CopyPNGFile /Users/gongihou/Library/Developer/Xcode/DerivedData/KTVgo-frborfduejxrajgpkfdaipygijow/Build/Products/Debug-iphoneos/KTVgo.app/zhuangtai.png KTVgo/zhuangtai.png
cd /Users/gongihou/Documents/910
setenv PATH
"/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/copypng
-compress "" /Users/gongihou/Documents/910/KTVgo/zhuangtai.png
/Users/gongihou/Library/Developer/Xcode/DerivedData/KTVgo-frborfduejxrajgpkfdaipygijow/Build/Products/Debug-iphoneos/KTVgo.app/zhuangtai.png
Not a PNG filCommand
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/copypng
emitted errors but did not return a nonzero exit code to indicate
failure
错误图片
解决方案：
把工程中，Compress PNG files 设置为NO即可。
可能你的图本来就是被压缩过的