switch different mode to build application but no effect

[xiaolonggee]

Expected Behavior

use different mode to build the application can still functional

Actual Behavior

use --mode dev and ---mode prod is correct , but use --mode test is incorrect or invalid

Is an error being thrown?

yes

Steps to Reproduce

Operating System, Node, and NPM dependency versions

Mac OS 13.0
Node 14.18.3

"devDependencies": {
"@vue/cli-plugin-babel": "^3.1.1",
    "@vue/cli-plugin-eslint": "^3.1.5",
    "@vue/cli-service": "^3.1.4",
    "chai": "^4.1.2",
    "compression-webpack-plugin": "^6.1.1",
    "less": "^3.0.4",
    "less-loader": "^5.0.0",
    "pl-table": "^2.7.5",
    "postcss-pxtorem": "^5.1.1",
    "sass-loader": "^7.1.0",
    "vue-template-compiler": "2.6.10",
    "webpack-bundle-analyzer": "^3.0.3"
},
"dependencies": {
  "lodash": "^4.15.0"
}

[xiaolonggee]

it's done , this plugin has mode setting ,thank u