The project is built with Vue scaffold

As shown in the figure:

According to the prompt in the red box in the figure:

I need you in. Babelrc   Just add @ Vue/Babel preset JSX to the configuration file

{
  "presets": [
    ["@babel/preset-env", { "modules": false }],
    "@vue/babel-preset-jsx" 
  ],
  "plugins": [
    "@babel/plugin-proposal-class-properties", 
    "syntax-dynamic-import",
    [
      "component",
      {
        "libraryName": "element-ui",
        "styleLibraryName": "theme-chalk"
      }
    ]
  ]

}

The problem has been solved.