the project created by default scaffolding cannot be used in low-level browsers after packaging. It is found that the es6 code of vendor has not been converted
babel.config.js
module.exports = {
presets: [
"@vue/app"
]
} as shown in the figure,
the environmental background of the problems and what methods you have tried
related codes
/ / Please paste the code text below (do not replace the code with pictures)