On the accuracy of wrf-roms simulation paths

[zhaolv]

I conducted simulations of typhoons near the South China Sea. I have also used wrf and wrf-roms models for comparison.
However, I found that the path of the typhoon centre was more inaccurate in wrf-roms mode than in wrf mode.
I would like to know how you have adjusted for similar situations. How can I reduce the error?
I have attached my .h file and hope you can guide me.

typhoon.h

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