重新更新一次，已经推送了

➜ ~ sudo apt update
命中:1 http://dl.google.com/linux/chrome/deb stable InRelease
命中:2 https://community-packages.deepin.com/deepin apricot InRelease
命中:3 https://cdn-package-store6.deepin.com/appstore eagle InRelease
命中:4 https://community-packages.deepin.com/printer eagle InRelease
命中:5 https://dl.winehq.org/wine-builds/debian stretch 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 4 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://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://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/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.
W: https://dl.winehq.org/wine-builds/debian/dists/stretch/InRelease: The key(s) in the keyring /etc/apt/trusted.gpg.d/appstore.gpg are ignored as the file has an unsupported filetype.
➜ ~ sudo apt upgrade
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
正在计算更新... 完成
下列软件包的版本将保持不变：
dde-qt5integration netease-cloud-music
下列软件包将被升级：
dde-dock dde-dock-onboard-plugin
升级了 2 个软件包，新安装了 0 个软件包，要卸载 0 个软件包，有 2 个软件包未被升级。
需要下载 952 kB 的归档。
解压缩后会消耗 4,096 B 的额外空间。
您希望继续执行吗？ [Y/n] y
错误:1 https://community-packages.deepin.com/deepin apricot/main amd64 dde-dock amd64 5.3.0.54-1
404 Not Found [IP: 58.51.151.5 443]
错误:2 https://community-packages.deepin.com/deepin apricot/main amd64 dde-dock-onboard-plugin amd64 5.3.0.54-1
404 Not Found [IP: 58.51.151.5 443]
E: 无法下载 https://community-packages.deepin.com/deepin/pool/main/d/dde-dock/dde-dock_5.3.0.54-1_amd64.deb 404 Not Found [IP: 58.51.151.5 443]
E: 无法下载 https://community-packages.deepin.com/deepin/pool/main/d/dde-dock/dde-dock-onboard-plugin_5.3.0.54-1_amd64.deb 404 Not Found [IP: 58.51.151.5 443]
E: 有几个软件包无法下载，要不运行 apt-get update 或者加上 --fix-missing 的选项再试试？

应该是没有同步完全，删掉第三方源再试试

跟第三方源没有关系啊，希望deepin那边查一下，升级怎么老是出问题

我也是同样的问题，而且任务栏显示不出来

列软件包是自动安装的并且现在不需要了：
  deepin-elf-sign-tool libddcutil0 libpoppler-qt5-1 libqt5webkit5 linux-compiler-gcc-8-x86
  linux-headers-5.3.0-3-amd64 linux-headers-5.3.0-3-common linux-image-5.3.0-3-amd64-unsigned
  linux-kbuild-5.3 phantomjs python3-pyxattr rtmpdump youtube-dl
使用'sudo apt autoremove'来卸载它(它们)。
下列软件包将被升级：
  dde-dock dde-dock-onboard-plugin
升级了 2 个软件包，新安装了 0 个软件包，要卸载 0 个软件包，有 0 个软件包未被升级。
需要下载 952 kB 的归档。
解压缩后会消耗 4,096 B 的额外空间。
您希望继续执行吗？ [Y/n] Y
错误:1 https://community-packages.deepin.com/deepin apricot/main amd64 dde-dock amd64 5.3.0.54-1
  404  Not Found [IP: 58.51.151.5 443]
错误:2 https://community-packages.deepin.com/deepin apricot/main amd64 dde-dock-onboard-plugin amd64 5.3.0.54-1
  404  Not Found [IP: 58.51.151.5 443]
E: 无法下载 https://community-packages.deepin.com/deepin/pool/main/d/dde-dock/dde-dock_5.3.0.54-1_amd64.deb  404  Not Found [IP: 58.51.151.5 443]
E: 无法下载 https://community-packages.deepin.com/deepin/pool/main/d/dde-dock/dde-dock-onboard-plugin_5.3.0.54-1_amd64.deb  404  Not Found [IP: 58.51.151.5 443]
E: 有几个软件包无法下载，要不运行 apt-get update 或者加上 --fix-missing 的选项再试试？