orm-control" placeholder="搜索...">
                    <span class="input-group-btn">
                        <button type="submit" name="search" id="search-btn" class="btn btn-flat"><i
                                class="fa fa-search"></i>
                        </button>
                    </span>
                </div>
            </form>
            <ul class="sidebar-menu">
                <li class="header">管理菜单</li>
                <li class="treeview">
                    <a href="#"