Why index title had repeat ?

[lkzwc]

Have you read the Contributing Guidelines on issues?

• I have read the Contributing Guidelines on issues.

Prerequisites

• I'm using the latest version of Docusaurus.
• I have tried the npm run clear or yarn clear command.
• I have tried rm -rf node_modules yarn.lock package-lock.json and re-installing packages.
• I have tried creating a repro with https://new.docusaurus.io.
• I have read the console error message carefully (if applicable).

Description

the environment is
"@docusaurus/core": "2.0.0-beta.18",
"@docusaurus/plugin-sitemap": "^2.0.0-beta.20",
"@docusaurus/preset-classic": "2.0.0-beta.18",
"@mdx-js/react": "^1.6.22",
"clsx": "^1.1.1",
"prism-react-renderer": "^1.3.1",
"react": "^17.0.2",
"react-dom": "^17.0.2"

Reproducible demo

No response

Steps to reproduce

no

Expected behavior

expect one title

Actual behavior

actual show title and title by '|'

Your environment

url: https://lkthblog.vercel.app/
"@docusaurus/core": "2.0.0-beta.18",
"@docusaurus/plugin-sitemap": "^2.0.0-beta.20",
"@docusaurus/preset-classic": "2.0.0-beta.18",
"@mdx-js/react": "^1.6.22",
"clsx": "^1.1.1",
"prism-react-renderer": "^1.3.1",
"react": "^17.0.2",
"react-dom": "^17.0.2"

Self-service

• I'd be willing to fix this bug myself.

[Josh-Cena]

Duplicate of #5878

[Josh-Cena]

It's like that because we never got around to implement heuristics of when to show only the site title. You can ignore the title prop entirely to not show duplicated title. Just use <Layout description="你的描述"></Layout>

[lkzwc]

It's like that because we never got around to implement heuristics of when to show only the site title. You can ignore the title prop entirely to not show duplicated title. Just use <Layout description="你的描述"></Layout>

if i delete title of layout ,the index title is none ?? it will be show description

[lkzwc]

@Josh-Cena

[lkzwc]

源码当中这个逻辑整错了吧

[Josh-Cena]

这是另外一个 bug，会在 #7362 中修复。