解决腾讯云的公钥问题

https://cloud.tencent.com/developer/article/2076348

就是添加钥匙

$ sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys '7EA0A9C3F273FCD8' Executing: /tmp/apt-key-gpghome.VIv8eLEwb3/gpg.1.sh --keyserver keyserver.ubuntu.com --recv-keys 7EA0A9C3F273FCD8 gpg: key 8D81803C0EBFCD88: 9 signatures not checked due to missing keys gpg: key 8D81803C0EBFCD88: public key "Docker Release (CE deb) <docker@docker.com>" imported gpg: Total number processed: 1 gpg:              imported: 1