json.qrcode_img nil

json.members @members do |member|
  json.partial! 'subject_member', locals: { user: member.user }
  json.role member.role
end

json.team_title @subject.team_title

# 技能标签
json.tags @tags do |tag|
  unless tag.blank?
    json.tag_name tag
    json.status @user_tags.include?(tag)
  end
end

# 我的进展
json.progress do
  json.my_score @my_score
  json.all_score @all_score
  json.learned @learned
  json.time @time
end