diff --git a/docs/java/jvm/Java内存区域.md b/docs/java/jvm/Java内存区域.md
index 01e49843..10d15a6f 100644
--- a/docs/java/jvm/Java内存区域.md
+++ b/docs/java/jvm/Java内存区域.md
@@ -411,7 +411,7 @@ private static class CharacterCache {
 }
 ```
 
-两种浮点数类型的包装类 Float,Double 并没有实现常量池技术。**
+两种浮点数类型的包装类 Float,Double 并没有实现常量池技术。
 
 ```java
 		Integer i1 = 33;