json.data do
  json.array! @business_deliver do |deliver|
    b = deliver.business
    json.school  handled_data b.school&.name
    json.name handled_data b.name
    json.state deliver.status
    json.time handled_time_data deliver.delvier_date
    json.id deliver.id
    json.staff_name handled_data b.staff_name
    json.subject_progress deliver.subject_competed_count
    json.shixun_progress deliver.shixun_competed_count
    json.subject_manages deliver.subject_manages
  end
end
json.code 0
json.count @business_deliver.total_count