编译报错：
Sandbox: rsync.samba(8684) deny(1) file-write-create /Users/72200499/Library/Developer/Xcode/DerivedData/MasonryAnimation-aqubwmnuqkbaoudtywplpfrudfqz/Build/Products/Debug-iphonesimulator/MasonryAnimation.app/Frameworks/Masonry.framework/_CodeSignature
解决办法:
Build Settings 搜索 sandbox，把 Build Options 中的 User Script Sandboxing改为 NO
