Spine Animation problem with premultiplied alpha

[ndmh]

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3D Model Problem

HI every one. I have a 3d Model Character. It work fine on other engine like Unity but i have a problem in Cocos Creator 3.8.3. My 3d model animation work fine in preview. But when i put it in scene and run, It’s have a mistake of render at the teeth and neck of character like the picture below. The teeth can see through the neck . I use baked animation but it just a little help. My project here: BugCocos.zip - Google Drive [image]