Navicat 链接mysql 显示 Clinet dose not support authentication protocol request by server ;consider upgrading MySQL client

2 更改加密方式 

mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'password' PASSWORD EXPIRE NEVER;

Query OK, 0 rows affected (0.10 sec)

3 更改密码

mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '123';

Query OK, 0 rows affected (0.35 sec)

 这个密码是navicat链接mysql 的密码

4刷新

mysql> FLUSH PRIVILEGES;

Query OK, 0 rows affected (0.28 sec)