Ionic Storage is not restoring data after setting URL for pages in App module

While i am setting the URL for my pages in App.module, the Ionic storage stop working, It storing the keyValue but not returning back, I can see the value saved in browser from Developer option but. storage.get('Key') is not return the value back,
If i remove the changes for URL building from App.module then it works perfect, but with URL building i stop work