1.错误：rsync error: some files could not be transferred (code 23) at /BuildRoot/Library/Caches/com.apple.xbs/Sources/rsync/rsync-47/rsync/main.c(992) [sender=2.6.9]
Command /bin/sh failed with exit code 23
报如上错误时，貌似是一堆图片资源冲突。
解决方法：
将~/Library/Developer/Xcode/DerivedData/目录下的工程缓存删除掉即可，然后重启工程编译。
