Trimed I-Beam end not the shape we needed in the real world

anybody please help on this issue.

two i-beam joint in an angle, and do the trim. after the trim the end of the beam shows funny, i mean there is nothing wrong with SW, but it's not the real notching in the shop,

is anybody have a solution for this issue?

(check the middle or the beam)

thanks a lot

SolidworksWeldments