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The verification code obtained by the education network management system shows that the network is unstable.
The verification code obtained by the education network management system indicates that the network is unstable. The solution is as follows.

1, caused by a problem with the server network cable.

2. Restart the server and check whether the connected network is faulty.

3. Disconnect the WIFI on the mobile phone, log in to the network again after a few minutes, and then log in again according to the account password.