LM5021: how do we improve load regulation for muliple output fylback as conventional tips?

hi, team.

this is Suzuki.

i have a question regarding isolated flyback ,multiple related load regulation.

now i've designed isoalted fflyback, but I dont know how to improve my design to be improved especially load regulation for the output rail it doesnt regulate.

are there any tips or apps note to know how to improve it ?

thanks.