displacement map problem in maya

[system]

hi, guys i have some question

1. I want to export displacement map from Zbrush. After that I import it in maya and rendering. (vray)

2. but something werid happend that some mesh is little inflated what i don’t do any sculpting some part of mesh in zbrush

how can i solve this hell of a fix ?

3. here is my zbrush displacement map export option.

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