It's easy to hand in homework in primary school online class. It is very convenient for QQ nail group teachers to correct homework now. The teacher arranges homework online, and the students take photos and upload them after finishing. Teachers can mark mistakes, take notes and make sounds when correcting. In addition to face-to-face instruction, all other homework methods that can be corrected in school can be completed in the online classroom.

DingTalk is a multi-terminal platform for free communication and cooperation built by Alibaba Group for China enterprises. Provide PC version, Web version, Mac version and mobile version, and support file transfer between mobile phone and computer. Nail is born for enterprises in China. Through systematic solutions (micro-applications), it helps enterprises in China to improve the communication and cooperation efficiency of enterprises in China.