Help ionic 3 build ios cannot get data from firebase real iphone!

#1

Hi everyone, i build my app on ios device, i run app on browser ok, it got data from firebase. Then i used xcode build and run on my iphone 5s, build successed, and running, app load backgroud, image local but not get data from firebase. So i hope you help me solve this problem! This is image on real device iphone 5s

This is image run on browser and html code