plugin caching_sha2_password could not be loaded

参考连接：

https://blog.csdn.net/qq_54202620/article/details/122729704

https://blog.csdn.net/qq_45214414/article/details/115284609

 navicate可以连接，但是SQLyog不行，可直接在Navicat中执行以下命令

ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY '1234';