main.js 代码如下：

module.exports = {
  "stories": [
    "../src/**/*.stories.mdx",
    "../src/**/*.stories.@(js|jsx|ts|tsx)"
  ],
  "addons": [
    "@storybook/addon-links",
    "@storybook/addon-essentials",
    "@storybook/addon-interactions",
    "@storybook/preset-create-react-app"
  ],
  "framework": "@storybook/react",
  "core": {
    "builder": "@storybook/builder-webpack5"
  }
}

preview.js 代码如下：

import '../src/styles/index.scss';
export const parameters = {
  actions: { argTypesRegex: "^on[A-Z].*" },
  controls: {
    matchers: {
      color: /(background|color)$/i,
      date: /Date$/,
    },
  },
}

package.json 如下：

{
  "name": "pm-design",
  "version": "0.1.0",
  "description": "UI component library of a test paper detail display page",
  "author": "gly",
  "private": false,
  "main": "dist/index.js",
  "module": "dist/index.js",
  "types": "dist/index.d.ts",
  "dependencies": {
    "@testing-library/jest-dom": "^5.16.4",
    "@testing-library/react": "^13.3.0",
    "@testing-library/user-event": "^13.5.0",
    "@types/jest": "^27.5.2",
    "@types/node": "^16.11.45",
    "@types/react": "^18.0.15",
    "@types/react-dom": "^18.0.6",
    "antd": "^4.21.7",
    "react": "^18.2.0",
    "react-dom": "^18.2.0",
    "react-scripts": "5.0.1",
    "typescript": "^4.7.4",
    "web-vitals": "^2.1.4"
  },
  "peerDependencies": {
    "react": ">=16.8.0",
    "react-dom": ">=16.8.0",
    "antd": ">=4.16.2"
  },
  "scripts": {
    "start": "react-scripts start",
    "clean": "rimraf ./dist",
    "build": "npm run clean && npm run build-css && npm run build-ts",
    "build-css": "node-sass ./src/styles/index.scss ./dist/index.css",
    "build-ts": "tsc -p tsconfig.build.json",
    "test": "react-scripts test",
    "eject": "react-scripts eject",
    "prepublish": "npm run build",
    "storybook": "start-storybook -p 6006 -s public",
    "build-storybook": "build-storybook"
  },
  "eslintConfig": {
    "extends": [
      "react-app",
      "react-app/jest"
    ]
  },
  "browserslist": {
    "production": [
      ">0.2%",
      "not dead",
      "not op_mini all"
    ],
    "development": [
      "last 1 chrome version",
      "last 1 firefox version",
      "last 1 safari version"
    ]
  },
  "devDependencies": {
    "@babel/core": "^7.18.9",
    "@storybook/addon-actions": "^6.5.9",
    "@storybook/addon-essentials": "^6.5.9",
    "@storybook/addon-interactions": "^6.5.9",
    "@storybook/addon-links": "^6.5.9",
    "@storybook/builder-webpack5": "^6.5.9",
    "@storybook/manager-webpack5": "^6.5.9",
    "@storybook/preset-create-react-app": "^4.1.2",
    "@storybook/react": "^6.5.9",
    "@storybook/testing-library": "0.0.13",
    "@types/lodash": "^4.14.182",
    "babel-loader": "^8.2.5",
    "classnames": "^2.3.1",
    "loadash": "^1.0.0",
    "node-sass": "^7.0.1",
    "rimraf": "^3.0.2",
    "sass": "^1.54.0",
    "sass-loader": "^13.0.2"
  }
}

根据教程一模一样操作的，为什么引入scss不生效呢？