安装plog1.01出现错误：

Exception message: mysql_connect(): Client does not support authentication protocol requested by server; consider upgrading MySQL client
Error code: 2
-- Backtrace --
D:\plog\class\database\adodb\drivers\adodb-mysql.inc.php(346): mysql_connect
D:\plog\class\database\adodb\adodb.inc.php(413): adodb_mysql._connect
D:\plog\wizard.php(659): adodb_mysql.connect
D:\plog\wizard.php(940): connectdb
D:\plog\class\controller\controller.class.php(305): wizardsteptwo.perform
D:\plog\wizard.php(1819): controller.process

Fatal error: Call to a member function on a non-object in D:\plog\wizard.php on line 941


我的mysql是4.12