original-way.txt

1. go to ` https://github.com/jgm/pandoc-templates/blob/master/default.beamer ` copy and save as default.tex

2. add `\usepackage{ctex}` into default.tex here:

	% the begining %
	\setbeamertemplate{caption}[numbered]
	\setbeamertemplate{caption label separator}{: }
	\setbeamercolor{caption name}{fg=normal text.fg}
	\usepackage{amssymb,amsmath}
add here 		... 
	\usepackage{ctex}
		...
	\ifxetex
	...

3. open Rmarkdown 
---
title: "Untitled"
author: "BruceZhao"
date: "2015Äê10ÔÂ12ÈÕ"
output: 
  beamer_presentation: 
    keep_tex: yes
    pandoc_args: "--latex-engine=xelatex"
    template: beamer_default.tex
---
4. Ctrl + Shift + K (knit PDF) 

5. See what generated