diff --git a/Software/Applications/VSCode/VSCode_Markdown_UML.md b/Software/Applications/VSCode/VSCode_Markdown_UML.md
index 541d678..9a5b30f 100644
--- a/Software/Applications/VSCode/VSCode_Markdown_UML.md
+++ b/Software/Applications/VSCode/VSCode_Markdown_UML.md
@@ -200,7 +200,7 @@ Animal..>Food
 ## 5.Mermaid 横向流程图
 
 ```mermaid
-graph LR
+flowchart LR
 A[方形] --> B(圆角)
 B --> C{条件a}
 C --> |a=1| D[结果1]
@@ -211,12 +211,15 @@ F[横向流程图]
 ## 6.Mermaid 纵向流程图
 
 ```mermaid
-graph TD
+flowchart TD
 A[方形] --> B(圆角)
 B --> C{条件a}
 C --> D[结果1]
 C --> E[结果2]
-F[竖向流程图]
+subgraph F[F]
+  direction TB
+  G[纵向流程图]
+end
 ```
 
 ## 7.Mermaid 时序图
@@ -234,3 +237,7 @@ John-->Alice:Great!
 John->Bob: How about you?
 Bob-->John: Jolly good!
 ```
+
+## 8.外部参考资料
+
+1. [About Mermaid](https://mermaid-js.github.io/mermaid/#/)