diff --git a/README.md b/README.md
index 39c0e2d..3e4d8f5 100644
--- a/README.md
+++ b/README.md
@@ -1676,7 +1676,7 @@ typedef struct BiTNode
 [选择排序](Algorithm/SelectionSort.h) | O(n<sup>2</sup>)|O(n<sup>2</sup>)|O(1)|数组不稳定、链表稳定
 [插入排序](Algorithm/InsertSort.h) | O(n<sup>2</sup>)|O(n<sup>2</sup>)|O(1)|稳定
 [快速排序](Algorithm/QuickSort.h) | O(n*log<sub>2</sub>n) |  O(n<sup>2</sup>) | O(log<sub>2</sub>n) | 不稳定
-[堆排序](Algorithm/HeapSort.cpp) | O(n*log<sub>2</sub>n)|O(n<sup>2</sup>)|O(1)|不稳定
+[堆排序](Algorithm/HeapSort.cpp) | O(n*log<sub>2</sub>n)|O(n*log<sub>2</sub>n)|O(1)|不稳定
 [归并排序](Algorithm/MergeSort.h) | O(n*log<sub>2</sub>n) | O(n*log<sub>2</sub>n)|O(n)|稳定
 [希尔排序](Algorithm/ShellSort.h) | O(n*log<sup>2</sup>n)|O(n<sup>2</sup>)|O(1)|不稳定
 [计数排序](Algorithm/CountSort.cpp) | O(n+m)|O(n+m)|O(n+m)|稳定