用ctex的话没问题啊,在pdf里显示正确
完整 rmd
---
title: "Untitled"
documentclass: ctexart
output:
rticles::ctex
---
```{r setup, include=FALSE}
knitr::opts_chunk$set(echo = TRUE)
```
## R Markdown
```{r}
colnames(iris)[1] = "P~1~"
knitr::kable(
head(iris), caption = '雷猴啊,iris 数据!',
booktabs = TRUE
)
```