It needs to be used in the project recently sass, install sass-loader An error occurred after :

INFO  Starting development server...
 ERROR  Error: Rule can only have one resource source (provided resource and
test + include + exclude) in {
  "exclude": [
    null
  ],
  "use": [
    {
      "loader":
"D:\\zenos\\study-vue1\\node_modules\\cache-loader\\dist\\cjs.js",
      "options": {
        "cacheDirectory":
"D:\\zenos\\study-vue1\\node_modules\\.cache\\babel-loader",
        "cacheIdentifier": "55e5131a"
      },
      "ident": "clonedRuleSet-38[0].rules[0].use[0]"
    },
    {
      "loader":
"D:\\zenos\\study-vue1\\node_modules\\babel-loader\\lib\\index.js",
      "options": "undefined",
      "ident": "undefined"
    }
  ]
}
Error: Rule can only have one resource source (provided resource and test +
include + exclude) in {
  "exclude": [
    null
  ],
  "use": [
    {
      "loader":
"D:\\zenos\\study-vue1\\node_modules\\cache-loader\\dist\\cjs.js",
      "options": {
        "cacheDirectory":
"D:\\zenos\\study-vue1\\node_modules\\.cache\\babel-loader",
        "cacheIdentifier": "55e5131a"
      },
      "ident": "clonedRuleSet-38[0].rules[0].use[0]"
    },
    {
      "loader":
"D:\\zenos\\study-vue1\\node_modules\\babel-loader\\lib\\index.js",
      "options": "undefined",
      "ident": "undefined"
    }
  ]
}

The possible reason is the default sass perhaps webpack The version is too high , This leads to incompatibility , Uninstall the previous higher version , Just install the lower version

Uninstall the current version sass-loader command :npm uninstall sass-loader 

Install a lower version of sass-loader command :npm install sass-loader@7.3.1 --save-dev

( Installation required node-sass In my words :npm install node-sass --save)

If not :

Uninstall the current version webpack command :npm uninstall webpack

Install a lower version of webpack command :npm install webpack@^4.0.0 --save-dev

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