Which number should the text message be sent to to cancel Tianyi Green Network?

"Tianyi Green Network" is a software that helps parents scientifically guide their children to use the Internet healthily. Through this product, parents can understand their children's Internet usage, block unhealthy websites, and flexibly set their children's Internet time and game time. Parents can also lock the screen with one click on their mobile phones and manage their children anytime and anywhere. To learn more about service discounts, click the "official website" below and customer service 37 will answer your questions.