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1. Win10 x64 rubyinstaller-devkit-2.5.5-1-x64.exe DevKit-mingw64-64-4.7.2-20130224-1432-sfx.exe RubyMine-2019.2.exe
下载地址:https://rubyinstaller.org/ ,用最新的rubyinstaller-devkit-2.6.3-1-x64.exe,RubyMine不能下断点调试

2. 在DevKit-mingw64-64-4.7.2-20130224-1432-sfx的解压目录下,输入命令ruby dk.rb init

3. 修改config.yml文件,在最后加上:
- G:\soft\Ruby
- G:\soft\Ruby

4. 输入命令ruby dk.rb install