Lightbulb [Q] Apps can't scan media from internal storage

As per title.
No mater what kind fomat of pictures,music or videos,it just didn't appear in the apps(i.e.Play music,Gallery or Photos,and even ringtones) properly.
Is that my own issue or common?
and any ideas? Thx.
HTC Hero G3
Google Nexus S i9023
Samsung Galaxy Note N7000
Sony Xperia Z C6603
Samsung Galaxy Note 10.1 N8000
Apple iPhone 5
Motorola Moto G