spine SkeletonGraphic更换武器后图片显示不对

1. http://zh.esotericsoftware.com/forum/Unity-Skins-not-working-with-SkeletonGraphic-UnityUI-6942

2 https://gist.github.com/pharan/d06c771a696fbf7ec733

3. http://blog.csdn.net/u010019717/article/details/50920791