When clicking on the Open draft preview button or Open live view button, it will report that the website cannot be accessed

[wangfan002]

// ./config/plugins.js
'use strict';

module.exports = {
  'preview-button': {
    config: {
      contentTypes: [
        {
          uid: 'api::home.home',
          published: {
            url: 'http://localhost:3000',
          },
        },
        {
          uid: 'api::page.page',
          draft: {
            url: 'http://localhost:3000/api/preview',
            query: {
              type: 'page',
              slug: '{slug}',
            },
          },
          published: {
            url: 'http://localhost:3000/{slug}',
          },
        },
        {
          uid: 'api::post.post',
          draft: {
            url: 'http://localhost:3000/api/preview',
            query: {
              type: 'post',
              slug: '{slug}',
            },
          },
          published: {
            url: 'http://localhost:3000/blog/{slug}',
          },
        },
      ],
    },
  },
};

{
  "name": "low-project",
  "private": true,
  "version": "0.1.0",
  "description": "A Strapi application",
  "scripts": {
    "develop": "strapi develop",
    "start": "strapi start",
    "build": "strapi build",
    "strapi": "strapi"
  },
  "dependencies": {
    "@strapi/plugin-i18n": "4.14.5",
    "@strapi/plugin-users-permissions": "4.14.5",
    "@strapi/strapi": "4.14.5",
    "better-sqlite3": "8.6.0",
    "strapi-plugin-preview-button": "^2.2.1"
  },
  "author": {
    "name": "A Strapi developer"
  },
  "strapi": {
    "uuid": "2f50d067-9fdf-4703-88ac-5699fe25dd27"
  },
  "engines": {
    "node": ">=16.0.0 <=20.x.x",
    "npm": ">=6.0.0"
  },
  "license": "MIT"
}