koa-onerror
v4.0.0 koa middleware error
test
NODE_ENV=development egg-bin test test-cov
NODE_ENV=development egg-bin cov ci
npm run lint && npm run test-cov lint
eslint test *.js --fix NODE_ENV=development egg-bin test NODE_ENV=development egg-bin cov npm run lint && npm run test-cov eslint test *.js --fix 
