所以，我一直在关注 ToDo List 以太坊 DApp 上的 Eat The Blocks 教程。完成第 6 步，但在运行命令时npm run dev-front出现此错误。
> Project@1.0.0 dev-front L:\Project
> ENV=development node_modules/.bin/webpack --watch
'ENV' is not recognized as an internal or external command,
operable program or batch file.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! Project@1.0.0 dev-front: `ENV=development node_modules/.bin/webpack --watch`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the Project@1.0.0 dev-front script.
npm ERR! This is probably not a problem with npm. There …