diff --git a/.SpaceVim.d/tasks.toml b/.SpaceVim.d/tasks.toml
index 4f249798a..e070ae35a 100644
--- a/.SpaceVim.d/tasks.toml
+++ b/.SpaceVim.d/tasks.toml
@@ -298,10 +298,19 @@
 [open-nvim-030.options.env]
     VIM = 'D:\Neovim\v0.3.0\share\nvim'
     VIMRUNTIME = 'D:\Neovim\v0.3.0\share\nvim\runtime'
-[bundle-scrollbar-vim-741185]
+
+# test bundle scrollbar.vim
+[bundle-scrollbar-vim-812269]
     command = 'wt.exe'
-    args = ['-d', 'D:\wsdjeg\scrollbar.vim', 'D:\Vim\gvim_7.4.1185_x64\vim.exe', '-Nu', 'test/vimrc']
+    args = ['-d', 'D:\wsdjeg\scrollbar.vim', 'D:\Vim\gvim_8.1.2269_x64\vim.exe', '-Nu', 'test/vimrc']
     isBackground = true
-[bundle-scrollbar-vim-741185.options.env]
-    VIM = 'D:\Vim\gvim_7.4.1185_x64'
-    VIMRUNTIME = 'D:\Vim\gvim_7.4.1185_x64'
+[bundle-scrollbar-vim-812269.options.env]
+    VIM = 'D:\Vim\gvim_8.1.2269_x64'
+    VIMRUNTIME = 'D:\Vim\gvim_8.1.2269_x64'
+[bundle-scrollbar-nvim-038]
+    command = 'wt.exe'
+    args = ['-d', 'D:\wsdjeg\scrollbar.vim', 'D:\Neovim\v0.4.2\bin\nvim.exe', '-Nu', 'test/vimrc']
+    isBackground = true
+[bundle-scrollbar-nvim-038.options.env]
+    VIM = 'D:\Neovim\v0.4.2'
+    VIMRUNTIME = 'D:\Neovim\v0.4.2\share\nvim\runtime'
diff --git a/bundle/scrollbar.vim/README.md b/bundle/scrollbar.vim/README.md
index e0d5fc3b1..c8e800300 100644
--- a/bundle/scrollbar.vim/README.md
+++ b/bundle/scrollbar.vim/README.md
@@ -9,12 +9,18 @@
 
 <!-- vim-markdown-toc GFM -->
 
-- [Install](#install)
+- [Requirements](#requirements)
+- [Installation](#installation)
 - [Feedback](#feedback)
 
 <!-- vim-markdown-toc -->
 
-## Install
+## Requirements
+
+- Vim: `exists('*popup_create')`
+- Neovim: `exists('*nvim_open_win')`
+
+## Installation
 
 1. Using `scrollbar.vim` in SpaceVim: