What should I do if the number of short messages sent by the same IP exceeds the limit when cloud education of Harbin Education Bureau retrieves the password?

You can try to disconnect and reconnect.

The device waiting for connection disconnects from the network, and then obtains the IP address to access the network. Solve the problems such as ADSL disconnection. One minute, reconnect and change the IP.

The number of times exceeds the limit because there is a certain limit to the number of times each account receives the system verification code every day. After the number of times the system issues the verification code exceeds the limit, it will not be able to issue the verification code again to prevent malicious changes to the account security information.