Skyge
2
Hi, welcome to the community! 
Sorry, I am not familiar with the BSC-Chain, maybe you should ask for help in their forum: Home | Binance Chain Forum
And they have a documentation about how to verify contracts, maybe you can have a look at it:
Maybe you can have a look at this topic:
And for the next time, please search at the forum at first, and then ask questions, thanks!
How do I ask a good question? - General / Meta - OpenZeppelin Community