nix-channel --add url suffix contained @, nix-channel --update failed. error: store path 'xxx-xx@xx' contains illegal character '@'

[rectcircle]

Describe the bug

nix-channel --add url. if the url suffix contained @, nix-channel --update will failed.
error: store path 'xxx-xx@xx' contains illegal character '@'

Steps To Reproduce

 nix-channel --add https://mirrors.tuna.tsinghua.edu.cn/nix-channels/releases/nixos-24.05@nixos-24.05.675.805a384895c6 nixpkgs_24_05
nix-channel --update                                                                    

output

error: store path 'gr8119vlig821i7hblsdx3kv7dbkzry5-nixos-24.05@nixos-24.05.675.805a384895c6' contains illegal character '@'

Expected behavior

success

nix-env --version output

nix-env (Nix) 2.22.1

Additional context

Add any other context about the problem here.

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