Unicom visual applet can't receive the verification code.

Due to poor network connection or server maintenance, you can check the network or wait until the maintenance is over and try again. Unicom Visual applet can't receive the verification code due to poor network connection, which leads to the system can't receive the verification information sent by the server in time. It can try again after checking the network, or it may be because the server is not responding due to maintenance, so it can wait until the maintenance is over and try again.