Changing an object’s deformation
order
When you use more than one deformer to deform an object, the final effect of the deformations can vary depending on the order in which the deformations occur. By default, the deformations occur in the order that the deformers were created for the object. The deformer created first deforms the object first, and the deformer created last deforms the object last. However, you can change or re-order the deformation order to get the effect you want.