1.打開mysql cmd
2.執行語句
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 '123fzw'; #重置密碼