diff --git a/Gemfile b/Gemfile
index ee4f30d62..6cae1ad50 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,11 +1,13 @@
 source 'https://rubygems.org'
 
 group :development, :test do
-  gem 'jekyll', '~> 3.8.5'
+  gem 'jekyll'
   gem 'jekyll-redirect-from', '~> 0.14.0'
   gem 'jekyll-sitemap', '~> 1.2.0'
   gem 'jekyll-toc', '~> 0.9.1'
   gem 'wdm', '~> 0.1.1', :install_if => Gem.win_platform?
+  gem "webrick"
+  gem "kramdown-parser-gfm"
 end
 
 group :jekyll_plugins do
diff --git a/site/docs/api/table-options.md b/site/docs/api/table-options.md
index b1b76309e..eb14cea0c 100644
--- a/site/docs/api/table-options.md
+++ b/site/docs/api/table-options.md
@@ -1976,6 +1976,8 @@ The table options are defined in `jQuery.fn.bootstrapTable.defaults`.
 
   Set `true` to enable virtual scroll to display a virtual, "infinite" list.
 
+  **Note:** Currently, the implementation assumes that each line has the same height. If the heights of the lines vary, unpredictable bugs may occur. Please ensure that the height of each line is consistent, or apply the style `td { white-space: nowrap; }` to address this issue.
+
 - **Default:** `false`
 
 - **Example:** [Large Data](https://examples.bootstrap-table.com/#options/large-data.html)