diff --git a/notes/算法.md b/notes/算法.md
index fa740d34..a0995ebe 100644
--- a/notes/算法.md
+++ b/notes/算法.md
@@ -567,8 +567,6 @@ public class Shell {
归并方法将数组中两个已经排序的部分归并成一个。
-
-
```java
public class MergeSort {
private static Comparable[] aux;
@@ -592,6 +590,9 @@ public class MergeSort {
### 2. 自顶向下归并排序
+
+
+
```java
public static void sort(Comparable[] a) {
aux = new Comparable[a.length];
