Important Update: Resolved the issue where some 4G devices were unable to view real-time stream. 1. Adapted for triple-view triple-PTZ cameras, allowing independent control of the three camera PTZs in real-time preview. 2. Optimized the real-time preview interface interaction for triple-view devices. In Picture-in-Picture mode, small windows can be freely dragged. 3. Improved the user experience for 4G devices. 4. Fixed known issues.