D:/SofeWare/Ruby26-x64/lib/ruby/gems/2.6.0/gems/webpacker-4.0.7/lib/webpacker/configuration.rb:91:in `rescue in load': Webpacker configuration file not found E:/ruby/0910/blog/config/webpacker.yml. Please run rails webpacker:install Error: No such file or directory @ rb_sysopen - E:/ruby/0910/blog/config/webpacker.yml (RuntimeError)
运行
bundle exec rails webpacker:install
便可解决。