                      </li>
                        </ul>
                    </div>
                </div>
                <div class="ibox-content">

                    <form id="dispatch_task_add_form" name="dispatch_task_add_form" method="post" class="form-horizontal"
                          action="">

                        <div class="form-group">
                            <label class="col-sm-2 control-label">运算符</label>
                            <div class="col-sm-10">
               