解决此问题有两种方法，一种是更新navicat驱动来解决此问题，一种是将mysql用户登录的加密规则修改为mysql_native_password。本文采用第二种方式ALTER USER 'root'@'localhost' IDENTIFIED BY 'password' PASSWORD EXPIRE NEVER; #修改加密规则
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password'; #更新一下用户的密码
FLUSH PRIVILEGES; #刷新权限