`require': cannot load such file -- activeadmin/axlsx (LoadError) about activeadmin-axlsx HOT 1 OPEN

first download it from github to change something.
git clone https://github.com/randym/activeadmin-axlsx
git clone https://github.com/ywencn/active_admin

make path correct.
gem 'activeadmin-axlsx', path: '../activeadmin-axlsx'
gem 'activeadmin', path: '../activeadmin'

change all below:

for undefined method `xlsx' for #ActiveAdmin::ResourceDSL:0x (NoMethodError)
yourproject/config/environments/production.rb
set
config.eager_load = false

for `require': cannot load such file -- activeadmin/axlsx (LoadError)
activeadmin-axlsx/activeadmin-axlsx.gemspec
s.add_runtime_dependency 'activeadmin', "~> 0.6.0"
to
s.add_runtime_dependency 'activeadmin', "> 0.6.0"

for ArgumentError (wrong number of arguments (1 for 0)):
activeadmin/lib/active_admin/resource_controller/streaming.rb:11:in `index'
Change line 11
def index
to
def index(arg=nil)

for undefined local variable or method max_csv_records': activeadmin-axlsx/lib/active_admin/axlsx/resource_controller_extension.rb:11:inper_page_with_xlsx'
add max_csv_records = 1000 # some num which result in db query as limit 1000 in the end of select * query.

  def per_page_with_xlsx
      max_csv_records = 1000   #add
      if request.format ==  Mime::Type.lookup_by_extension(:xlsx)
        return max_csv_records
      end
      per_page_without_xlsx
  end

from activeadmin-axlsx.