下载最新的EaseMobSDK was built for newer iOS version (8.1) than being linked (7.1)

    下载最新的EaseMobSDK 但是编译警告EaseMobSDK/lib/libEaseMobClientSDK.a(eice.o)) was built for newer iOS version (8.1) than being linked (7.1),  难道不支持7.1吗?