This question already has an answer here:
I've got the glyphicons in my page, but they are black. How do I set the glyphicons to white?
You can just create your own .white class and add it to the glyphicon element.
.white, .white a {
color: #fff;
}
<i class="glyphicon glyphicon-home white"></i>
来源：https://stackoverflow.com/questions/18070322/how-do-i-change-bootstrap-3s-glyphicons-to-white