创建目录

app/services/shixuns/create_shixun_service.rb

@@ -46,7 +46,7 @@ class CreateShixunService < ApplicationService
         if shixun.is_jupyter?
           folder = EduSetting.get('shixun_folder')
           path = "#{folder}/#{identifier}"
-          FileUtils.mkdir_p(path, :mode => 0777) unless File.directory?(dir)
+          FileUtils.mkdir_p(path, :mode => 0777) unless File.directory?(path)
         end
         return shixun
       end