What happened to the delay of verification code of smart vocational education?

1. network delay: the sending and receiving of verification code usually depends on network transmission, and the unstable or delayed network connection will cause the sending and receiving of verification code to be delayed.

2. Server load: The server load of intelligent vocational education platform is high, which will affect the sending and receiving speed of verification code. This is due to more users accessing the platform at the same time.

3. SMS service provider problem: The sending of verification code is also related to SMS service provider, and the service provider's system failure or other problems will delay the sending of verification code.