Optimize click event, add tapmode="selected"
jump speed to speed up
<footer class="aui-bar aui-bar-tab" id="footer">
<div class="aui-bar-tab-item aui-active" tapmode="selected" onclick=“change()” >
<i class="aui-iconfont aui-icon-home"></i>
<div class="aui-bar-tab-label">首页</div>
</footer>