发生这种情况是因为您错过了命令:

This happens because you missed the command:

rails generate devise:install

您只需要临时评论所有设计行(在 routes.rb/user.rb 中)就不会被加薪.
并再次运行命令.

You need just comment all devise lines temporally (in routes.rb / user.rb) to not get raise.
And run command again.