Issue Export/Import Assets Spine v2.1.2

Hello every one,

I working in Cocos creator, I use feature Export Asset.
But when I export asset is spine, I will missing file json data ( → error when import new project, can’t load file spine from data assets)

Dragonbones is no such situation?
image
Please help me check issue?
Please help me I was confused in any step??
Thank so much