Nate That is only a warning. When "nonessential" is not checked when exporting the data, if you import it back into Spine then your meshes will lose the internal (orange) edges. 这只是一个警告。当导出数据时没有勾选 "非必要"，如果你将其导入Spine，那么你的网格将失去内部（橙色）的边缘。
