1.查詢當前配置的鏡像
npm get registtry 或 yarn get registtry
https://registry.npmjs.org/
2.設置成淘寶鏡像
npm config set registry https://registry.npm.taobao.org/ 或 yarn config set registry https://registry.npm.taobao.org/
3.換成原來的
npm config set registry https://registry.npmjs.org/ 或 yarn config set registry https://registry.npmjs.org/