报错警告提醒，更新nvm的解决步骤

vue-loader版本太低了

vue3用的vue-loader版本，起码是17版本

删除原有的vue-loader：npm uninstall vue-loader -D

PS C:\Users\彩珍\Desktop\project\vue3.5+echarts5\vue3.2> npm uninstall vue-loader -D

up to date in 9s

164 packages are looking for funding
  run `npm fund` for details

新增加vue-loader vue-template-compiler：

npm install vue-loader vue-template-compiler --save-dev
PS C:\Users\彩珍\Desktop\project\vue3.5+echarts5\vue3.2> npm install vue-loader vue-template-compiler --save-dev
>>

added 9 packages, removed 3 packages, and changed 1 package in 4s

164 packages are looking for funding
  run `npm fund` for details

PS C:\Users\彩珍\Desktop\project\vue3.5+echarts5\vue3.2> npm i 

up to date in 2s

164 packages are looking for funding
  run `npm fund` for details