Blendshape vertice

hi i got script for pose to vertice my eye on player
it's working but when i add blendshape deform the result is not updated
any idea how i can fix this ? please thank's


if (objskin != null ){

SkinnedMeshRenderer skin= objskin.GetComponent<SkinnedMeshRenderer>();
Mesh mesh= skin.sharedMesh;

count =mesh.vertexCount;
//objlink.transform.position = mesh.vertices[invertex]+transform.localPosition;
objlink.transform.position = objskin.transform.TransformPoint (mesh.vertices[invertex]);//+transform.localPosition;
Debug.Log ( mesh.vertices[invertex]);

}