My hexo-renderer-marked modifyAnchors option seems to not work

[AnzhiZhang]

I have set modifyAnchors to 1 but the

marked:
  modifyAnchors: 1

Related issues: hexojs/hexo-renderer-marked#78, fluid-dev/hexo-theme-fluid#397

_config.yml

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

# Site
...

# URL
## Set your site url here. For example, if you use GitHub Page, set url as 'https://username.github.io/project'
...

# 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: :lang/:year-:month-:day-: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: 'empty'

# 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: fluid

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

# RSS
feed:
...

# Sitemap
sitemap:
  path: 
    - sitemap.xml
    - sitemap.txt
  tags: false
  categories: false

# Renderer Marked
marked:
  modifyAnchors: 1

package.json

{
  "name": "hexo-site",
  "version": "0.0.0",
  "private": true,
  "scripts": {
    "build": "hexo generate",
    "clean": "hexo clean",
    "deploy": "hexo deploy",
    "server": "hexo server"
  },
  "hexo": {
    "version": "7.3.0"
  },
  "dependencies": {
    "hexo": "^7.3.0",
    "hexo-deployer-git": "^4.0.0",
    "hexo-generator-archive": "^2.0.0",
    "hexo-generator-category": "^2.0.0",
    "hexo-generator-feed": "^3.0.0",
    "hexo-generator-index": "^4.0.0",
    "hexo-generator-sitemap": "^3.0.1",
    "hexo-generator-tag": "^2.0.0",
    "hexo-renderer-ejs": "^2.0.0",
    "hexo-renderer-marked": "^7.0.1",
    "hexo-renderer-stylus": "^3.0.1",
    "hexo-server": "^3.0.0",
    "hexo-theme-fluid": "^1.9.8"
  }
}