上篇刚写了安装Mysql，想用Navicat去连接，然后就报错了，此处记录报错解决。
Navicat连接MySQL Server8.0版本时出现Client does not support authentication protocol requested by server；解决如下：
命令如下：
1、use mysql;
2、alter user 'root'@'localhost' identified with mysql_native_password by '********';
3、flush privileges;