Update content:
1. Software SDK upgrade from SDK 1.0 to SDK 2.0
2. Resolve restart issues and WIFI disappearance issues
3. Add WIFI dual frequency integration switch, AP wizard adds intelligent DHCP service switch
4. Add dhcp restart mechanism
5. Fix the issue of slow startup caused by multiple (600) client connections
6. Fix the bug where the relay channel does not change with superiors
7. Add the 20MHz/40MHz option to the 2.4G settings page, and the software defaults to 20MHz/40MHz (WIFI interference is severe, and the machine will automatically switch to 20MHz after startup)