                               <i class="fa fa-chevron-up"></i>
                                </a>
                                <a class="dropdown-toggle" data-toggle="dropdown" href="javascript:;">
                                    <i class="fa fa-wrench"></i>
                                </a>
                                <ul class="dropdown-menu dropdown-user">
                                    <li><a href="javascript:;">选项1</a>
                                    </li>
        