Running Homebrew as root is extremely dangerous and no longer supported.

Running Homebrew as root is extremely dangerous and no longer supported.
As Homebrew does not drop privileges on installation you would be giving all
build scripts full access to your system.

解决思路就是给当前用户添加目录权限：
如果用户名 是 123

sudo chown -R 123 /usr/local

如果用户名 是 a b c, 有空格

sudo chown -R "a b c" /usr/local
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