          </div>
                    <div class="panel-body">
                        <form action="" method="POST" role="form">
                            <fieldset>
                                {% csrf_token %}
                                <div class="form-group">
                                    <input class="form-control" placeholder="用户名" name="username" type="text" autofocus>
                                </div>
                                <div class="form-group">
      