fix

x1aoda1 · web-flow · commit b2647cfb95cc · 2020-12-24T10:32:08.000+08:00
diff --git a/04-比较器、堆.md b/04-比较器、堆.md
@@ -15,14 +15,14 @@ A-->B
 A-->C
 ```
 2. 
-```
+<div class="mermaid">
 graph TD
 A-->B
 A-->C
 B-->D
 B-->E
 C-->F
-```
+</div>
 
 ### 1.1.2 数组实现堆
 
