 <div class="title">tap</div>
        <div class="imgBox pb6">
            <div class=" longTapBox" id="tapBox">
                <img  src="asset/test.png" />
                <div class="overlay2" id="overlay2">
                    <img src="asset/yes.png"/>
                </div>
            </div>
        </div>
    </div>
    <div class="footer">
       <div> <a class="btn" href="http://alloyteam.github.io/AlloyFinger/example/picture/">综合例子→</a></div>
    </div>
    <script src="as