Yes, there is. Tenghui Online School is a leading integrated Internet service provider in Hunan. Its product system includes the cloud live broadcast system of Tenghui Online School. If you feel inappropriate after payment, you can get a refund. If there is a solution, you can negotiate directly with the online school. Tenghui Online School app is a learning and education software, which brings users different online school classes, and everyone can study on it at any time.