Drupal的模块和主题可以通过composer进行更新，具体命令如下：

场景1：更新core, 所有modules和theme

composer update "drupal/*" --with-all-dependencies
drush updatedb
drush cache:rebuild

场景2：列出需要更新的模块，并更新指定模块

composer outdated "drupal/*"
composer update drupal/modulename --with-all-dependencies
drush updatedb
drush cache:rebuild
drush config:export --diff