node install
git clone --depth 1 https://github.com/hexojs/hexo-theme-landscape themes/landscape

hexo server 

git@github.com: Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.
FATAL {
       err: Error: Spawn failed
       at ChildProcess.<anonymous> (/Users/Aaron/Documents/code/github/wansongblog/node_modules/hexo-deployer-git/node_modules/hexo-util/lib/spawn.js:51:21)
       at ChildProcess.emit (node:events:390:28)
       at Process.ChildProcess._handle.onexit (node:internal/child_process:290:12) {
       code: 128
    }
} 
Something's wrong. Maybe you can find the solution here: %s https://hexo.io/docs/troubleshooting.html

➜  wansongblog git:(master) ✗ which hexo
/usr/local/bin/hexo
➜  wansongblog git:(master) ✗ ll /usr/local/bin/hexo
lrwxr-xr-x  1 root  wheel  37 Sep  4 05:24 /usr/local/bin/hexo -> ../lib/node_modules/hexo-cli/bin/hexo
➜  wansongblog git:(master) ✗ cd  /usr/local/bin/
➜  bin cd ../lib/node_modules
➜  node_modules sudo chmod -R 777 hexo-cli