今天重装了系统，装了高版本的mysql，是node koa sequelize连接mysql时的项目，结果运行报错了如图
解决办法，进入mysql，输入
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '自己的密码';
原因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
MYSQL：ER_NOT_SUPPORTED_AUTH_MODE:Client does not support authentication protocol
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