First power on WIFI device(named A), set PC join the wifi of A
Then enter 10.10.100.254, the account and password are both admin
the parameters of A should be same with serial device
Set A work at STA mode, make A join the wifi which can access external network, click apply
We use test.usr.cn(port 2317) for test, you should fill in with the remote IP/domain and remote port
Click apply and reboot A
Then the data can transmission from serial port to Cloud
Note: test.usr.cn return what you send