1. If there is a problem with the equipment network, Shang Bo Postal Currency Card Trading Center will not be able to board the plane. Just reconnect to the network.
2. If there is something wrong with the server of Shang Bo postal currency card trading center, it will lead to the inability to log in to Shang Bo postal currency card trading center, just wait for the server to recover.
3. The account password of Shang Bo Postal Currency Card Trading Center is incorrect, which will make it impossible for Shang Bo Postal Currency Card Trading Center to log in. Just check the account password and log in.