//建立我需要的 field_order_serial if(!field_info_field('field_order_serial')){ $field = array( 'field_name' => 'field_order_serial', 'type' => 'text', ); field_create_field($field); // Create the instance on the Commerce Order. $instance = array( 'field_name' => 'field_order_serial', 'entity_type' => 'commerce_order', 'label' => t('Order