The content of the "last name"and the line above the "Add Field" overlapped

current build number: 7
device name: arale
channel: ubuntu-touch/rc/meizu.en
last update: 2015-10-16 03:09:31
version version: 7
version ubuntu: 20151015
version device: 20150818-0b38025
version custom: 20150925-900-8-47
 Steps:
1.Open contacts app
2.Create new
3.Input content in "First Name" and "Last Name", do not input other field
4.Save it
5.In the contact list , press the contact you create
6.Edit it
7.In the edition page ,you will see the content of the "last name"and the line above the "Add Field" overlapped

Expectation:
The content of the edit page displays normally

Actual result:
The content of the "last name"and the line above the "Add Field" overlapped

Notes: i attached a screenshot to help understood