最近在CentOS上安装了R3.2.4并尝试通过R创建png图表时，我收到以下警告:Warningin(function(filename=if(onefile)"Rplots.svg"else"Rplot%03d.svg",:unabletoloadsharedobject'/usr/local/lib64/R/library/grDevices/libs//cairo.so':/usr/local/lib64/R/library/grDevices/libs//cairo.so:cannotopensharedobjectfile:NosuchfileordirectoryWarn