npm init -y
tsc --init
npm uninstall ts-node -g
npm install -D ts-node
npm install typescript -D
npm install superagent --save
npm install -D @types/superagent
npm install cheerio --save
npm run dev
#npm 换源
npm config set registry https://registry.npm.taobao.org
npm config get registry
$ https://registry.npmjs.org/