diff --git a/styleguide.md b/styleguide.md
index b9e7a5c..4fa51cc 100644
--- a/styleguide.md
+++ b/styleguide.md
@@ -42,9 +42,9 @@
 - 代码的语言请用以下方式标注出来：
 
 ```
-	```c++
-	[code]
-	```
+```c++
+[code]
+```
 ```
 
 - 请记得翻译注释