打開cmd:mysql -uroot -p
進入mysql依次執行下面語句
ALTER USER 'root'@'localhost' IDENTIFIED BY 'password' PASSWORD EXPIRE NEVER; #修改加密規則
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password'; #更新一下用戶的密碼
FLUSH PRIVILEGES; #刷新權限
alter user 'root'@'localhost' identified by '666666';#重置密碼,666666就是變更后的密碼,自己的密碼自己更改下哦