无法登录平台的同学，请把作业文件发送到老师邮箱，并在邮件标题中写清姓名和班级。
Students who cannot log in to the platform, please send your homework file to the teacher's email and clearly write your name and class in the email subject.
Students who cannot log in to the platform, please send your homework file to the teacher's email and clearly write your name and class in the email subject.