My main problem now is that the first timer link test packet is normal, and the second timer link is abnormal.
The target server I tested is up and running, so I can run the test directly.
The protocol has been numbered, and there is no problem with the protocol package, otherwise my first timer will have no problems, and the second one will have problems.
It appears when you click Start. The code cannot be debugged, but an exception still occurs. It should be a release exception such as your thread.
After debugging, I tuned my delphi to death.
But the results shown can pass