Creo10 export DWG with stroke all, there'r two small point in the front & back of dimension in CAD

Creo10 bug, export DWG with stroke all charactors, then open it with AutoCAD. there are two small points in the front and back of dimension. and the dimension txt height is 0.0001, width factor is 0.1, there are not this issue with creo9, 8, 6, 5.

I have try all the export setting, but it make no sens, anyone can help?