打开终端

查看pip3 和 python3地址

ahxin@AhxindeMacBook-Pro ~ % which pip3
/Library/Frameworks/Python.framework/Versions/3.11/bin/pip3
ahxin@AhxindeMacBook-Pro ~ % which python3
/Library/Frameworks/Python.framework/Versions/3.11/bin/python3

打开系统环境变量

open ~/.bash_profile  

添加环境：

# Python 
alias python="/Library/Frameworks/Python.framework/Versions/3.11/bin/python3"
alias pip="/Library/Frameworks/Python.framework/Versions/3.11/bin/pip3"

应用环境变量

source ~/.bash_profile