Why katex render one equation twice?

[fuzihaofzh]

Issue Checklist

• I am using NexT version 8.0 or later.
• I have already read the Troubleshooting page of Hexo and Troubleshooting page of NexT.
• I have already searched for current issues, which does not help me.

Expected behavior

Each equation should only be shown once. However, it shows one math equation twice like:

Actual behavior

it shows one math equation twice:

Besides, I cannot see any CSS file sourced in the page source. Is this a problem?

Steps to reproduce the behavior

Just following the very basic instruction, then get this result.

Node.js and NPM Information

node -v && npm -v
v18.17.1
9.6.7

Package dependencies Information

hexo-site@0.0.0 /Users/user/workbench/explore/blogdbg
├── hexo-generator-archive@2.0.0
├── hexo-generator-category@2.0.0
├── hexo-generator-index@3.0.0
├── hexo-generator-tag@2.0.0
├── hexo-renderer-ejs@2.0.0
├── hexo-renderer-markdown-it-plus@1.0.6
├── hexo-renderer-stylus@3.0.0
├── hexo-server@3.0.0
├── hexo-theme-landscape@1.0.0
└── hexo@6.3.0

Hexo Configuration

# Hexo Configuration
## Docs: https://hexo.io/docs/configuration.html
## Source: https://github.com/hexojs/hexo/

# Site
title: Hexo
subtitle: ''
description: ''
keywords:
author: John Doe
language: en
timezone: ''

# URL
## Set your site url here. For example, if you use GitHub Page, set url as 'https://username.github.io/project'
url: http://example.com
permalink: :year/:month/:day/:title/
permalink_defaults:
pretty_urls:
  trailing_index: true # Set to false to remove trailing 'index.html' from permalinks
  trailing_html: true # Set to false to remove trailing '.html' from permalinks

# Directory
source_dir: source
public_dir: public
tag_dir: tags
archive_dir: archives
category_dir: categories
code_dir: downloads/code
i18n_dir: :lang
skip_render:

# Writing
new_post_name: :title.md # File name of new posts
default_layout: post
titlecase: false # Transform title into titlecase
external_link:
  enable: true # Open external links in new tab
  field: site # Apply to the whole site
  exclude: ''
filename_case: 0
render_drafts: false
post_asset_folder: false
relative_link: false
future: true
highlight:
  enable: true
  line_number: true
  auto_detect: false
  tab_replace: ''
  wrap: true
  hljs: false
prismjs:
  enable: false
  preprocess: true
  line_number: true
  tab_replace: ''

# Home page setting
# path: Root path for your blogs index page. (default = '')
# per_page: Posts displayed per page. (0 = disable pagination)
# order_by: Posts order. (Order by date descending by default)
index_generator:
  path: ''
  per_page: 10
  order_by: -date

# Category & Tag
default_category: uncategorized
category_map:
tag_map:

# Metadata elements
## https://developer.mozilla.org/en-US/docs/Web/HTML/Element/meta
meta_generator: true

# Date / Time format
## Hexo uses Moment.js to parse and display date
## You can customize the date format as defined in
## http://momentjs.com/docs/#/displaying/format/
date_format: YYYY-MM-DD
time_format: HH:mm:ss
## updated_option supports 'mtime', 'date', 'empty'
updated_option: 'mtime'

# Pagination
## Set per_page to 0 to disable pagination
per_page: 10
pagination_dir: page

# Include / Exclude file(s)
## include:/exclude: options only apply to the 'source/' folder
include:
exclude:
ignore:

# Extensions
## Plugins: https://hexo.io/plugins/
## Themes: https://hexo.io/themes/
theme: next

# Deployment
## Docs: https://hexo.io/docs/one-command-deployment
deploy:
  type: ''

NexT Configuration

katex:
    enable: true
    # See: https://github.com/KaTeX/KaTeX/tree/master/contrib/copy-tex
    copy_tex: false

 katex: //cdn.jsdelivr.net/npm/katex@0/dist/katex.min.css

Other Information

Mac Pro M1

[welcome]

Thanks for opening this issue, maintainers will get back to you as soon as possible!

[stevenjoezhang]

Please provide the source code of your blog, thanks

[grampart]

Please provide the source code of your blog, thanks

I'm experiencing the same situation as well. Even for some very simple formulas, the aforementioned situation can occur.

My blog code(Markdown):

---
title: test
date: 2023-12-10 16:32:49
---
test：

1. test:$a=\alpha*(a+b)$is a formula.

It shows:

Node.js and NPM Information

$ node -v && npm -v
v20.10.0
10.2.3

Package dependencies Information

$ npm list
hexo-site@0.0.0 E:\blog
├── hexo-deployer-git@4.0.0
├── hexo-generator-archive@2.0.0
├── hexo-generator-category@2.0.0
├── hexo-generator-index@3.0.0
├── hexo-generator-tag@2.0.0
├── hexo-renderer-ejs@2.0.0
├── hexo-renderer-markdown-it-plus@1.0.6
├── hexo-renderer-stylus@3.0.0
├── hexo-server@3.0.0
├── hexo-theme-landscape@1.0.0
├── hexo-word-counter@0.1.0
└── hexo@7.0.0

[stevenjoezhang]

It's working well on my computer.

Please provide the blog source code so I can try to reproduce it.

[sghuang19]

Hi @fuzihaofzh, thanks for reaching out. We can't reproduce this problem, maybe try update to the latest dependencies.

I'm closing this issue for now, but if you need any help, feel free to reopen it again. ❤️

[wuhao-wu-jiang]

I came across the same problem from time to time.