diff --git a/notes/JVM.md b/notes/JVM.md
index 9535c32a..a49135b3 100644
--- a/notes/JVM.md
+++ b/notes/JVM.md
@@ -689,5 +689,3 @@ protected synchronized Class<?> loadClass(String name, boolean resolve) throws C
 ```java
 java -Xmx12m -Xms3m -Xmn1m -XX:PermSize=20m -XX:MaxPermSize=20m -XX:+UseSerialGC -jar java-application.jar
 ```
-
-
diff --git a/notes/正则表达式.md b/notes/正则表达式.md
index 42d967a3..741fb9a7 100644
--- a/notes/正则表达式.md
+++ b/notes/正则表达式.md
@@ -240,8 +240,8 @@ a.+c
 
 **匹配结果** 
 
-1. **1900
-2. 2010**
+1.  **1900** 
+2.  **2010** 
 3. 1020
 
 **应用** 
@@ -282,8 +282,8 @@ a.+c
 
 **匹配结果** 
 
-1. **&lt;h1>x&lt;/h1>
-2. &lt;h2>x&lt;/h2>**
+1.  **&lt;h1>x&lt;/h1>** 
+2.  **&lt;h2>x&lt;/h2>** 
 3. &lt;h3>x&lt;/h1>
 
 ## 替换