Config

/package.json

{
  "name": "blazesnowvitepressissue",
  "private": "true",
  "type": "module",
  "scripts": {
    "docs:dev": "vitepress dev",
    "docs:build": "vitepress build",
    "docs:preview": "vitepress preview"
  },
  "devDependencies": {
    "vitepress": "^v2.0.0-alpha.4"
  }
}

/.vitepress/config.ts

import { defineConfig } from 'vitepress'

export default defineConfig({
  lang: 'zh-CN',
  title: "BlazeSnow VitepressIssue",
  description: "BlazeSnow VitepressIssue",
  themeConfig: {
    nav: [
      { text: 'Home', link: '/' },
      {
        text: 'Examples',
        activeMatch: '/whatever/',
        items: [
          {
            text: 'test',
            activeMatch: '/test/',
            link: '/test/',
          },
          {
            text: 'another',
            activeMatch: '/another/',
            link: '/another/',
          },
        ]
      },
      {
        text: 'Config',
        activeMatch: '/Config/',
        link: '/Config/',
      },
      {
        text: 'Done',
        activeMatch: '/Done/',
        link: '/Done/',
      },
    ],
    sidebar: {
      '/test/': [
        {
          text: 'test',
          items: [
            { text: 'test1', link: '/test/' },
            { text: 'test2', link: '/test/test' },
          ]
        }
      ],
      '/another/': [
        {
          text: 'another',
          items: [
            { text: 'test3', link: '/another/' },
            { text: 'test4', link: '/another/test' },
          ]
        }
      ],
      '/Done/': [
        {
          text: 'Done',
          items: [
            { text: 'index', link: '/Done/' },
            { text: '4408', link: '/Done/4408' },
            { text: '4163', link: '/Done/4163' },
            { text: '3974', link: '/Done/3974' },
          ]
        }
      ],
    },
    socialLinks: [
      { icon: 'github', link: 'https://github.com/BlazeSnow/VitepressIssue' }
    ]
  }
})

/.vitepress/theme/index.ts

import DefaultTheme from 'vitepress/theme'
import './color.css'

export default {
    extends: DefaultTheme,
}

/.vitepress/theme/color.css

:root {
    --vp-c-brand-1: #0080FF;
    --vp-c-brand-2: #0080FF;
    --vp-c-brand-3: #0080FF;
    --vp-home-hero-name-color: #0080FF;
}