你可以加入\'post_submitbox_misc_actions\' 或\'post_submitbox_start\':

add_action( \'post_submitbox_misc_actions\', \'wpse_45720_submitdiv_extra\' );
add_action( \'post_submitbox_start\', \'wpse_45720_submitdiv_extra\' );

function wpse_45720_submitdiv_extra()
{
    print \'<pre>\' . current_filter() . \'</pre>\';
}