DEFAULT_DATA[:teacher_clazzes].each do |teacher_clazz, teacher_clazz_info|
      map_teacher = @default_teachers.find{|t| t.user.login == teacher_clazz_info[:teacher]}
      if map_teacher
        clazz_names = teacher_clazz_info[:clazz_names].split(",").map{|c| c.strip }
        clazz_names.each do |clazz_name|