Change delay to 3 seconds_this is a test

[rcwang2024]

Hello there, this is a test of pull request,

[rcwang2024]

This is a really good idea, you should definitely merge it

[rcwang2024]

This is a big issue

what is the problem

• first, this should be ..
• second, that balala

Then if we replace init_1000 to init_300, we can benefit on the aspects

On one hand, bbb On the other hand, we can

This PR #2 we can, the to do list is here

• [X] fix bugs
• [ ] add new features
• [ ] merge to the main branch after testing