在设定时间到期之后，数据会被加密并任何人永久不得阅读，甚至于消息创建者本人。

After the specified time limit, the data will be encrypted, making them permanently unreadable to anyone, including the original author of the message.

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这些标记称为EXIF元数据，是为了说明照片的曝光度和光圈设定，有的相机还会显示GPS信息，当然，还有拍照的时间和日期。

These tags, called EXIF metadata, specify things like the exposure and f-stop settings, gps information if your camera has it, and, of course, the time and date the photo was taken.

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解决方法：Alloy侧边栏面板中的数据会根据管理员设定的时间安排自动刷新。

Resolution: the data in the Alloy sidebar panel is automatically refreshed based on a schedule set by the administrator.

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