             </li>
                  <!-- end task item -->
                </ul>
              </li>
              <li class="footer">
                <a href="#">查看所有任务</a>
              </li>
            </ul>
          </li>
          <!-- User Account: style can be found in dropdown.less -->
          <li class="dropdown user user-menu">
            <a href="#" class="dropdown-toggle" data-toggle="dropdown">
              <img src="../../dist/img/user2-160x160.jpg" class="user-image" alt="U