avascript:;" id="lockScreen"><i class="fa fa-lock"></i> 锁屏</a></li>
	                <li><a data-toggle="tooltip" data-trigger="hover" data-placement="bottom" title="全屏显示" href="javascript:;" id="fullScreen"><i class="fa fa-arrows-alt"></i> 全屏</a></li>
                    <li class="dropdown user-menu">
						<a href="javascript:void(0)" class="dropdown-toggle" data-hover="dropdown">
							<img th:src="(${#strings.isEmpty(user.avatar)}) ? @{/img/profile.jpg} : @{${user.avatar}}" th:oner