ERROR in ./src/index.js Module not found: Error: Can't resolve 'babel-runtime/helpers/classCallCheck

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ERROR in ./src/index.js
Module not found: Error: Can't resolve 'babel-runtime/helpers/classCallCheck' in 'D:\vue-project\vue-4.x-study\src'
 @ ./src/index.js 3:23-70
 @ multi (webpack)-dev-server/client?http://localhost:8888 (webpack)/hot/dev-server.js ./src/index.js

在使用babel处理Js文件的时候遇到这个错误，后来重新安装了

babel-runtime就解决了。。。神奇的Vue