The verification code of the verification nucleic acid of the incoming SMS was not received.

Caused by information congestion. The verification code of nucleic acid is issued by SMS gateway of each operator. If the number of requests is too large in a short time, resulting in SMS congestion (such as peak hours), and the verification code cannot be received, you can try again later. In addition, if the user actively prohibits the value-added service, it needs to be reopened before receiving the verification code normally.