看是zsh还是bash
echo $SHELLzsh

配置到~/.zshrc 文件
vim  ~/.zshrc
export PYENV_ROOT="$HOME/.pyenv"
command -v pyenv >/dev/null || export PATH="$PYENV_ROOT/bin:$PATH"执行
 source ~/.zshrcbash

vim ~/.bashrc
export PYENV_ROOT="$HOME/.pyenv"
command -v pyenv >/dev/null || export PATH="$PYENV_ROOT/bin:$PATH"
source ~/.bashrc参考: