Mac 终端命令失效 zsh: command not found

1.PATH=/bin:/usr/bin:/usr/local/bin:${PATH}

2.export PATH

3.open .bash_profile

4.下面内容复制到.bash_profile  文件

PATH=/bin:/usr/bin:/usr/local/bin:${PATH}
export PATH

5.source .bash_profile

以上操作完后重新打开终端，输入命令即可