这看起来像很多Z间距（层之间的空间）。
This looks like a lot of Z Spacing (the space between layers).
如果我理解正确并且U3D你的意思是Unity，你可以通过SkeletonAnimation组件的检查器在Advanced部分下更改此值。
If I understood you correctly and by U3D you mean Unity, you can change this value via the inspector of the SkeletonAnimation component, under the Advanced section.
