当我尝试构建我的项目时出现此错误。
Undefined symbols for architecture i386:
"_OBJC_IVAR_$_UINavigationBar.images", referenced from:
-[UINavigationBar(CustomImage) drawRect:] in AppDelegate.o
-[UINavigationBar(CustomImage) setImagesNames:] in AppDelegate.o
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)
任何人都可以帮忙吗?