No exclusivity. According to the service agreement of Tianjin Haozan’s official website, the content of Haozan’s service agreement does not specify whether it is exclusive. However, the service agreement states that Haozan has the right to interpret and modify the service agreement. Users who use Haozan’s services are deemed to be To agree to all terms of the Service Agreement. In addition, Haozan's service content mainly includes providing users with online consultation, online education, online training, online courses and other services, as well as providing learning resources, educational information and other services. Haozan also pays attention to protecting users' privacy and personal information security, and also regulates and restricts users' behavior and usage.