As an extension of classroom teaching, homework is one of the important ways to detect students' learning situation and feedback teachers' teaching effect. Relying on WeChat platform, the team blocked the complicated program design and designed an easy-to-operate class operation management small program-"Class Cloud Lai". The program mainly includes a number of practical functions such as one-click operation sending and receiving, notification distribution, content screening, file transfer, etc. Compared with the traditional paper-based homework management, the program can save the cumbersome manpower collection process, avoid the loss of homework storage process, more convenient communication between teachers and students, so that teachers can quickly review and statistical homework, and promote the convenience of class homework management.