基于 WebSocket 实现的会议同屏功能演示，支持会控人员控制所有参会者的 PDF 查看状态。
Contributions last year: 0
Max continuous contributions: 0
Recent contributions: 0
Commits, issues, and pull requests will appear on your contribution graph. Only when the email address used for the commits in local configuration is associated with your GitOSC account, the commits' contribution will be counted.