1. DVR (1.5.0) and above changed back to single-channel playback, synchronized recording, screenshot, pause function
2. Some IPC devices can't adjust the sensitivity problem
3. IPC wireless settings plus prompts (not supported 5GWIFI)

1. Modify the playback video screen problem

1, update dvr connection is not a problem
2, some OTA upgrades can not be a problem
3. After setting the IPC time zone time, enter the device view again, the time zone/time is not displayed, and the record of the last setting is displayed.

1. Fix surveillance video connection is not a problem