endif %}" style="font-size:12px;"><i class="fas fa-coins"></i> Disburse E Money</a></li>
                <li><a download href="{% static 'files/bulk_transaction.xlsx' %}" style="font-size:12px;"><i class="fa fa-file"></i> Bulk Transaction Template</a></li>
            </ul>
        </div>
    </li>
    <li style="margin-top:-10px;">
        <div class="dropdown mt-2">
            <a href="#pageSubmenu3" data-toggle="collapse" aria-expanded="false" class="dropdown-toggle  sidenav-label {% if url_name == 'transaction_report_e_money' %}active1{% endif %}">Report</a>
            <ul class="collapse list-unstyled" id="pageSubmenu3" style="background-color:white">
                <li><a href="{% url 'trust_transactions:transaction_report_e_money'%}" class="{% if url_name == 'transaction_report_e_money' %}active{% endif %}" style="font-size:12px;"><i class="fa fa-money"></i> Transaction Report</a></li>
            </ul>
        </div>
    </li>
    <li style="margin-top:-10px;">
        <div class="dropdown mt-2">
            <a href="#pageSubmenu4" data-toggle="collapse" aria-expanded="false" class="dropdown-toggle sidenav-label {% if url_name == 'change_transaction_pin' %}active1{% endif %}">Transaction Pin</a>
            <ul class="collapse list-unstyled" id="pageSubmenu4" style="background-color:white">
                <li><a href="{% url 'trust_account_users:change_transaction_pin'%}" class="{% if url_name == 'change_transaction_pin' %}active{% endif %}" style="font-size:12px;"><i class="fa fa-key"></i> Change Transaction Pin</a></li>
            </ul>
        </div>
    </li>
    <li style="margin-top:-10px;">
        <div class="dropdown mt-2">
            <a href="#pageSubmenu5" data-toggle="collapse" aria-expanded="false" class="dropdown-toggle sidenav-label {% if url_name == 'profile_edit' or url_name == 'change_password_nonadmin' %}active1{% endif %}">Profile</a>
            <ul class="collapse list-unstyled" id="pageSubmenu5" style="background-color:white">
                <li><a href="{% url 'trust_account_users:profile_edit'%}" class="{% if url_name == 'profile_edit' %}active{% endif %}" style="font-size:12px;"><i class="fa fa-user-circle-o"></i> My Profile</a></li>
                <li><a href="{% url 'accounts:change_password_nonadmin'%}" class="{% if url_name == 'change_password_nonadmin' %}active{% endif %}" style="font-size:12px;"><i class="fa fa-lock"></i> Change Password</a></li>
                {% if user.language == 1 %}
                    <li><a href="{% url 'accounts:convert_to_french' %}" class="{% if url_name == 'convert_to_french' %}active{% endif %}" style="font-size:12px;"><i class="fa fa-language" aria-hidden="true"></i> Language: French</a></li>
                    {% else %}
                    <li><a href="{% url 'accounts:convert_to_english' %}" class="{% if url_name == 'convert_to_english' %}active{% endif %}" style="font-size:12px;"><i class="fa fa-language" aria-hidden="true"></i> Language: English</a></li>
                    {% endif %}
            </ul>
        </div>[enter image description here][1]
    </li>
</ul>