您可以这样做：（从手机应答。如果标记被破坏，请原谅）

add_filter( \'default_content\', \'preloaded_editor_content\', 10, 2 );

function preloaded_editor_content( $content, $post ) {

    switch( $post->post_type ) {
        case \'your_post_type\':
            $content = \'your content\';
        break;
        default:
            $content = \'your default content\';
        break;
    }

    return $content;
}