diff --git a/components/sections/preface/content.zh-CN.md b/components/sections/preface/content.zh-CN.md
index 8e18b1ac..5315ccbb 100644
--- a/components/sections/preface/content.zh-CN.md
+++ b/components/sections/preface/content.zh-CN.md
@@ -9,7 +9,7 @@
 
 那么，要是你自己想编程实现它们呢？有哪些陷阱？你怎么画它们？包围盒是怎么样的，怎么确定交点，怎么拉伸曲线，简单来说：你怎么对曲线做一切你想做的事？这就是这篇文章想说的。准备好学习一些数学吧!
 
-—Pomax ( 推特账号, [@TheRealPomax](https://twitter.com/TheRealPomax) )
+—Pomax (推特账号, [@TheRealPomax](https://twitter.com/TheRealPomax))
 
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