After the device is successfully networked, you can log in to the Tuya Developer Platform. Visit https://iot.tuya.com/device/log to go to the Log query page. Enter the device ID, specify a period, and click Search. Then you can view the device logs within seven days.
No device log maybe because no operation is performed on the device.
Note: On the same LAN, there may be no log recorded for commands delivered by the app. Switch the mobile phone to the 4G network to resolve this issue.