/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/strip: can’t write output file: /Users/apple/Library/Developer/Xcode/DerivedData/Unity-iPhone-cqlyqfemqgrpuwgllkqglclcsmwu/Build/Products/ReleaseForRunning-iphoneos/TestVideo.app/Frameworks/UnityFramework.framework/UnityFramework (No space left on device)
清理下 Xcode 缓存就行了，Product->Clean Build Folder
但我这里是真的没空间了，所以实际上需要做的是清除硬盘空间。
