R语言 png中文显示问题

library(showtext)

 showtext_auto(enable=TRUE)

 font_add('simsun', regular = '/data/software/lib64/R/library/font/simsun.ttc')

其中字体simsun下载地址：https://github.com/sonatype/maven-guide-zh/blob/master/content-zh/src/main/resources/fonts/simsun.ttc ，将其下载放入指定的位置，替换上面regular的路径