The whole camera app is black after popping up "Cannot access permission"

[quandan]

current build number: 263
device name: arale
channel: ubuntu-touch/rc-proposed/meizu.en
last update: 2016-03-07 05:48:47
version version: 263
version ubuntu: 20160305
version device: 20160111-51982fc
version custom: 1452441600

Steps:
Open camera app and use it for a while to take photos or video

Expectation:
The camera can still take videos and pictures

Actual results:
After a while it pops up :Cannot access permission , then when you relaunch camera app ,it just shows a black view finder page and cannot use it normally anymore even you reboot the phone

Notes: It only occurs on Alare and Turbo