mysql版本：8.0.20
node 连接mysq报错信息：Client does not support authentication protocol requested by server; consider upgrading MySQL client，
解决方法：
mac终端进入mysql，打开终端输入：/usr/local/MySQL/bin/mysql -u root -p
输入：ALTER USER 'root'@'localhost'IDENTIFIED WITH mysql_native_password BY 'your password';(注意：分号要带上)
在输入：FLUSH PRIVILEGES;(注意：分号要带上)
