How to adjust the parameters of the optimization process?

[qup20]

Hi, thank you very much for your work, this library helped me a lot. I found that I am not getting the desired optimization result during the optimization process, I input the verified optimal result into the search range but I can't optimize to get this optimal result. I guess the parameter settings of the optimization process need to be adjusted, but I don't know how to do it and which parameters I can adjust? Can you help me with this problem? Thank you!

[qup20]

As a side note, my optimization parameters are very high dimensional, with 18 parameters. Thank you!