➜ ~ sudo apt update
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[sudo] widon 的密码：
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命中:1 http://dl.google.com/linux/chrome/deb stable InRelease
命中:2 https://cdn-package-store6.deepin.com/appstore eagle InRelease
命中:3 https://community-packages.deepin.com/deepin apricot InRelease
命中:4 https://community-packages.deepin.com/printer eagle InRelease
正在读取软件包列表... 完成
正在分析软件包的依赖关系树
正在读取状态信息... 完成
有 2 个软件包可以升级。请执行 ‘apt list --upgradable’ 来查看它们。
W: http://dl.google.com/linux/chrome/deb/dists/stable/InRelease: The key(s) in the keyring /etc/apt/trusted.gpg.d/appstore.gpg are ignored as the file has an unsupported filetype.
W: https://cdn-package-store6.deepin.com/appstore/dists/eagle/InRelease: The key(s) in the keyring /etc/apt/trusted.gpg.d/appstore.gpg are ignored as the file has an unsupported filetype.
W: https://community-packages.deepin.com/deepin/dists/apricot/InRelease: The key(s) in the keyring /etc/apt/trusted.gpg.d/appstore.gpg are ignored as the file has an unsupported filetype.
W: https://community-packages.deepin.com/printer/dists/eagle/InRelease: The key(s) in the keyring /etc/apt/trusted.gpg.d/appstore.gpg are ignored as the file has an unsupported filetype.

这4个警告是什么意思啊，我觉得是哪里出问题了才报这些警告