我已经尝试过旧问题中发布的所有方法，例如添加 from ubuntu.keyserver， using gpg， fromhkp://pool.sks-keyservers.net:80等，任何想法¿？
gpg:
gpg --recv-keys 0E61D3BBAAEE37FE
gpg: recepción del servidor de claves fallida: No data
ubuntu 密钥服务器：
Executing: /tmp/apt-key-gpghome.zPtWaE6tzD/gpg.1.sh --keyserver keyserver.ubuntu.com --recv-keys 0E61D3BBAAEE37FE
gpg: recepción del servidor de claves fallida: No data
pool.sks 密钥服务器：
sudo apt-key adv --keyserver hkp://pool.sks-keyservers.net:80 --recv-keys 0E61D3BBAAEE37FE
Warning: apt-key is deprecated. Manage keyring files in trusted.gpg.d instead (see apt-key(8)).
Executing: /tmp/apt-key-gpghome.qLLaSgFMSM/gpg.1.sh --keyserver hkp://pool.sks-keyservers.net:80 --recv-keys 0E61D3BBAAEE37FE
gpg: recepción del servidor de claves fallida: Server indicated a failure