错误:2 https://proposed-packages.deepin.com/dde-nightly bullseye/main amd64 libavif9 amd64 0.8.4-2 404 Not Found [IP: 111.178.11.150 443] 错误:1 https://proposed-packages.deepin.com/dde-nightly dde-bullseye/main amd64 dde all 2022.02.10 404 Not Found [IP: 111.178.11.150 443]
可能是仓库有变动，不要用V23了，还是要用V20
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dde-cooperation – difficulty obtaining UOS Assistant (Android) 
错误:2 https://proposed-packages.deepin.com/dde-nightly bullseye/main amd64 libavif9 amd64 0.8.4-2
404 Not Found [IP: 111.178.11.150 443]
错误:1 https://proposed-packages.deepin.com/dde-nightly dde-bullseye/main amd64 dde all 2022.02.10
404 Not Found [IP: 111.178.11.150 443]