why does my mesh seems having obviously creases in ue5, but they does not appear in blender

[user_3efc87921bcb4110447d2e17e4d7044ea0722e55da9367bcdafdd8 (老子爱叫啥就叫啥)]

and here is my blend file
Rock16.blend (24.1 MB)

and 3 baked images if u like
BaseColor

Roughness

Normal

it seems that these creases are the uv islands’s edge in blender

but in blender u can not find these creases, so it makes me much confused for what is happening?

any help? thanks very much