GIT WARNING: UNPROTECTED PRIVATE KEY FILE

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@         WARNING: UNPROTECTED PRIVATE KEY FILE!          @
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Permissions 0577 for '/Users/wang/.ssh/id_ed25519' are too open.
It is required that your private key files are NOT accessible by others.
This private key will be ignored.
Load key "/Users/wang/.ssh/id_ed25519": bad permissions
git@codeup.aliyun.com: Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

sudo: /etc/sudoers is world writable
sudo: no valid sudoers sources found, quitting
sudo: error initializing audit plugin sudoers_audit