There are the following reasons for the high delay: it is possible that the network connection between your local network and the game server is not good,

You can use an online game accelerator to try to solve it.

There are also people who use the internet. In this case, let's see if the people who use it are downloading.

There is also a high delay caused by poor line quality before entering the home. In this case, you can only contact the operator.

Or use a wireless router with poor quality, which is easy to lose packets. It is recommended to switch to wired when playing games.

Have a good game.