No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=arm64, VALID_ARCHS=armv7 armv7s)

问题：

No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=arm64, VALID_ARCHS=armv7 armv7s)

解决：

Project ->Target->Build Setting ->搜索 Build Active Architecture Only ->把值改成NO