About apt-key related issues in Tencent Cloud server debian 12 system

[Xiwin]

uname -a

Linux VM-0-9-debian 6.1.0-13-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.55-1 (2023-09-29) x86_64 GNU/Linux

apt version is 2.6.1

In the RPM/DEB script install code line 251::

$SUDO apt-key add /tmp/zt-gpg-key

A GPG is added here using apt-key, but the following prompts appear in a subsequent installation：

The key(s) in the keyring /etc/apt/trusted.gpg.d/zerotier-debian-package-key.gpg are ignored as the file is not readable by user '_apt' executing apt-key.

After being diagnosed，/etc/apt/trusts.gpg.d/zerotier-debian-package-key.gpg certificate authority error,

-rw-r----- 1 root root  2254 Feb  4 12:45 zerotier-debian-package-key.gpg

The following are the fixed permissions

-rw-r--r-- 1 root root  2254 Feb  4 12:47 zerotier-debian-package-key.gpg

I don't know why, but it was easy, you know