报错：
WARNING in asset size limit: The following asset(s) exceed the recommended size limit (244 KiB).
This can impact web performance.
Assets:
bundle.js (1.55 MiB)
WARNING in entrypoint size limit: The following entrypoint(s) combined asset size exceeds the recommended limit (244 KiB). This can impact web performance.
Entrypoints:
main (1.55 MiB)
bundle.js
解决：
在webpack配置文件“webpack.config.js”中添加：
performance: { hints: false }