Keep the default settings. Messages will be removed from the server 14 days after download, so you will need to either stay on beta, or learn how to move your POP data back to the release profile.
保留默认设置。消息将在下载 14 天后从服务器上删除，这样您就需要继续使用测试版，或者了解如何将 POP 数据移回正式版的配置文件中。