Discuz! It's an open source community forum software, and its source code is public, so anyone can view and modify it. If he used Discuz! Creating a forum for communication and not violating the relevant laws and regulations may not charge copyright fees. However, it was important to note that if he used Discuz! If the forum you created has copyright or intellectual property rights, you may need to pay a copyright fee. This was because of Discuz! The source code is public, but that doesn't mean it's not protected by copyright law. If the forum contains copyright-protected content, you need to pay a copyright fee to obtain legal copyright protection. If you want to be in Discuz! Please make sure you understand the relevant laws and regulations and comply with them.