Fbx model losing some vertices after importing into Cocos Creator

[Horchynskyi]

Hi all. I have model of window. it is ok on Blender and preview by default windows 3d model viewer, but in Cocos Creator it loses some vertices. as you see left and some bottom vertices are missing:
Cocos Creator 3 preview.

[yufang.wu]

@Horchynskyi Can you provide a demo that reproduces the problem?