json.shixun_list @shixuns do |shixun|
  json.shixun_identifier shixun.identifier
  json.name shixun.name
  json.creator shixun.user&.full_name
  json.creator_login shixun.user&.login
  json.school shixun.user&.school_name
  json.myshixuns_count shixun.myshixuns_count
  json.level level_to_s(shixun.trainee)
  json.challenge_tags shixun.challenge_tags_name
end

json.shixuns_count @total_count
json.search_tags @search_tags

json.partial! 'homework_commons/second_category', locals: {main_catrgory: @main_catrgory, homework_category: @homework_category}