Try the following solutions:
In the login interface, click communication settings and check "Find the fastest master station when logging in".
It is best for the transaction server to be consistent with the broadband service provider. If the transaction server is a telecom server, telecom broadband is selected.
When the transaction is crowded, it is best to re-measure the speed of all main stations.
Use a proxy server to conduct transactions.
Ask other Ping An Securities customers in the same region if they have the same problem. Consult Ping An Securities customer service to solve it.
If it is not difficult for other brokers to log in for trading services, they can also consider transferring to other brokers.