CentOS 7 使用ror出现的问题

`instance_exec' 12: from /usr/local/lib/ruby/gems/2.7.0/gems/webpacker-4.3.0/lib/webpacker/railtie.rb `instance_exec' 11: from /usr/local/lib/ruby/gems/2.7.0/gems/webpacker-4.3.0/lib/webpacker/railtie.rb