ios16.4系统mui picker选择器有遮挡问题

解决方案：将mui.picker.css文件

.mui-picker-inner {
position: relative;
width: 100%;
height: 100%;
/ 16.4及以上注释 /
/ -webkit-mask-box-image: -webkit-linear-gradient(bottom, transparent, transparent 5%, #fff 20%, #fff 80%, transparent 95%, transparent);
-webkit-mask-box-image: linear-gradient(top, transparent, transparent 5%, #fff 20%, #fff 80%, transparent 95%, transparent) /
}