diff --git a/php/10_heap/Heap.php b/php/10_heap/Heap.php
index 1289c61..7c3f3be 100644
--- a/php/10_heap/Heap.php
+++ b/php/10_heap/Heap.php
@@ -1,4 +1,11 @@
 <?php
+/**
+ * Created by PhpStorm.
+ * User: 764432054@qq.com
+ * Date: 2019/9/5
+ * Time: 9:01
+ * 堆的基本操作(大顶堆，小顶堆 几种堆化方式，堆排序，动态数据流查top k ,查中位数)
+ */
 namespace Algo_10;
 
 class Heap