“C:\Program Files\JetBrains\RubyMine 2017.1.5\bin\runnerw.exe” C:\RailsInstaller\Ruby2.3.0\bin\ruby.exe -e $stdout.sync=true;$stderr.sync=true;load($0=ARGV.shift) C:/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/ruby-debug-ide-0.6.1.beta4/bin/rdebug-ide –disable-int-handler –evaluation-timeout 10 –rubymine-protocol-extensions –port 63982 –host 0.0.0.0 –dispatcher-port 63983 — D:/RubymineProjects/WebApi/bin/rails server -b 127.0.0.1 -p 3000 -e development
Fast Debugger (ruby-debug-ide 0.6.1.beta4, debase 0.2.2.beta9, file filtering is supported) listens on 0.0.0.0:63982
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根据上述的提示，Ruby的调试，需要依赖ruby-debug-ide和debase这两个组件。
按版本安装它，操作如下：

gem install ruby-debug -v 0.6.1.beta4
gem install debase -v 0.2.2.beta9