OS X 10.11 重建图标缓存

打开终端输入

$ sudo find /private/var/folders/ \  -name com.apple.dock.iconcache -exec rm {} \;$ sudo find /private/var/folders/ \  -name com.apple.iconservices -exec rm -rf {} \;$ sudo rm -rf /Library/Caches/com.apple.iconservices.store

然后重启电脑.