打卡判断，增加前端浏览器mac获取，当mac获取为空时不判断

LR-20210131IOQH\Administrator

2021-06-10 6f34ab1ed6f8cb79a012a30a7b687e362c6f16c2

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<script src="~/lib/jquery-validation/dist/jquery.validate.min.js"></script>
<script src="~/lib/jquery-validation-unobtrusive/jquery.validate.unobtrusive.min.js"></script>