在使用wordpress建站的过程中，当我们开放了用户注册的功能，想要给不同的注册用户赋予不同的权限的时候，我们需要先了解一下wordpress默认的用户角色以及权限。
wordpress内置的角色和权限系统，首先将用户分为各个角色（Role），然后给各个角色分配一定的权限。wordpress通过这个内置的系统来验证特定的用户是否有足够的权限来进行某种动作。
@H_404_6@这篇wordpress教程里我们向大家介绍一下如何修改默认角色的名称。比如将默认的投稿者修改为贡献者，可以使用下面的代码来实现：
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