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diff --git a/docs/source/whitepaper/corda-introductory-whitepaper_zhs.tex b/docs/source/whitepaper/corda-introductory-whitepaper_zhs.tex
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--- a/docs/source/whitepaper/corda-introductory-whitepaper_zhs.tex
+++ b/docs/source/whitepaper/corda-introductory-whitepaper_zhs.tex
@@ -1,7 +1,5 @@
-\documentclass{article}
+\documentclass{article}
 \usepackage{xeCJK}
-\setCJKmainfont{MS Mincho} % for \rmfamily
-\setCJKsansfont{MS Mincho} % for \sffamily
 \author{Richard Gendal Brown, James Carlyle, Ian Grigg, Mike Hearn}
 \date{2016年8月}
 \title{Corda分布式账本平台：简介}