message: Update package.json
  fixed "start-main-dev": "cross-env HOT=1 , should be START_HOT
diff: "preinstall": "node ./internals/scripts/CheckYarn.js",
  "prestart": "yarn build",
  "start": "cross-env NODE_ENV=production electron ./app/main.prod.js",
  - "start-main-dev": "cross-env HOT=1 NODE_ENV=development electron -r @babel/register ./app/main.dev.js",
  + "start-main-dev": "cross-env START_HOT=1 NODE_ENV=development electron -r @babel/register ./app/main.dev.js",
  "start-renderer-dev": "cross-env NODE_ENV=development webpack-dev-server --config configs/webpack.config.renderer.dev.babel.js",
  "test": "cross-env NODE_ENV=test BABEL_DISABLE_CACHE=1 jest",
  "test-all": "yarn lint && yarn flow && yarn build && yarn test && yarn build-e2e && yarn test-e2e",
  