应用上面的命令：
gitlab-rails console而后轻易玩吧
irb(main):037:0> Feature.enable(:feishu_integration)
WARNING: Understand the stability and security risks of enabling in-development features with feature flags.
See https://docs.gitlab.com/ee/administration/feature_flags.html#risks-when-enabling-features-still-in-development for more information.
=> true