(1)create gradle module project and select the template form-field
(2)create liferay workspace ,
(3)and also create the form-field template inside the liferay workspace
(4)deploy the form-field that created standalone first
(5)Go to the portal -->Content --> Forms --> Add Forms --> Add Field
(6)click on the label that you have deployed.
(7)it still in the add field page.
(8)deploy the form-field inside the liferayworkspace,it showing the details of add label.
(9)then deploy the form-field that created standalone again.it will also showing the details of add label
(it can be reproduced unstable)