Q：node 连接 mysql8.0+版本报错“ MYSQL：ER_NOT_SUPPORTED_AUTH_MODE:Client does not support authentication protocol ”
A：进入mysql；执行下面代码：
`
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '自己的密码';`
`
R:8.0mysql引入了caching_sha2_password模块作为默认身份验证插件，nodejs还没有跟进
