我使用 capistrano 将我的 rails 应用程序部署到 digitalocean，gem 'devise_token_auth', '1.0.0'在部署后添加新 gem 后，我在 unicorn log 中遇到了奇怪的问题。它在下面
E, [2019-05-09T17:49:37.285001 #19550] ERROR -- : uninitialized constant Devise (NameError)
/home/deploy/www/smole-app-back/shared/bundle/ruby/2.5.0/gems/bootsnap-1.4.2/lib/bootsnap/load_path_cache/core_ext/active_support.rb:79:in `block in load_missing_constant'
/home/deploy/www/smole-app-back/shared/bundle/ruby/2.5.0/gems/bootsnap-1.4.2/lib/bootsnap/load_path_cache/core_ext/active_support.rb:8:in `without_bootsnap_cache'
/home/deploy/www/smole-app-back/shared/bundle/ruby/2.5.0/gems/bootsnap-1.4.2/lib/bootsnap/load_path_cache/core_ext/active_support.rb:79:in `rescue in load_missing_constant'
/home/deploy/www/smole-app-back/shared/bundle/ruby/2.5.0/gems/bootsnap-1.4.2/lib/bootsnap/load_path_cache/core_ext/active_support.rb:58:in `load_missing_constant'
/home/deploy/www/smole-app-back/releases/20190509174241/config/initializers/devise.rb:1:in `<main>'
/home/deploy/www/smole-app-back/shared/bundle/ruby/2.5.0/gems/bootsnap-1.4.2/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:54:in `load'
/home/deploy/www/smole-app-back/shared/bundle/ruby/2.5.0/gems/bootsnap-1.4.2/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:54:in `load'
/home/deploy/www/smole-app-back/shared/bundle/ruby/2.5.0/gems/railties-我从 2013链接中发现了同样的问题，但答案不清楚，有人可以帮助我吗？
独角兽 - 5.5.0 捆绑器 1.16.0 红宝石 2.5.3