SQLyog连接数据库报错plugin caching_sha2_password could not be loaded

打开cmd：mysql -uroot -p 

进入mysql: use mysql

依次执行下面语句

ALTER USER 'root'@'localhost' IDENTIFIED BY '自己的密码' PASSWORD EXPIRE NEVER; #修改加密规则 

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '自己的密码'; #更新一下用户的密码