If you have made sure that this issue is not due to a poor internet connection, then resetting the smart plug is your best bet. Double-check the connection through your mobile phone to ensure that the internet is working properly. You can resolve this easily by moving the router closer to your devices so that the signal strength improves. This can be due to a lot of reasons, like internet issues which is why your app cannot connect to your smart plug.
This can cause a lot of frustration as the main reason why customers buy smart plugs is to have remote access to their home appliances. Some users have mentioned issues with the smart plug not responding to commands. Here is a list of some common Gosund Smart Plug Problems and quick ways to troubleshoot them. Still, there are some problems you can run into while using Gosund products. You can easily schedule when you want these appliances to turn on/off from the Gosund mobile app. So, be sure to keep that in mind as you try to adjust the smart system.