Undefined symbols for architecture armv7:
"_GDLocalizedString", referenced from:
-[QBAssetCollectionViewController done] in QBAssetCollectionViewController.o
-[QBAssetCollectionViewController assetCell:canSelectAssetAtIndex:] in QBAssetCollectionViewController.o
-[QBImagePickerController initWithNibName:bundle:] in QBImagePickerController.o
ld: symbol(s) not found for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)
这个怎么解决啊，求大神指点
